TPCO TP-G2 Premium Connection: High-Alloy Development and Custom Accessory Support

TPCO’s official publications trace TP-G2 development for demanding high-alloy tubing applications and report further developments involving TP-G2(NF) couplings and TP-G2 FE deepwater risers.

For buyers sourcing accessories for a TP-G2 string, understanding the exact connection designation is an important first step. TPCO’s published development history provides useful background—and shows why the specified version matters when ordering pup joints, crossovers or threaded tool components.

Developed for High-Alloy Tubing

TPCO identifies TP-G2 development with high-alloy tubing for high-temperature, high-pressure and highly corrosive environments.

Its official publications record a 2016 Tianjin Science and Technology Progress Award and a 2017 Metallurgical Science and Technology Award for the associated design and development work. [1]

This background is relevant to buyers considering connections for corrosion-resistant tubing. Selection for a particular well still requires the applicable material, dimensions, loads and connection performance data.

TP-G2(NF): A Published Dual-Seal Development

In June 2019, TPCO announced batch production of TP-G2(NF) premium connection couplings.

The announcement describes an internal and external dual-seal design intended to maintain sealing under changing pressure conditions. It also explains that the coupling geometry required dedicated machining-program development and tooling modifications. [2]

The report highlights the importance of manufacturing control around connection sealing features. These design details relate specifically to TP-G2(NF).

TP-G2 FE: An Offshore Application Reference

A separate TPCO publication reports that its TP-G2 FE deepwater riser product supported China’s second offshore natural gas hydrate production trial in 2020. [3]

This provides a documented application reference for TP-G2 FE. Its offshore service record should be read alongside the exact product designation, rather than treated as a performance qualification for every TP-G2 component.

Sourcing TP-G2 Pup Joints and Crossovers

For a procurement package, the practical requirement may be a short pup joint, a crossover between different connections or a component manufactured to a project drawing.

Jiangsu Service Petroleum Technology Co., Ltd. (SWS) holds TPCO premium connection threading authorization and welcomes TP-G2 accessory inquiries. The specified connection version, size, material and applicable authorization scope are reviewed before manufacturing is confirmed.

SWS supports drawing-based customization and customer-supplied material. The minimum order quantity for premium connection products is one piece. Urgent requirements can be assessed against material availability and production scheduling.

Need TP-G2 pup joints, crossovers or custom threaded components? Send your drawing or item list to SWS.

Please include the complete connection designation, dimensions, material grade, quantity and required delivery date. Authorization, inspection and quality-document requirements can be reviewed together.