新疆石油地质

新疆石油地质 ›› 2006, Vol. 27 ›› Issue (4): 481-483.

• 应用技术 • 上一篇    下一篇

低渗透气藏修正等时试井资料处理新方法

张宗林1, 张振文1, 胡建国2   

  1. 1.中国石油 长庆油田分公司 第一采气厂, 陕西 靖边 718500;
    2.中国石化 石油勘探开发科学研究院, 北京 100083
  • 收稿日期:2005-11-03 修回日期:2005-12-31 出版日期:2006-08-01 发布日期:2020-10-19
  • 作者简介:张宗林(1965-), 男, 甘肃静宁人, 高级工程师, 油气田开发,(Tel) 029-86505599(E-mail) zzl_cq@petrochina.com.cn.

A New Method for Processing of Modified Isochronal Well Test Data in Low Permeability Gas Reservoir

ZHANG Zong-lin1, ZHANG Zhen-wen1, HU Jian-guo2   

  1. 1. No.1 Production Plant, Changqing Oilfield Company, PetroChina, Jingbian, shaanxi 718500, China;
    2. Research Institute of Petroleum Exploration and Development, Sinopec, Beijing 100083, China
  • Received:2005-11-03 Revised:2005-12-31 Online:2006-08-01 Published:2020-10-19

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摘要： 修正等时试井在气田产能评价中发挥了相当重要的作用。对于低渗透气藏,气井延续流量阶段的流压很难达到平稳,同时不同时间二项式方程的系数B难以保持常数,制约了修正等时试井的应用。建立了适合低渗透气藏修正等时试井资料处理新方法,通过应用实例的对比,该方法得到的结果较常规方法更精确、更可靠。

关键词: 低渗透气藏, 气藏, 试井, 方法

Abstract: Modified isochronal well test plays an important role in productivity evaluation of gas field. For low permeability gas reservoir, it is difficult to keep the bottom hole flowing pressure stable in the stage of continuing flowing of gas well. At the same time, it is also difficult for coefficient B of turbulent flow equation with different time to maintain constant, hence the application of modified isochronal well test is confined. In this paper, the new method for processing of modified isochronal well test data for low permeability gas field was established. By application and case comparison, the results show that this method is more accurate and reliable than existing conventional approaches.

Key words: low permeability reservoir, gas reservoir, well testing, method

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