1) annular pressure loss
环空压耗
1.
Casing program design of mega-extended-reach wells is complex,and in order to design in reason its casing program,based on the principle of pressure balances in the casing program design in the vertical wells,the relationships among pore pressure,fracture pressure and annular pressure loss in the long open-hole section with high inclination in mega-extended-reach wells are discussed.
超大位移井井身结构复杂,为合理设计其井身结构,从垂直井井身结构设计的压力平衡原理出发,针对大斜度井段垂深变化小且裸眼井段很长、大斜度裸眼井段最容易在测深最大处被压裂的特点,通过计算钻井液的当量循环密度,研究了超大位移井大斜度裸眼井段的地层压力、破裂压力和环空压耗之间的关系,得出套管最大下深及允许最大环空压耗的计算公式。
2) the annular cyclic pressure loss
环空循环压耗
1.
Therefore,a downhole tool that can reduce the annular cyclic pressure loss and introduced its structure,principle of work and technical parameters were put forward.
提出了一种减小钻井泥浆环空循环压耗的井下工具,介绍了该工具的结构、工作原理、技术参数。
3) annular friction drag
环空摩耗
4) cyclic pressure dissipation
循环压耗
1.
Accurate calculation of cyclic pressure dissipation is the basis of programming of bit hydraulics optimization.
循环压耗的准确计算是钻头水力参数优化程序设计的基础。
5) annulus pressure
环空压力
1.
In order to obtain the annulus pressure of the oil-well at the moment ofperforation and fracturing, the paper design a high speed and single channel oil-wellpressure measurement system using the programming and self-adaptive sampling strategies.
为获得油井射孔、压裂瞬间的环空压力,本文应用存储测试相关理论,采用编程自适应分段均匀采样策略设计了一种高速单通道油井测压系统。
6) annular pressure drop
环空压降
补充资料：环空摩耗
分子式：
CAS号：
性质：又称环空摩耗或环空摩阻。在环形空间部分发生的压力损失。
CAS号：
性质：又称环空摩耗或环空摩阻。在环形空间部分发生的压力损失。
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