苏53区块全油基钻井液的研究与应用

李建成; 关键; 王晓军; 孙延德; 鲁政权; 任艳

doi:10.11911/syztjs.201405011

苏53区块全油基钻井液的研究与应用

doi: 10.11911/syztjs.201405011

1.
中国石油集团长城钻探工程有限公司工程技术研究院, 辽宁盘锦 124010

基金项目:

国家科技重大专项"复杂地质条件下深井钻井液与高温高压固井技术研究"（编号：2011ZX05021-004）资助。

详细信息

作者简介:
李建成（1962—），男，湖北黄冈人，1983年毕业于江汉石油学院油田化学专业，2002年获中国地质大学（武汉）油气田开发工程专业硕士学位，高级工程师，主要从事钻井液技术研究和应用工作。

中图分类号: TE254
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出版历程
- 收稿日期: 2014-02-17
- 修回日期: 2014-08-24
- 刊出日期: 1900-01-01

Research and Application of Oil-Based Drilling Fluid Technology in Block Su 53

1.
Engineering Technology Research Institute of CNPC Greatwall Drilling Company, Panjin, Liao-ning, 124010, China

摘要

摘要: 为解决苏53区块石盒子组泥岩段的井壁稳定、携岩净化及润滑防卡等井下复杂问题，研制了全油基钻井液体系。对自主研发的有机膨润土、激活剂、降滤失剂及不同产地的润湿剂进行了室温和200 ℃高温老化后的性能对比优选试验；对优化出的全油基钻井液体系进进了抗温、抗污染、抑制性、悬浮能力、封堵能力和储层保护效果评价。全油基钻井液在苏 53-82-50H 井现场应用过程中性能稳定、易维护，能大幅度提高机械钻速，润滑防卡效果好，井径扩大率小，满足现场施工的各项要求。应用结果表明，自主研发的全油基钻井液体系解决了苏53区块长裸眼水平井钻井中的井下复杂问题，为油基钻井液体系的广泛应用提供了技术保障。
- 泥岩 /
- 处理剂 /
- 油基钻井液 /
- 井眼稳定 /
- 现场应用 /
- 苏53区块
Abstract: To solve the problems of wellbore instability,hole cleaning and anti-sticking in mudstone section of Shihezi formation of Block Su 53,new oil-based drilling fluids were developed.Indigenous organic clay,activators,filtrate reducer and wetting agents from different areas were used for performance comparison and to test at room temperature and after aging at 200 ℃.The all-oil drilling fluids were evaluated for their high temperature resistance,anti-contamination,inhibition,and suspending abilities,plugging ability and reservoir protection effect,and the wellsite results were examined.During the course of field testing in Well Su 53-82-50H,the all-oil drilling fluids were stable in performance and were easy to maintain,which indicated the new fluids could significantly improve ROP,and have good effect for lubricating and anti-sticking.Further,the hole enlargement rate was small,which fully met the operation requirements at the site.The results showed that oil-based drilling fluids can provide a viable way to solve the problems of drilling in long open-hole horizontal well in Block Su 53,and lessons learned could be provide technical solutions to reservoirs worldwide experiencing the same problems.
- mudstone /
- treatment agents /
- oil-based drilling fluids /
- borehole stability /
- field application /
- Block Su 53

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参考文献(15)

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