Research Article
A New Method for Fracturing Wells Reservoir Evaluation in Fractured Gas Reservoir
Table 3
Evaluation parameters in sample wells and appraisal well.
| | Well | Flowing capability | Reservoir capability | Stimulation |
Test production (104 m3/d) | | Structural position | Reservoir lithology | Mud 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 type | Injection displacement (m3/min) | Ahead fluid volume (m3) | Sand-carrier volume (m3) | Proppant volume (m3) |
| | Number 1 | Top structure | Fine sandstone | 0.14 | 2.00 | 70.40 | 17.50 | 20.5 | 10.8 | 63.0 | 2.44 | 61.0 | Well kick | 3.2 | 84.9 | 152.4 | 36.0 | 8.61 | | Number 2 | Top structure | Sandstone | −0.01 | −0.80 | 68.35 | 14.00 | 8.0 | 9.5 | 81.5 | 2.42 | 58.0 | Well kick | 3.3 | 90.8 | 178.1 | 40.0 | 5.08 | | Number 3 | Northeast wing structure | Fine sandstone | −0.02 | 1.52 | 71.00 | 17.50 | 12.0 | 8.5 | 64.5 | 2.43 | 42.0 | Well kick | 3.5 | 98.3 | 187.0 | 40.9 | 5.06 | | Number 4 | Northeast wing structure | Fine sandstone | −0.03 | 1.47 | 72.10 | 12.60 | 12.0 | 9.2 | 70.8 | 2.45 | 48.8 | Gas cut | 3.4 | 77.1 | 163.6 | 41.9 | 4.45 | | Number 5 | Northwest wing structure | Fine sandstone | 0.15 | 2.40 | 68.03 | 11.00 | 30.0 | 11.1 | 81.7 | 2.47 | 46.0 | Well kick | 3.4 | 86.5 | 160.5 | 35.3 | 4.09 | | Number 6 | Northwest wing structure | Medium sandstone | 0.09 | 1.32 | 67.70 | 13.39 | 20.6 | 7.5 | 64.3 | 2.42 | 37.5 | Gas cut | 3.5 | 178.7 | 188.4 | 42.3 | 3.73 | | Number 7 | Southern structure | Medium sandstone | 0.12 | 1.30 | 67.50 | 12.25 | 30.5 | 4.5 | 68.5 | 2.54 | 45.0 | Gas cut | 3.2 | 100.3 | 191.8 | 42.6 | 3.00 | | Number 8 | Southern structure | Fine sandstone | 0.18 | 1.28 | 69.00 | 12.12 | 25.7 | 8.3 | 78.0 | 2.51 | 44.0 | Gas logging abnormal | 3.1 | 55.5 | 109.7 | 25.3 | 2.29 | | Number 9 | Southern structure | Medium sandstone | 0.12 | 1.60 | 67.58 | 10.50 | 9.0 | 6.2 | 82.8 | 2.53 | 29.0 | Well kick | 3.4 | 71.5 | 144.1 | 30.4 | 1.08 | | Number 10 | Southern structure | Sandstone | 0.06 | 0.78 | 71.89 | 11.80 | 26.0 | 5.0 | 80.7 | 2.45 | 54.0 | Well kick | 3.5 | 95.8 | 192.8 | 40.3 | 1.00 | | Number 11 | Southern structure | Sandstone | 0.09 | 0.60 | 68.18 | 15.38 | 6.0 | 6.3 | 82.0 | 2.48 | 32.0 | Well kick | 3.5 | 91.2 | 191.7 | 41.5 | 0.95 | | Number 12 | Southern structure | Fine-medium sandstone | −0.08 | 1.54 | 69.50 | 11.85 | 15.0 | 9.6 | 81.0 | 2.48 | 35.0 | Gas cut | 3.5 | 73.1 | 125.0 | 32.3 | 0.64 | | Number 13 | Southern structure | Fine-medium sandstone | 0.15 | 1.52 | 63.50 | 6.90 | 19.9 | 3.9 | 62.0 | 3.54 | 38.0 | Gas logging abnormal | 3.3 | 93.7 | 173.8 | 42.6 | 0.57 | | Number 14 | Southern structure | Medium sandstone | 0.13 | −0.70 | 67.75 | 11.43 | 17.1 | 5.9 | 60.5 | 2.50 | 39.5 | No display | 3.2 | 61.7 | 118.3 | 25.8 | 0.36 | | Number 15 | Southern structure | Fine-medium sandstone | 0.07 | −1.60 | 66.67 | 7.61 | 18.5 | 5.8 | 69.7 | 2.47 | 20.0 | Gas logging abnormal | 3.5 | 125.8 | 164.8 | 45.4 | 0.12 | | Number 16 | Northeast wing structure | Medium sandstone | 0.13 | 2.30 | 67.75 | 13.25 | 8.1 | 8.0 | 70.8 | 2.44 | 40.0 | Well kick | 3.2 | 61.4 | 107.5 | 23.4 | |
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