涪陵平桥南区块页岩气水平井钻井提速潜力分析

匡立新; 刘卫东; 甘新星; 姜政华; 陈士奎

doi:10.11911/syztjs.2018102

涪陵平桥南区块页岩气水平井钻井提速潜力分析

1.
中国石化华东石油管理局重庆南川页岩气公司, 重庆 408400;
2.
中国石化石油工程技术研究院, 北京 100101

基金项目:

国家科技重大专项课题"涪陵页岩气钻井技术示范"（编号：2016ZX05060-003）和中国石化科技攻关项目"深层页岩气高效开发钻井关键技术研究"（编号：P15014）联合资助。

详细信息

作者简介:
匡立新(1966-),男,江苏江都人,1989年毕业于江汉石油学院钻井工程专业,2009年获中国地质大学大学(武汉)钻井工程专业博士学位,高级工程师,主要从事钻完井工程方面的研究与管理。

中图分类号: TE243⁺.1
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出版历程
- 收稿日期: 2017-11-26
- 刊出日期: 1899-12-31

Acceleration Potentials Analysis of Shale Gas Horizontal Well Drilling in the South Pingqiao Block of Fuling

1.
Chongqing Nanchuan Shale Gas Company, Sinopec Huadong Petroleum Administration, Chongqing, 408400, China;
2.
Sinopec Research Institute of Petroleum Engineering, Beijing, 100101, China

摘要

摘要: 涪陵平桥南区块是涪陵页岩气田二期产能建设的主力产区，为进一步实现该区块页岩气水平井钻井提速提效及为后续外围区块高效勘探开发提供技术借鉴与指导，对该区块现用钻井技术体系进行分析后发现，其钻井技术方案在参考借鉴涪陵一期成熟经验的同时，配套应用了旋转导向钻井技术，试验应用了泡沫水泥固井技术，完善了随钻地质导向技术，形成了具有区域特色的钻井技术体系，钻井周期较开发初期大幅降低。在此基础上，以地层、开次为划分界限，分析了平桥南区块钻井提速潜力及存在的提速技术难点，二开井段龙潭组和茅口组地层机械钻速低、单只钻头进尺短，韩家店组和小河坝组地层钻井周期长、井漏频繁等，二开井段的提速潜力最大。针对提速技术难点制定了旋冲钻井提速技术方案和控压降密度防漏技术方案。研究成果可为加快涪陵平桥南区块的勘探开发进程提供指导。
- 页岩气 /
- 提速提效 /
- 旋转导向 /
- 控压钻井 /
- 旋冲钻井 /
- 平桥南区块
Abstract: The Fuling South Pingqiao Block is the main production area for the second phase of the productivity construction of Fuling Shale Gas field.This paper provides technical reference and guidance for further accelerating the development and improving the efficiency of this block,and for the efficient exploration and development of subsequent peripheral blocks.First,the current drilling technical systems of this block were analyzed.Based on the mature experiences of Fuling Phase I,rotary steering drilling technology was applied in the drilling scheme.At the same time,foam cementing test was carried out while geo-steering while drilling technique was improved to establish the drilling technical systems with regional characteristics.The combination of improvements greatly reduced the drilling cycle compared with the initial stage of development.On this basis,taking the stratum and spud times as the boundaries,the acceleration potentials and challenges in South Pingqiao Block were analyzed.It was found that the second spud section presented the maximum acceleration potentials,and the challenges limiting acceleration were the low ROP and small single bit footage in the Longtan Formation/Maokou Formation of the second spud section,as well as the long drilling period and frequent lost circulation in the Hanjiadian Formation and the Xiaoheba Formation,etc.In view of the difficulties of acceleration,the technical plans for acceleration with rotary/percussion drilling and lost circulation control with pressure control and density management were developed.The research results could provide guidanceand serve as a model to accelerate the exploration and development of the South Pingqiao Block of the Fuling Gas Field.
- shale gas /
- acceleration and efficiency improvement /
- rotary steering /
- managed pressure drilling /
- rotary/percussion drilling /
- South Pingqiao Block

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参考文献(14)

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