Presenter: William Fleckenstein, BP Adjunct Professor in the Petroleum Department and Director of PERFORM Research, Colorado School of Mines, Golden, CO, and Managing Partner of Fleckenstein, Eustes & Associates
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Fleckenstein, William

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Colorado Law

University of Colorado Law School Colorado Law Scholarly Commons Shale Plays in the Intermountain West: Legal and Policy Issues (November 12) 2010 11-12-2010 SLIDES: Shale Drilling and Completions William Fleckenstein Follow this and additional works at: https://scholar.law.colorado.edu/shale-plays-in-intermountain-west  Part of the Climate Commons, Energy and Utilities Law Commons, Energy Policy Commons, Environmental Health and Protection Commons, Environmental Law Commons, Environmental Policy Commons, Hydraulic Engineering Commons, Natural Resource Economics Commons, Natural Resources and Conservation Commons, Natural Resources Law Commons, Natural Resources Management and Policy Commons, Oil, Gas, and Energy Commons, Oil, Gas, and Mineral Law Commons, Science and Technology Law Commons, State and Local Government Law Commons, Sustainability Commons, Water Law Commons, and the Water Resource Management Commons Citation Information Fleckenstein, William, "SLIDES: Shale Drilling and Completions" (2010). Shale Plays in the Intermountain West: Legal and Policy Issues (November 12). https://scholar.law.colorado.edu/shale-plays-in-intermountain-west/5 Reproduced with permission of the Getches-Wilkinson Center for Natural Resources, Energy, and the Environment (formerly the Natural Resources Law Center) at the University of Colorado Law School. Shale Drilling and Completions P E T R O L E U M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D E P A R T M E N T  Shale Drilling and Completions P E T R O L E U M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D E P A R T M E N T  Microseismiclling and Completions P E T R O L E U M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D E P A R T M E N T  Prop the Fractures OpenDrilling and Completions P E T R O L E U M  E N G I N E E R I N G  D E P A R T M E N T  Horizontal Completions with Mechanical Packers 12 Allow multiple stimulations along horizontal interval Horizontal Completions Frac Baffles or Frac Sleeves 13 Diversion with Expandable Packers  Sleeves are actuated with balls    Coiled Tubing with Sand Plugs  14 Horizontal Completions  Cemented Perf and Plug 15 Plug and Perf Method 1. 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 M  E N G I N E E R I N G  D E P A R T M E N T  Well Costs (Range Resources)Completions P E T R O L E U M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D 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 M  E N G I N E E R I N G  D E P A R T M E N T  Protection of Groundwater Drilling and Completions P E T R O L E U M  E N G I N E E R I N G  D 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.  

SLIDES: Shale Drilling and Completions

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SLIDES: Shale Drilling and Completions

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