查询词典 sucker rod

Hot washing by moving hot washing truck and hollow sucker rod is efficient, less in washing fluid , no formation contaminant, no casinghead gas release. It adapts oil wells with low reservoir pressure and deep depth of plunger and serious paraffin problem.

活动热洗车配合空心抽油杆热洗清蜡热效率高、洗井液少、不伤害油层、不用放套气，适合于地层压力低、下泵深度较深、结蜡严重、常规洗井困难的油井。

It needed install to centralizer on sucker rod string.

需要在抽油杆柱上安装扶正器。

Optimizing the Pumping Parameters(Length of Stroke,Pumping Speed, Plunger diameter and Pump depth) of Sucker-rod Pumping System is a mixed discrete optimization Problem.

优选有杆泵抽油井的抽油参数：冲程、冲次、泵径和下泵深度是一个混合离散变量的优化问题。

The flam e hot spraying can outstandingly increases service life of plunger in sucker rod pump.

在抽油 泵柱塞表面实施喷涂工艺，可显著地提高其使用寿命。

Three order spline interpolation is applied to simulating sucker rod string axis. The problem of discontinuous interpolation caused by azimuth angle periodicity is solved.

应用三次样条插值法对抽油杆柱轴线进行模拟，发现并解决了现有方法中由于方位角周期性而引起的插值不连续问题。

The numberical simulation of sucker-rod pumping systems is a mathematical method based on wave eguation to analyse the behavior of the systems.

有杆抽油系统的数值模拟是以波动方程为基础研究系统工作动态的数学方法。

Sucker rod oil pumping is primary method in all these artificial pumping methods precedently.

目前，在各种人工举升采油方法中，有杆抽油法仍居于首要地位。

With the development of the oilfield, deviated wells, sidetracking wells and horizontal wells have more and more important function,whereas the particularity of casing programme limited the landing depth of sucker rod pump ,and affected the producibility of oil well seriously.

随着油田的开发，斜井、侧钻井、水平井等非直井在油田开发中起到越来越重要的作用，但由于井身结构的特殊性，限制了有杆泵的下入深度，严重影响了油井的生产能力，同时抽油井杆管偏磨，已成为非直井降低产量，增加作业成本、增加杆管成本的主要矛盾。

Combining with practical application, the factors that influence sucker rod pump performance are studied in this dissertation.

本文结合工程实际，对影响有杆抽油泵性能的因素进行了比较深入的研究。

Our main products are: fiber glass rod; fiber glass tube; fiber glass doors and windows; fiber glass section material for doors and windows; fiber glass sucker rod, all the products are being well sold all over China, and sold to Japan, America, western Europe, Russia, and South East countries and areas.

主要产品包括：玻璃钢棒材、管材、玻璃钢门窗、玻璃钢门窗型材、玻璃钢抽油杆，产品畅销中国各地，并远销日本、美国、西欧、俄罗斯及东南亚等国家和地区。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。