火烧山北部石炭系推覆体气体钻井技术

石建刚, 杨虎, 周鹏高, 文乾彬

石建刚, 杨虎, 周鹏高, 文乾彬. 火烧山北部石炭系推覆体气体钻井技术[J]. 石油钻探技术, 2014, 42(1): 114-118. DOI: 10.3969/j.issn.1001-0890.2014.01.023
引用本文: 石建刚, 杨虎, 周鹏高, 文乾彬. 火烧山北部石炭系推覆体气体钻井技术[J]. 石油钻探技术, 2014, 42(1): 114-118. DOI: 10.3969/j.issn.1001-0890.2014.01.023
Shi Jiangang, Yang Hu, Zhou Penggao, Wen Qianbin. Gas Drilling Technology for Carboniferous Nappe in Northern Huoshaoshan[J]. Petroleum Drilling Techniques, 2014, 42(1): 114-118. DOI: 10.3969/j.issn.1001-0890.2014.01.023
Citation: Shi Jiangang, Yang Hu, Zhou Penggao, Wen Qianbin. Gas Drilling Technology for Carboniferous Nappe in Northern Huoshaoshan[J]. Petroleum Drilling Techniques, 2014, 42(1): 114-118. DOI: 10.3969/j.issn.1001-0890.2014.01.023

火烧山北部石炭系推覆体气体钻井技术

详细信息
    作者简介:

    石建刚(1982- ),男,新疆哈密人,2005年毕业于中国石油大学(华东)石油工程专业,2008年获西南石油大学石油工程测井专业硕士学位,工程师,主要从事钻井设计及科研工作。

  • 中图分类号: TE242

Gas Drilling Technology for Carboniferous Nappe in Northern Huoshaoshan

  • 摘要: 火烧山北部(简称火北)石炭系推覆体厚度超过1 000 m,机械钻速低,为了提高钻速,在火北021井和火北022井进行了气体钻井技术试验。为了确保气体钻井的顺利实施,利用邻井钻井/测井资料建立了地层三压力剖面,根据地层三压力剖面进行了井眼稳定性评价,通过优选井身结构封隔不稳定地层,利用环空钻屑传输比计算最佳注气量。试验结果表明,火北地区石炭系推覆体适用于气体钻井技术,气体钻井的平均机械钻速达到5.37 m/h,较邻井同井段常规钻井提高4倍左右,钻井周期大幅缩短。这表明,火北地区应用气体钻井技术可以提高钻速,能为加快该地区致密油的勘探进程提供技术保障,同时也为准噶尔盆地火山岩地层钻井提速积累了宝贵经验。
    Abstract: The carboniferous nappe in northern Huoshaoshan is over 1 000 m in thickness,which poses low penetration rate problem in drilling.In order to speed up well drilling,test of gas drilling was conducted in Well Huobei 021 and Huobei 022.To ensure the successful implementation of gas drilling,drilling and logging data of offset wells were used to predict pore pressure,fracturing pressure and borehole collapse pressureset up the three formation pressure of the carboniferous nappe interval,borehole stability was evaluated based on these pressure profiles;formations with potential stability problems were sealed through optimizing casing program;optimum gas injection rate was calculated by using annular drilling cutting transport ratio.The test showed that gas drilling technique is suitable for carboniferous nappe in Northern Huoshaoshan,where average penetration rate of gas drilling reached 5.37 m/h,about 4 times higher than conventional drilling at the same interval,resulting in significant reduction in drilling cycled.This showed that gas drilling in Huobei Area could increase drilling speed,which not only provides technical guarantee for rapid exploration of tight oil,but also accumulates valuable experience for expediting drilling speed in volcanic strata of Junggar Basin.
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出版历程
  • 收稿日期:  2013-04-04
  • 修回日期:  2013-12-11
  • 刊出日期:  1899-12-31

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