Petroleum Reservoir Evaluation and Development ›› 2023, Vol. 13 ›› Issue (3): 330-339.doi: 10.13809/j.cnki.cn32-1825/te.2023.03.008
• Comprehensive Research • Previous Articles Next Articles
Received:
2023-01-03
Online:
2023-06-26
Published:
2023-06-26
CLC Number:
LU Bi,HU Chunfeng,MA Jun. Influencing factors and countermeasures of inter-well interference of fracturing horizontal wells in Nanchuan shale gas field[J].Petroleum Reservoir Evaluation and Development, 2023, 13(3): 330-339.
Table 1
Inter-well distance statistics of interference wells under different well pattern types"
类型 | 井号 | 空间距离/m | 平面距离/m | 垂向距离/m |
---|---|---|---|---|
平行井网 | SY2-2HF | 240 | 228 | 74 |
SY14-7HF | 348 | 338 | 86 | |
SY14-8HF | 260 | 258 | 33 | |
SY2HF | 350 | 332 | 109 | |
SY2HF | 334 | 319 | 97 | |
JY199-1HF | 285 | 273 | 82 | |
JY195-1HF | 308 | 282 | 114 | |
JY195-2HF | 254 | 251 | 78 | |
JY197-2HF | 280 | 279 | 24 | |
SY12-2HF | 195 | 189 | 47 | |
SY12-3HF | 259 | 257 | 30 | |
SY12-1HF | 363 | 362 | 22 | |
首尾相邻 | SY12-1HF | 145 | 145 | 14 |
SY2-12HF | 93 | 93 | 4 | |
SY2-12HF | 212 | 212 | 9 | |
SY2-3HF | 263 | 262 | 31 | |
SY14-5HF | 299 | 298 | 22 | |
SY14-5HF | 192 | 191 | 20 | |
SY14-5HF | 185 | 180 | 44 | |
SY1HF | 253 | 247 | 50 | |
SY1HF | 291 | 288 | 43 | |
SY1HF | 180 | 180 | 2 | |
SY20-2HF | 405 | 405 | 12 | |
JY195-5HF | 456 | 454 | 41 | |
上下气层 | SY14-S1HF | 236 | 221 | 82 |
SY14-S1HF | 101 | 9 | 101 | |
JY197-21HF | 161 | 99 | 128 | |
交错井网 | SY9-1HF | 361 | 333 | 139 |
Table 2
Production data before and after different types of mother well interference"
类型 | 序号 | 井号 | 压窜前产量/ 104 m3 | 复产产量/ 104 m3 | 恢复期/ d |
---|---|---|---|---|---|
压裂期间 连续生产 | 1 | SY2-2HF | 8.5 | 3.7 | 119 |
2 | SY14-7HF | 7.1 | |||
3 | SY12-1HF | 2.0 | 1.6 | 151 | |
4 | SY12-1HF | 2.0 | 1.6 | 121 | |
6 | SY2-12HF | 6.2 | 4.5 | 72 | |
7 | SY2-12HF | 6.2 | 4.5 | 82 | |
平均 | 5.3 | 3.2 | 109 | ||
压窜至气量 为0时关井 | 1 | SY9-1HF | 7.3 | 5.1 | 108 |
2 | SY2-3HF | 5.4 | 5.4 | 8 | |
3 | SY14-8HF | 9.8 | 6.6 | 140 | |
4 | SY14-S1HF | 2.3 | 1.6 | 95 | |
平均 | 6.2 | 4.7 | 88 | ||
压裂前提前 关井 | 1 | SY2HF | 5.0 | 4.9 | 3 |
2 | SY12-2HF | 2.7 | 2.0 | 2 | |
3 | SY12-3HF | 1.5 | 1.9 | 1 | |
4 | SY14-5HF | 15.8 | 15.8 | 6 | |
5 | SY1HF | 1.5 | 1.6 | 2 | |
6 | SY20-2HF | 2.5 | 3.0 | 5 | |
7 | JY199-1HF | 3.1 | 6.4 | 2 | |
8 | JY195-1HF | 3.9 | 6.5 | 32 | |
9 | JY195-2HF | 1.8 | 2.1 | 2 | |
10 | JY195-5HF | 1.8 | 1.9 | 48 | |
11 | JY197-2HF | 3.4 | 5.0 | 18 | |
12 | JY197-21HF | 5.7 | 4.8 | 2 | |
平均 | 4.1 | 4.7 | 11 |
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