| 涪陵页岩气田水基钻井液技术 |
| 投稿时间：2016-06-15 修订日期：2016-06-15 点此下载全文 |
| 引用本文：孙东营,王武斌,杜明军,等.涪陵页岩气田水基钻井液技术[J].钻探工程,2016,43(7):19-23.SUN Dong-ying,WANG Wu-bin,DU Ming-jun,et al. Water-based Drilling Fluid Technology for Fuling Shale Gas Field[J]. Drilling Engineering, 2016,43(7):19-23. |
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| 中文摘要:涪陵页岩气田属川东南地区川东高陡褶皱带包鸾-焦石坝背斜带焦石坝构造，主要开发上奥陶系五峰组—下志留系龙马溪组页岩气层，岩性主要为灰岩、泥岩、页岩，钻井施工中易漏、易塌、易喷。井型为三开结构水平井，一开、二开采用水基钻井液体系。通过技术研究，确立了以氯化钾、聚胺页岩抑制剂等为主剂的水基钻井液体系，形成了适合涪陵页岩气田勘探开发的浅层气预防、井壁稳定、降摩减扭、防漏堵漏等系列水基钻井液技术，较好地满足了钻井施工要求。 |
| 中文关键词:钻井 水基钻井液 井壁稳定 漏失 润滑 涪陵页岩气田 |
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| Water-based Drilling Fluid Technology for Fuling Shale Gas Field |
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| Abstract:Fuling shale gas field is in high steep fold zone Baoluan-Jiaoshiba anticlinal zone Jiaoshiba texture in the southeast of Sichuan. Upper Ordovician Wufeng formation-the lower Silurian Longmaxi formation was mainly explored, the main lithology are limestone, mudstone and shale, it was prone to leak, slough and blowout in drilling construction. The well was designed to be three-section horizontal structure, water-based drilling fluid was used in the first and second sections. By the technical research, the water-based drilling fluid system is established; taking potassium chloride and polyamine inhibitor as main material, series of water-based drilling fluid technology is formed, which is suitable for Fuling shale gas field exploration and development in shallow gas control, borehole wall stability, friction drag reducing, leakage control and plugging. |
| keywords:drilling water-based drilling fluid wall stability lost circulation lubrication Fuling shale gas field |
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