塔里木盆地T井地层测试资料的应用研究

新疆石油地质 ›› 1995, Vol. 16 ›› Issue (1): 58-63.

塔里木盆地T井地层测试资料的应用研究

王新海, 夏位荣, 刘建勋, 张廷星

江汉石油学院地质系湖北江陵 434102

收稿日期:1994-06-07 出版日期:1995-03-01 发布日期:2020-07-28
作者简介:王新海: 讲师油藏工程

STUDY ON APPLICATION OF FORMATION TEST DATA AT WELL T IN TARIM BASIN

Wang Xinhai, Xia Weirong, Liu Jianxun, Zhang Yanxing

Lecturer, Reservoir Engineering, Department of Geology, Jianghan Petroleum Institute, Jiangling, Hubei 434102

Received:1994-06-07 Online:1995-03-01 Published:2020-07-28

摘要/Abstract

摘要： 对塔里木盆地Ｔ井地层测试资料的应用研究表明, 凝析油在降压条件下极易从地层中析出, 析出的部分油被吸附于岩石表面而无法采出, 引起产能降低, 因此对凝析油藏必须保压开采。压力系统不同的各油层在混合开采中会引起油气从高压层向低压层倒灌, 从而降低混合开采的总产能, 在这种情况下应分层单列井网开采。对于垂直渗透率接近水平渗透率的油层宜钻水平井来提高产能。井斜角大于40°的斜井在任何条件下的产能都比直井高。

关键词: 塔里木盆地, 地层测试, 试井解释

Abstract: The application of formation test data at Well T in Tarim basin is examined, indicating that condensate gas readily condensed and dropped out in the reservoir when pressure was lowered, part of it couldn't be produced to the surface because it was adsorbed on the surface of rock, causing a drop in its productivity. Thus .condensate gas reservoir must be produced at stabilized pressure. When gavs and condensate mixtures are produced from individual layers in different pressure systems, it may cause influx of fluid in the high pressure bed back into the low pressure bed.reducing the overall productivity of gas and condensate mixture. In this case, individual beds should be produced using different well patterns. For the oil reservoir with vertical permeability similar to horizontal permeability, if is suitable to improve its productivity by means of horizontal well technology. Under all circumstances, deviated well with hole deviation of over 40° has a higher productivity than vertical well.

Key words: Tarim basin, Formation test, Well test interpretation

王新海, 夏位荣, 刘建勋, 张廷星. 塔里木盆地T井地层测试资料的应用研究[J]. 新疆石油地质, 1995, 16(1): 58-63.

Wang Xinhai, Xia Weirong, Liu Jianxun, Zhang Yanxing. STUDY ON APPLICATION OF FORMATION TEST DATA AT WELL T IN TARIM BASIN[J]. Xinjiang Petroleum Geology, 1995, 16(1): 58-63.

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