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Shale Drilling and Completions

Shale Drilling and Completions. William Fleckenstein, P.E. BP Adjunct Professor Colorado School of Mines. PETROLEUM ENGINEERING DEPARTMENT. Vertical vs. Horizontal Drilling. Shale Drilling and Completions. PETROLEUM ENGINEERING DEPARTMENT.

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Shale Drilling and Completions

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  1. Shale Drilling and Completions William Fleckenstein, P.E. BP Adjunct Professor Colorado School of Mines PETROLEUM ENGINEERING DEPARTMENT

  2. Vertical vs. Horizontal Drilling Shale Drilling and Completions PETROLEUM ENGINEERING DEPARTMENT

  3. United States Current Rig Count (Baker Hughes)and Completions PETROLEUM ENGINEERING DEPARTMENT

  4. Drilling Rigs are DifferentandCompletions PETROLEUM ENGINEERING DEPARTMENT

  5. Why not just a horizontal well? Shale Drilling and Completions PETROLEUM ENGINEERING DEPARTMENT

  6. Demand for more fracsdCompletions PETROLEUM ENGINEERING DEPARTMENT

  7. The Reservoir Contact Is Even Better!! Drilling and Completions PETROLEUM ENGINEERING DEPARTMENT

  8. Each Fracture Stimulation Creates a Complex Fracture NetworkDrilling and Completions PETROLEUM ENGINEERING DEPARTMENT

  9. Maps the fracture growth • Identifies azimuth • Requires observation well Microseismicllingand Completions PETROLEUM ENGINEERING DEPARTMENT

  10. SMicroseismicBarnett Shale Horizontaland Completions PETROLEUM ENGINEERING DEPARTMENT

  11. Prop the Fractures OpenDrillingand Completions PETROLEUM ENGINEERING DEPARTMENT

  12. Horizontal Completions with Mechanical Packers Allow multiple stimulations along horizontal interval

  13. Horizontal CompletionsFrac Baffles or Frac Sleeves Diversion with Expandable Packers Sleeves are actuated with balls

  14. Coiled Tubing with Sand Plugs

  15. Horizontal Completions Cemented Perf and Plug Annular Isolation (and diversion accomplished with cement) Frac stages initiated through perforations isolated with bridge plugs Bridge plugs are removed with coiled tubing drilling. Plug and Perf Method

  16. Size of Fracture StimulationsandCompletions PETROLEUM ENGINEERING DEPARTMENT

  17. Well Costs (Range Resources)Completions PETROLEUM ENGINEERING DEPARTMENT

  18. Lots of Water in “Water Fracs”Drilling and Completions PETROLEUM ENGINEERING DEPARTMENT

  19. Horsepower to pump those water fracsDrillingand Completions PETROLEUM ENGINEERING DEPARTMENT

  20. Getting a good cement job means: • Centralization • Pipe movement and fluid velocity (looking for turbulence) • Spacer design • Rheology properties of mud • Other specific issues to a cement job. Protection of GroundwaterDrilling and Completions PETROLEUM ENGINEERING DEPARTMENT

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