Page 130 - Reservoir Geomechanics

1999) 1993)
1992) al. al.

1972) 1987) al. et et Zoback et Bruno

al. Unpublished Holt Unpublished Unpublished Unpublished Unpublished
et Reference (Freyburg (McNally (Fjaer, (Moos, (Vernik,
Zoback

Chang, and with sandstones UCS with 0.05 with 80MPa < 0.33 <

After consolidated sandstones range unconsolidated sandstones and sands sandstones > UCS consolidated 0.30 φ< UCS < 2 <φ 0.002

sandstones. comments both grained, unconsolidated porosity and to MPa grained conglomerates and 0.12 < well clean, with sandstones with and

in General – Fine wide Weak Applicable >30 Coarse Consolidated <φ – – Very Sandstones 360 MPa
properties developed Australia

physical where Germany Basin, Alaska Mexico basins (fraction) φ

other Region Thuringia, Bowen Coast Gulf Coast Gulf Inlet, Cook Australia of Gulf Sedimentary worldwide (MPa), E

and – –
UCS Elsevier (fraction),

between of [(1+ν)/(1−ν)] 2 (1−2ν) p ρV 2 ) p V clay (kg/m 3 ),

relationships permission with 31.5 exp(−0.036
t)
t −3 10 7 ρ 2 V 2 p 0.78V clay ] 21 − ρV 2 p ρV 2 ) 10 −11 × 10 −10 × exp(0.000027E) ρ (µs/ft),

Empirical Reprinted MPa UCS, − V p 0.035 1200 × 1.4138 10 −20 × 3.3 [1+ 1.745×10 −9 exp(1.9 42.1 exp(1.14 3.87 46.2 (1−Bφ) 2 A exp(−10φ) 277
t (m/s), V p

4.1. used:
Table (2006). Equation No. 1 2 3 4 5 6 7 8 9 10 Units