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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
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 • 16 – 20 MM bbls additional oil recovery
Waterflood Objective • OCS-P 0166 • Increase Oil Recovery by 10% of OOIP • 16 – 20 MM bbls additional oil recovery
Waterflood Objective • OCS-P 0166 • Increase Oil Recovery by 10% of OOIP • 16 – 20 MM bbls additional oil recovery
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.
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.
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.
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
Block – M Log Comparison A-46ST1 A-52ST1 A-2 A-4
SWD System at La Conchita Plant Media Filters Mixing Tank Quintaplex Pumps SWD Retention Tank To 4” line
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
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
Water Treatment • Scale Inhibitor • LSI: 0.4 – 1.53 • Biocide • SRBs • Corrosion Inhibitor • Treat • Oxygen scavenger • TBD
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
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
OPEX $1.5 MM/Mo Oil Price $75/bbl EL 52 MM 61 MM
EL 52 MM 68 MM