Application of a well testing simulation technique in productivity evaluation of well-X1 in high temperature and high pressure reservoir

Lei Xiao; Li Shusong; Wang Wenjuan; Zhang Fengbo; He Zhihui; Ma Shuai

doi:10.13809/j.cnki.cn32-1825/te.2019.02.004

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Application of a well testing simulation technique in productivity evaluation of well-X1 in high temperature and high pressure reservoir

更新时间：2025-12-05

- Application of a well testing simulation technique in productivity evaluation of well-X1 in high temperature and high pressure reservoir
- Petroleum Reservoir Evaluation and Development Vol. 9, Issue 2, Pages: 17-20(2019)
- 作者机构：
  
  中海石油（中国）有限公司湛江分公司,广东,湛江,524057
- 作者简介：
- 基金信息：
- DOI：10.13809/j.cnki.cn32-1825/te.2019.02.004
  CLC： E373
- Published：2019
- 稿件说明：
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Lei Xiao, Li Shusong, Wang Wenjuan, et al. Application of a well testing simulation technique in productivity evaluation of well-X1 in high temperature and high pressure reservoir[J]. Petroleum Reservoir Evaluation and Development, 2019, 9(2): 17-20.
DOI：

Lei Xiao, Li Shusong, Wang Wenjuan, et al. Application of a well testing simulation technique in productivity evaluation of well-X1 in high temperature and high pressure reservoir[J]. Petroleum Reservoir Evaluation and Development, 2019, 9(2): 17-20. DOI： 10.13809/j.cnki.cn32-1825/te.2019.02.004.

摘要

南海高温高压气井产能测试分析存在机械变表皮无法计算导致产能方程负异常的问题

导致无法有效评价高温高压气井无阻流量。提出以高温高压气井变表皮分析技术和试井模拟产能评价技术为主的高温高压气井试井模拟技术

计算储层真实污染情况

并根据试井模拟产能测试的流压、产量等进行无阻流量计算

消除了高温高压气井产能方程的负异常

进而确定高温高压气井的产能。高温高压气井试井模拟技术成功应用于南海高温高压气藏X1井

有效指导了气田配产。

Abstract

The following problems stood out in the deliverability tests and analysis of gas wells with high temperature and high pressure（HTHP） in South China Sea. Firstly

it was unable to accurately calculate the variable mechanical skin factors

resulting in the negative slope of deliverability equation

bringing about inaccurate calculation of the absolute open flow of HTHP gas wells. One new simulation technique

mainly consisting of variable skin analysis and productivity numerical simulation

for HTHP gas wells was proposed

and then the real damage could be evaluated accurately. In addition

the absolute open flow of HTHP gas wells was calculated based on flowing pressure and rates data in deliverability test simulation

eliminating the negative slope of deliverability equation. This simulation technique had been applied successfully well-X1 of HTHP gas reservoir in South China Sea

providing guidance for gas field production.

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