[1]滕学清,杨向同,朱金智,等.YK3井套管断裂原因分析[J].石油管材与仪器,2019,5(05):77-82.[doi:10.19459/j.cnki.61-1500/te.2019.05.017]
 TENG Xueqing,YANG Xiangtong,ZHU Jinzhi,et al.Analysis of Casing Fracture Cause in YK3 Well[J].Petroleum Tubular Goods & Instruments,2019,5(05):77-82.[doi:10.19459/j.cnki.61-1500/te.2019.05.017]
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YK3井套管断裂原因分析
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《石油管材与仪器》[ISSN:2096-0077/CN:61-1500/TE]

卷:
5
期数:
2019年05期
页码:
77-82
栏目:
失效分析与预防
出版日期:
2019-10-20

文章信息/Info

Title:
Analysis of Casing Fracture Cause in YK3 Well
文章编号:
2096-0077(2019)05--0077-06
作者:
滕学清1杨向同1朱金智1吕拴录12杨成新1
1.中国石油塔里木油田公司 新疆 库尔勒 841000;2.中国石油大学材料科学与工程系 北京 100249
Author(s):
TENG Xueqing1 YANG Xiangtong1 ZHU Jinzhi1 LYU Shuanlu12 YANG Chengxin1
1.PetroChina Tarim Oil Field Company, Korla, Xinjiang 841000, China; 2.Material Science and Engineering Department of China University of Petroleum, Beijing 102249, China
关键词:
套管钻头钻塞遇阻铁屑断裂
Keywords:
casing bit drilling cement plug resistance iron remains fracture
分类号:
TE925.2
DOI:
10.19459/j.cnki.61-1500/te.2019.05.017
文献标志码:
A
摘要:
对YK3井套管钻塞遇阻事故进行了调查研究,对钻水泥塞过程中返出的铁屑和钻头损坏形貌进行了分析,依据钻头和铁屑形貌确定套管失效形式为断裂。对影响钻塞遇阻的各种因素进行了分析,结果表明:套管断裂导致钻塞遇阻。对套管失效时间分析结果表明,在正注水泥碰压之后、钻塞之前,套管已经断裂。对固井工艺进行了分析,找到了固井施工存在的问题。通过分析计算套管在固井过程中的受力状态,确定固井过程中套管没有过载,套管断裂与其材料本身存在的原始缺陷和交变载荷有关。建议进一步研究固井过程中套管受力状态,并对该批剩余套管进行检验。
Abstract:
This paper gives an investigation on accident of drilling hard trip in Well YK3. The casing fracture failure form was found per analyzing on morphology of iron remains from well bottom and failure bit morphology. It was shown that the casing fracture resulted in the drilling cement plug resistance pass through analysis on accident cause. It was concluded that the casing broke before drilling cement plug and behind bump plug during injection cement. Some problems in well cementing process were found per analyzing well cementing technology. It was confirmed that casing was not overloaded, and casing fracture may be caused due to itself material original defect and alterantingload by calculating load born on the casing in cementing process. It was suggested that load born on casing in well cementing should be studied, and the casing left should be inspected.

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备注/Memo

备注/Memo:
第一作者简介:滕学清,男,1965年生,高级工程师,1989年毕业于中国石油大学(华东)钻井专业,主要从事石油钻井和完井工程技术工作。E-mail: lvshuanlu@163.com
更新日期/Last Update: 2019-10-25