[1]张兴全,李相方,任美鹏,等.硬顶法井控技术研究[J].石油钻探技术,2012,40(03):62-66.[doi:10.3969/j.issn.1001-0890.2012.03.013]
　Zhang Xingquan,Li Xiangfang,Ren Meipeng,et al.Research on the Well Control Techniques of Bullheading[J].Petroleum Drilling Techniques,2012,40(03):62-66.[doi:10.3969/j.issn.1001-0890.2012.03.013]
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《石油钻探技术》[ISSN:1001-0890/CN:11-1763/TE]

卷:
40卷
期数:
2012年03期
页码:
62-66
栏目:
钻井完井
出版日期:
2012-05-25

文章信息/Info

Title:
Research on the Well Control Techniques of Bullheading
作者:
张兴全1;  李相方1; 2;  任美鹏2;  徐大融1
1. 中国石油大学(北京)石油工程学院, 北京 102249;
2. 中国石油大学(北京)机械与储运工程学院, 北京 102249
Author(s):
Zhang Xingquan1;  Li Xiangfang1; 2;  Ren Meipeng2;  Xu Darong1
1. College of Petroleum Engineering, China University of Petroleum(Beijing), Beijing, 102249, China;
2. College of Mechanical and Transportation Engineering, China University of Petroleum(Beijing), Beijing, 102249, China
关键词:
井控; 压井; 硬顶法; 井口压力
Keywords:
well control; well kill; bullheading; wellhead pressure
分类号:
TE28
DOI:
10.3969/j.issn.1001-0890.2012.03.013
摘要:
对于含硫油气井及钻头不在井底等情况下发生的溢流,不能采用常规压井方法压井,需采用硬顶压井法重新建立井内压力平衡,而建立硬顶法压井参数计算模型及分析硬顶法压井过程中井口套压的变化规律,有助于硬顶法压井成功实施。在分析适用硬顶法压井适应性的基础上,建立了硬顶法压井参数计算模型和井口套压计算方法,分析了井筒内气体体积和压井液排量对井口最大套压的影响。结果表明:储层渗透率大于30 mD、裸眼段长度较短和井口承压能力较高的情况适合使用硬顶法;井筒内气体含量越高,硬顶过程中井口套压越高;压井过程中压井液的排量越大,井筒内的摩阻越大,且气液两相进入储层所需要的压力越大。分析计算结果可为现场实施硬顶法压井提供理论支持。
Abstract:
Bullheading can kill well and establish well control for those wells with sulphur gas when conventional well kill method is not suitable.The establishment of bullheading killing model to calculate the parameters and analysis of surface casing pressure in bullheading process can help the successful implementation of bullheading.On the basis of analysis of bullheading killing adaptability,a bullheading killing parameter calculation model and wellhead casing pressure calculation method were built as well as the analysis of effects of gas volume and killing fluid in the wellbore on the maximum casing pressure.The results show that it is suitable to use bullheading when reservoir permeability is over 30 mD,short open-hole and wellhead with high pressure bearing capacity.The larger volume of gas within the wellbore in the process of bullheading,the higher wellhead casing pressure would be.The higher the killing fluid discharge,the greater the friction and the higher the pressure needed for oil and gas to enter into reservoir.The calculation results provide theoretical support for the field application of bullheading.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2011-7-8;改回日期:2012-5-2。
基金项目:国家科技重大专项"南海北部陆坡(荔湾3-1及周边)深水油气田钻采风险评估及采气关键技术研究"(编号:2011ZX05056-001-03)资助
作者简介:张兴全(1986-),男,山东聊城人,2009年毕业于中国石油大学(华东)安全工程专业,中国石油大学(北京)油气井工程专业在读硕士研究生.
通讯作者:李相方,lxfang@263.net
更新日期/Last Update: 1900-01-01