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Selection of Artificial Lift Method

Selection of Artificial Lift Method. Breakout Session Bill Lane – Moderator. Selection of Artificial Lift Method Breakout Session. Case Study : Fracturing of adjacent wells creates shale fines in producing wells causing equipment erosion. The price to pay for effective fracturing

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Selection of Artificial Lift Method

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  1. Selection of Artificial Lift Method Breakout Session Bill Lane – Moderator

  2. Selection of Artificial Lift MethodBreakout Session Case Study: Fracturing of adjacent wells creates shale fines in producing wells causing equipment erosion. • The price to pay for effective fracturing • Try conformance technologies (sand control) 2012 Appalachian Basin Gas Well Deliquification Seminar, Marietta, Ohio

  3. Selection of Artificial Lift MethodBreakout Session Artificial Lift trends in deep horizontal wells (shale) • Jet pumps for initial drawdown and frac flow-back • Gas lift preferred in gassy wells with high liquid production • Hybrid gas lift / jet pump completions • Wireline run & retrieve jet pumps and GLVs 2012 Appalachian Basin Gas Well Deliquification Seminar, Marietta, Ohio

  4. Selection of Artificial Lift MethodBreakout Session Artificial Lift trends in deep horizontal wells (continued) • For low liquid production and/or declining FBHP: • Rod lift is the most common lift technology • Plunger lift is the most cost effective technology (if production capacity is adequate) • Velocity/dead strings used by some producers, injected gas can be used to increase velocity FBHP < PINJECTION < SBHP • Capillary foam (surfactant) used if water cut > 20%, sometimes used with velocity strings 2012 Appalachian Basin Gas Well Deliquification Seminar, Marietta, Ohio

  5. Selection of Artificial Lift MethodBreakout Session Industry debate: Where to land pump? • As deep as possible to improve drawdown, but… • Pumps landed in horizontal loose 1/3 run life • Pumps landed in build section loose 2/3 run life • Mixed economical results for pumps landed beyond 60% deviation. • 75 to 100 ft above liner top to reduce turbulence & gas interference 2012 Appalachian Basin Gas Well Deliquification Seminar, Marietta, Ohio

  6. Selection of Artificial Lift MethodBreakout Session Final Thoughts • If possible keep the pump in vertical section. • So should we maximize the build angle? • Production from horizontal wells is sensitive to well geometry (SPE 149477)  Operators whose drilling, completion, and production departments work together to optimize production will be the most productive. 2012 Appalachian Basin Gas Well Deliquification Seminar

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