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Carpinteria Field Waterflood

Carpinteria Field Waterflood. Agenda. Objective Phillips injection results Geologic aspects of waterflood Injection water supply Quantity Quality Water treatment Injection equipment. Waterflood Objective. OCS-P 0166 Increase Oil Recovery by 10 to 15% of OOIP

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Carpinteria Field Waterflood

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  1. Carpinteria Field Waterflood

  2. Agenda • Objective • Phillips injection results • Geologic aspects of waterflood • Injection water supply • Quantity • Quality • Water treatment • Injection equipment

  3. Waterflood Objective • OCS-P 0166 • Increase Oil Recovery by 10 to 15% of OOIP • 16 – 20 MM bbls additional oil recovery

  4. Carpinteria Offshore Field

  5. Waterflood Objective • OCS-P 0166 • Increase Oil Recovery by 10% of OOIP • 16 – 20 MM bbls additional oil recovery

  6. Waterflood Objective • OCS-P 0166 • Increase Oil Recovery by 10% of OOIP • 16 – 20 MM bbls additional oil recovery

  7. OOIP Data

  8. The Phillips Water Disposal Program • Pilot Disposal Test March – June 1973 • 217,846 bbls into Well A-32 • 5-year Limited SWD 1973 - 1978 • 12,000,000 bbls into 5 Wells • 300,000 – 500,000 STB from 8 offset producers • Severe channeling • Oil recovery was not maximized • Enhanced oil recovery study 1983.

  9. The Phillips Water Disposal Program • Pilot Disposal Test March – June 1973 • 217,846 bbls into Well A-32 • 5-year Limited SWD 1973 - 1978 • 12,000,000 bbls into 5 Wells • 300,000 – 500,000 STB from 8 offset producers • Severe channeling • Oil recovery was not maximized • Enhanced oil recovery study 1983.

  10. The Phillips Water Disposal Program • Pilot Disposal Test March – June 1973 • 217,846 bbls into Well A-32 • 5-year Limited SWD 1973 - 1978 • 12,000,000 bbls into 5 Wells • 300,000 – 500,000 STB from 8 offset producers • Severe channeling • Oil recovery was not maximized • Enhanced oil recovery study 1983.

  11. Repetto Producing Sands

  12. Water Injection Wells, Top of F-1

  13. Water Injection Wells, Top of F-1

  14. Block M

  15. Cross Section - Block M A-52ST1 A-46ST1 A-4 South A-2 North A-49WB1 F-1 F-2 A-43ST1 F-3 A-1ST1 F-4

  16. Block – M Log Comparison A-46ST1 A-52ST1 A-2 A-4

  17. SWD System at La Conchita Plant Media Filters Mixing Tank Quintaplex Pumps SWD Retention Tank To 4” line

  18. SWD Rates Discharge to Ocean (250 total days from 6/2007 to 2/2008) 110 62 52 Number of Days 44% 14 25% 21% 3 5 2 Barrels per Day

  19. Injection Water Quality • Total Suspended Solids (TSS) • Around 1 micron or less • Critical Cations • Calcium 66 ppm • Barite unmeasurable • Magnesium 80 ppm • Other • 0.5 ppm or less H2S • 0.37 ppm dissolved O2

  20. Water Treatment • Scale Inhibitor • LSI: 0.4 – 1.53 • Biocide • SRBs • Corrosion Inhibitor • Treat • Oxygen scavenger • TBD

  21. Equipment Layout at Platform Hogan 4” line from La Conchita Plant Pressure gauge High level Pressure gauge Pressure gauge Centrifugal pump Sampling point Stabilizing Tank Variable Choke Flow meter Variable Choke Pressure gauge Pressure gauge Low level Flow Control Chemical Injection Filter Bank Disposal Tube

  22. Water Injection Wellhead and Manifold Layout Pressure gauge 3” Manifold Isolation Valve (MIV) 3” Bowen Union 3” Crown Valve 3” Actuated Wing Valve Kerotest valve Flow Tee or Cross Continuous Electronic Pressure Monitor 3” Master Valve 3” Choke Valve Continuous Electronic Flowmeter 3” Well Manifold Sampling point

  23. The End

  24. OPEX $1.5 MM/Mo Oil Price $75/bbl EL 52 MM 61 MM

  25. EL 52 MM 68 MM

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