Rock Mechanical Properties of KG Basin
3
Rock Properties b pore pressure/stress couping gradient C Rock intenal strength Cr Volumetric solid grain compressibility psi- Cbc Volume bulk-volume compressibility psi-1 h reservoir thickness Pp pore pressure Pf0 Initial pore pressure Rb wellbore radius Rd radius of depletion Sr radial stress Tangential stress Sv vertical stress Initial horizontal stress v poisson's ratio θ Angle, degree φ formation internal friction angle µ Internal frictional coefficient a biot constant Sθ Shθ
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mechanical properties of rock from KG Basin
Transcript of Rock Mechanical Properties of KG Basin
Rock Properties
b pore pressure/stress couping gradientC Rock intenal strengthCr Volumetric solid grain compressibility psi-1Cbc Volume bulk-volume compressibility psi-1h reservoir thicknessPp pore pressurePf0 Initial pore pressureRb wellbore radiusRd radius of depletionSr radial stress
Tangential stressSv vertical stress
Initial horizontal stressv poisson's ratioθ Angle, degreeφ formation internal friction angleµ Internal frictional coefficienta biot constant
Sθ
Shθ
Line Layers Lithology
1 clay stone 15 0.18 1.962 sand 12 0.34 2.25
3 50 0.25 2.74 shale 35 0.23 2.45 sand/shale 13 0.35 2.47
1 clay stone 15 0.18 2.042 sand 20 0.25 2.33 basalt 70 0.25 2.764 compacted sand 42 0.17 2.325 shale 30 0.28 2.56 basement 80 0.25 2.74
Young Modulus (Gpa)
Poisson's ratio
Density (gm/Cm3)
East Godavari
Lmestone dominated
West Godavari
