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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 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
United States Current Rig Count (Baker Hughes)and Completions PETROLEUM ENGINEERING DEPARTMENT
Drilling Rigs are DifferentandCompletions PETROLEUM ENGINEERING DEPARTMENT
Why not just a horizontal well? Shale Drilling and Completions PETROLEUM ENGINEERING DEPARTMENT
Demand for more fracsdCompletions PETROLEUM ENGINEERING DEPARTMENT
The Reservoir Contact Is Even Better!! Drilling and Completions PETROLEUM ENGINEERING DEPARTMENT
Each Fracture Stimulation Creates a Complex Fracture NetworkDrilling and Completions PETROLEUM ENGINEERING DEPARTMENT
Maps the fracture growth • Identifies azimuth • Requires observation well Microseismicllingand Completions PETROLEUM ENGINEERING DEPARTMENT
SMicroseismicBarnett Shale Horizontaland Completions PETROLEUM ENGINEERING DEPARTMENT
Prop the Fractures OpenDrillingand Completions PETROLEUM ENGINEERING DEPARTMENT
Horizontal Completions with Mechanical Packers Allow multiple stimulations along horizontal interval
Horizontal CompletionsFrac Baffles or Frac Sleeves Diversion with Expandable Packers Sleeves are actuated with balls
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
Size of Fracture StimulationsandCompletions PETROLEUM ENGINEERING DEPARTMENT
Well Costs (Range Resources)Completions PETROLEUM ENGINEERING DEPARTMENT
Lots of Water in “Water Fracs”Drilling and Completions PETROLEUM ENGINEERING DEPARTMENT
Horsepower to pump those water fracsDrillingand Completions PETROLEUM ENGINEERING DEPARTMENT
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