A full range of oil drill pipe tool joint coupling manufacturers in China Drill Pipe Manufacturer-Elite 0:33 1 year ago 276 Далее Скачать
2Meters Thread Drill Pipe Connect 121mm Tool Joint API NC38 Thread From TongShun Drilling Machine. Lisa Lee 0:30 3 years ago 148 Далее Скачать
Manufacturing process of drill pipe joint external thread Brave Machinery 1:01 1 year ago 55 Далее Скачать
What is the Difference between Pup Joint & X-Over / Crossover? FOPENGG 4:52 2 years ago 7 960 Далее Скачать
DRILL PIPE ELEMENTS GRADES internal upset external upset drilling rig learn offshore drilling 2:03 5 years ago 22 041 Далее Скачать
