一种生物合成基钻井液在长宁气田的应用

doi:10.11885/j.issn.1674-5086.2018.12.21.01

西南石油大学学报(自然科学版) ›› 2020, Vol. 42 ›› Issue (1): 133-139.DOI: 10.11885/j.issn.1674-5086.2018.12.21.01

一种生物合成基钻井液在长宁气田的应用

范宇¹, 钟成旭¹, 牟乃渠², 金鑫³, 吴鹏程¹

1. 中国石油西南油气田公司页岩气研究院, 四川成都 610000;
2. 四川长宁天然气开发有限责任公司, 四川宜宾 644000;
3. 安东石油技术有限公司, 北京朝阳 100102

收稿日期:2018-12-21 出版日期:2020-02-10 发布日期:2020-02-10
通讯作者: 范宇,E-mail:fanyu@petrochina.com.cn
作者简介:范宇,1979年生,男,汉族,四川成都人,高级工程师,主要从事页岩气工程技术研究和管理工作。E-mail:fanyu@petrochina.com.cn;钟成旭,1984年生,男,汉族,四川成都人,工程师,硕士,主要从事页岩气水平井钻井方面的研究。E-mail:swzcx@petrochina.com.cn;牟乃渠,1986年生,男,汉族,四川成都人,工程师,主要从事页岩气井钻井工程技术和管理工作。E-mail:munq@petrochina.com.cn;金鑫,1977年生,男,汉族,四川绵阳人,工程师,硕士,主要从事钻完井液与油田环保技术研究和经营管理工作。E-mail:19429324@qq.com;吴鹏程,1981年生,男,汉族,四川成都人,高级工程师,博士,主要从事页岩气水平井钻井方面的研究和管理工作。E-mail:wupengcheng@petrochina.com.cn
基金资助:
国家科技重大专项（2016ZX05062）；中国石油天然气股份有限公司重大专项（2016E06）

Application of a Biosynthesis-based Drilling Fluid in the Changning Gas Field

FAN Yu¹, ZHONG Chengxu¹, MU Naiqu², JIN Xin³, WU Pengcheng¹

1. Shale Gas Research Institute, Southwest Oil&Gasfield Company, PetroChina, Chengdu, Sichuan 610000, China;
2. Sichuan Changning Gas Development Co. Ltd., Yibin, Sichuan 644000, China;
3. ANTON Oilfield Technology Service Company, Chaoyang, Beijing 100102, China

Received:2018-12-21 Online:2020-02-10 Published:2020-02-10

摘要/Abstract

摘要： 针对页岩气水平井用油基钻井液环境污染性强、废弃物处理难度大等缺点，开展了一种新型的页岩气井用环保型钻井液体系研究。通过生物合成基础油制备和系统配方性能实验评价，研发了一种以改性植物油为连续相，盐水为分散相的油包水乳化钻井液体系；该体系不含芳香烃等组分，易生物降解，废弃物满足环保标准。将生物合成基钻井液在长宁气田HA平台3口井中进行了应用，应用效果表明，该体系抑制性、封堵性和润滑性好，能保障钻井、电测和下套管等作业顺利施工，环保风险和废弃物处理成本低。

关键词: 生物合成基, 钻井液, 页岩气, 长宁气田, 环保

Abstract: Oil-based drilling fluids used in horizontal shale gas wells, is of high risk of environmental pollution and is difficult dispose. To solve the problems, a novel and environmentally friendly drilling fluid system for shale gas wells was developed. Through the preparation of a biosynthesis-based oil and experimental evaluation of the performance of this formula, a waterin-oil emulsion drilling fluid system with modified vegetable oil as the continuous phase and brine as the dispersed phase was developed. The system, which does not contain aromatic hydrocarbon components, is biodegradable and meets environmental protection standards in wastes disposal. The biosynthesis-based drilling fluid was applied in three wells on the HA platform in Changning Gas Field. The results from this application show that the system possesses good inhibitive, sealing, and lubrication characteristics, ensureing smooth operations during drilling, electric logging and casing running, lowering environmental risks, and enabling low waste disposal costs.

Key words: biosynthesis base, drilling fluid, shale gas, Changning Gas Field, environment protection

中图分类号:

TE242

范宇, 钟成旭, 牟乃渠, 金鑫, 吴鹏程. 一种生物合成基钻井液在长宁气田的应用[J]. 西南石油大学学报(自然科学版), 2020, 42(1): 133-139.

FAN Yu, ZHONG Chengxu, MU Naiqu, JIN Xin, WU Pengcheng. Application of a Biosynthesis-based Drilling Fluid in the Changning Gas Field[J]. 西南石油大学学报(自然科学版), 2020, 42(1): 133-139.

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一种生物合成基钻井液在长宁气田的应用

Application of a Biosynthesis-based Drilling Fluid in the Changning Gas Field

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