查询词典 casing head

Through several year's research,a new type of casing head in view of the problems encountered in preceding stress cementing in thermal production well.

针对稠油热采井预应力固井中存在的问题，研制了一种适用于稠油热采井预应力固井的新型套管头。

There is no slip of viscosity liquids in casing and tubing under the condition of gas flowing out of casing head in gas-venting wells.

摘要在套管放气状态下，环空中液体相处于停滞状态，液相和油套管之间不存在相对滑动，受油套管粗糙度影响的雷诺数失去原有的意义，不能直接应用石油工业中常用的多相流计算方法。

During the process of development and production in the Kela-2 gas field, the production casing head pressure and technical casing head pressure of some single wells have increased abnormally.

克拉2气田在开发生产过程中，部分单井出现生产套压、技术套压异常升高的现象。

Our company produce all kinds of high, medium and pressure series valve, valve, check valve, valve plate, high pressure oil wellhead equipment, slurry pipe sinks, cutting Meeting Series snubbing pipe, casing head and drilling accessories such as petroleum, chemical industry equipment.

公司主要生产经营各类高、中、压系列闸阀、截止阀、止回阀、平板阀门、高压采油井口装置，泥浆管汇、节流压井管汇系列、套管头及钻采配件等石油、化工行业专用设备。

Actually, downhole casing is cemented at its bottom, and fastened by casing head at its top, so the axial tension caused by internal pressure does is not loaded by the casing, instead, by well bottom and the casing head, etc..

实际井下套管下端被水泥固定，上端被套管头固定，此时套管承受内压所产生的轴向拉力，并不作用在套管上，而作用在井底和上端约束上。

In this paper, research on wellhead system stability of offshore oil self-elevating drilling platform exploratory well is introduced, the matching equipment technology and operation points such as wellhead casing head, offshore water isolation tube, mudline suspension flow, wellhead suspension system, and so on are analyzed and researched by wellhead counterbalance and conventional well structure, and measures taken to ensure wellhead support flow stable are found.

对海洋石油自升式钻井平台探井井口系统稳定性研究进行了介绍，通过对井口配重、常规井身结构、井口套管头、海上隔水导管、泥线悬挂流及井口悬吊系统等配套设备技术和操作要点的分析研究，得出了确保井口支撑系统稳定应采取的措施。

With advanced process tools and equipment, and rich technical force, our products such as production wellhead, casing head, choke/kill manifold as well as part of trial production tools have been well sold in oil filds like Shengli, Changqing, Qinghai,Tuha,Xinjiang and Dagang, etc.

公司工艺装备先进、设备精良、技术力量雄厚，恪守合同信誉，所生产的采油井口装置、套管头、节流压井管汇以及部分试采工具，畅销国内各大油田以及海外市场，深受用户亲睐。

SPOOL, CASING HEAD: CASING HEAD; 13-3M

套管四通。套管头13-3M

Casing pressure,Casing head pressure

井口套管和油管环形空间内的压力。

Based on the characteristics of casing annulus gas-venting wells, the particularity of multi-phase flow in the condition that the casing-head gas flows through a nearly stagnant liquid was investigated. Based on the theory of Taylor bubble, a model to calculate void fraction and pressure gradient in various viscosity liquids was developed. This model is applicable to bubbly flow and slug flow.

以泰勒气泡在黏滞流体中的上升流速作为主要依据，建立了不同油黏度下套管环空放气流动的截面含气率和压降计算模型，并提出了不同黏度、不同气油比的套管定压放气井环空流动计算及套管压力分布的多相流模型，该模型主要适用于泡流和段塞流。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。