西南石油大学学报(自然科学版) ›› 2009, Vol. 31 ›› Issue (1): 78-80.DOI: 10.3863/j.issn.1674-5086.2009.01.019

• 石油与天然气工程 • 上一篇    下一篇

疏松砂岩临界出砂压差的计算方法研究及应用

王彦利1 陈小凡2 邓生辉3 霍东英4 马成龙5   

  1. 1.中国海洋石油有限公司湛江分公司研究院，广东湛江524000；2.“油气藏地质及开发工程”国家重点实验室;西南石油大学,四川成都610500；3.吐哈油田石油工程技术研究院采油所，新疆鄯善838202；4.大庆油田公司第四采油厂规划设计研究所，黑龙江大庆163511；5.辽河油田分公司兴隆台采油厂，辽宁盘锦124010
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-02-20 发布日期:2009-02-20

THE CALCULATION METHOD STUDY AND APPLICATION OF THE CRITICAL SAND PRODUCTION PRESSURE DIFFRENCE IN LOOSE SANDSTONE

WANG Yan-li1 CHEN Xiao-fan2 DENG Sheng-hui3 HUO Dong-ying4 MA Cheng-long5

  

  1. 1.Zhanjiang Branch of CNOOC Ltd,Zhanjiang Guangdong 524000，China；2.State Key Laboratory of 0il/Gas Reservoir Geology and Exploitation，Southwest Petroleum University,Chengdu Sichuan 610500，China；3.Petroleum Engineering Technology Institute of Tuha Oilfield,Shanshan Xinjiang 838202,China；4.Planning Design and Research Institute of the 4th Oil Production Plant，Daqing Oilfield Company,Daqing Heilongjiang 163511，China；5.Xinglongtai Oil Production Plant of Liaohe Oilfield Company,Panjin Liaoning 124010,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-02-20 Published:2009-02-20

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摘要：

提高气田开采速度与控制地层出砂之间的矛盾已逐渐成为困扰疏松砂岩气田开发的主要问题之一。准确预测气层出砂的临界生产压差，以此作为气井配产的重要依据之一，对气井测试及开采具有重要的现实意义。对疏松砂岩气田的出砂机理进行了全面分析，利用测井资料计算岩石力学参数，并运用Mohr-Coulomb破坏准则计算气井出砂的临界生产压差。通过对比S气田多口气井实际出砂生产压差与计算的临界出砂生产压差，其符合程度较高，表明该方法合理，对疏松砂岩气田合理生产压差的确定具有指导意义。

关键词: 疏松砂岩, 气层出砂, 临界生产压差, 测井曲线, 方法应用

Abstract:

The contradiction between improving gas field production rate and controlling formation sand production has become the one of the main problems which restain the gas field exploitation in loose sandstone.To gas well testing and exploiting,it is of important significance that the critical production pressure difference of gas formation sand production is precisely predicted,which is taken as the one of important factors of gas well allocation.The mechanism of sand production in loose sandstone gas field is analyzed in detail,well logging data is used to calculate lithologic mechanics parameters,and also,MohrCoulomb destroyment criterion is used to calculate critical production pressure diffrence of gas well sand production.By comparing the productional sand production pressure diffrence of several wells in S gas field with the calculated critical sand production pressure diffrence,it is found that there is a quite promise coinsidence,which suggests that the method is reasonable and is meaningful for determing reasonable production pressure difference in loose sandstone gas field.

Key words: loose sandstone, gas formation sand production, critical production pressure difference, well logging curve, method application

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