• August 26. 2022

JST develops and supplies downhole tool seals for the oil and gas industry. We have developed and improved PTFE, NBR, HNBR, FKM, peek and other materials. These materials have high pressure resistance and good sealing performance, and have passed the hydrogen sulfide immersion test and explosion-proof test. Generally speaking, sealing materials suitable for downhole harsh conditions are not easy t...

• September 09. 2022

Guangzhou JST Seals offers downhole sealing solution and products. Bottom hole assembly (BHA) tools (such as impactors and jars) need to be sealed to protect the tool hydraulic system from the impact of abrasive drilling mud and cuttings in the hole. Measurement while drilling (MWD) tools sometimes need high-temperature sealing solutions. This field operation is expensive, If seal failed it would ...

• June 13. 2023

Packer Elements are elastomeric components designed to be used between sections of oil and gas production tubing, providing superior sealing and isolation capabilities. Made of high-quality rubber material such as NBR, HNBR and Aflas, the packer element provides superior sealing performance, ensuring maximum well integrity and efficient production. Designed for challenging downhole environments, P...

• October 23. 2026

High-pressure oil and gas equipment operates under demanding conditions where seal performance can directly affect equipment reliability, maintenance requirements, and operational safety. From wellhead and production equipment to oilfield valves, downhole tools, and fracturing systems, each application places different demands on the sealing system.   Choosing the right seal involves more tha...