· Oil casing shows an important role [2019-10-25 HITS：2]
Oil casing can be roughly divided into surface casing and surface casing. 2、 Intermediate sleeve. 3、 Production casing. 4、 Drilling casing. The surface casing is mainly used to hang and support the subsequent layers of casing... [READ]

· Analysis of advantages of laser processing petroleum screen pipe [2019-09-25 HITS：2]
The main function of oil screen pipe is sand prevention. Due to the geological conditions of oil wells, different sand layers and different steel grades and types of pipes are used. In oil drilling and production, screen pipe... [READ]

· What are the cutting methods of seamless steel pipe [2019-08-22 HITS：10]
Thick-walled seamless steel pipe is a common type of thick-walled seamless steel pipe. It is a special material of thick-walled steel pipe. For thi... [READ]

· How to Conduct Hydraulic Test for Oil Casing [2019-08-22 HITS：10]
Hydraulic test of oil casing is an indispensable link in steel pipe production and manufacturing process, and an important means to test the overal... [READ]

· Construction of Petroleum Pipeline Installation Convenient Road and Reinforcemen [2019-08-22 HITS：2]
The installation of petroleum pipeline in construction roadway includes the reinforcement of construction work zone. The reinforcement of construction ... [READ]

· How to Enhance the Safety of Petroleum Pipeline [2019-08-15 HITS：1]
At present, Xinjiang oil and gas pipeline protection is facing severe challenges. At present, the key factor affecting the safety of oil and gas f... [READ]

· What are the requirements for hydrostatic test of oil casing [2019-08-15 HITS：5]
Hydrostatic test is an indispensable link in the manufacturing process of steel pipe. Its function is to detect the anti-leakage function of steel ... [READ]

· What are the characteristics of extra-thick oil casing [2019-08-15 HITS：3]
External thickening of oil casing is one of the basic threads issued by the Petroleum Association, which uses conical pipe round threads to complet... [READ]

· What are the inspection methods for petroleum pipes? [2019-08-15 HITS：4]
When the ultrasonic wave is spread in the tested raw materials, the acoustic characteristics of the raw materials and the transformation of the int... [READ]

· High and New Technology of Petroleum Casing: Heat Treatment Technology [2019-08-15 HITS：2]
After using this heat treatment method, the impact toughness, tensile strength and damage resistance of oil casing can be effectively improved, and ... [READ]