φ311.2 mm空气潜孔锤倒划眼装置
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摘要
空气潜孔锤钻进技术以其机械钻速快、防斜效果明显、环保等诸多优点已被广泛应用,但潜孔锤无法进行倒划眼作业,针对可能出现的卡堵现象,设计制作了适用于φ311.2 mm空气潜孔锤倒划眼的装置,并给出了一定条件下倒划眼操作流程及注意事项。现场应用试验结果表明,该装置能有效地降低空气钻进卡钻风险,缩短钻井周期,节约成本。
Pneumatic DTH drilling technology has been widely applied because of its advantages of fast drilling speed, obvious anti-slant effect and environmental protection, but, DTH hammer is unable to carry out reverse reaming. According to the possible blockage, a back reaming device which is suitable for φ311.2 mm pneumatic DTH hammer was innovated. Meantime, the operation flow and precautions of back reaming were developed by using this device. The field application shows that this device can effectively reduce blockage risk of air drilling, shorten drilling cycle and save cost.
Pneumatic DTH drilling technology has been widely applied because of its advantages of fast drilling speed, obvious anti-slant effect and environmental protection, but, DTH hammer is unable to carry out reverse reaming. According to the possible blockage, a back reaming device which is suitable for φ311.2 mm pneumatic DTH hammer was innovated. Meantime, the operation flow and precautions of back reaming were developed by using this device. The field application shows that this device can effectively reduce blockage risk of air drilling, shorten drilling cycle and save cost.
引文
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[4]张永,薛志飞.灰岩地层卡钻处理[J].化工管理,2015(35):139.
[5]宋继伟,赵华宣,苏宁,等.空气潜孔锤钻进典型事故原因分析及处理措施[J].探矿工程(岩土钻掘工程),2018,45(5):22-28.
[6]陈涛,常忠勇,刘德平,等.钻杆接头过转盘倒划眼装置设计与应用[J].天然气工业,2014,34(5):122.
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[8]滕新兴,刘盈,钟立民.运用划眼技术解决SH1井井下复杂情况探讨[J].石油工业技术监督,2010,26(12):44-48.
[9]孟庆昆,王向东,胡贵.可倒划眼的空气锤钻头:CN202578517U[P].2012-12-5.
[10]王克行.带倒划眼切削齿的PDC钻头:CN201474613U[P].2010-05-19.
[2]陈旭.石油钻井工程[M].北京:中国劳动社会保障出版社,2011.
[3]蒋希文.钻井事故与复杂问题[M].北京:石油工业出版社,2006.
[4]张永,薛志飞.灰岩地层卡钻处理[J].化工管理,2015(35):139.
[5]宋继伟,赵华宣,苏宁,等.空气潜孔锤钻进典型事故原因分析及处理措施[J].探矿工程(岩土钻掘工程),2018,45(5):22-28.
[6]陈涛,常忠勇,刘德平,等.钻杆接头过转盘倒划眼装置设计与应用[J].天然气工业,2014,34(5):122.
[7]杜晓瑞,李华泰,王桂林,等.钻井工具手册[M].北京:中国石化出版社,2012.
[8]滕新兴,刘盈,钟立民.运用划眼技术解决SH1井井下复杂情况探讨[J].石油工业技术监督,2010,26(12):44-48.
[9]孟庆昆,王向东,胡贵.可倒划眼的空气锤钻头:CN202578517U[P].2012-12-5.
[10]王克行.带倒划眼切削齿的PDC钻头:CN201474613U[P].2010-05-19.