埃及苏伊士湾地区埃斯旺油田钻井液情况简介

Brief introduction of drilling fluid in ISSARAN oilfield

埃及苏伊士湾地区埃斯旺油田产层很浅(600～760 m),钻井液使用简单,主要是Gel/Dextrid体系,但在该地区钻井经常出现严重井漏现象。伯劳德钻井液公司采用果壳、云母等最简单的桥接堵漏剂进行堵漏,有一定效果。本文对该地区钻井液特点、常用处理剂、维护方式、井漏处理及钻井液成本进行了介绍。

ISSARAN oilfield is located in Suize Gulf of Egypt with shallow producing formation (600 - 760 m). The drilling fluid is simple with Gel/Dextrid fluid asthe main system, but severe mud loss often occur. Simple plugging materials such as nut-shell and mica were used by BARIOD Drilling Fluid Company and they do some contribution. Characteristics of the drilling fluid used are described and common additives, maintenance of mud, treatment of mud lost circulation and cost of mud are also introduced.