束缚水和衰竭速度对凝析油临界流动饱和度的影响

新疆石油地质 ›› 2006, Vol. 27 ›› Issue (4): 456-458.

束缚水和衰竭速度对凝析油临界流动饱和度的影响

孙风景¹, 郭平¹, 杜建芬¹, 江同文², 王小强², 廖发明²

1.西南石油大学, 成都 610500;
2.中国石油塔里木油田分公司勘探开发研究院, 新疆库尔勒 841000

收稿日期:2005-10-31 修回日期:2005-12-08 出版日期:2006-08-01 发布日期:2020-10-19
作者简介:孙风景(1977-), 男, 江苏兴化人, 在读博士研究生, 油气田开发,(Tel) 13084444249(M)(E-mail) sfj51@sina.com.
基金资助:
国家“十五”攻关计划,凝析气藏渗流物理特征研究(2004BA616A02-03-03)资助

The Influences of Irreducible Water and Depletion Rate on Critical Flow Saturation of Gas Condensate

SUN Feng-jing¹, GUO Ping¹, DU Jian-fen¹, JIANG Tong-wen², WANG Xiao-qiang², LIAO Fa-ming²

1. Southwest Petroleum University, Chengdu, Sichuan 610500, China;
2. Research Institute of Exploration and Development, Tarim Oilfield Company, PetroChina, Korla, Xinjiang 841000, China

Received:2005-10-31 Revised:2005-12-08 Online:2006-08-01 Published:2020-10-19

摘要/Abstract

摘要： 近年来国内外对凝析油临界流动饱和度进行了大量的研究,研究方法和手段的差异造成研究结果存在很大的差异,甚至相反。利用自行建立的超声波测试系统进行了5次凝析油临界流动饱和度测试,包括两组考虑束缚水影响的对比实验和一组考虑衰竭速度影响的对比实验。实验结果显示,凝析油临界流动饱和度比较低,大约在百分之十左右;高的衰竭速度测得的凝析油临界流动饱和度比低衰竭速度低,这表明高的衰竭速度有利于地层凝析油的流动;束缚水的存在降低了凝析油临界流动饱和度。

关键词: 临界流动, 饱和度, 超声波, 束缚水

Abstract: In recent years, the massive researches about critical flow saturation of gas condensate have been made at home and abroad. However, the results from different methods and tools showed big differences and even opposite ones among them. The self-developed ultrasonic wave test system is used to make five tests on gas condensate critical flow saturation in this paper, including two groups of contrast experiments considering the irreducible water influence and a group of contrast experiment considering depletion rate influence. The experimental results show that the gas condensate critical flow saturation is generally low, approximately about 10%, and the saturation at high depletion rate is lower than that at low depletion rate, which indicates that the high depletion rate is advantageous to flow of in-situ gas condensate; the existence of irreducible water can reduce the gas condensate critical flow saturation.

Key words: critical flow, saturation, ultrasonic wave, irreducible water

中图分类号:

TE372

孙风景, 郭平, 杜建芬, 江同文, 王小强, 廖发明. 束缚水和衰竭速度对凝析油临界流动饱和度的影响[J]. 新疆石油地质, 2006, 27(4): 456-458.

SUN Feng-jing, GUO Ping, DU Jian-fen, JIANG Tong-wen, WANG Xiao-qiang, LIAO Fa-ming. The Influences of Irreducible Water and Depletion Rate on Critical Flow Saturation of Gas Condensate[J]. Xinjiang Petroleum Geology, 2006, 27(4): 456-458.

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