In order to improve the service performance of emulsion motor which is the most important component of drill rig, emulsion motor's structure and design method were studied.

为了提高钻机核心部件——乳化液马达——的性能，对乳化液马达的结构、设计方法进行了研究。

youdao

By analyzing the wind disaster of oil rig derrick, the basic reasons of the By analyzing normal work or falls in the service drilling machine derrick in oilfield were analyzed.

从石油井架风灾害分析入手，客观分析了油田在役钻机井架不能正常工作或倾倒的根本原因。

youdao

However, the study in the hydraulic top drive only used in the service machine, poor-boy rig, also there have no research on deep and ultra-deep series of hydraulic top drive unit in China.

然而，对液压顶驱的研究，还停留在修井机、和浅井钻机上。国内目前还没有深井和超深井系列的液压顶驱装置。

youdao

The service companies and drill rig operators are exciting due to the probable magnitude of earnings momentum this year and next.

FORBES: Magazine Article

In the oil service sector, North American pricing remains depressed into a declining rig count.

FORBES: Catch The Bus For 1650 Market Street

The bad news is much of this is already priced into the stocks of some oil-service companies, including BJ Services and Transocean (nyse: RIG - news - people ), both selling for more than 30 times this year's expected earnings.

FORBES: Magazine Article