Petroleum Reservoir Evaluation and Development ›› 2021, Vol. 11 ›› Issue (3): 404-413.doi: 10.13809/j.cnki.cn32-1825/te.2021.03.016
• Integration Evaluation and Development • Previous Articles Next Articles
WU Haoqiang(),PENG Xiaolong(),ZHU Suyang,TANG Jiehong,WANG Chaowen,DENG Peng
Received:
2020-10-27
Online:
2021-06-22
Published:
2021-06-24
Contact:
PENG Xiaolong
E-mail:2207909538@qq.com;peng_xl@126.com
CLC Number:
WU Haoqiang,PENG Xiaolong,ZHU Suyang,TANG Jiehong,WANG Chaowen,DENG Peng. Economic decision of shale reservoir based on numerical simulation and integration of reservoir development and management[J].Petroleum Reservoir Evaluation and Development, 2021, 11(3): 404-413.
Table 1
Statistic of properties of shale reservoir in work area"
油藏性质 | 取值 | 油藏性质 | 取值 |
---|---|---|---|
原油相对密度 (g/cm3) | 0.870 6 | 原始地层压力 (MPa) | 42.73 |
原油平均黏度 (mPa·s) | 15.57 | 地层水水型 | CaCl2型 |
原油平均蜡含量(%) | 28 | 地层水矿化度(mg/L) | 11 983 |
原油平均胶含量(%) | 26.5 | 原油饱和压力(MPa) | 11.34 |
储层平均孔隙度(%) | 3.9 | 溶解汽油比(m3/m3) | 46 |
储层平均埋深(m) | 4 100 | 储层平均渗透率 (10-3 μm 2) | 0.8 |
岩石平均脆性指数 | 72.4 | 储层有效厚度(m) | 90 ~ 110 |
油藏压力系数 | 0.97 ~ 1.10 | 油藏温度梯度 (℃/100 m) | 2.86 ~ 3.12 |
原油地质储量 (108m3) | 0.728 | 原油储量丰度 (104t/km2) | 559.17 |
Table 2
Designs of combined development scheme"
方案模式 | 井数 | 井型 | 改造形式 | 开发单元 | 部署时间(a) | 采油速度(%) | 合理配产(m3/d) | 标定采收率(%) |
---|---|---|---|---|---|---|---|---|
衰竭式+CO2驱替 | 205 | 水平井+直井 | 体积压裂 | E1,E3,E5 | 10 ~ 20,5 ~ 15,1 ~ 10 | 1.2 | 25 ~ 30 | 15 ~ 20 |
衰竭式+CH4驱替 | ||||||||
衰竭式+N2驱替 | ||||||||
衰竭式+CO2吞吐 | 185 | 水平井 | 体积压裂 | E1,E3,E5 | 10 ~ 20,5 ~ 15,1 ~ 10 | 1.2 | 25 ~ 30 | 15 ~ 20 |
衰竭式+ CO2吞吐+ CO2驱替 | 205 | 水平井+直井 | 体积压裂 | E1,E3,E5 | 10 ~ 20,5 ~ 15,1 ~ 10 | 1.2 | 25 ~ 30 | 15 ~ 20 |
衰竭式+ CO2吞吐+ CH4驱替 |
Table 3
Cost factors specially considered in shale reservoir development"
类别 | 项目 | 金额 |
---|---|---|
压裂投资 | 设备动迁费(元) | 1 000 |
现场配液费(元) | 1 500 | |
材料费(元) | 200 | |
运输费(万元/井) | 50 | |
人工费(万元/井) | 60 | |
举升投资 | 井口装置费(万元/井) | 80 |
年防蜡防胶费用(万元/井) | 100 | |
井下装置费(万元/井) | 100 | |
注气费用 | 注CO2(元/t) | 500 |
注N2(元/t) | 1 200 | |
注烃类气(元/m3) | 0.5 | |
注CO2,CH4压缩机(万元/台) | 30 | |
注N2压缩机(万元/台) | 20 | |
产液处理 | 采油气费用(元/m3) | 440 |
污水处理(元/m3) | 50 |
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