钻管

This pressure must be under control, and we control it by means of the mud which we circulate down the drill pipe.

这种压力必须加以控制，而且我们控制压力的方法是把泥浆灌注到钻管中去。

Translated Description: drill pipe products in China, the United States anti-dumping and countervailing investigations in the U.S.

Description：美国对华钻管产品进行反倾销和反补贴调查。

The invention is mainly open end of a drill pipe thickening processing method, according to the use of drill pipe body known, drill pipe end thickening in the production of drill pipe body is an important influence the quality of the drill pipe links thickening process design determines much ...

该项发明主要是公开了一种钻杆管端加厚的加工方法，根据钻杆管体的使用情况可知，钻杆管端加厚在钻杆管体生产中是影响整个钻杆质量的重要环节，加厚工艺设计的好坏很大。。。

Pipe wrench dogs within each pipe rack pot are used to loosen the pipe from the rotary head coupling, when return-ing drill pipe to the rack.

当将钻管放回管架上时，用每个管架罐内的管钳爪将管子从转动管接头上松开。

March 1960, the Secretary for the successful development of a charcoal powder as the main raw materials of "603" drug-free carburizing agent for liquid carburizing, a domestic initiative and promote the use of the country, replacing imported products. 1978, the Division I-IF heat treatment of geological drilling results, the General Assembly by the National Science and Technology Award. November 1983, held in Shanghai in the third international material, heat treatment, when there are several hundred Chinese and foreign experts to the Division I visited. 1986, I was the Secretary for the first heat treatment in the production license. 1987, Secretary of precision gear chemical heat treatment projects, scientific and technological progress in the third place. 1989, I was named Division II national enterprises, is the same industry in the first. 1990, the multi-sensor film coating mouth heat treatment results in the revitalization of the first prize.

1960年3月，我司研制成功了以木炭粉为主要原料的&603&无毒渗碳剂，用于液体渗碳，属国内首创并在全国推广应用，取代进口产品。1978年，我司的地质钻管中频热处理成果，获全国科技大会奖。1983年11月，在上海召开的第三届国际材料热处理年会时，有几百名中外专家到我司参观。1986年，我司获市首批热处理生产许可证。1987年，我司的精密齿轮化学热处理项目，获市科技进步三等奖。1989年，我司被评为国家二级企业，是全国同行业中的第一家。1990年，感应胶片的多层涂布嘴热处理成果获市振兴一等奖。

The influence of different post weld heat treatment conditions on the microstructures and mechanical properties of friction welded joints between drill pipe DZ60 steel and its tie-in 40Cr steel has been discussed.

摘 要：首次采用摩擦焊接工艺对地质勘探用钻杆的管体与接头进行了焊接试验，探讨了不同的热处理工艺条件对DZ60钢钻杆管体与40Cr钢接头摩擦焊接头组织与性能的影响，并与采用热墩粗工艺生产的钻杆管体组织与性能进行了对比。

Multi channel rotating probe system and ultrasonic units for inspection of oil drill pipes from the bore.

多通道旋转探头系统和超声单元用于检测钻孔后的石油钻管。

Oil supply is made through drilled channels or pipe thread.

石油供应是通过渠道或钻管螺纹。

The thrust force and surface roughness of core drill with grit size of diamond, thickness, feed rate and spindle speed in drilling carbon fiber reinforced plastic laminate was experimentally investigated in this study.

本研究以管钻，配合田口式品质工程实验方法，选用钻石粒度、钻管厚度、进给速率与主轴转速为可控制因子，对碳纤维复合材料进行钻削，藉以了解四个可控制因子与其之间交互作用为何，并决定品质因子之最佳化钻削条件。

As they drilled into the central and deepest part of the Mediterranean basin, the scientists took solid, shiny, crystalline salt from the core barrel.

当钻到地中海盆地中心的最深处时，科学家们从钻管中获得了坚实的、光亮的结晶盐。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。