Patent · US Active

Apparatus and methods to protect connections

US7798238B2 · kind B2 · utility

3Cited by
6References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 2007
Grant dateSep 21, 2010
Priority date
Expiry dateFeb 3, 2028

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L57/005
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

The present invention generally relates to a method and apparatus for protecting tubular connections. In one aspect, an expandable tubular connection for use in a wellbore is provided. The tubular connection includes a tubular pin member. The tubular connection also includes a tubular box member having an end portion, wherein the tubular pin member is matable with the tubular box member to form the tubular connection. Additionally, the tubular connection includes a sleeve member disposed on the tubular pin member, wherein the sleeve member is configured to substantially protect the end portion of the tubular box member as the tubular connection is lowered into the wellbore. In yet a further aspect, a method for utilizing a tubular connection in a wellbore is provided.

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