空气钻井在BZ24井的应用

doi:10.3969/J. ISSN.1006-768X.2022.03.27

钻采工艺 ›› 2022, Vol. 45 ›› Issue (3): 146-150.DOI: 10.3969/J. ISSN.1006-768X.2022.03.27

空气钻井在BZ24井的应用

阳君奇¹, 申彪², 叶素桃², 金伟³, 宋仁智⁴, 刘成龙¹, 闵鹏², 王全峰⁵

1中国石油塔里木油田分公司勘探事业部 2中国石油塔里木油田分公司安全环保与工程监督中心 3中国石油西南油气田分公司川西北气矿抢险维修中心 4中国石油长城钻探工程有限公司 5中国石油川庆钻探工程公司新疆分公司

出版日期:2022-05-25 发布日期:2022-06-28
作者简介:阳君奇（1992-），工程师，2014年毕业于东北石油大学石油工程专业，获学士学位，现从事石油天然气勘探技术工艺研究与现场管理工作。
基金资助:
中国石油天然气股份有限公司塔里木油田分公司勘探事业部“博孜24井钻完井工程”（编号：300118120349-08）。

Application of Air Drilling in Well BZ 24

YANG Junqi¹, SHEN Biao², YE Sutao²,JIN Wei³, SONG Renzhi⁴,LIU Chenglong¹,MIN Peng²,WANG Quanfeng⁵

1. Exploration Division of CNPC Tarim Oilfield Company, Korla, Xinjiang 841000, China; 2.Safety, Environmental Protection and Engineering Supervision Center of CNPC Tarim Oilfield Company, Korla, Xinjiang 841000, China; 3. Northwest Sichuan Gas Field Emergency Maintenance Center of PetroChina Southwest Oil and Gas Field Company, Jiangyou, Sichuan 621700, China; 4. CNPC Greatwall Drilling Co. , Beijing 100020, China; 5. CCDC Xinjiang Branch Company, Korla, Xinjiang 841000, China

Online:2022-05-25 Published:2022-06-28

摘要/Abstract

摘要： 塔里木盆地库车山前构造带砾石沉积厚，可钻性差，研磨性强，钻头消耗多，钻井提速困难，通过应用连续循环空气钻井，机械钻速显著提高，并快速通过恶性井漏复杂层段，显著缩短钻井周期。因此BZ24井在井段3 272~4 509 m进行连续循环空气钻井，进尺1 237 m，平均机械钻速6.22m/h，仅消耗牙轮钻头2只，并首次应用 Ø279.4 mm双扶钟摆钻具组合”进行空气钻井，最大井斜4.02°，平均井斜1.71°，同比钻井液钻井节约时间22.3 d，为塔里木油田博孜区块巨厚砾石层的空气钻井的应用提供技术支撑，并对BZ24井空气钻井进行生产成本评估，节约钻井成本达千万元，经济效益显著。

关键词: 空气钻井, 钻具组合, 井斜, 井径扩大率, 机械钻速, 经济效益

Abstract:

The Kuqa piedanshan structural belt in Tarim Basin is characterized by thick gravel deposition, poor drillability, strong abrasiveness, much bit consumption, and difficult in drilling speed up. By applying continuous circulating air drilling, the drilling cycle is significantly shortened by greatly increasing drilling speed and rapidly passing through the complex formations with malignant lost circulation. Therefore, Well BZ 24 was drilled by continuous circulation air drilling at 3272-4509m interval. The footage was 1 237m at an average drilling speed of 6.22m/h, and only 2 cone bits were consumed. 279.4mm double pendulum bottom hole assembly was used for air drilling for the first time. The maximum inclination was 4.02°, the average inclination was 1.71°. Compared with mud drilling, the drilling time is saved by 22.3 days, which provides technical support for the application of air drilling in the huge gravel layer of Bozi block in Tarim Oilfield. The drilling cost is saved up to 10 million yuan after evaluating the production cost of air drilling in Well BZ 24 with remarkable economic benefits.

Key words: air drilling;bottom hole assembly;inclination;wellbore enlargement rate;drilling speed, economic benefit

阳君奇, 申彪, 叶素桃, 金伟, 宋仁智, 刘成龙, 闵鹏, 王全峰. 空气钻井在BZ24井的应用[J]. 钻采工艺, 2022, 45(3): 146-150.

YANG Junqi, SHEN Biao, YE Sutao, JIN Wei, SONG Renzhi, LIU Chenglong, MIN Peng, WANG Quanfeng. Application of Air Drilling in Well BZ 24[J]. Drilling & Production Technology, 2022, 45(3): 146-150.

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空气钻井在BZ24井的应用

Application of Air Drilling in Well BZ 24

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