Sound can be in the pipe string, can be in ancient books.
声可托于弦管，名可留于竹帛。
The results in this paper can be practically used for pipe string design and operational parameter selection for HPHT deep well down hole operations.
本文研究的结果对于高温、高压深井井下作业管柱的合理设计和作业参数的合理选择等具有较大的实用价值。
What is the drill pipe string weight in air?
钻杆在空气中的重量是多少？
In order to solve this problem, the pipe string for pumping thick-oil is designed.
为解决偏远井及偏远区块的稠油井井筒举升的问题，设计此稠油管柱。
The gas lift valve on the conventional gas lift pipe string is easy to fail and cannot be replaced in the hole.
常用的气举采油管柱存在的问题是气举阀易失效，不能投捞进行更换，严重影响管柱的效率和使用周期。
Sectional optimization of reservoir: After the optimization, put into production directly without remove the pipe string;
储层分段改造：改造之后不动管柱直接投产；
The separated layer polymer injection pipe string consists of well-flushing packer, down-hole flow distributor and bottom ball.
分层注聚管柱主要由可洗井封隔器、配注器及底球组成。
Made up of oil expanding type or water expanding type expandable elastomer material, mechanical pipe string, centralizer and etc.
由油胀式或水胀式可膨胀弹性体材料与机械管柱、扶正器等构成。
The results of tests show that the technology pipe string is advanced and reliable and has an obvious social and economical benefit.
经室内试验和现场试验应用证明，该工艺管柱技术先进，换层可靠，经济效益和社会效益明显。
Considering the status of separate layer water injection in directional well, the injection tools and pipe string are developed and collocated reasonably.
针对定向井分层注水的现状，对定向井分注工具和分注管柱进行了研制和合理配置。
The mechanical analysis of operating the high temperature high pressure deep well testing pipe string is one of the key techniques in testing engineering design.
高温高压深井测试管柱的工作力学分析是测试工程设计的关键技术之一。
For the well completion method by slotted liner, well completion parameters, single slotted liner length and pipe string structure in well completion are optimized.
针对割缝衬管完井方法，进行了完井参数、单根割缝衬管长度、完井管柱结构的优化设计。
Y344-110 inspecting leakage pipe string was designed to resolve the problem of Jiang-453 that packer rubber being damaged easily and flow controller being not seal well.
针对江45 3找漏管柱存在的封隔器胶筒容易损坏、节流器密封不严等问题，设计了Y344- 110找漏管柱。
The pipe string includes double hydraulic cylinder with anchorage packer, double hydraulic cylinder without anchorage packer, releasing tool, reversing valve and centralizer.
该工艺管柱主要由双缸液压锚定封隔器、双缸液压无锚定封隔器、液压丢手工具、换层开关、扶正器等工具组成。
According to the large interiayer pressure difference and interiayer inconsistency in Sa-Gao reservoir of Yingtai oilfield, designed the selective zone production pipe string.
英台油田萨-高油层层间压差大，层间矛盾突出，针对这一现状，提出了分层合采技术。
The anchoring or set to the artificial bottom hole of the separate injection pipe string has solved the creep of the pipe string resulted from the unstable water injection pressure.
分注管柱实施锚定或支撑到人工井底，克服了管柱因注水压力不平稳等原因造成的管柱蠕动现象；
The design feature and working principle of the hydraulic accelerator and the fishing jar art, introduced. The motion pattern and dynamic performance of the jar pipe string are analyzed.
介绍了液压加速器和震击器的结构、工作原理以及震击管柱运动规律与动力性能。
Pipe string structure, mechanism of this technique, technique feature and application in field are introduced.
介绍了其管柱结构、工艺原理、技术特点及现场应用情况。
Pipe string structure, mechanism of this technique, technique feature and application in field are introduced.
介绍了其管柱结构、工艺原理、技术特点及现场应用情况。
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