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Well Rehabilitation Solutions 
Presentation 
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Areas of Specialty 
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 Iron Oxides 
 Carbonates & Scales 
 Manganese 
 Iron Related Bacteria 
 Sulphur Reducing & 
Oxidising Bacteria
Applications 
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 Potable Water Wells 
 Pipelines 
 Geothermal Open Loop 
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Systems 
 Irrigation 
 Construction Dewatering 
 Remediation 
 Hydraulic Barrier’s 
“It’s an engineering problem !“ 
“Get the treatment to where the problem is and it will solve it.”
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Targeting 
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 Biofouling 
 Iron Oxide 
 Iron Bacteria 
 Iron Reducing Bacteria 
 Iron Algae 
 Iron Related Bacteria 
 Iron Oxide Clogging
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When you pull a pump, send a camera down… 
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R-CAM 1000 Downhole Camera 
Video Monitor 
7” LCD colour monitor 
with sun shield 
Depth Counter 
Digital on-screen depth counter 
to tenths of feet or meters 
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10’ surplus Cable 
Allows remote viewing 
in extreme weather 
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Transport cart 
Custom 2 - wheeled unit 
for ultimate mobility 
Powered reel 
Adjustable speed powered winch 
with 300 m (1,000 ft.) of Kevlar 
reinforced coaxial cable 
Portable Camera Control Unit 
Compact package with hard case and 
locking mechanism for the monitor and 
all control functions 
Digital Video Recorder 
12v recorder to document the 
survey 
Portable Power Supply 
12v Battery with charger 
and digital volt meter 
Note: Tri-lights not included in standard package. 
High Intensity Lighting/Dual Camera System 
50 super bright, water-clear LEDs allows high 
resolution photos in wells up to 50cm in diameter 
Dual wide angle cameras, one down view, one side 
view, with remote switching and continuous 3600 
rotation
Vision can be a great tool ! 
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Full Rig Clean Method Summary 
Pull up the pump – Take some samples from the pump or rising 
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main if you can.
Do a Quick Test… 
Ultra C with Iron Oxide IKL Pro with Iron Oxide 
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Borehole Treatment 
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using
Pump test 
‘A Benchmark’ 
Camera Survey 
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Cable rig 
Cable rig tool 
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Cleaning Rigs 
Brush & Surge Set 
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Brushes 
BoreSaver Added 
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Purging 
Final Camera Survey 
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Other Treatment Methods 
• Pump in well 
• Airlift or Any Re-development technique 
• Other form of agitation 
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Chemical Selection 
So how do we select the Right Chemical? 
 Typically, no single chemical type will address all encrustation and bio 
fouling removal, suspension, dispersal, and repression needs. 
 Blended method treatments permit more effective removal of multiple 
problems, or treat a single difficult problem more effectively (Smith, 
1995; Alford and Cullimore, 1999). 
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(Smith, 1995; Alford and 
Cullimore, 1999) 
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Approvals 
For all products 
A. England - Regulation 31 of The Water Supply (Water Quality) Regulations 2000 (Statutory 
Instruments 2000 No 3184) – http://www.dwi.gov.uk/stakeholders/regulations/ws_wqregs2000.pdf 
B. Wales – Regulation 31 of The Water Supply (Water Quality) Regulations 2001 (Welsh Statutory 
Instrument 2001 No 3911 (W.323) – http://www.opsi.gov.uk/legislation/wales/wsi2001/20013911.htm 
C. Scotland – Regulation 27 of The Water Supply (Water Quality) (Scotland) Regulations 2001 – 
D. Northern Ireland – Regulation 30 of The Water Supply (Water Quality) (Amendment) Regulations) 
(Northern Ireland) 2009 (Statutory Rules of Northern Ireland 2009 No.246) – 
http://www.opsi.gov.uk/sr/sr2009/nisr_20090246_en_1 
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E. US - NSF International for BoreSaver Ultra C
Iron Oxide Dissolved (averaged) 
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Compare 
120% 
100% 
80% 
60% 
40% 
20% 
0% 
BoreSaver Ultra 
C 
Sulphuric acid Hydrochloric acid Glycolic acid
Iron Oxide Dissolved (averaged) 
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120% 
100% 
80% 
60% 
40% 
20% 
0% 
BoreSaver Ultra C citric acid sulfamic acid hydrochloric acid
Water Test Comparison 
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Hydrochloric Acid 
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 Owner: Local Government Body 
 Client: Water Bore Redevelopers 
 Product: BoreSaver Ultra C 
 Well: Fibreglass 90 ‘ deep 
 Date: 2007
Local Government Reserve 
Chemical Comparison SC Results 
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360.00 
340.00 
320.00 
300.00 
280.00 
260.00 
240.00 
220.00 
200.00 
Untreated HCl & Surge PTS
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Chlorination 
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Chlorine is a fantastic tool for disinfecting wells with 
coliforms and other assorted nasty's. 
For removing organic iron clogging it is useless. 
Iron Oxide is already oxidized 
Why, because chlorine is an oxidizing agent 
The iron oxide is already oxidized, so what's the point 
of pouring chlorine down the hole to remove the iron 
oxide? 
Yes it will kill some bugs but its well recognized that 
iron bacteria are highly resistant to chlorinating 
solutions.
Testing as well as client feedback suggests products which are predominantly 
glycolic acid suffers from a serious lack of power and performance … 
So lets have a look at a range of recent field experiences with glycolic acid and 
BoreSaver. 
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Glycolic Acid 
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Coal Mine Comparisons 
Proprietary Glycolic Blend BoreSaver Ultra C 
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Coal Mine Comparisons 
Proprietary Glycolic Blend BoreSaver Ultra C 
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Coal Mine Comparisons 
Proprietary Glycolic Blend BoreSaver Ultra C 
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AUS Government 
Research Facility 
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Well details; 
 367 feet deep 
 16 inch diameter 
 Hardness 500 ppm
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Comparisons 
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10 
8 
6 
4 
2 
0 
12 
Traditional 
Improved 
mega liters/day 
Glycolic vs Ultra C 
64% Improvement
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Deer Park Ranch 
Iron-Related Bacteria on last year’s pump is left to fester and rust near the well. 
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Pump Cycle Clean Method 
Disconnect the 
pump outlet pipe. 
Add the cleaning 
product to the well. 
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Run the pump 
between 4 & 8 hours. 
Ultra C is working 
when water turns 
GREEN. 
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Next day pump 
and reconnect 
outlet pipe. 
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Pre-treatment 11-2-2011 
The pump and cable with the slimy IRB on them. 
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BoreSaver Post Treatment 
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16-2-2011 
We moved the black tape above to show the color of the pipes when they 
went in the hole. The picture on the right shows what the pump looked like 
when it came out.
This is what the pump looks like at 
the four hour recycle test, almost all 
the iron in the impellers has been 
removed but its not until you hit the 
8 hour mark that you start to get 
more complete results. 
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Each well is surveyed 
at the start. 
Each well is removed 
and cleaned. 
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Yield Comparison Actual vs Target - South 2008 
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120,000 
100,000 
80,000 
60,000 
40,000 
20,000 
0 
Expected Yield (m3) 2008 Yield (m3)
Cooljarloo Production Well Report 
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South well field 
2008 
Pump Number 
Target 
Flow (L/s) 
Avg 
Weekly 
Flow (L/s) 
Variation 
(L/s) 
Expected 
Yield (m3) 
Actual Yield 
(m3) 
Yield 
Change 
(m3) 
Flow 
Variation 
(%) 
CPB 01 21.5 18.8 -3 13,003 11364 -1,639 -13% 
CPB 27 11 9.9 -1 6,653 6012 -641 -10% 
CPB 29 11 6.2 -5 6,653 3754 -2,899 -44% 
CPB 33 10.5 6.5 -4 6,350 3956 -2,394 -38% 
CPB 34 8.7 4.1 -5 5,262 2458 -2,804 -53% 
CPB 37 14.3 9.1 -5 8,649 5492 -3,157 -36% 
CPB 38 11.5 7.3 -4 6,955 4397 -2,558 -37% 
CPB 39 25 22.9 -2 15,120 13830 -1,290 -9% 
CPB 40 21.8 16.6 -5 13,185 10030 -3,155 -24% 
CPB 41 21.7 33.1 11 13,124 20037 6,913 53% 
CPB 42 5.5 6.6 1 3,326 3970 644 19% 
CPB 43 24.7 0.0 -25 14,939 0 -14,939 -100% 
Totals 187 141 -46 113,219 85,300 -27,919 -25%
geoquip water solutions limited 
Cooljarloo Production Well Report 
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SOUTH Well Field 
2008 2011 
Pump 
Number 
Target 
Flow 
(L/s) 
Flow 
L/s 
Variatio 
n 
(L/s) 
Expecte 
d Yield 
(m3) 
2008 
Yield 
(m3) 
Yield 
Chang 
e (m3) 
Yield 
Variatio 
n (%) 
Plann 
ed 
Flow 
(L/s) 
Flow 
L/s 
Variatio 
n (L/s) 
Yield 
(m3) 
Yield +/- Discharge point 
CPB 01 21.5 18.8 -3 13,003 11364 -1,639 -13% 21.5 18.6 -2.9 7557 -3807 
GR5H 
/Concentrator 
CPB 27 11 9.9 -1 6,653 6012 -641 -10% 8 8.6 0.6 4691 -1321 
south mine transfer 
tank 
CPB 29 11 6.2 -5 6,653 3754 -2,899 -44% 11 17.1 6.1 9015 5261 
south mine transfer 
tank 
CPB 33 10.5 6.5 -4 6,350 3956 -2,394 -38% 10.5 18.7 8.2 13756 9800 Dredge Pond 
CPB 34 8.7 4.1 -5 5,262 2458 -2,804 -53% 8.7 13.3 4.6 3651 1193 Concentrator 
GR5H / 
CPB 37 14.3 9.1 -5 8,649 5492 -3,157 -36% 14.3 20.7 6.4 10512 5020 
Concentrator 
CPB 38 11.5 7.3 -4 6,955 4397 -2,558 -37% 11.5 13.4 1.9 7965 3568 
GR5H / 
Concentrator 
CPB 39 25 22.9 -2 15,120 13830 -1,290 -9% 25 28 3.0 11999 -1831 
GR5H / 
Concentrator 
CPB 40 21.8 16.6 -5 13,185 10030 -3,155 -24% 21.8 17.3 -4.5 9658 -372 
south mine transfer 
tank 
CPB 41 21.7 33.1 11 13,124 20037 6,913 53% 21.7 31.06 9.4 14572 -5465 
south mine transfer 
tank 
CPB 42 5.5 6.6 1 3,326 3970 644 19% 5.5 10.7 5.2 6203 2233 
GR5H / 
Concentrator 
CPB 43 24.7 0.0 -25 14,939 0 -14,939 -100% 0 0 0.0 0 0 
south mine transfer 
tank 
Totals 187 141 -46 113,219 85,300 -27,919 -25% 160 197 38 99579 14279
2008 -2011 Yield Comparison - South 
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100,000 
95,000 
90,000 
85,000 
80,000 
75,000 
2008 2011
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North Well Field 
2008 2011 
Pump Number 
Targe 
t Flow 
(L/s) 
Calc 
Avg 
Weekly 
Flow 
(L/s) 
Variat 
ion 
(L/s) 
Expecte 
d Yield 
(m3) 
Actual 
Yield 
(m3) 
Yield 
Change 
(m3) 
Flow 
variation 
Calc 
Avg 
Weekly 
Flow 
(L/s) 
7 day 
yield 
(m3) 
yield 
comparison 
Flow 
Variation 
Discharge 
point 
COMMENTS 
CPB 15 0 0.0 0 0 0 0 0% 0.0 0 0 0% 
North mine 
bore tank 
Off for 
environmenta 
l reasons 
CPB 30 0 0.0 0 0 0 0 0% 3.1 1882 1882 0% 
North mine 
bore tank 
CPB 31 0 0.0 0 0 0 0 0% 0.0 0 0 0% 
North mine 
bore tank 
Off for 
environmenta 
l reasons 
CPB 32 5 7.9 3 3,024 4807 1,783 59% 0.0 1323 -3484 28% 
Concentrato 
r 
North mine 
not using it 
CPB 35 10 13.8 4 6,048 8351 2,303 38% 15.9 9601 1250 115% 
North mine 
bore tank 
CPB 36 20 16.6 -3 12,096 10065 -2,031 -17% 0.0 5477 -4588 54% 
North mine 
bore tank 
intermittent 
use only 
CPB 44 26.4 0.0 -26 15,967 28 -15,939 -100% 0.0 14486 14458 51737% 
North mine 
bore tank 
intermittent 
use only 
CPB 45 7.5 6.5 -1 4,536 3958 -578 -13% 8.6 5205 1247 131% 
North mine 
bore tank 
CPB 46 13 0.0 -13 7,862 0 -7,862 -100% 0.0 0 0 0% 
North mine 
bore tank 
Off for 
environmenta 
l reasons 
Totals 82 45 -37 49,533 27,209 -22,324 -45% 28 37974 10765 140%
North Well Field Comparison m3/week 
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40,000 
35,000 
30,000 
25,000 
20,000 
15,000 
10,000 
5,000 
0 
2008 2011
Ultimate Iron 
geoquip water solutions limited 
Oxide 
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Water Corporation M 570 
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Clogged Gravel Pack 
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Cleaned Gravel Pack 
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Water Corporation M 570 
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250 
200 
150 
100 
50 
0 
300 
Untreated 
Phase 2 
Phase 4 
59 
183 
218 
252 
282
Water Corporation M 570 
378% Increase 
in Specific Capacity 
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(SC)
How Long? 
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400.00 
350.00 
300.00 
250.00 
200.00 
150.00 
100.00 
50.00 
0.00 
G150 2008 
Specific Capacity 2008
geoquip water solutions limited 
((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 
*(EMAIL) info@geoquipservices.co.uk 
8(WEBSITE) www.geoquipwatersolutions.com 
350.00 
300.00 
250.00 
200.00 
150.00 
100.00 
50.00 
0.00 
Untreated 
PTS 1 
PTS 2 
PTS 3 
G150 2009
geoquip water solutions limited 
((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 
*(EMAIL) info@geoquipservices.co.uk 
8(WEBSITE) www.geoquipwatersolutions.com 
400.00 
350.00 
300.00 
250.00 
200.00 
150.00 
100.00 
50.00 
0.00 
Untreated PTS 1 PTS 2 PTS 3 
Specific Capacity 2008 
Specific Capacity 2009
geoquip water solutions limited 
Oxide On Pump 
((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 
*(EMAIL) info@geoquipservices.co.uk 
8(WEBSITE) www.geoquipwatersolutions.com 
30 
25 
20 
15 
10 
5 
0 
Std. rehab. 1008 hrs PTS rehab. 4032 hours 
mm oxide
G150 Service Interval 
geoquip water solutions limited 
((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 
*(EMAIL) info@geoquipservices.co.uk 
8(WEBSITE) www.geoquipwatersolutions.com 
4500 
4000 
3500 
3000 
2500 
2000 
1500 
1000 
500 
0 
Std. rehabilitation PTS rehabilitation 
Std. rehabilitation 
PTS rehabilitation
Conclusion 
geoquip water solutions limited 
((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 
*(EMAIL) info@geoquipservices.co.uk 
8(WEBSITE) www.geoquipwatersolutions.com 
• More Water 
• Lower Maintenance Costs 
• Maximise Time Between Cleans 
• Proactive not Reactive 
The right chemistry with the right 
methods give spectacular results!
Visit our BoreSaver International site 
www.wellrehabilitationsolutions.com 
geoquip water solutions limited 
((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 
*(EMAIL) info@geoquipservices.co.uk 
8(WEBSITE) www.geoquipwatersolutions.com
Thank you 
geoquip water solutions limited 
((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 
*(EMAIL) info@geoquipservices.co.uk 
8(WEBSITE) www.geoquipwatersolutions.com

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Well Rehabilitation Solutions Presentation - Geoquip Water Solutions Ltd

  • 1. Well Rehabilitation Solutions Presentation geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 2. Areas of Specialty geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com  Iron Oxides  Carbonates & Scales  Manganese  Iron Related Bacteria  Sulphur Reducing & Oxidising Bacteria
  • 3. Applications geoquip water solutions limited  Potable Water Wells  Pipelines  Geothermal Open Loop ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com Systems  Irrigation  Construction Dewatering  Remediation  Hydraulic Barrier’s “It’s an engineering problem !“ “Get the treatment to where the problem is and it will solve it.”
  • 4. geoquip water solutions limited Targeting ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com  Biofouling  Iron Oxide  Iron Bacteria  Iron Reducing Bacteria  Iron Algae  Iron Related Bacteria  Iron Oxide Clogging
  • 5. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 6. When you pull a pump, send a camera down… geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 7. R-CAM 1000 Downhole Camera Video Monitor 7” LCD colour monitor with sun shield Depth Counter Digital on-screen depth counter to tenths of feet or meters geoquip water solutions limited 10’ surplus Cable Allows remote viewing in extreme weather ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com Transport cart Custom 2 - wheeled unit for ultimate mobility Powered reel Adjustable speed powered winch with 300 m (1,000 ft.) of Kevlar reinforced coaxial cable Portable Camera Control Unit Compact package with hard case and locking mechanism for the monitor and all control functions Digital Video Recorder 12v recorder to document the survey Portable Power Supply 12v Battery with charger and digital volt meter Note: Tri-lights not included in standard package. High Intensity Lighting/Dual Camera System 50 super bright, water-clear LEDs allows high resolution photos in wells up to 50cm in diameter Dual wide angle cameras, one down view, one side view, with remote switching and continuous 3600 rotation
  • 8. Vision can be a great tool ! geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 9. Full Rig Clean Method Summary Pull up the pump – Take some samples from the pump or rising geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com main if you can.
  • 10. Do a Quick Test… Ultra C with Iron Oxide IKL Pro with Iron Oxide geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 11. Borehole Treatment geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com using
  • 12. Pump test ‘A Benchmark’ Camera Survey geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 13. Cable rig Cable rig tool geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 14. Cleaning Rigs Brush & Surge Set geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 15. Brushes BoreSaver Added geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 16. Purging Final Camera Survey geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 17. Other Treatment Methods • Pump in well • Airlift or Any Re-development technique • Other form of agitation geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 18. Chemical Selection So how do we select the Right Chemical?  Typically, no single chemical type will address all encrustation and bio fouling removal, suspension, dispersal, and repression needs.  Blended method treatments permit more effective removal of multiple problems, or treat a single difficult problem more effectively (Smith, 1995; Alford and Cullimore, 1999). geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 19. (Smith, 1995; Alford and Cullimore, 1999) geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 20. Approvals For all products A. England - Regulation 31 of The Water Supply (Water Quality) Regulations 2000 (Statutory Instruments 2000 No 3184) – http://www.dwi.gov.uk/stakeholders/regulations/ws_wqregs2000.pdf B. Wales – Regulation 31 of The Water Supply (Water Quality) Regulations 2001 (Welsh Statutory Instrument 2001 No 3911 (W.323) – http://www.opsi.gov.uk/legislation/wales/wsi2001/20013911.htm C. Scotland – Regulation 27 of The Water Supply (Water Quality) (Scotland) Regulations 2001 – D. Northern Ireland – Regulation 30 of The Water Supply (Water Quality) (Amendment) Regulations) (Northern Ireland) 2009 (Statutory Rules of Northern Ireland 2009 No.246) – http://www.opsi.gov.uk/sr/sr2009/nisr_20090246_en_1 geoquip water solutions limited http://www.opsi.gov.uk/legislation/scotland/ssi2001/20010207.htm ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com E. US - NSF International for BoreSaver Ultra C
  • 21. Iron Oxide Dissolved (averaged) geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com Compare 120% 100% 80% 60% 40% 20% 0% BoreSaver Ultra C Sulphuric acid Hydrochloric acid Glycolic acid
  • 22. Iron Oxide Dissolved (averaged) geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 120% 100% 80% 60% 40% 20% 0% BoreSaver Ultra C citric acid sulfamic acid hydrochloric acid
  • 23. Water Test Comparison geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 24. Hydrochloric Acid geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com  Owner: Local Government Body  Client: Water Bore Redevelopers  Product: BoreSaver Ultra C  Well: Fibreglass 90 ‘ deep  Date: 2007
  • 25. Local Government Reserve Chemical Comparison SC Results geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 360.00 340.00 320.00 300.00 280.00 260.00 240.00 220.00 200.00 Untreated HCl & Surge PTS
  • 26. geoquip water solutions limited Chlorination ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com Chlorine is a fantastic tool for disinfecting wells with coliforms and other assorted nasty's. For removing organic iron clogging it is useless. Iron Oxide is already oxidized Why, because chlorine is an oxidizing agent The iron oxide is already oxidized, so what's the point of pouring chlorine down the hole to remove the iron oxide? Yes it will kill some bugs but its well recognized that iron bacteria are highly resistant to chlorinating solutions.
  • 27. Testing as well as client feedback suggests products which are predominantly glycolic acid suffers from a serious lack of power and performance … So lets have a look at a range of recent field experiences with glycolic acid and BoreSaver. geoquip water solutions limited Glycolic Acid ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 28. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 29. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 30. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 31. Coal Mine Comparisons Proprietary Glycolic Blend BoreSaver Ultra C geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 32. Coal Mine Comparisons Proprietary Glycolic Blend BoreSaver Ultra C geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 33. Coal Mine Comparisons Proprietary Glycolic Blend BoreSaver Ultra C geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 34. AUS Government Research Facility geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com Well details;  367 feet deep  16 inch diameter  Hardness 500 ppm
  • 35. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 36. geoquip water solutions limited Comparisons ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 10 8 6 4 2 0 12 Traditional Improved mega liters/day Glycolic vs Ultra C 64% Improvement
  • 37. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 38. Deer Park Ranch Iron-Related Bacteria on last year’s pump is left to fester and rust near the well. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 39. Pump Cycle Clean Method Disconnect the pump outlet pipe. Add the cleaning product to the well. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 40. Run the pump between 4 & 8 hours. Ultra C is working when water turns GREEN. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 41. Next day pump and reconnect outlet pipe. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 42. Pre-treatment 11-2-2011 The pump and cable with the slimy IRB on them. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 43. BoreSaver Post Treatment geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 16-2-2011 We moved the black tape above to show the color of the pipes when they went in the hole. The picture on the right shows what the pump looked like when it came out.
  • 44. This is what the pump looks like at the four hour recycle test, almost all the iron in the impellers has been removed but its not until you hit the 8 hour mark that you start to get more complete results. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 45. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 46. Each well is surveyed at the start. Each well is removed and cleaned. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 47. Yield Comparison Actual vs Target - South 2008 geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 120,000 100,000 80,000 60,000 40,000 20,000 0 Expected Yield (m3) 2008 Yield (m3)
  • 48. Cooljarloo Production Well Report geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com South well field 2008 Pump Number Target Flow (L/s) Avg Weekly Flow (L/s) Variation (L/s) Expected Yield (m3) Actual Yield (m3) Yield Change (m3) Flow Variation (%) CPB 01 21.5 18.8 -3 13,003 11364 -1,639 -13% CPB 27 11 9.9 -1 6,653 6012 -641 -10% CPB 29 11 6.2 -5 6,653 3754 -2,899 -44% CPB 33 10.5 6.5 -4 6,350 3956 -2,394 -38% CPB 34 8.7 4.1 -5 5,262 2458 -2,804 -53% CPB 37 14.3 9.1 -5 8,649 5492 -3,157 -36% CPB 38 11.5 7.3 -4 6,955 4397 -2,558 -37% CPB 39 25 22.9 -2 15,120 13830 -1,290 -9% CPB 40 21.8 16.6 -5 13,185 10030 -3,155 -24% CPB 41 21.7 33.1 11 13,124 20037 6,913 53% CPB 42 5.5 6.6 1 3,326 3970 644 19% CPB 43 24.7 0.0 -25 14,939 0 -14,939 -100% Totals 187 141 -46 113,219 85,300 -27,919 -25%
  • 49. geoquip water solutions limited Cooljarloo Production Well Report ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com SOUTH Well Field 2008 2011 Pump Number Target Flow (L/s) Flow L/s Variatio n (L/s) Expecte d Yield (m3) 2008 Yield (m3) Yield Chang e (m3) Yield Variatio n (%) Plann ed Flow (L/s) Flow L/s Variatio n (L/s) Yield (m3) Yield +/- Discharge point CPB 01 21.5 18.8 -3 13,003 11364 -1,639 -13% 21.5 18.6 -2.9 7557 -3807 GR5H /Concentrator CPB 27 11 9.9 -1 6,653 6012 -641 -10% 8 8.6 0.6 4691 -1321 south mine transfer tank CPB 29 11 6.2 -5 6,653 3754 -2,899 -44% 11 17.1 6.1 9015 5261 south mine transfer tank CPB 33 10.5 6.5 -4 6,350 3956 -2,394 -38% 10.5 18.7 8.2 13756 9800 Dredge Pond CPB 34 8.7 4.1 -5 5,262 2458 -2,804 -53% 8.7 13.3 4.6 3651 1193 Concentrator GR5H / CPB 37 14.3 9.1 -5 8,649 5492 -3,157 -36% 14.3 20.7 6.4 10512 5020 Concentrator CPB 38 11.5 7.3 -4 6,955 4397 -2,558 -37% 11.5 13.4 1.9 7965 3568 GR5H / Concentrator CPB 39 25 22.9 -2 15,120 13830 -1,290 -9% 25 28 3.0 11999 -1831 GR5H / Concentrator CPB 40 21.8 16.6 -5 13,185 10030 -3,155 -24% 21.8 17.3 -4.5 9658 -372 south mine transfer tank CPB 41 21.7 33.1 11 13,124 20037 6,913 53% 21.7 31.06 9.4 14572 -5465 south mine transfer tank CPB 42 5.5 6.6 1 3,326 3970 644 19% 5.5 10.7 5.2 6203 2233 GR5H / Concentrator CPB 43 24.7 0.0 -25 14,939 0 -14,939 -100% 0 0 0.0 0 0 south mine transfer tank Totals 187 141 -46 113,219 85,300 -27,919 -25% 160 197 38 99579 14279
  • 50. 2008 -2011 Yield Comparison - South geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 100,000 95,000 90,000 85,000 80,000 75,000 2008 2011
  • 51. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com North Well Field 2008 2011 Pump Number Targe t Flow (L/s) Calc Avg Weekly Flow (L/s) Variat ion (L/s) Expecte d Yield (m3) Actual Yield (m3) Yield Change (m3) Flow variation Calc Avg Weekly Flow (L/s) 7 day yield (m3) yield comparison Flow Variation Discharge point COMMENTS CPB 15 0 0.0 0 0 0 0 0% 0.0 0 0 0% North mine bore tank Off for environmenta l reasons CPB 30 0 0.0 0 0 0 0 0% 3.1 1882 1882 0% North mine bore tank CPB 31 0 0.0 0 0 0 0 0% 0.0 0 0 0% North mine bore tank Off for environmenta l reasons CPB 32 5 7.9 3 3,024 4807 1,783 59% 0.0 1323 -3484 28% Concentrato r North mine not using it CPB 35 10 13.8 4 6,048 8351 2,303 38% 15.9 9601 1250 115% North mine bore tank CPB 36 20 16.6 -3 12,096 10065 -2,031 -17% 0.0 5477 -4588 54% North mine bore tank intermittent use only CPB 44 26.4 0.0 -26 15,967 28 -15,939 -100% 0.0 14486 14458 51737% North mine bore tank intermittent use only CPB 45 7.5 6.5 -1 4,536 3958 -578 -13% 8.6 5205 1247 131% North mine bore tank CPB 46 13 0.0 -13 7,862 0 -7,862 -100% 0.0 0 0 0% North mine bore tank Off for environmenta l reasons Totals 82 45 -37 49,533 27,209 -22,324 -45% 28 37974 10765 140%
  • 52. North Well Field Comparison m3/week geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 40,000 35,000 30,000 25,000 20,000 15,000 10,000 5,000 0 2008 2011
  • 53. Ultimate Iron geoquip water solutions limited Oxide ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 54. Water Corporation M 570 geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 55. Clogged Gravel Pack geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 56. Cleaned Gravel Pack geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 57. Water Corporation M 570 geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 250 200 150 100 50 0 300 Untreated Phase 2 Phase 4 59 183 218 252 282
  • 58. Water Corporation M 570 378% Increase in Specific Capacity geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com (SC)
  • 59. How Long? geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 60. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 400.00 350.00 300.00 250.00 200.00 150.00 100.00 50.00 0.00 G150 2008 Specific Capacity 2008
  • 61. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 350.00 300.00 250.00 200.00 150.00 100.00 50.00 0.00 Untreated PTS 1 PTS 2 PTS 3 G150 2009
  • 62. geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 400.00 350.00 300.00 250.00 200.00 150.00 100.00 50.00 0.00 Untreated PTS 1 PTS 2 PTS 3 Specific Capacity 2008 Specific Capacity 2009
  • 63. geoquip water solutions limited Oxide On Pump ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 30 25 20 15 10 5 0 Std. rehab. 1008 hrs PTS rehab. 4032 hours mm oxide
  • 64. G150 Service Interval geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com 4500 4000 3500 3000 2500 2000 1500 1000 500 0 Std. rehabilitation PTS rehabilitation Std. rehabilitation PTS rehabilitation
  • 65. Conclusion geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com • More Water • Lower Maintenance Costs • Maximise Time Between Cleans • Proactive not Reactive The right chemistry with the right methods give spectacular results!
  • 66. Visit our BoreSaver International site www.wellrehabilitationsolutions.com geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com
  • 67. Thank you geoquip water solutions limited ((Tel) +44(0)1473 462046 ((Fax) +44(0)1473 462146 *(EMAIL) info@geoquipservices.co.uk 8(WEBSITE) www.geoquipwatersolutions.com

Editor's Notes

  1. Its known by a lot of different names but the impact is both complex and widespread. Details on the bacterial groups and the processes of the oxide formation are widely available online, or we have further information available.
  2. FOCUS: We only care about removing the clogging in a fast efficient manner and then delaying its return for as long as possible. General examples can be seen here. Take residue samples when you have the opportunity – for bucket testing.
  3. As well as looking at pump and pipe samples, it is also VERY useful to send a camera down the well and take a look.
  4. Allows us to see whats down there and target the treatment – ‘Three blind mice’ We can also see what progress we are making if we are using more than one cleaning phase. Sites conditions and access vary considerably so a highly portable system is going to be desirable for most operators
  5. Vision can be a great tool Classic organic iron oxides A nice floaty here we can see one of the inflow fissures in a sandstone formation clogged with oxide. So now we have SEEN what we need to fix, lets take a quick look at the chemical selection proccess
  6. The most successful method we have found is the Brush & Surge with a full rig unit Alternative methods are available such as airlifting, pump in well treatment, surge block. These can affect the quality of the final treatment and quantity of material required. Sometimes there is no choice however.
  7. Take a sample - do a quick test – check that the selected chemical is the right one. Mixing a small amount with ultra c and another with IKL Pro usually gives us a quick idea of what we are facing. We don't use Ultra C on calcium carbonates. Does the sample solution turn bright green, dark brown or fizz madly?
  8. Let’s look at the preferred treatment.
  9. Step 1: Do a pump test so we can chart the specific capacity. Sometimes you can just use the clients pump but we have a custom rig for when this isn’t available. Step 2: send the Laval camera down, the client gets a copy and we know what’s down there that needs treating
  10. Step 3: Put a small portable cable rig over the hole Step 4: Here we see the next stage on from a cable tool rig. Using a winch means we can get the chemical in the well and start brushing with only minutes of setup time. None of this cumbersome need to have a crew adding and subtracting drill pipe to clean the next section up or down. The reciprocation wheel on the cable gives us a cleaning stroke of 47 inch's and we will do each section for 10 minutes. Clearing the equipment from the well for a camera inspection is now a fast easy process.
  11. Step 5: These cleaning rigs can do any size well down to 1000m easily and quickly. As you can see there's not too much to it and they are very cheap to run. Step 6: After trialing many different systems and their variations we have found the fastest most consistent results are with a brush and surge set on a cable tool rig. We can use this setup at any depth, the brush's are not oversized and made of nylon. This means the bristles won’t get caught in the screen and cause damage.
  12. Step 7: The brushes freely rotate and are packed densely enough to create a gentle surging action immediately around the brush set. This action washes the treatment solution through the screen into the gravel pack allowing us to get every ounce of power out of the boresaver ultra c. Our focus here is gentle. Wells are so often in a delicate condition and being rough in cleaning can easily cause irreparable damage. Step 8: With the softer debris removed we then add the BoreSaver Ultra C and continue brushing
  13. Step 9: the next day we purge to a waste pit While purging we measure the specific capacity again and compare it to the original drilled as well as the before treatment numbers. Step 10: Another camera run and we are done.
  14. So how do we select the right chemical? Typically, no single chemical type will address all encrustation and biofouling removal, suspension, dispersal, and repression needs. Blended method treatments permit more effective removal of multiple problems, or treat a single difficult problem more effectively (Smith, 1995; Alford and Cullimore, 1999).
  15. This is particularly the case with iron biofouling and therefore influenced significantly the formulation and development of BoreSaver Ultra C. Experience in the real world has shown that common treatment chemicals such as glycolic and hydrochloric acid are not effective in cleaning screens and gravel pack areas when there are organic iron oxides present We don’t need just another box of the same old chemicals we need something that is specifically formulated for these organic iron oxides. Something that is powerful enough to clean the gravel pack as well as the screen.
  16. government approvals from around the world so we don’t get stuck at the border.
  17. So why did we choose this organic acid to build our product blend and framework on? lets look at some direct comparisons with the common well cleaning chemicals around the world. This is from our own research as well as the work of researchers, preeminent in their respective fields. A whole lot of identical iron oxide samples were soaked in different acids. This is a 4 hour test. The Glycolic comparison is important because its one of the common well cleaning chemical, also hydrochloric never does very well.
  18. And the 7 hour test with a few others typically used acids.
  19. One of the reasons it works so well is because it removes iron related bacteria from the treatment zone. Here we see a water test before and after treatment. This helps explain why the well stays clean so much longer than with traditional treatments. A well just 65 feet away was sampled during treatment and for two week as after. No trace of the product was detected
  20. We were given the opportunity to do some side by side testing This well has a history of iron oxide clogging going back at least 12 years. Ten years ago an automated electrolysis device was installed in an attempt to stop iron oxide forming around the pump, the effect was short term and is considered a failure by the parties involved. Over the past 6 to 7 years, this local government well has seen regular rehabilitation with a surge block and hydrochloric acid. We were presented with the opportunity to do a camera run just before this years scheduled rehabilitation. After surging the well with HCL there was no detectable increase in specific capacity so the contractor was asked to try again and used air surging. Again there was no measurable improvement in the specific capacity.
  21. By testing the specific capacity at each treatment phase we are able to make direct comparisons between the Phased Treatment System (BoreSaver) and what is a standard industry rehabilitation strategy (hydrochloric acid and air surging). We gently surged 88lb of Ultra C in the screen for about 6 hours . The next day we purged and put the pump back in place. A pump test showed we had achieved a 28% recovery in specific capacity; a substantial increase considering there had been no recovery with the hydrochloric and air.
  22. Why, because chlorine is an oxidizing agent The iron oxide is already oxidized, so what's the point of pouring chlorine down the hole to remove the iron oxide? Yes it will kill some bugs but its well recognized that iron bacteria are highly resistant to chlorinating solutions. Combining physical methods with reducing agents i.e the appropriate acids will dissolve the clogging properly.
  23. This testing as well as client feedback suggests glycolic acid suffers from a serious lack of power and performance … So lets have a look at a range of recent field experiences with glycolic acid and BoreSaver. After that we will look at the favored methods we use to maximize the rehabilitation recovery yields.
  24. this is a week after being cleaned with almost a thousand gallons of glycolic acid The top 65 ‘ or so was quite clean and shiny but there had not been any increase in production.
  25. Sending the camera down and some simple testing showed why, the water is flowing in from much further down , between 260 and 360 ‘ mark. Here is a Laval side view at 300 feet and we can see the screen is almost completely blocked Observation and experience has shown that it is difficult to direct sufficient concentrations of liquid acids to the gravel pack to dissolve iron oxide blockages. Using a tremmie or pipe to pump the chemicals into the screen area helps but is decreasingly effective as well depths increases or where there are multiple screens.
  26. Same well same depth But after we had surged 90kg of Boresaver into the lower 50m of the screen The treatment solution was left it in place 24 hours before sending the camera down for a look. Looked good so the pump was reinstalled And we did a pump test
  27. So lets put the glycolic side by side. Same brush and surge method, same 2 day time frame same well. This is a coal mine 350 ‘ water supply well with slotted PCV screen.
  28. At 58m
  29. and again at 70m The client reported an increase in the pumping water level of almost 200 feet Despite many years of ordinary rehabilitation it wasn’t until they used BoreSaver that the well was properly cleaned.
  30. Here is a well at a large government agricultural research facility north of Sydney Australia They have used this well as a test bed to compare well rehabilitation chemicals and methods. Well Details: • 112m deep • 400mm diameter • Hardness 500 ppm
  31. This site had a history of production problems that had been previously addressed with a traditional mix of glycolic acid and cable tool agitation. Production had not been improved in the treatment just 6 weeks prior so the Phased Treatment System was selected to test for any further improvements.
  32. for the same drawdown we went from 7 to 11 mega litres per day. Doesn't look so much on a graph but That’s an extra 1 million gallons per day Given that the majority of the screens were already clean, we can reasonably explain the production increase of 64% as a result of the gravel pack being cleaned of blockages allowing greater water flows into the well.
  33. We know some sites just aren't suitable for a full rig clean. It might be cost, site access or a time factor. In that case folks will often choose the pump in recycle method
  34. The client had a long standing iron problem and they wanted to use the pump cycle method rather than surge and brush.
  35. Stage 1: With a pump in cycle clean we simply disconnect the pump outlet pipe. Stage 2: Add the product to the well
  36. Stage 4: Run the pump for between 4 and 8 hours making sure the pump doesn't’t run dry or over heat. Stage 5: You know the Ultra C is working when the water goes green
  37. Stage 5: The next day pump to waste and reconnect the outlet pipe.
  38. Here we did pull the pump just to take a look.
  39. This type of clean focuses on the pump and rising main and will have little if any cleaning action below the pump intakes. On smaller 4 to 6 inch wells that don’t run huge duty cycles this quick simple method gives good enough results provided its done every year or two.
  40. The shorter the time frame the less oxide is dissolved. This is what the pump looks like at the four hour recycle test, almost all the iron in the impellers has been removed but its not until you hit the 8 hour mark that you start to get more complete results.
  41. Lets take this opportunity to shift from the results of rehabilitating individual wells to doing whole well fields. over 100 miles from one end of the mine to the other. At Cooljarloo there are 24 wells supplying water for separation and processing, these wells cover two key groupings, North and South. Kevin Wintergreene from WBR WA was invited to access the wells and develop a management strategy so that costs could be contained and the required yields achieved. A team was sent to site with a cable driven brush and surge rig along with the cleaner of choice, BoreSaver Ultra C.
  42. The wells were surveyed at the start of the project to check the condition of the screens. Each well had the pump removed for inspection and service (where required) and the well fully cleaned out. Rehabilitation consisted of bailing the loose debris, adding Ultra C then brushing and surging for a day. The pump was then reinstalled and the well purged to waste.
  43. In 2008 actual yield fell 25% short of the required amount. And maintenance was being done on breakdown basis
  44. At the start of the project the wells were monitored for drawdown, flow amps etc. on a weekly basis. This, along with good historical records allowed rehabilitation engineers to target the worst performing wells and program in ongoing light rehabilitation on a planned rotation, before the pump failed.   As the crisis events stopped and flows increased, the monitoring was shifted to every 3 or 4 weeks giving us three years of comprehensive data across the well fields.
  45. A comparison of the well field performance between 2008 and 2011 has been completed and the benefits of an effective maintenance program have proven to be substantial.
  46. Three years on in 2011, we have 6 of the wells in the south well field only running part time, and we still have almost 4 million gallons extra By having 6 of the 12 wells running only part time, it is a simple matter to balance water flows to allow for maintenance without slipping below production targets.   As well as reducing maintenance costs, operational costs particularly power consumption have been substantial lowered. The pumps aren’t choked and can run at peak efficiency.   It is interesting to note that in 2011 the weekly liters per second readings are lower but that’s because half the wells only run part time. Yield is up almost 15 000 cubic meters a week on the 2008 results and this is what counts
  47. Lets take a quick look at the North well field comparisons., we can see a similar story There are two wells where the yields are down on 2008. This is of course because they no longer need to run it full time.
  48. With 2,843,812 gallons more water each week they don’t need to run 6 of the 9 wells full bore. Some significant savings for the client here.
  49. Lets have a quick look at one of the worst oxide wells we have seen.
  50. This is an Australian government water supply well The only rehabilitation it had over the years was some air lifting More than likely made it worse. Here's our side view shot before treatment the client used their own camera, not a Laval
  51. We got a partial recovery, almost tripling the specific capacity but we felt there was more available. sent the camera down and saw the gravel pack still had substantial blockages, the client approved a follow-up dose and surge and asked us to continue doing this until it stopped recovering. This was 20 years of buildup, massive thickness to the clogging and the iron oxides are not very reactive
  52. Here we can see the same screen section after BoreSaver Ultra C was brushed and surged several more times. We did a pump test after each phase to test the specific capacity and chart our progress.
  53. And the results were spectacular Not only was the well back to full production. we achieved better than the original drilled capacity. What was also interesting with this well was that it did in fact improve for each of the 4 phases. I believe that’s because it had not been cleaned for 20 years. And the iron oxide was massively thick, hard and chemically stable
  54. BTW thats a 378% increase in Specific capacity. Remember this is a working production well not some little back yard hole in the ground.
  55. How long does this clean last?
  56. Our government wells are ideal research tools because they are carefully measured and monitored over long periods of time. Here we used BoreSaver Ultra C and surged the well each day over four days. The client (the government) wanted to see if any further improvement was possible over the first day results. We got over 200% improvement in the specific capacity All of it achieved on the first day of treatment. The result we saw with a minute ago with M 570 is unusual because it was so bad and the client gave us free reign to see what we could do.
  57. We went back the next year and again four phases were used. 35% improvement in specific capacity which could have been achieved by upping the dose and time factor during the fist phase. But it was a research project so you can’t change the method half way through! When I compared the two years well performance numbers, I noticed something very exciting.
  58. The starting point in 09 was double that of the year before. This means the well had not deteriorated anything like as much as had been the case with air and glycolic acid treatments in the previous years With this result we asked to be allowed to inspect the well every three months for a year
  59. What we found was a dramatic slowdown in the growth of iron oxides over the year Where normally they would get 25mm of oxide in 3 months They only had 3mm.
  60. less oxide buildup of course means an improvement in the service interval time. A significant improvement that saves the client money
  61. Blended organic acids with modern surfactants are very powerful on organic iron oxides Coupling physical rehab methods such as airlifting, sona or enerjet with the Ultra C gives good results Brushing and surging Ultra c into the screen and formation give us the best results The right chemistry with the right methods gives spectacular results.