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Vertical fracture containment during massive hydraulic fracturing

Conference · · Annual CIM Petroleum Society; ()
OSTI ID:6401429
; ;
Massive hydraulic fractures are projected to play a major role in the recovery of the tremendous reserves of gas tied up in the tight gas sands of the Deep Basin of N. Alberta and British Columbia. One of the major problems in designing fractures in such formations is the uncertain vertical extent of these fractures: fracture containment. This work presents a procedure for predicting the vertical extent of fractures in multi-layered formations with varying material properties and tectonic stresses. The numeric procedure uses the finite element technique for the rock deformation calculations and employs special high order, crack-tip elements to improve the accuracy of stress intensity calculations. Furthermore, it makes use of the powerful numeric technique of static condensation to reduce computer memory and computation time. The elastic deformation calculation can be coupled to a fluid flow model to predict dynamic fracture growth.
OSTI ID:
6401429
Conference Information:
Journal Name: Annual CIM Petroleum Society; () Journal Volume: 83-34-34
Country of Publication:
United States
Language:
English

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Related Subjects

03 NATURAL GAS
030900* -- Natural Gas-- Artificial Stimulation
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ALBERTA
BRITISH COLUMBIA
CANADA
COMMINUTION
COMPUTERIZED SIMULATION
CRACK PROPAGATION
ENERGY SOURCES
ENHANCED RECOVERY
FAILURES
FLUIDS
FOSSIL FUELS
FRACTURE MECHANICS
FRACTURE PROPERTIES
FRACTURES
FRACTURING
FUEL GAS
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GAS FUELS
GASES
GEOLOGIC DEPOSITS
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MATHEMATICAL MODELS
MECHANICAL PROPERTIES
MECHANICS
MINERAL RESOURCES
NATURAL GAS
NATURAL GAS DEPOSITS
NATURAL GAS WELLS
NORTH AMERICA
PERMEABILITY
RECOVERY
RESERVOIR ROCK
RESOURCES
ROCK MECHANICS
ROCKS
SANDSTONES
SEDIMENTARY ROCKS
SIMULATION
STIMULATION
STRESS INTENSITY FACTORS
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WELLS