horizontal section

Managed pressure drilling applied to horizontal wells targeting carbonate gas reservoirs in middle Tarim Basin Analysis of instability characteristics of surrounding rock within horizontal section caving face in steep coal seam

塔中地区碳酸盐岩储层控压钻水平井技术急斜煤层水平分段综放开采围岩失稳特征分析

A circular arch with constant thickness in the horizontal section is defined and its crown contilever has an arbitrary convex curve on upstream face. Such as.

研究对象是水平截面为等厚园拱、拱冠上游面呈任意凸曲线的双曲拱坝。

Its horizontal section length is 820.86 m, closured distance is 1099.66m, oil reservoir is drilled to 562.5m The well's horizontal section has many steps and needs turning azimuth. The akin horizontal well is very few in China.

该井水平段长82086m，闭合距109966m，钻穿油层5625m，水平段多台阶、大幅度扭方位，同类型的水平井在国内并不多见。

The operation character of the slim hole sidetrack drilling in Gao 3-6-11 well is presented. XC polymer mud is adopted in high angel section and horizontal section.

分析了高3-6-111井小井眼侧钻水平井的施工特点，在该井的大斜度井段和水平段选用了XC生物聚合物钻井液体系。

Rapid direct method of gravity anomaly of arbitrary three-dimensional body by horizontal section

利用水平截面法对任意形状三度体的重力异常的快速正演

In the horizontal section likes "V"-shaped open outwards consist of forelimb, hindlimb and knee.

在横断面上，似向外开放的V字形，分三部即前肢、后肢和膝部。

ERD wells are widely adopted due to its great economic benefits and its applicability for special purposes, while the drag along the horizontal section has limited the promotion of ERD wells.

大位移井技术因其具有巨大经济效益并能够满足特殊作业的目的而得以迅速推广应用，但水平井段摩阻扭矩又成为了制约大位移井推广应用的关键因素。

The horizontal section top coal caving in steep seam is different from the gently inclined seam.

急斜煤层水平分段放顶煤开采与缓斜煤层不同,工作面沿煤层厚度的水平线布置,长度短.

Design and Implement of Underground Integrate Pipe Vertical and Horizontal Section Plane Map

地下综合管线纵横剖面图的设计与实现

The CO concentration distribution and flux field for both horizontal section and vertical section around outside portals were numerically calculated using finite element method.

采用有限元法，考虑洞口排放源、洞口边界与东线洞口排放及隧道西线洞口进风的影响，对该特长隧道洞口排放形成的垂直和水平二维CO质量浓度分布及通量场进行了数值计算。

However, with the exploitation of reservoirs, the improper working system or the injected water entering into the horizontal section through crack will cause the problem of horizontal wells producing water, then the measures of profile control and water shutoff should be taken.

在水平井注水开发过程中，由于注入水随裂缝进入水平井段，引起水平井出水问题，需要对其采取调剖堵水处理措施。