1) Hole unsteadiness
井眼失稳
2) Bore hole stabilization
井眼稳定
3) Wellbore stabilization
井眼稳定
4) hole stabilization
井眼稳定
1.
The Coupling method research on the mechanics and chemistry of the shale hole stabilization;
泥页岩井眼稳定的力学及化学耦合方法研究
2.
Through optimized casing program and drilling parameter, predicting reservoir pressure and caving stress, and determining rational drilling fluid density, the problem on hole stabilization is solved and good result i.
通过优化井身结构、钻井参数以及搞好钻井液性能和维护等方面的工作,确保了该井井眼稳定,并取得了良好效果,对该地区施工具有一定的借鉴作用。
5) borehole stability
井眼稳定
1.
The relation ship among borehole stability, deviation angle, and orientation angle in the high structural belt is investigated.
为了研究山前高构造带地应力区的井眼稳定性随井斜角、方位角的变化规律 ,在室内自制岩样进行真三轴试验。
6) hole stability
井眼稳定
1.
Several new drilling fluids abroad focused on lost circulation control and plugging,hole stability and in 2004 also appeared.
在井壁稳定技术中,介绍了澳大利亚的CSIRO石油公司开发的力学-热学-化学耦合的井眼稳定性模式、Solvang/Statoil公司提出的确保井眼清洁和井壁稳定的水基钻井液设计准则。
2.
1 mm) of 3000~5300 m in which major hole stability problems faced is as follows: The hard brittle mudstones in the upper formation of Jura-Triassic and Carboniferous and the basalts in Permian is prone to strip and drop when drilling and sloughing and severe hole enlargement frequently occurred.
在这一井段面临的井眼稳定问题主要是:①侏罗系—三叠系、石炭系上部硬脆性泥岩及二叠系玄武岩地层易剥落和掉块、坍塌,扩径严重;②需要解决裸眼段多个地层压力系统共存和地层岩性差异较大的漏失问题,目前承压堵漏工艺技术还不过关;③巨厚盐膏层的塑性变形极易导致发生缩径卡钻,由于含盐膏泥页岩中的盐溶解及泥页岩的水化分散作用易造成井壁的不稳定性。
3.
A new three-dimensional FEM model for directional well borehole stability analysis has been created based on the theory of spacial coordinate transformation system, which can be used for any wellbore trajectory.
计算结果与解析解对比,其误差低于6%,说明所建模型是合理的,为进一步分析弹塑性地层的井眼稳定问题提供了有效工具。
补充资料：眼张失道
1.见"眼张失落"。
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