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The Maxwell Gasfield
“A Giant Hiding in the Open”
Mike Cooper, CEO, Arenite Petroleum
10th December 2015
Cleveland
Basin
Incorporated Mar 14
Privately-owned E&P Company
Aberdeen-based
Current focus - Cleveland Basin (“onshore & offshore” sic.)
Assets:
About Arenite…....
Gasfield
Maxwell (Zechstein) Five wells tested gas at significant rates
Cloughton (Carboniferous) Tight gas discovery
41/24
NTS Pipeline
0 10 20km
Arenite Petroleum Limited Acreage Position
SE99a
&
TA09
,2 & 3
Three stacked petroleum systems
North South
S
R
T
R
S
R
T
S R T
S R T
After Roc Oil 2005
Cloughton-1
Plattendolomit (Brotherton)
Hauptdolomit (Kirkham Abbey)
LIAS
MIDDLE JURASSIC
T
R
S
R
T
A Brief History of the Cleveland Basin
Simplified
Preservation <> HC Generation & Re-migration
“All maps stop at the coast” (sic)
DATAGAP
DATAGAP
?
?
?
Discovered 1969 (Total)
Appraised 1981 (Total)
Horizontal 1992 (Conoco)
“Small gas discoveries”
Little activity for last 23 years
Plattendolomit & Hauptdolomit Discoveries
Planned 3000ft horizontal well (41/24-3, 1992) drilled in a fault zone
•  Only drilled 370ft AHL.
•  Losses & kicks. Well killed 6 (six) times.
•  “Gunk” – Diesel, bentonite & cement.
•  Perfed only ~10% TVT of Plattendolomit.
Despite drilling issues, flowed 34mmscfgd & 1280bcpd
•  Pressure decline was evident.
•  DST reports by John Underwood (SRE), ERC & RPS all concluded
a ~9.5Bcf connected GIIP.
The licence was relinquished.... but let’s relook at the geology....
The Way Forward - Horizontal Appraisal
Plattendolomit TWT map showing 41/24-3 horizontal well
Area – 0.88 km2
Connected GIIP (from DST) = 9.5 Bcf
Right well. Wrong location.
41/24a-1
41/24a-2
41/24-3
41/24-1,2 & 3
within “blue”
fault zone
A
A’A A’
C41/19-19
Plattendolomit
TWT Map
Dinantian
Bowland Shale
Millstone Grit
Westphalian
Hauptdolomit
Plattendolomit
Bunter
Rheatic
An intriguing graph in the Underwood 2005 Report
Bunter in 41/24-3 is
hydrostatic (RFT’s)
Carboniferous
reportedly hydrostatic.
A ~5800ftss FWL
yields an “apparent
overpressure”
gradient of 0.71psi/ft
to surface at top of
Maxwell gasfield.
Regional Zechstein Hydrocarbon Occurrences (Incomplete)
Cuttings gas <0.5scf/min at 10bbl mud/min. Minor condensate & mineral fluorescence
Large Regional High
DATAGAP
DATAGAP
?
?
?
“All maps stop at the coast” - again
TO OUTCROP
TOOUTCROP
A map that does not stop at the coast…...
22
15
10
34
1
3
6
39
11
9
2.3
18
Discovery
– no rates
18
Ralph Cross-1 Produced
– no rates
Lockton
Gasfield
Ebberston
Moor
Gasfield
Eskdale
Gasfield
Fordon
Gasfield
Wykeham-1
discovery
Pickering
Gasfield
Malton
Gasfield Marishes
Gasfield
Kirby
Misperton
Gasfield
8
Top Plattendolomit TWT Map
34 DST flow rate (mmscfgd)
39 Production rate (mmscfgd)
Basin Architecture & Gas Column beneath Spill Point
After DECC, 2009
Cloughton-Maxwell High
Dinantian & Older
10km
1,768mSS
Post-Alpine exposure.
Gas lost to atmosphere
Updip strat seal in tight carbonates
Unlikely hydrodynamics
Lockton Anticline
Butterknowle
Fault
Seaton Carew
Fault
2500
0
Depth(mss)
2500
0
Depth(mss)
Vale of Pickering
(VOP) Fault
Stratigraphic Trap
Plattendolomit facies change to anhydrite in west.
Hauptdolomit – TBC. More complex, near Carboniferous aquifer/FWL. Fill & Spill??
Carboniferous
Cloughton Gasfield & 41/24 Prospect
Cloughton-1 Results
Intra-Namurian TWT Structure Map Roc Oil, 2005
GIIP - Conventional (Bcf)
580
Bcf
GIIP
Roc Oil, 2005
Field Development Plan & Production Profile
Top Dinantian TWT Map
41/24
41/24a-2
SNS Carboniferous Field Analogues
SNS Carboniferous Field Size
Bunter nitrogen-rich gas discovery
Live oil shows at 180ftMD in Cloughton-1
Jurassic Oil Play
Regional Mesozoic HC Shows
Arenite is sponsoring a geochemistry MSc at Newcastle University in 2016.
41/24
NTS Pipeline
SE99a
&
TA09
Summary
Onshore
Carboniferous 84 Bcf
Plattendolomit TBC Bcf
Hauptdolomit: WIP
Unconventionals: “Multi-Tcf” GIIP
Offshore
Plattendolomit TBC Bcf
Carboniferous WIP
Hauptdolomit: WIP
Bunter Gas Discovery
(Nitrogen-rich heavy gas)
Jurassic Live Oil Lead
Well TD: 200ft. Live Oil?
Also Rhaetic Oil Shows
Block 41/24 Licence P.2304 28th Round Promote Licence
50%
50%
Dataroom open Jan-Feb 2016
Seek Experienced Operator & Promote. 50% equity available.
James Clerk Maxwell
1831-1879
Electromagnetism & Kinetic
Theory of Gases
Acknowledgements
Roc Oil - High quality regional studies
Jamie Vince, M.Sc. Graduate Geologist
Work experience at Arenite
For more information:
Europa Stand 67
info@arenitepetroleum.com

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Arenite Prospex

  • 1. The Maxwell Gasfield “A Giant Hiding in the Open” Mike Cooper, CEO, Arenite Petroleum 10th December 2015 Cleveland Basin
  • 2. Incorporated Mar 14 Privately-owned E&P Company Aberdeen-based Current focus - Cleveland Basin (“onshore & offshore” sic.) Assets: About Arenite….... Gasfield Maxwell (Zechstein) Five wells tested gas at significant rates Cloughton (Carboniferous) Tight gas discovery
  • 3. 41/24 NTS Pipeline 0 10 20km Arenite Petroleum Limited Acreage Position SE99a & TA09 ,2 & 3
  • 4. Three stacked petroleum systems North South S R T R S R T S R T S R T After Roc Oil 2005 Cloughton-1 Plattendolomit (Brotherton) Hauptdolomit (Kirkham Abbey) LIAS MIDDLE JURASSIC T R S R T
  • 5. A Brief History of the Cleveland Basin Simplified Preservation <> HC Generation & Re-migration
  • 6. “All maps stop at the coast” (sic) DATAGAP DATAGAP ? ? ? Discovered 1969 (Total) Appraised 1981 (Total) Horizontal 1992 (Conoco) “Small gas discoveries” Little activity for last 23 years Plattendolomit & Hauptdolomit Discoveries
  • 7. Planned 3000ft horizontal well (41/24-3, 1992) drilled in a fault zone •  Only drilled 370ft AHL. •  Losses & kicks. Well killed 6 (six) times. •  “Gunk” – Diesel, bentonite & cement. •  Perfed only ~10% TVT of Plattendolomit. Despite drilling issues, flowed 34mmscfgd & 1280bcpd •  Pressure decline was evident. •  DST reports by John Underwood (SRE), ERC & RPS all concluded a ~9.5Bcf connected GIIP. The licence was relinquished.... but let’s relook at the geology.... The Way Forward - Horizontal Appraisal
  • 8. Plattendolomit TWT map showing 41/24-3 horizontal well Area – 0.88 km2 Connected GIIP (from DST) = 9.5 Bcf Right well. Wrong location. 41/24a-1 41/24a-2 41/24-3
  • 9. 41/24-1,2 & 3 within “blue” fault zone A A’A A’ C41/19-19 Plattendolomit TWT Map Dinantian Bowland Shale Millstone Grit Westphalian Hauptdolomit Plattendolomit Bunter Rheatic
  • 10. An intriguing graph in the Underwood 2005 Report Bunter in 41/24-3 is hydrostatic (RFT’s) Carboniferous reportedly hydrostatic. A ~5800ftss FWL yields an “apparent overpressure” gradient of 0.71psi/ft to surface at top of Maxwell gasfield.
  • 11. Regional Zechstein Hydrocarbon Occurrences (Incomplete) Cuttings gas <0.5scf/min at 10bbl mud/min. Minor condensate & mineral fluorescence
  • 13. “All maps stop at the coast” - again TO OUTCROP TOOUTCROP
  • 14. A map that does not stop at the coast…... 22 15 10 34 1 3 6 39 11 9 2.3 18 Discovery – no rates 18 Ralph Cross-1 Produced – no rates Lockton Gasfield Ebberston Moor Gasfield Eskdale Gasfield Fordon Gasfield Wykeham-1 discovery Pickering Gasfield Malton Gasfield Marishes Gasfield Kirby Misperton Gasfield 8 Top Plattendolomit TWT Map 34 DST flow rate (mmscfgd) 39 Production rate (mmscfgd)
  • 15. Basin Architecture & Gas Column beneath Spill Point After DECC, 2009 Cloughton-Maxwell High Dinantian & Older 10km 1,768mSS Post-Alpine exposure. Gas lost to atmosphere Updip strat seal in tight carbonates Unlikely hydrodynamics Lockton Anticline Butterknowle Fault Seaton Carew Fault 2500 0 Depth(mss) 2500 0 Depth(mss) Vale of Pickering (VOP) Fault Stratigraphic Trap Plattendolomit facies change to anhydrite in west. Hauptdolomit – TBC. More complex, near Carboniferous aquifer/FWL. Fill & Spill??
  • 17. Cloughton-1 Results Intra-Namurian TWT Structure Map Roc Oil, 2005
  • 18. GIIP - Conventional (Bcf) 580 Bcf GIIP Roc Oil, 2005
  • 19. Field Development Plan & Production Profile
  • 20. Top Dinantian TWT Map 41/24 41/24a-2
  • 24. Live oil shows at 180ftMD in Cloughton-1 Jurassic Oil Play Regional Mesozoic HC Shows Arenite is sponsoring a geochemistry MSc at Newcastle University in 2016.
  • 25. 41/24 NTS Pipeline SE99a & TA09 Summary Onshore Carboniferous 84 Bcf Plattendolomit TBC Bcf Hauptdolomit: WIP Unconventionals: “Multi-Tcf” GIIP Offshore Plattendolomit TBC Bcf Carboniferous WIP Hauptdolomit: WIP Bunter Gas Discovery (Nitrogen-rich heavy gas) Jurassic Live Oil Lead Well TD: 200ft. Live Oil? Also Rhaetic Oil Shows Block 41/24 Licence P.2304 28th Round Promote Licence 50% 50% Dataroom open Jan-Feb 2016 Seek Experienced Operator & Promote. 50% equity available.
  • 27. Acknowledgements Roc Oil - High quality regional studies Jamie Vince, M.Sc. Graduate Geologist Work experience at Arenite For more information: Europa Stand 67 info@arenitepetroleum.com