基于多材质复合管柱的裸眼井壁支撑工艺及应用

doi:10.11885/j.issn.16745086.2021.04.30.05

西南石油大学学报(自然科学版) ›› 2021, Vol. 43 ›› Issue (4): 157-166.DOI: 10.11885/j.issn.16745086.2021.04.30.05

• 深层和非常规油气钻完井专刊 • 上一篇下一篇

基于多材质复合管柱的裸眼井壁支撑工艺及应用

黄亮^1,2, 邓宽海³, 王森^1,2, 付豪^1,2, 林元华³

1. 中国石化碳酸盐岩缝洞型油藏提高采收率重点实验室, 新疆乌鲁木齐 830011;
2. 中国石化西北油田分公司, 新疆乌鲁木齐 830011;
3. 油气藏地质及开发工程国家重点实验室·西南石油大学, 四川成都 610500

收稿日期:2021-04-30 发布日期:2021-08-06
通讯作者: 邓宽海,E-mail:dengkuanhai@163.com
作者简介:黄亮,1985年生,男,汉族,甘肃庆阳人,工程师,主要从事完井测试科研工作。E-mail:huangliang.xbsj@sinopec.com
邓宽海,1988年生,男,汉族,四川内江人,副研究员,博士(后),主要从事油气井工程、油气钻井工艺方面的科研和教学工作。E-mail:dengkuanhai@163.com
王森,1987年生,男,汉族,新疆伊犁人,工程师,主要从事完井测试等方面的工作。E-mail:wangsen.xbsj@sinopec.com
付豪,1987年生,男,汉族,河南濮阳人,工程师,主要从事完井测试等方面的工作。E-mail:fuh.xbsj@sinopec.com
林元华,1971年生,男,汉族,四川宜宾人,教授,博士生导师,主要从事油气井管柱力学、油气钻井工艺及井筒完整性等方面的科研和教学工作。E-mail:yhlin28@163.com
基金资助:
顺北一区采输关键技术研究与应用（P18022-001）；顺北一区5号断裂带提质提速钻完井技术研究（P20002）；国家自然科学青年基金（51904261）

An Open-hole Wall Support Technology Based on Multi-material Composite String and Its Application

HUANG Liang^1,2, DENG Kuanhai³, WANG Sen^1,2, FU Hao^1,2, LIN Yuanhua³

1. Key Laboratory of Enhanced Oil Recovery in Carbonate Fractured-vuggy Reservoirs, CNPC, Urumqi, Xinjiang 830011, China;
2. Northwest Oilfield Company, SINOPEC, Urumqi, Xinjiang 830011, China;
3. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, Sichuan 610500, China

Received:2021-04-30 Published:2021-08-06

摘要/Abstract

摘要： 已完钻超深裸眼水平井侧钻技术是经济、高效开发油藏剩余油的主要手段之一，传统的磨铣钢套管开窗侧钻技术存在下入摩阻大、磨铣耗时长导致开窗失败等问题。为此，提出了基于多材质复合管柱的超深水平井裸眼井壁支撑工艺，结合中国西北油田已完钻超深裸眼水平井井况，首先，提出了基于“铝合金+碳钢”的多材质复合管柱组合及设计方法；其次，开展了基于管柱实物屈曲实验数据的管柱临界屈曲载荷计算模型适用性评价，并优选出了适合于“铝合金+碳钢”多材质复合管柱的屈曲临界载荷计算模型；最后，研究了综合考虑管柱扭矩、摩阻、刚性、井眼条件、管柱强度及材质的多材质复合管柱下入性分析方法，并利用下入性分析软件对西北油田顺北X1井、X2井、X3井、X4井复合管柱进行了下入可行性评价。该方法在X1井和X2井得到成功应用，进一步论证了该工艺现场应用的可行性。研究成果可为超深水平井裸眼井壁支撑的复合管柱设计和下入可行性评价提供理论参考。

关键词: 超深裸眼水平井, 铝合金, 复合管柱, 下入性, 现场应用, 井壁支撑

Abstract: The use of sidetracking technology for completed ultra-deep open-hole horizontal wells is one of the main means to develop the remaining oil economically and efficiently. The traditional milling steel casing sidetracking technology has some problems, such as large running friction and long milling time and so on. Therefore, an ultra-deep horizontal well open-hole wall support technology based on multi-material composite pipe string is proposed, combined with the well conditions of the ultra-deep open-hole horizontal well that has been drilled in the Northwest Oilfield in China. The paper firstly proposes a multi material composite string combination and design method based on “aluminum alloy + carbon steel”. Secondly, the applicability evaluation of the critical buckling load calculation model based on the actual buckling test data of the string is carried out, and the buckling critical load calculation model suitable for “aluminum alloy + carbon steel” multi material composite string is optimized; thirdly, the trip-ability analysis software of multi material composite string is developed, which comprehensively considers the torque, friction, rigidity, borehole conditions, string strength and material. The feasibility evaluation of composite string of Shunbei X1, X2, X3 and X4 wells in Northwest Oilfield is evaluated by using the trip-ability analysis software. The technology has been successfully applied in Well X1 and Well X2, which further demonstrates the feasibility of field application of the technology. The result provides a theoretical reference for the design of composite string of ultra-deep openhole horizontal wells wall support and trip-ability evaluation.

Key words: ultra-deep open-hole horizontal well, aluminum alloy, composite string, trip-ability, field application, wall support

中图分类号:

TE242

黄亮, 邓宽海, 王森, 付豪, 林元华. 基于多材质复合管柱的裸眼井壁支撑工艺及应用[J]. 西南石油大学学报(自然科学版), 2021, 43(4): 157-166.

HUANG Liang, DENG Kuanhai, WANG Sen, FU Hao, LIN Yuanhua. An Open-hole Wall Support Technology Based on Multi-material Composite String and Its Application[J]. Journal of Southwest Petroleum University(Science & Technology Edition), 2021, 43(4): 157-166.

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基于多材质复合管柱的裸眼井壁支撑工艺及应用

An Open-hole Wall Support Technology Based on Multi-material Composite String and Its Application

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