• April 12. 2023

The completion wellhead device refers to the oil (gas) tree, tubing head, casing head, and related accessories, which are used for suspension, support, control, regulation, and other oil (gas) equipment. In oil and gas extraction equipment, the sealing part plays a crucial role, and its performance is related to whether the oil and gas well can produce safely and efficiently. Sealing of commonly u...

• November 03. 2023

Well completion is the process of making a well ready for production after drilling. As in well drilling, seals used in well completion have to cope with the increasingly harsher conditions of deeper wells and diverse geographical areas, from the heat of Africa to the cold of Canada, Norway or Russia, with storage conditions as low as to -60℃. The system pressure can vary from 345 bar to 2070 bar,...

• July 29. 2026

Selecting the right casing hanger seal is an important part of designing or maintaining an oil and gas wellhead. The seal must maintain pressure integrity between the casing and wellhead components while accommodating the actual dimensions, surface condition, pressure, temperature, and well fluids involved.   A seal that matches the nominal casing size may not necessarily be the right choice....