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1前言克深2-2-4井是塔里木油田分公司库车勘探开发项目部部署在克拉气田克深2井区中部的一口开发井,属典型的山前构造(库车凹陷克拉苏构造带)。塔里木盆地库车山前井区是世界上油气勘探开发难度最大的地区之一,这里地层错综复杂,压力系数高,地层倾角大,井下高温、高密度和高含盐地层给钻井带来诸多难题的同时,对泥浆技术的要求也是精益求精。2地质资料该井实钻地层从上至下依次为第四系、新近系(库车组、康村组、吉迪克组),古近系(苏维依组、库姆格列木群)。
1 Foreword Ke Shen 2-2-4 Well is a development well deployed in the central part of Ke Shen 2 well in Kela Gas Field, which is a typical piedmont structure (Kelasu structural belt in Kuqa depression ). The Kuqa Shanqian well in the Tarim Basin is one of the most difficult areas for oil and gas exploration and development in the world. Here the formation is complex, the pressure coefficient is high, the dip of the formation is large, and the high temperature, high density and salt-bearing formations in the Tarim Basin bring many difficulties to the drilling At the same time, the requirements of mud technology is also excellence. 2 Geological data The well drilling formations from the top to the bottom are Quaternary, Neogene (Kucha Formation, Kangcun Formation, Jidike Formation), Paleogene (Suweiyi Formation, Kumugemiu Group) .