1) collapse pressure
坍塌压力
1.
Based on the comprehensive analysis of some complicated situations met in drilling,such as circulation loss,borehole shrinkage and collapse,the collapse pressure and fracture pressure of the drilled well interval were determined.
综合分析钻井过程中通常遇到的井漏、缩径和坍塌等复杂情况,确定已钻层段的坍塌压力和破裂压力,结合神经网络理论建立地震层速度与坍塌压力、破裂压力之间的非线性映射关系,提出利用地震资料钻前预测勘探构造第1口井二开以下地层井壁稳定性的方法。
2.
The well collapse pressure of extended reach well and the security density window of drilling fluid was estimated based on the Coulomh-Moore strength criteria and the maximum tension stress fracture criteria.
根据库仑-摩尔强度准则和最大拉应力破裂准则,计算大位移井的井壁坍塌压力与泥浆安全密度窗口。
3.
Water-base drilling fluids usually increase shale collapse pressure, different drilling fluid system brings different increase degree of collapse pressure.
水基钻井液大多要增加地层坍塌压力,且不同钻井液体系引起地层坍塌压力增加的幅度不同。
2) caving pressure
坍塌压力
1.
Then breakdown pressure,caving pressure and drilling fluid density can be obtained,which will act as references for drilling design to guide safe drilling.
文章利用声波、密度测井资料计算了岩石力学参数、岩石强度参数,在此基础上进行了地应力计算、进而确定了地层破裂压力和坍塌压力,预测了安全钻井液密度范围,为钻井设计提供参考,并可指导安全钻井。
2.
Based on logging data and the results of formation fracturing tests, a set of methods of calculating the caving pressure and related physical and mechanical characteristic parameters of formation are established.
为了能充分利用测井等资料较精确地计算井壁受力状态和井壁坍塌压力 ,以设计合理钻井液密度窗 ,保证钻井过程中井壁稳定性 。
3) collapsing pressure
坍塌压力
1.
The results from contrasts of collapsing pressures between unhydrated shale and hydrated one indicate that collapsing pressure for shale which behaves poor water sensitivity can be increased on a large scale,and verify the phenomenon exists that shale is stable in early contact with drillng fluid and turns out to be unstable later.
页岩水化前后坍塌压力对比结果表明，水化使泥页岩的坍塌压力持续升高，证实了泥页岩地层在钻遇初期稳定、裸眼一段时间后出现失稳。
2.
Pore pressure,breakdown pressure and collapsing pressure are the bases of determining the casing programme,drilling fluid density and cementing and completion plan,and are important in the design of drilling engineering.
地层孔隙压力、破裂压力和坍塌压力是合理确定井身结构、钻井液密度和固井完井方案的基本依据,是钻井工程设计的一项重要内容。
4) Formation breakout pressure
层坍塌压力
5) caving pressure
地层坍塌压力
6) burst-collapse pressure
破坏-坍塌压力
补充资料：锅炉、压力容器、压力管道及特种设备定期检验
锅炉、压力容器、压力管道及特种设备定期检验
periodic inspection of boilers, pressure vessels, pressure piping and special equipment
guolu YOli侧飞扣1 YOli gLJal对印ji tez陌叩劝以拍1 dingqi】，on四n锅炉、压力容器、压力管道及特种设备定期检验(peri诫c inspectionof城le。，p~切reves-Sels，p~二piPing ands衅过闪uiplr屺nt)为保证设备的安全使用，规定设备必须按一定周期进行法定的、强制性的检验。定期检验由政府设立的检验所、使用单位或行业检验站进行。检验单位及检验人员必须具有与所检设备相适应的资格。设备使用单位应该建立定期检验制度，做好检验计划，按时向检验单位提出申请。检验单位应该保证及时进行检验，检验按有关检验规则进行。检验时，设备使用单位应做好配合工作，提供必要的运行资料。检验完毕，检验单位要出具检验报告，对设备能否使用，要作出明确结论。如设备有缺陷，要提出是否修理、监护使用和报废的处理意见。锅炉压力容器安全监察机构根据检验机构的报告，发使用许可证书。有缺陷的，责令使用单位修理，修理后检验仍不符合安全要求的，则通知报废。使用单位逾期不进行定期检验，锅炉压力容器安全监察机构有权停止其设备运行。(陈亦惠)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条