Formulation of production plan in overpressure shale gas reservoir

Zhang Lina; Liu Xin; Zhang Yaozu

doi:10.13809/j.cnki.cn32-1825/te.2018.04.015

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Formulation of production plan in overpressure shale gas reservoir

更新时间：2025-12-05

- Formulation of production plan in overpressure shale gas reservoir
- Petroleum Reservoir Evaluation and Development Issue 4, Pages: 73-76(2018)
- 作者机构：
  
  1. 中国石化华东油气分公司
  2. 中国石油大学胜利学院
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2018.04.015
  CLC： P618.13
- Published：2018
- 稿件说明：
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[1]张莉娜,刘欣,张耀祖.平桥区块页岩气藏合理配产及关井恢复研究[J].油气藏评价与开发,2018,8(04):73-76.

Zhang Lina, Liu Xin, Zhang Yaozu. Formulation of production plan in overpressure shale gas reservoir[J]. Petroleum Reservoir Evaluation and Development, 2018, (4): 73-76.
[1]张莉娜,刘欣,张耀祖.平桥区块页岩气藏合理配产及关井恢复研究[J].油气藏评价与开发,2018,8(04):73-76. DOI： 10.13809/j.cnki.cn32-1825/te.2018.04.015.

Zhang Lina, Liu Xin, Zhang Yaozu. Formulation of production plan in overpressure shale gas reservoir[J]. Petroleum Reservoir Evaluation and Development, 2018, (4): 73-76. DOI： 10.13809/j.cnki.cn32-1825/te.2018.04.015.

摘要

随着全球能源消费结构的调整和页岩气勘探技术的进步

加之页岩气的清洁特性

页岩气藏的合理开发成了研究的热门方向。如何制定高效、稳定的气藏开发方案至关重要。以平桥页岩气藏为研究目标

利用CMG软件建立双重介质压裂水平井模型

分别模拟配产、关井压力恢复时间对页岩气藏开发效果的影响。分析认为

不同压裂效果的井合理配产不同

压裂改造效果越差

合理配产越小

最终采收率低、稳产时间短。当气井稳产结束时可适当关井20

0天

进行压力、日产水平的恢复。总结得出

配产制度、压裂改造效果对超压页岩气开发的作用最大

提高压裂改造区渗流能力、合理配产是高产、稳产的关键。

Abstract

By the adjustment of the global energy consumption structure

the progress of shale gas exploration technology and the clean feature of shale gas

the rational development of shale gas reservoir has been the popular research direction. Therefore

how to make efficient and stable development plan of gas reservoir is very important. Taking the shale gas reservoir in Pingqiao as the research target

we established the horizontal fracturing well models with duel media by the software CMG to simulate the influence of the production allocation and recovery time after shut in on the development effect. The analysis suggests that different fracturing effects need different rational production allocation. The worse the fracturing rec

onstruction effect is

the lower the rational production will be

along with that are lower final recovery ratio and shorter stable production time. After the stable production period

the wells could be shut in for 20

30 days in order to recover the pressure and daily production. It is concluded that the allocation system and fracture effects affect mostly on the overpressure shale gas development. The key of the high and stable production is to improve the seepage capacity and reasonable distribution in the fracturing reconstruction region.

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