News

Analysis of Reason and Form of Failure of Casing Pipe

Casing pipe is connected by screw threads. So, it not only has claim on the thread of casing pipe, but also require that the thread has certain air tightness and durability. At present, the oilfield casing pipe which account for large...............

2016-04-11 16:15:53
Solid Control- Desilter

Desilter is in third level of purification equipment in mud solid control system. It is designed by take the principle of particle settling into consideration. Drilling fluid as separating medium of desilter can generate a certain pressure.............

2016-04-08 17:15:55
Drilling Rig Accessories- Derrick

The hoist system of drilling rig consists of drawwork, derrick, overhead travelling crane, traveling block, hook, wire rope and others.Derrick is made up of body, A-frame, water table, racking platform, working ladder.............

2016-04-08 17:12:10
Manual Power Tong-Maintenance (2)

Some mud is sprayed onto the hydraulic lifting arm to flow into the hydraulic lifting arm shell, it is accumulated in the inside and the piston rod of the lifting arm is worn out. At the same time, the piston rod and the piston oil seal cause oil

2016-04-01 16:45:22
Manual Power Tong-Maintenance (1)

Manual power tong has be widely used in oilfield. But in the field, due to the use of improper maintenance, it often cause drilling tool damage when the well team pulling out and going down and production time consume excessively.

2016-04-01 16:42:19
Inspection of Drilling Swivel

The drilling swivel has been carried out the load and water pressure test in the factory before they leave the factory. When leaving, the shell of drilling swivel is empty. Before using it, you must do following work.

2016-03-30 16:55:27
The Structure of Drilling Swivel

Drilling swivel is one of the main equipment in oil and gas industry. The main technical parameters of the drilling swivel include: model, maximum load rating, working load, working pressure, center pipe diameter, etc.

2016-03-30 16:31:21
Analysis and Selection of Drilling Rig Auxiliary Brake (2)

The installation which be completed by connecting the shaft coupling with a winch drum shaft of electromagnetic auxiliary brake is very simple, and rig personnel can complete the installation and calibration.

2016-03-28 16:33:26
Analysis and Selection of Drilling Rig Auxiliary Brake (1)

The auxiliary brake of drilling rig accessories is an indispensable part in the whole rig, and it as an important factors can guarantee safe operation. The main brake and auxiliary brake winch with each other, and they are indispensable.

2016-03-28 16:24:53
Sucker Rod-History

The sucker rod has a history of nearly one hundred years. The most original brine sucker rod is made with a cane.The first metal sucker rod patent (U.S.528168) is realized in the United States.........

2016-03-17 16:04:00