Mathematical Problems in Engineering / 2014 / Article / Tab 3

Research Article

A New Method for Fracturing Wells Reservoir Evaluation in Fractured Gas Reservoir

Table 3

Evaluation parameters in sample wells and appraisal well.

WellFlowing capabilityReservoir capabilityStimulation Test production (104 m3/d)
Structural positionReservoir lithologyMud density difference (g/cm3)Deep-shallow resistivity (OMM)Compensated sonic (μs/ft)Compensated neutron (PU)Net pay thickness (m)Porosity (%)Natural gamma (API)Compensated density (g/cm3)Gas saturation (%)Oil and gas display typeInjection displacement (m3/min)Ahead fluid volume (m3)Sand-carrier volume (m3)Proppant volume (m3)

Number 1Top structureFine sandstone0.14 2.00 70.40 17.50 20.5 10.8 63.0 2.44 61.0 Well kick3.2 84.9 152.4 36.0 8.61
Number 2Top structureSandstone−0.01−0.80 68.35 14.00 8.0 9.5 81.5 2.42 58.0 Well kick3.3 90.8 178.1 40.0 5.08
Number 3Northeast wing structureFine sandstone−0.021.52 71.00 17.50 12.0 8.5 64.5 2.43 42.0 Well kick3.5 98.3 187.0 40.9 5.06
Number 4Northeast wing structureFine sandstone−0.031.47 72.10 12.60 12.0 9.2 70.8 2.45 48.8 Gas cut3.4 77.1 163.6 41.9 4.45
Number 5Northwest wing structureFine sandstone0.15 2.40 68.03 11.00 30.0 11.1 81.7 2.47 46.0 Well kick3.4 86.5 160.5 35.3 4.09
Number 6Northwest wing structureMedium sandstone0.09 1.32 67.70 13.39 20.6 7.5 64.3 2.42 37.5 Gas cut3.5 178.7 188.4 42.3 3.73
Number 7Southern structureMedium sandstone0.12 1.30 67.50 12.25 30.5 4.5 68.5 2.54 45.0 Gas cut3.2 100.3 191.8 42.6 3.00
Number 8Southern structureFine sandstone0.18 1.28 69.00 12.12 25.7 8.3 78.0 2.51 44.0 Gas logging abnormal3.1 55.5 109.7 25.3 2.29
Number 9Southern structureMedium sandstone0.12 1.60 67.58 10.50 9.0 6.2 82.8 2.53 29.0 Well kick3.4 71.5 144.1 30.4 1.08
Number 10Southern structureSandstone0.06 0.78 71.89 11.80 26.0 5.0 80.7 2.45 54.0 Well kick3.5 95.8 192.8 40.3 1.00
Number 11Southern structureSandstone0.09 0.60 68.18 15.38 6.0 6.3 82.0 2.48 32.0 Well kick3.5 91.2 191.7 41.5 0.95
Number 12Southern structureFine-medium sandstone−0.081.54 69.50 11.85 15.0 9.6 81.0 2.48 35.0 Gas cut3.5 73.1 125.0 32.3 0.64
Number 13Southern structureFine-medium sandstone0.15 1.52 63.50 6.90 19.9 3.9 62.0 3.54 38.0 Gas logging abnormal3.3 93.7 173.8 42.6 0.57
Number 14Southern structureMedium sandstone0.13 −0.70 67.75 11.43 17.1 5.9 60.5 2.50 39.5 No display3.2 61.7 118.3 25.8 0.36
Number 15Southern structureFine-medium sandstone0.07 −1.60 66.67 7.61 18.5 5.8 69.7 2.47 20.0 Gas logging abnormal3.5 125.8 164.8 45.4 0.12
Number 16Northeast wing structureMedium sandstone0.13 2.30 67.75 13.25 8.1 8.0 70.8 2.44 40.0 Well kick3.2 61.4 107.5 23.4