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An analysis of the uniformity of multi-fracture initiation based on downhole video imaging technology: A case study of Mahu tight conglomerate in Junggar Basin, NW China
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ZANG Chuanzhen,JIANG Hanqiao,SHI Shanzhi,LI Jianmin,ZOU Yushi,ZHANG Shicheng,TIAN Gang,YANG Peng
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Table 3. Fracturing parameters of the test well and horizontal wells in North America
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| Data sources | Injection rate/
(m3·min-1) | The fluid volume
in single stage/m3 | The proppant volume in single stage | Stage
spacing/
m | Cluster spacing/
m | The number of clusters in single stage | The number of perforations in single cluster | Perforation erosion degree/
% | The percentage of stages with heel bias/% | Test well MaHW26X in
Mahu conglomerate
reservoir | 9.3-11.2 | 2 183.2-
3 567.3 | 60.0-
180.0 m3 | 77.3-80.4 | 11.0-18.0 | 6 | 3-8 | 15-352 | 60 | A shale reservoir in
North America [25] | 13.5 | 1 223.0 | 3.0 t/m | 53.4 | 10.7 | 5 | 4-6 | 5-17 | 83 | Wolfcamp shale
reservoir [43] | 12.0-15.0 | | 1.7-2.7 t/m | 60.0-80.0 | | 3-5 | | 50-120 | 66 | Eagle Ford shale
reservoir [30] | | | | 60.0-105.0 | 4.5-6.0 | 10-23 | 1-12 | | 77 |
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