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17 Cards in this Set
- Front
- Back
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Production |
Process of extracting hydrocarbons from the reservoir and bring them to the surface |
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3 Major categories for Recovery methods |
-Primary Recovery -Secondary Recovery -Enhanced Recovery |
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Will the “Recovery Factor” ever be 100% |
No, due to multiple factors |
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What is the purpose of using different Recovery methods at different life stages |
Maximize the overall recovery factor |
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Primary Recovery |
Natural driving force available in the reservoir (pressure) or pumping techniques are used to produce oil and gas |
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Typical Recovery Factor for Primary Method |
5-15% of OOIP |
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Common type of pumps used in primary Recovery |
-beam pumps -progressive cavity pumps (PCP’s) -Electrical Submersible pumps (ESP’s) |
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Using pumps for production is know as what ? |
Artificial Lift Mechanism |
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Most wells drilled in Canada required what to produce oil? |
Artificial Lift |
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Beam Pumps |
-Low to medium production Volume -Fair solids handling -vertical and slight deviation -very common -easy to repair -cheap |
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How do beam pumps operate ? |
Rocks back and forth, moving the positive displacement pump at the bottom of the well. Each time the rod and pumps are stroked, a volume of fluid is lifted through the sucker-rod tubing and discharged at the surface |
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Progressive Cavity Pumps PCP |
-low to medium production volume -excellent solids handling -high viscosity fluids -deviated and horizontal Wells -cheap |
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Limitations of PCPs |
Maximum operating temp is limited to 100-120 due to the materials used. Some components of the pcps can be ruined like elastomer and glue of the stator |
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2 main components of PCPs are |
-Helical steel “rotor” -“stator” comprised of a steel tubular housing with a bonded elastomeric sleeve formed with a multiple internal helix |
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Electrical submersible pumps ESP’s |
-high production volume -fair solid handling -good depth range -very expensive |
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Cost of ESP’s |
Very high and repairs are costly. All moving pieces are down home so a failure of any of them will require expensive well intervention |
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What types of artificial lifts are replacing others? |
PCPS are starting to replace ESPS because new designs are meeting the specifications of ESPS. as the technologies of PCPS are evolving they are replacing ESPS |
