气顶油藏开发技术对策探讨

doi:10.3863/j.issn.1000-2634.2002.03.015

西南石油大学学报(自然科学版) ›› 2002, Vol. 24 ›› Issue (3): 54-57.DOI: 10.3863/j.issn.1000-2634.2002.03.015

气顶油藏开发技术对策探讨

王昱¹ 钟仪华²

(1.西南石油学院成人教育学院,四川南充 637001; 2.西南石油学院计算机科学学院)

收稿日期:2001-09-26 修回日期:1900-01-01 出版日期:2002-06-30 发布日期:2002-06-30
通讯作者: 王昱

TECHNICAL STRATEGY DISCUSSION FOR GAS-CAP RESERVOIR DEVELOPMENT

WANG Yu¹ ZHONG Yi-hua².

(Southwest Petroleum Institute, Nanchong Sichuan 637001, China)

Received:2001-09-26 Revised:1900-01-01 Online:2002-06-30 Published:2002-06-30
Contact: WANG Yu

摘要/Abstract

摘要： 气顶油藏的开发方式多种多样,影响开发动态预测的因素较多。从气顶油藏开发基本原则出发,针对开发中所遇到的主要技术问题,利用实际资料进行模拟开发,就构造几何形态、层间连通性等地质工程因素和开发方式、注采比、气顶气投产时机、采油速度、油气界面附近油井配产等开发技术政策因素,对原油采收率的影响进行了定量化研究,并首次对原油损失问题进行了模拟计算和探讨,提出了气顶油藏开发采取的几个技术对策:完善油区注采系统,注意油气协调开发;开发次序应先开采油环油,4年后动用气顶气;降低GOC附近油井配产,可收到较好的效果;当气顶气储量相对较大时,采取气顶、油区同时开发的方式。

关键词: 气顶油藏, 开发方式, 技术对策

Abstract: There are a variety of development schemes that can be used to exploit gas-cap reservoir, and there are many factors to influence its production performance. According to the basic de-velopment rules of gas-cap reservoir, based on the realfield data, we studied the reasonable development scheme, injection-pro-duction ratio, recovery rate, oil rate of well adjacent to GOC
and the optimum time to produce gas-cap gas. For the first time, the oil loss was calculated and discussed. As a result, a couple of development policy for gas-cap reservoir were present-ed:①The injection-production system should be improved and the gas and oil should produced evenly;②The oil in oil ring
must be first produced, then the gas in gas-cap can be produced 4 years later;③The oil well adjacent to GOC should be put in- to production at a low rate;④The gas and oil should be pro-duced simultaneously if the gas reserve in gas-cap is relatively larger than that of oil.

Key words: gas-cap reservoir, development policy, tech-nical strategy

中图分类号:

TE349

王昱钟仪华. 气顶油藏开发技术对策探讨 [J]. 西南石油大学学报(自然科学版), 2002, 24(3): 54-57.

WANG Yu ZHONG Yi-hua.. TECHNICAL STRATEGY DISCUSSION FOR GAS-CAP RESERVOIR DEVELOPMENT[J]. 西南石油大学学报(自然科学版), 2002, 24(3): 54-57.

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气顶油藏开发技术对策探讨

TECHNICAL STRATEGY DISCUSSION FOR GAS-CAP RESERVOIR DEVELOPMENT

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