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The presentation is based on the discussions of starting operations of a coal based thermal power plant. This presentation is based on the in-house training to the operation engineers of the thermal power plant. It describes the activity chart for the starting of boiler, Turbine and synchronising of Generator, picking up the load etc.
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production. In one hand the existence of untouched heavy oil reservoirs in Rio Del Rey and lack of
producing from them and maturity of light oil reservoirs to 2nd and 3rd stage of their
production age in other hand make the development and production of these heavy oil
reservoirs necessary
Introduction first starts by explaining sedimentation of reservoir rocks. Then it moves on to trap elements and responsibilities of a reservoir engineer.
By increasing in the use of nonrenewable energy and decreasing in discovering hydrocarbon
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so increase in recovery factor of the existing oil reservoirs is necessary after the primary
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Connect with GE Online:
GE코리아 웹사이트: http://www.ge.com/kr/
GE리포트코리아: http://www.gereports.kr/
GE코리아 페이스북 페이지: hhttps://www.facebook.com/GEKorea
GE코리아 슬라이드쉐어: http://www.slideshare.net/GEKorea
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Felton LNG Tour Presentation (PG&E)
1. Large Scale Portable LNG
Response
Santa Cruz/Felton 2015
Austin A. Hastings, P.E., Senior Manager
LNG/CNG Engineering and Operations
Pacific Gas & Electric Company
2. In Case of Emergency
• Call 911 and Meet First Responders:
Austin
• Sweep Room, Gathering Area, Roster
Check: TC
• CPR Certified?
• Main Gathering Area: Front Gate
• Alternate Gathering Area: Left from tour
trailer through transfer area
Page 2
3. Agenda
Comparison of LNG and CNG
Overview of LNG/CNG Eng & Ops Department
Portable LNG/CNG equipment
Background on the Project
LNG Planning and Logistics Process
Safety on Your Tour
Page 3
4. Comparison of LNG and CNG
LNG CNG
Pressures up to (psig): 200 4,500
Temperatures (F): -260F Ambient
Odorized? NO YES
How does PG&E Acquire It? From Third Parties At PG&E CNG Stations
Volume Expansion Ratio 600:1 275:1
Why Liquefy or Compress? Higher Energy Density
Advantages when used in a
Portable Application
Higher Flowrates Easier to Site
Higher Volumes Can be Unmanned
Higher Energy Density Refill at PG&E Facilities
Page 4
5. LNG/CNG
Engineering and Operations
Created September 2011
Recognition that:
• Assets were treated differently than 49 CFR Part 192 assets
• Small equipment base
Many functions related to these assets in one compact department:
Operations, Project Engineering, Facility Engineering, Standards Development,
Maintenance Planning, Maintenance, Inspection, Budget Management (Capital,
Expense, Distribution, Transmission), Customer Support (Third Party CNG vehicles),
Training
51 Employees
Employee and Hiring Hall Make Up:
• 21 Technicians
• 6 Clerical and Material
• 14 Engineering/Technical
• 4 Portable Response Coordinators
• 6 Supervisory
Page 5
6. LNG/CNG E&O Asset Base
33 CNG Fueling Stations
• Provide fuel for PG&E CNG vehicles (e.g., passenger cars, fleet trucks)
• Provide fuel for third party fleet operators and individual passenger vehicles
• Maintain a PG&E presence in the CNG “green vehicle” business
218 Pieces of Portable LNG and CNG Equipment
• Provide natural gas supplies to offset or supplement pipeline flowing
supplies for
o Planned outages to reduce pipeline construction, maintenance and
operations costs and complexity
o Winter peak load shaving
o Unplanned outages (emergencies)
Page 6
8. Portable Equipment
Capabilities and Quantities
2010 2015
Storage
Volume
Capacity
Flowrate
Capacity
Application
Example
LNG Tankers 3 10 up to 900,000 scf
5,000+ Residential,
Large Commercial
LNG Fired Vaporizers 3 7 500,000 scfh
LNG Ambient Vaporizers 0 4 200,000 scfh
CNG Tube Trailers 5 24 up to 150,000 scf "Large CNG" - Up to
2,000 Residential,
Medium CommercialCNG Injection Trailers 5 16
up to 50,000
scfh
CNG Gaps 2 19 8,500 scf 2,000 scfh
"Medium CNG" - Up
to 20 Residential,
Small Commercial
CNG Modules 0 90 2,200 scf 500 scfh "Small CNG" - Up to 3
ResidentialCNG Bottle Trailers 4 26 1,800 scf 500 scfh
TOTAL 22 218
Page 8
9. LNG Vaporizer - Fired
2015 Volume Capacity Flowrate Capacity Application Example
LNG Tankers 10 up to 900,000 scf 5,000+ Residential, Large
CommercialLNG Fired Vaporizers 7 500,000 scfh
Page 9
10. LNG Vaporizer - Fired
LNG is heated to change phase from liquid
to gas, heated to produce pipeline natural
gas at 60-70oF, and the pressure is
controlled as appropriate
PIPELINE
LNG tanker loaded with LNG,
transported and then parked on site.
LNG TANKER VAPORIZER
Page 10
11. Vaporizer Components
Page 11
• On board air for pneumatic valves
• 480V electrical mainly for motor for water pump
• Nitrogen loop for cabinet purge and back up
pneumatic control
• Fuel gas system
• Odorant system
• Telemetry
• Methane Detection
• Automatic alarm and shut devices
• Air, electric, motor, pump, heater, control system
redundancies
• No LNG pump or methane compressors
• Focus is on spill elimination, not containment!
12. LNG Vaporizer - Ambient
2015 Volume Capacity
Flowrate
Capacity
Application Example
LNG Tankers 10 up to 900,000 scf 5,000+ Residential, Large
CommercialLNG Ambient Vaporizers 4 200,000 scfh
Page 12
16. “Large” CNG System
2015 Volume Capacity
Flowrate
Capacity
Application Example
CNG Tube Trailers 24 up to 150,000 scf "Large CNG" - Up to 2,000
Residential, Medium CommercialCNG Injection Trailers 16 up to 50,000 scfh
Page 16
17. “Medium” CNG System
2015
Volume
Capacity
Flowrate
Capacity
Application Example
CNG Gaps/Double Gaps 19 up to 17,000 scf 2,000 scfh
"Medium CNG" - Up to 20
Residential, Small Commercial
Heat
Exchanger
Bundle
Storage
Cylinders
Pressure
Control
Equipment
Page 17
PIPELINE
Trailer is loaded with CNG, transported,
and then parked on site. CNG pressure
is reduced and then heated to produce
pipeline natural gas at 60-70oF
TRAILER with
STORAGE, HEATING
AND REGULATION
18. “Small” CNG Systems
2015 Volume Capacity Flowrate Capacity Application Example
CNG Modules 90 2,200 scf 500 scfh "Small CNG" - Up to 3
ResidentialCNG Bottle Trailers 26 1,800 scf 500 scfh
Heat
Exchanger
Bundle
Pressure
Control
Equipment
Storage
Cylinders
Page 18
19. Telemetry (Levelcon)
• Web based application
• Installed on CNG Equipment and LNG equipment
• Tracks flowrates, pressures, temperatures, GPS location
• Automatic page out capability
• Data can be trended and exported
• The larger the equipment, the greater the Levelcon capability
Page 19
20. Portable LNG/CNG – Peak Shaving
We use the same equipment to supplement
pipeline supply during high demands (cold
temperatures)
• Long term economic benefit versus pipeline
(+$25M)
• Short term project delay mitigation
(environmental, permit, budget)
• Very infrequent event
• LNG/CNG and Planning to work together for
more advanced coordination
• Same equipment, same people, same overall
process
Page 20
LNG
Auburn Clovis
CNG
Folsom Oakdale
Foster City Red Bluff
Lathrop San Francisco
Los Banos Stanford
Nevada City-1 Waterford
Nevada City-2
CROSS COMPRESSION
Santa Cruz
21. Portable Natural Gas Usage
Increase
2010 2014 Increase
Tap-Days (Number of Days times
Number of Taps)
370 5,705 15 times
Average Number of Taps Each Day for
the entire Year
1.01 17 (52 at one time) 17 times
Customer Days Supported (majority in
2012 were two long term LNG projects)
14,000 1,317,000 94 times
23. Santa Cruz LNG T-94B/95
Project Background:
• 5.58 Miles of hydrotest
• MAOP = 303 PSIG
• Spike pressure during test of 1,020 psig
• 10”, mostly Grade B seamless but some ERW
System Demands:
• Sole natural gas supply for approx. 44,000 customers
for two weeks!
• Injection pressure: 275psig
• 215 Mscfd CNG - Capitola
Equipment:
• 5 portable 300hp compressors – 4 running, 1 stand-by
• 32 tankers
• 3 Vaporizers
• System Emergency Back-up:
• Santa Cruz Underground Holder: ~2.5MMscf
• Line pack: ~1MMscf
24. T-94B/95 LNGData
• Peak Flowrate
• 490 Mscfh
• 5,975 Gph
• Daily Volume
• 6,944 Mscfd
• 84,500 GPD
• 8.5 tankers per day
• Total Volume (including test)
• 111,100 Mscf
• 1.352 million gallons
• Total Pounds of LNG Injected:
• 4.786 million pounds, 2,400
tons
• 50% more than a World War II
Destroyer
• Miles travelled
• Each Round Trip: 686
• Daily: 5,800
• Entire Project: 92,747
• 15 round trips from San Francisco
to Boston
• Almost 4 times around the earth
26. Santa Cruz LNG
Logistics
PG&E Felton
Injection Site
PG&E
PG&E
CE
CE
PG&E
PG&E
PG&E CE
CE LNG TANKER
CE LNG TANKER
Transfer Site near Inj. Site
PIPELINE
PG&E VAPORIZER
PG&E
PG&ETranspo
CE Transpo
Clean Energy LNG
Production Plant
27. LNG Supply and Transport
Real Time Driver Monitoring
Supply Facility in Boron
39. Operational
Site Lead
Logistics
Site Lead
Support
Support
Operator 1 Operator 2 Assistant 1 Assistant 2 Assistant 3
Transfer
Site Lead
Transfer 1
Transfer 2/
Assistant 4
Public
Liaison
In the event of
an incident
AM
Peak
Safety
Compressor
Operator
Jobsite Organizational
Structure
40. Santa Cruz LNG
Staffing
Total Number of People Involved: 89
• Total Technicians: 24
• Total Site Leads: 10
• Support Personnel and REI: 7
• Drivers/Loaders: 48
41. THIS IS A TEST
(AND ONLY A TEST)
• Before any large scale LNG response, we test for a minimum of 16
hours. This test is for:
– Testing the specific layout as every project is configured differently.
– Testing the jobsite conditions to ensure no environmental issues impact the
job.
– Confirm the downstream customer load.
– Ensure the equipment is functioning properly and did suffer a failure due to
transport.
• Because this project is so incredibly complex, we are testing for 48
hours one week before the outage begins.
– This gives us time to reconfigure the jobsite, our operations or our process and
even potentially retest before the pipeline outage begins.
• This is the first day of our test, and it will not be unusual for us to
be shut down and changing our operations today.
42. SAFETY ON YOUR TOUR
•Please stay close to your tour leader. Do NOT wander around the jobsite!!!
•If there is an operational issue, I will escort you to the trailer to allow the technicians to focus.
•If you need to leave or go to trailer, please let TC know and she will escort you.
•Wear PPE:
• At all times: hard hat, vest, eye protection
• Ear plugs and sunscreen as needed.
• Work gloves within 15’ of cryogenic piping.
•You are free to take pictures.
•We will have several spots for group photos along the route.
•Be cautious of tripping hazards.
•ALWAYS look around while walking, many trucks will be leaving/entering the jobsite.
•Properties of LNG reminder:
• -260F boiling point
• Unodorized
• Cold vapor heavier than air
• Asphyxiant
•Other jobsite hazards:
• CNG gas up to 3,600 psig
• Odorant
• Glycol
• Hot temperatures on compressors
STAY HYDRATED! Grab a cold bottle of water on your way out.