气田开发

疏松砂岩气藏出砂机理研究

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  • [1]西南石油大学; [2]中国石油勘探开发研究院廊坊分院天然气成藏与开发重点实验室; [3]中国石油青海油田分公司; 四川成都; 河北廊坊; 甘肃敦煌;

网络出版日期: 2006-06-20

STUDY ON SANDING MECHANISM OF UNCONSOLIDATED SANDSTONE GAS RESERVOIR

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  • 1.Southwest Petroleum University,Chengdu 610500,China;2.Key Laboratory of Gas Reservoir Formation and Development,Langfang Branch of Research Institute of Exploration and Development,CNPC,Langfang 065007,China;3.Qinghai Oilfield Branch,PetroChina,Dunhuang 736202,China

Online published: 2006-06-20

摘要

柴达木盆地东部的涩北气田为第四系浅层生物气田,其储层岩石成岩性差,疏松易散,开采时易出砂,影响生产。通过系列室内岩心实验,分析了涩北气田储层岩石的颗粒和孔隙结构特征、岩石力学性质,采用物理模拟方法研究了涩北气田的出砂机理及其影响因素,结果表明,岩石强度是决定储层是否出砂的决定性因素,岩石破坏时将大量出砂,而气田在控制压差生产条件下岩石未产生破坏时的出砂形式主要为微粒运移,孔隙越大,越容易产生微粒运移出砂。

本文引用格式

朱华银;陈建军;李江涛;胡勇; . 疏松砂岩气藏出砂机理研究[J]. 天然气地球科学, 2006 , 17(3) : 296 -299 . DOI: 10.11764/j.issn.1672-1926.2006.03.296

Abstract

Sebei-gas-field which is located in east of Qaidam basin is the 4th department of shallow layer biogenic gas field.The reservoir rock’s consolidated is bad, the reservoir is loose,and sanding easily when producing which will influence the gas field’s development.By laboratory core experiments,Sebei-gas-field reservoir’s rock grain,pore structure and properties of rock mechanics were studied in the thesis.The paper also studies the sanding mechanism in Sebei-gas-field and affecting factors by physical simulation.

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