Moccasin (Kelly)

Product Description We can manufacture square drill rods and hexagonal drill rods as per requirements of customers. They are made of AISI 4142H-4145H forged or rolled alloy structural steel. Quenching plus tempering thermal treatment will be conducted over the whole length. Its ...

Come From Dongying Lake Petroleum Technology Co.,

Description: Kelly Valveis an effective manually operated ball type valve for the drill stem. It located within the drill string that allow for free-passage of drilling fluid without pressure loss and are specifically designed for effective control of blow outs and/or mud loss ...

Come From Dongying Lake Petroleum Technology Co.,

Product Description Full Opening Safety Valve is a ball type safety valve used to stop flow through the drill string when the drill string is being withdrawn from the well. Our Full Opening Safety Valve is dual body full-opening safety valve, so it does not interfere with the ...

Come From Dongying Lake Petroleum Technology Co.,