He strained his back during a practice session.

It can be extensively applied to tubing string for oil production technology.

可广泛应用于油水井增产增注工艺管柱上.

Oil production with hollow rod is one of plug in pumps.

空心杆采油属套管插入式泵的一种.

The war caused a large-scale drop in oil production.

战争使石油大幅度减产.

China has placed more emphasis on domestic oil production.

中国更加重视国内的石油生产.

OPEC expected at the meeting will be announced reduction in oil production.

市场预计欧佩克将在会上宣布下调石油产量.

Kill the well with drilling fluid.

用钻井液压井.

Drilling fluid HTHP behavior differs for different fluid systems.

不同钻井液体系的高温高压钻井液性能不同.

The mechanisms and characteristics for the polyglycol-based drilling fluid have been reviewed.

综述了聚合醇(多元醇)钻井液的作用机理和特点.

Solid control on drilling fluid is an essential technique for under-balanced drilling.

钻井液固相控制是欠平衡钻井成败的关键技术之一.

This paper also discusses the engineering of the new drilling fluid.

本文还讨论了新型钻井液的工艺技术问题.

This drilling fluid meets the requirements of aerated drilling technology.

该钻井液可满足充气工艺要求.此外,该钻井液密度连续可调.

Drilling fluid viscosity has greatly affected gas detection logging.

钻井液粘度对气测录井影响较大.

The operating personnel can observe filter loss of drilling fluid.

透过杯体观察钻井液渗透情况.

This article introduce a kind of mechanical and electric combined drive drill rig.

介绍了一种机电复合驱动石油钻机.

This thesis introduces briefly the structures, test situations and main technical parameters of the drill rig.

本文着重介绍了钻机的结构特点 、 试验情况、主要技术参数等.

It is unshrinkable, sun-resistant and crease-resistant.

它不缩水 、 不怕晒、不起皱.

The crease-resistant detergent is suitaBle for all materials that creases easily.

防皱洗涤剂适用于任何易皱面料.

Are fixtures, ducts , and overhead pipes installed to prevent drippage into product and materials?

是否有吊顶管路等装置来防止凝聚滴水污染产品和材料?

Please empty the drippage from under the refrigerator.

请将冰箱下面的积水倒掉.

Owing to the heavy rain, all of us were soaked to the skin.

因为这场大雨, 我们大家都浑身湿透了.