压差卡钻
- 网络differential pressure sticking;pressure differential sticking;differential sticking
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探讨了井眼方位左右漂移、钻具组合降斜作用、压差卡钻及岩屑携带等问题,并提出了相应技术措施。
The difficulties such as wellbore azimuthal drift , drilling assembly dropping effect , differential pressure sticking and cutting carrying are discussed , and technical measures are proposed .
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欠平衡钻井由于有利于发现和保护油气层、提高钻速、降低成本,减少井漏及压差卡钻等复杂情况,而受到人们的高度重视。
Under balance drilling is paid great attention to by people for it is favourable for discovering and protecting oil and gas reservoirs , raising drilling speed , reducing cost and lessening drilling lost circulation and differential pressure sticking .
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XN-1型压差卡钻趋势测定仪的研制
A device for predicting pressure differential sticking trend
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关于压差卡钻临界值的探讨
Pressure ; Approach to Critical Value of Differential Sticking
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新疆深井低压高渗地层防止压差卡钻技术研究
Stratum study on technology to reduce the sticking tendency in deep well of low
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压差卡钻是定向钻井施工中最容易发生的卡钻事故之一。
Differential pressure pipe-sticking is one of the most common faults in directional well operations .
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对定向井压差卡钻的分析有利于更好的进行定向钻井的施工。
It is beneficial to carry out the construction of directional well through the analysis of directional differential pipe-sticking .
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分析了压差卡钻的去水化解卡机理及其影响因素,推导出了去水化用用驱动力的表达式。
Based on discussion of the mechanism of stuck releasing by dewatering , the equation of dewatering drive force is derived .
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分析了油页岩地层钻进中压差卡钻发生的原因,提出了预防压差卡钻的途径及处理方法,并通过工程实例来强调预防为主的重要性。
Analysis was made on the causes of differential pressure sticking in drilling in oil shale ; and the prevention and treatment measures were proposed with field cases .
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采用这项技术,可以有效地防止钻井过程中对产层的伤害,有利于保护油气层,提高钻速、降低成本,减少井漏及压差卡钻等复杂情况。
Adopting the technology can prevent from formation damage effectively in drilling process , protect reservoir , increase penetration rate , decrease drilling cost , lost circulation and differential sticking .