新疆牙哈凝析气田产能变化试井解释

现代地质 ›› 2008, Vol. 22 ›› Issue (5): 824-828.

新疆牙哈凝析气田产能变化试井解释

蒋漫旗¹, 肖香娇² ,李保柱¹ ，胡永乐¹，杨思玉¹,欧阳霆³

1中国石油勘探开发研究院，北京100083；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；
3 中国石油技术开发公司，北京100009

收稿日期:2008-03-04 修回日期:2008-08-24 出版日期:2008-10-20 发布日期:2009-11-12
作者简介:蒋漫旗，男，工程师，1976年出生，油气田开发工程专业，现主要从事与凝析气藏开发相关的研究工作。 Email:jiangmq@petrochina.com.cn。
基金资助:
国家“973”项目（2007CB209500）；中国石油天然气股份有限公司重大科技专项科研基金项目（07-02Z-01）

The Research of Deliverability Well Test Interpretation of Yaha Condensate Gas Reservoir,Xinjiang

1Research Institute of Petroleum Exploration and Development，Petrochina，Beijing100083,China;
2Research Institute of Petroleum Exploration and Development,Tarim Oilfield Company,Petrochina,Kuala，Xinjiang841000，China;
3China Petroleum Technical Development Company，Beijing100009,China

Received:2008-03-04 Revised:2008-08-24 Online:2008-10-20 Published:2009-11-12

摘要/Abstract

摘要：

牙哈凝析气田是目前国内已投入开发的规模最大的整装凝析气田，投产以来开发效果很好。但目前牙哈凝析气田全面进入反凝析生产阶段，提气稳产的效果受到很大的影响，生产过程中的矛盾逐渐暴露。使用现代试井解释方法，应用KAPPA公司的Saphir试井解释软件对牙哈凝析气田9口生产井历次压力恢复试井、产能试井进行了试井解释，分析了牙哈凝析气田产能变化规律及反凝析现象对产能变化的影响，得出以下结论：（1）一般储层渗透率为20×10^-3 μm²，测试点测试产量在25万m³时，为产能测试曲线出现负斜率的分界线；（2）反凝析现象的存在造成试井解释模型多采用径向复合油藏模型。这些对正确认识气藏开发动态及生产特征、加强动态监测技术研究、获得良好的注气效果和显著经济效益起着重要的指导作用。

关键词: 凝析气藏, 反凝析, 试井解释, 产能, 压力恢复

Abstract:

Yaha condensate gas reservoir of Xinjiang is the biggest gas reservoir explored in our country, and it has developed very well since it was put into production. Yaha condensate gas reservoir is in the period of complete retrograde condensation now, when the production is affected greatly, and the contradiction in the course of production has also been exposed gradually. This paper used the way of modern well test, and the well test interpretation software of Saphir of KAPPA corporation to analyse 9 wells’ build-up testings of pressure, deliverability testing data of the Yaha condensate gas,the rules of deliverability and the effect of retrograde condensation on deliverability. We draw the conclusions as follows: （1）when the permeability in the reservoir is higher than 20×10^-3μm² and the tested production is more than 250 thousand cubic meters,negative slope appears; （2）because of retrograde condensation effect, most of the well test models are the radial composite models. These conclusions will play an important role on understanding the gas field production performance,enhancing the research of dynamic detection technology,and gaining the good gas injection and remarkable economic benefit.

Key words: condensate gas reservoir, retrograde condensation, well test interpretation, deliverability, build-up of pressure

中图分类号:

TE349

蒋漫旗肖香娇李保柱胡永乐杨思玉欧阳霆. 新疆牙哈凝析气田产能变化试井解释[J]. 现代地质, 2008, 22(5): 824-828.

JIANG Man-Qi Xiao Xiang-Jiao LI Bao-Zhu HU Yong-Le YANG Sai-Yu OU Yang-Ting. The Research of Deliverability Well Test Interpretation of Yaha Condensate Gas Reservoir,Xinjiang[J]. Geoscience, 2008, 22(5): 824-828.

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