Prediction of sucker rod string dynamic characteristics and computer simulation research for rod pumping system［D］.

李冬平免费的精油按摩毛片。有桿抽油系統(tǒng)桿柱動特性的預(yù)測與計算機(jī)仿真［D］性多多视频。

The primary result indicated that the work condition monitoring system of sucker rod pumping well was in good working order in site.

初步結(jié)果表明sansansy.com，油田油井遠(yuǎn)程監(jiān)測系統(tǒng)的實際運行取得了良好的效果国产又黄又湿又色的免费网站。

Take the beam pumping unit and sucker rod as a research object.

本論文以游梁式抽油機(jī)和井下抽油桿柱為研究對象。

Moreover, the system has developed a complete set of data-processing software for the automation management of datas of tubing and sucker rod.

此外久艹a免费视频，系統(tǒng)還開發(fā)了配套的數(shù)據(jù)處理軟件那里有黄色毛片看，為管桿數(shù)據(jù)管理的自動化提供了良好基礎(chǔ)。

Oil pumping with sucker rod takes a large proportion in mechanical oil production, and is one of the main energy-consumption equipment.

有桿抽油在機(jī)械采油中占有很大比例′久久九九在线视频，是油田主要耗能設(shè)備之一欧美h福利网站。

Aiming at these problems, a large number of experimentation research on the surface protection materials of the flexible continuous sucker rod were made in this paper.

針對這些問題，論文對柔性連續(xù)抽油桿表面防護(hù)材料進(jìn)行了一系列的研究欧美一级黃色视频在线观看。

Design and use of sucker rod pumping system with high efficency［M］.

馮耀忠欧美性爱第十页。高效率設(shè)計和使用有桿抽油系統(tǒng)［M］。

For sucker rod pumping system, it commonly used the explicit difference method to evaluate a rod pumping performance.

對石油開采中的有桿抽油系統(tǒng)一级片在线观看，通常采用顯式差分法進(jìn)行求解中国精品jizzjizz。

Self-organizing competitive neural network is used in this paper to classify dynamometer cards in fault diagnosis of sucker rod pumping system.

將自組織競爭神經(jīng)網(wǎng)絡(luò)應(yīng)用于示功圖的識別與分類，建立了一個自組織競爭神經(jīng)網(wǎng)絡(luò)模型對示功圖進(jìn)行自動聚類影音先锋今日资源，從而實現(xiàn)故障診斷的自動化成人日韩欧美一区二区免费。

The micro-crack for sucker rod is inspected by magnetic flux leakage inspection by now, but it is not good for accuracy and sensitivity.

針對目前漏磁檢測抽油桿微裂紋的精度和靈敏度不高的現(xiàn)狀，提出一種通過拉伸抽油桿使微裂紋張開后的漏磁檢測法。