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川东深井固井技术
引用本文:刘德平,付华才,吴林龙,何仕宝.川东深井固井技术[J].钻采工艺,2005,28(1):16-17.
作者姓名:刘德平  付华才  吴林龙  何仕宝
作者单位:四川石油管理局川东钻探公司
摘    要:川东地区地质情况复杂,上部地层为低压漏失层,裂缝、溶洞发育,下部为高压气层,气产量大、关井 压力高、硫化氢含量高,同一裸眼中气显示层段多、压力系统复杂、高低压力同存。针对川东复杂地质情况固井采 用正反注水泥技术、分级注水泥技术、平衡压力固井技术、抗盐水泥浆体系等固井工艺技术,确保了川东深井复杂 井固井质量,固井质量合格率100%。

关 键 词:钻井  深井  固井工艺
文章编号:1006-768X(2005)01-0016-02
修稿时间:2004年1月19日

Cementing Technology for Deep Wells in Eastern Sichuan
LIU Deping,FU Huacai,WU Linlong and HE Shibao.Cementing Technology for Deep Wells in Eastern Sichuan[J].Drilling & Production Technology,2005,28(1):16-17.
Authors:LIU Deping  FU Huacai  WU Linlong and HE Shibao
Abstract:The geologic condition of eastern Sichuan area is very complex. Its upper formation is low - pressure lost -circulation zone with growing fractures and karst caves, while its lower part is high - pressure gas - bearing formation characterized by high gas production rate, high shut - in well pressure and high hydrogen sulfide content. In addition, gas show happens in several zones whose pressure system is very complicated as well as high and low pressure coexisting in one open hole. Aiming at these complex conditions, forward and reverse cementing technology, multiple stage cementing technology, balanced - pressure cementing technology and salt -resisting cementing technology are adopted. By which, the cementing quality in eastern Sichuan have been guaranteed and their qualification rate is 100% .
Keywords:geologic characteristics  cementing difficulties  cementing technology  
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