查询词典 sinker bar

It is also indicated that the sinker bar is of great importance.

指出加重杆的作用是十分重要的。

Let's connect the electronic pressure gauge and sinker bar now.

现有连接电子压力计和加重杆。

Applying Visual Basic ,the paper make modes of buckling ,load calculating, rod designing , sinker bar and couplings designing to realize on computer. It provides effective means for analyzing sucker rod dynamic behavior and designing rod combination in casing production well.

利用VB把建立的屈曲分析、载荷计算、杆柱设计、加重杆和扶正器设计模型编制程序实现计算机计算，为套管采油井抽油杆柱的力学行为分析和设计提供有力工具。

Taking two wells of Caiyou Wuchang in Zhongyuan oil field , as examples ,H12-150 and H7-79, the paper applied the program to calculate rod load s and analyze buckling, what's more, it designed sinker bar with different diameter and corresponding sucker rod combination, finally couplings have being designed.

以中原油田采油五厂H12-150和H7-79两口井为实例，利用编制的程序进行杆柱载荷校核、屈曲分析，并设计不同尺寸的加重杆和相应的杆柱组合，以及设计扶正器和防脱器。

Based on the practice of the use of φ95mm subsurface sucker rod pump in Shengtuo Oilfield in recent years, the causes of the failure of the pump are analyzed, and relevant precautions are put forward:(1)selecting oil wells with sufficient fluid supply for pumping;(2)under the condition of the pump efficiency being the same, the submergence depth of the pump being somewhat larger than that of the small pump, and 450～500m being feasible;(3)adopting Grade H ultrahigh-strength rod string and fixing a sinker bar at the bottom of the rod string;(4)selecting long stroke and low pumping speed, and more than 5m stroke and less than 6min-1 pumping speed being recommended;(5)adopting zirconium oxide valve ball and seat ＋ spray welded plunger ＋ nitrided barrel.

根据胜坨油田近几年采用φ95mm有杆抽油泵提液的实践，分析了造成这种抽油泵失效的原因，包括与其配套的脱节器失效、抽油杆断脱、泵漏、电动机不配套和生产管理不善等。为增强泵的提液能力和工作可靠性，提出5 项预防措施：(1)选择有充足供液能力的油井；(2)在保持相同泵效的情况下，泵的沉没度应略大于小泵，推荐按450～500m设计；(3)采用H级超高强度抽油杆柱，并在杆柱底部配置一定重量的加重杆；(4)采用长冲程、低冲次的参数匹配，推荐光杆冲程大于5m，冲次小于6min-1；(5)为提高泵筒、活塞和阀座的防腐耐磨性，推荐采用&氧化锆阀球和阀座+喷焊柱塞+氮化泵筒&的结构形式。

Multi-function string which combines hollow rod electric heating, adding hot waste water above pump, adding hot waste water below pump, hot water circulation below pump, using sinker bar below pump, and borehole chemical viscosity reduction has been used selectively according to different production requirement and reservoir conditions.

采用能实现空心杆电加热、泵上掺热污水、泵下掺热污水、泵下热水循环泵上掺入、泵下配置加重杆、井筒化学降粘等多功能综合管柱，适应各种不同生产要求，根据油层条件，选取一种或多种组合、配套。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。