Upload
kyros
View
62
Download
8
Tags:
Embed Size (px)
DESCRIPTION
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. - PowerPoint PPT Presentation
Citation preview
Shale Drilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
William Fleckenstein, P.E.BP Adjunct Professor
Colorado School of Mines
Shale Drilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Vertical vs. Horizontal Drilling
United States Current Rig Count (Baker Hughes) and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Breakout Information This Week +/- Last Week +/- Year Ago
Oil 718 22 696 386 332
Gas 955 -12 967 221 734
Miscellaneous 10 1 9 -2 12
Directional 218 -2 220 32 186
Horizontal 943 24 919 436 507
Vertical 522 -11 533 137 385
Drilling Rigs are Differentand Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Shale Drilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Why not just a horizontal well?
Demand for more fracsd Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
The Reservoir Contact Is Even Better!! Drilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Each Fracture Stimulation Creates a Complex Fracture Network Drilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Microseismiclling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
• Maps the fracture growth• Identifies azimuth• Requires observation well
SMicroseismic Barnett Shale Horizontal and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Prop the Fractures OpenDrilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Horizontal Completions with Mechanical Packers
12
Allow multiple stimulations along horizontal interval
Horizontal CompletionsFrac Baffles or Frac Sleeves
13
Diversion with Expandable PackersSleeves are actuated with balls
Coiled Tubing with Sand Plugs
14
Horizontal Completions Cemented Perf and Plug
15
Plug and Perf Method1. Annular Isolation (and diversion accomplished with cement)
2. Frac stages initiated through perforations isolated with bridge plugs
3. Bridge plugs are removed with coiled tubing drilling.
Size of Fracture Stimulationsand Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Well Costs (Range Resources)Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Lots of Water in “Water Fracs” Drilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Horsepower to pump those water fracsDrilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
Protection of Groundwater Drilling and Completions
P E T R O L E U ME N G I N E E R I N GD E P A R T M E N T
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.