workover

The research works on the structural characters, working mechanism and structure emulation of a drilling-workover dual-purpose top drive device which is driven by full-hydraulic way and can satisfy the operations in slim-hole drilling, directional drilling, side-tracking and well workover, etc.

文章介绍了一种能满足小井眼钻井、定向井、侧钻井及修井等作业的全液压驱动方式的钻修两用顶部驱动装置的结构特点、工作机理和结构仿真研究工作。

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The level of screw pump well being managed is more improved and that sucker rod break and collar thread off is delayed effectively, the exempt workover period is prolonged.

该技术的应用进一步提高了螺杆泵井的管理水平，有效的减缓了抽油杆的频繁断、脱问题，延长了检泵周期。

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Install the drill& workover unit onto the truck, which raises deportion of the units, shorts the installation readiness time of the unit and also raises the drilling timeefficiency.

将钻修装备安装在运载车上，提高了设备的移运性，缩短了钻修机的安装准备时间，提高钻井时效。

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The vehicle-mounted electric workover rig without guy wire can effectively reduce labor intensity during the workover operation and improve the speed of workover operation.

车载无绷绳电动修井机能够有效降低修井作业中工人的劳动强度，提高修井作业速度。

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Along with the development of oil and gas production, well workover has become a indispensable work.

随着油气开发的不断深入, 修井已成为整个油气开发过程中一项必不可少的工作.

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Analysis of static strength and fatigue life of oil derrick for workover rig

修井机井架的静强度与疲劳分析

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Because of the large dimension and the small adaptation range of existing slips, which can not meet the requirements of structure and function of vehicle-mounted pressure balancing workover rig.

现有的通用卡瓦机构由于结构尺寸大、适应范围小等因素不能满足车载式不压井修井作业的结构与功能要求。

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THY temporary plugging agent used for workover treatment adopts oil soluble resin as bridging agent.

THY修井暂堵剂是以油溶性树脂作为桥堵剂,桥堵储层孔道,在井壁形成屏敝层,从而减少修井液的漏失.

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Development and Innovation in Oil Well Workover Sidetracking Techonology in China

中国大修侧钻技术的发展与创新

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Design and Analysis of Double Ram BOP Body Used for Workover

2FZ18-35型小修作业用双闸板防喷器壳体设计

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This paper analyses several kinds of probable hydraulic pump station type of XXJ300/ 500 hydraulic energy-storing workover rig, and points out that using variable pump is an economic and easy way of avoiding overfall loss.

该文从XXJ300500液压蓄能修井机的原理出发，探讨分析了该机可能的几种液压泵站形式，指出采用变量泵是一种经济、方便的避免溢流损失的方式。

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Our company can supply many types of complete set of workover drilling rigs whose motors are equipped with winter preheating device, suits high and low temperature with sandy climate of oil field.

我公司可向用户提供的成套石油修井机系列种类繁多，适应油田高温、严寒以及风沙大的气候条件。

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Field application in Well Wen 92-47 indicates that the technology is easy to operate, can be valid and temporary to plug in well workover process, succeed to break down after well workover finished, and protect gas reservoir validly.

文92-47等井的现场应用表明，该工艺简单易行，在气井修井过程中能暂时封堵气层，修井结束后成功解堵，有效地保护气层。

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With the improvement of the requirements in high efficiency, low cost and environmental protection of petroleum industry, vehicle-mounted pressure balancing workover rig has an important engineering value.

随着石油行业对修井作业高效率、低成本和环保要求的不断提高，本文涉及的车载式不压井修井机具有重要的工程应用价值。

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Study on Workover Rig Pipe Hoop Testing Technology and Monitoring System Design

修井机管箍检测技术研究与监控系统设计

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These risks centralize mainly in drilling and completion operation ( inclusion workover ).

这些风险又主要集中在钻、完井 ( 包括修井 ) 两个主要环节上.

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Large tonnage workover rig adopts double vehicle diesel engine, in order to ensure greater output power. Small tonnage workover rig takes full power of vehicle diesel engine, with a torque converter, mechanical transmission or a pure mechanical transmission box.

大吨位修井机采用双机并车，以保证较大的输出动力，小吨位修井机有底盘柴油机全功率取力，配液力变矩器和机械变速箱或纯机械变速箱的方案。

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It's widely used in oil fields with workover rig, well-machine and other mechanical engineering.

广泛应用于油田用修井机 、 通井机及其它工程机械.

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Developing external markets in downhole service requires well workover operators'higher quality.

井下作业外部市场的开拓,对修井作业员工的素质提出了较高的要求.

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Casing impairment leads to loss of pressure integrity, pinching of production tubing, even an inability to lower workover tools.

套管损坏会导致压力完整性破坏、生产油管磨损，甚至无法下入修井工具。

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Derrick and workover anchor pile are the weakest parts in safe operation.

井架和地锚桩是修井安全作业中的两个薄弱环节。

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Application and Study on Slim Hole Workover Technique

小井眼修井工艺技术应用研究

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This included total elimination of losses by MC in many wells in the workover program.

这包括彻底消除损失由管委会在许多井修井项目.

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Design of Hydraulic BOP System in Workover with PLC Control

液压防喷系统PLC控制设计

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Leave big inner diameter in borehole and it is easy to run in workover tools for downhole operation. Casing impairment leads to loss of pressure integrity, pinching of production tubing, even an inability to lower workover tools.

膨胀管坐挂膨胀后留在井筒内的内径大，便于下入修井工具及井下作业。套管损坏会导致压力完整性破坏、生产油管磨损，甚至无法下入修井工具。

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With the increasing demand of the lateral drilling and slim hole drilling, the coiled tubing ( CT) operating technique will play a great role in horizontal well drilling, well workover and completion.

随着我国侧钻井和小井眼钻井需求的不断增加，连续油管作业技术在我国水平井钻井、修井及完井作业中将会发挥巨大作用。

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The Development and Application for All Hydraulic Unitization Live Well Workover Rig

全液压一体化不压井修井机的研制与应用

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But some workover tools can't meet the needs of operation quality and safe.

但某些工具在施工中不能完全满足施工质量和施工安全的要求.

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As requirements on environmental protection in workover operation are stricter, bleeder is a necessary well tool.

随着油井在修井作业中对环境保护的要求越来越来严格, 泄油器成为必备的井下工具.

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On the base of that, the matching construction of the ocean workover rig for side tracking was discussed. This provided a new way for the slim hole drilling.

在此基础上，针对一种具体的钻井工艺完成了海洋修井机用于开窗侧钻作业的配套方案研究，为海洋小井眼开窗侧钻作业提供了一种新的途径。

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