Patent · US Active

HTHP corrosion resistant composite seal via recrystallization of reactive composite: formulation and deployment

US12365826B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignees

CNPC USA Corporation · US
Beijing Huamei, Inc. · CN
China National Petroleum Corporation · CN

Inventors

Lei Zhao · Beijing, CN
Jiaxiang Ren · Houston, US
Timothy DUNNE · Missouri City, US
Peng Cheng · Shanghai, CN

Key dates

Filing date	Aug 10, 2023
Grant date	Jul 22, 2025
Priority date	—
Expiry date	Aug 18, 2043

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B33/1243
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

The Patent Application discloses an in-situ swellable composition suitable for use in subterranean wells. The swellable composition may comprise a composite material. The composite material swells on contact with water due to chemical reaction of the composite material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.