钾铵基聚磺钻井液体系在大牛地气田水平井钻井中的应用
投稿时间:2009-03-25  修订日期:2009-04-19  点此下载全文
引用本文:王旭宏.钾铵基聚磺钻井液体系在大牛地气田水平井钻井中的应用[J].钻探工程,2009,36(8):31-33,36.
WANG Xu-hong. Application of Potassium-ammonium Polysulfonate Drilling Fluid System in Horizontal Well of Danudi Gas Field[J]. Drilling Engineering, 2009,36(8):31-33,36.
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王旭宏* 中石化华北分公司开发处 fgswxh@163.com 
中文摘要:大牛地气田水平井钻井中,由于A点前井眼尺寸较大,二叠系石千峰至下石盒子组泥岩普遍存在易水化膨胀、剥落、掉块、垮塌现象,处理复杂情况导致钻井周期长。经过2口水平井的钻井实践,摸索出了适合A点前的钾铵基聚磺钻井液体系,减少了井下复杂情况,提高了钻井效率,缩短了A点前的钻井周期,从而提高了该工区钻进水平井的综合效益。
中文关键词:水平井  “双保”天然高分子钻井液  钾铵基聚磺钻井液  大牛地气田
 
Application of Potassium-ammonium Polysulfonate Drilling Fluid System in Horizontal Well of Danudi Gas Field
Abstract:In drilling of Daniudi gas field, hydrating swelling, spalling, block-falling and collapsing were the common phenomenon in the mudstone of Permian Shiqianfeng formation to lower Shihezi formation, which led to long drilling period. Potassium-ammonium polysulfonate drilling fluid system was found out based on the drilling experience of 2 horizontal wells, with which drilling efficiency was improved.
keywords:horizontal well  natural polymer drilling fluid for both oil/gas reservoir protection  potassium-ammonium polysulfonate drilling fluid  Daniudi gas field
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