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Simulation of Borehole Simulation of Borehole Breakouts Using FRACOD Breakouts Using FRACOD
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Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Dec 17, 2015

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Page 1: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Simulation of Borehole Breakouts Simulation of Borehole Breakouts Using FRACODUsing FRACOD

Page 2: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

ObjectiveObjective

To test the capability of the fracture To test the capability of the fracture propagation code FRACOD in predicting propagation code FRACOD in predicting borehole breakouts.borehole breakouts.

To test the effectiveness of the fracture To test the effectiveness of the fracture initiation function (no artificial fractures are initiation function (no artificial fractures are introduced. All fractures shown in the introduced. All fractures shown in the examples are predicted automatically by the examples are predicted automatically by the code) code)

Page 3: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Main parametersMain parameters

KKICIC=1.08 MPa m=1.08 MPa m1/21/2; K; KIICIIC=(1.0-1.5) K=(1.0-1.5) KICIC

Tensile strength = 7MPaTensile strength = 7MPa Compressive strength Compressive strength cc=28MPa =28MPa Failure criterion (Failure criterion (11))22 = 200*( = 200*(33 +3.95); +3.95); E=55GPa, E=55GPa, =0.25=0.25 Insitu stresses:Insitu stresses:HH=36MPa, =36MPa, hh =45MPa, fluid =45MPa, fluid

pressure pressure pp =18MPa =18MPa Fracture contact properties: JKs=JKn=10e4GPa/m; Fracture contact properties: JKs=JKn=10e4GPa/m;

friction angle=0,10 degrees, cohesion=0friction angle=0,10 degrees, cohesion=0 Borehole Diameter =0.216mBorehole Diameter =0.216m

Page 4: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Case 1Case 1

Fracture surface friction angle=0Fracture surface friction angle=0

KKIICIIC=K=KICIC

Page 5: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 6: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 7: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 8: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 9: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 10: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 11: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 12: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 13: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 14: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 15: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 16: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Principal StressesPrincipal Stresses

Page 17: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 18: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 19: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 20: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 21: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 22: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 23: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 24: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 25: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 26: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 27: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 28: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

DisplacementsDisplacements

Page 29: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 30: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 31: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 32: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 33: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 34: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 35: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 36: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 37: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 38: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 39: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 40: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Case 2Case 2

Fracture surface friction angle=10°Fracture surface friction angle=10°

KKIICIIC=K=KICIC

Page 41: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 42: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Increase stresses by 5%Increase stresses by 5%

Page 43: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Page 44: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Page 45: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Case 3Case 3

Fracture surface friction angle=0°Fracture surface friction angle=0°

KKIICIIC=1.5K=1.5KICIC

Page 46: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 47: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Page 48: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Page 49: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 50: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 51: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 52: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Page 53: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 54: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 55: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Page 56: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

Case 4Case 4

Fracture surface friction angle=10°Fracture surface friction angle=10°

KKIICIIC=1.5K=1.5KICIC

Page 57: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 58: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 59: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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AIST tests, Borehole breakout in Granite

Increase stresses by 10%Increase stresses by 10%

Page 60: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 61: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 62: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 63: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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Page 64: Simulation of Borehole Breakouts Using FRACOD. Objective n To test the capability of the fracture propagation code FRACOD in predicting borehole breakouts.

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