Patent · US Expired

Submarine wellhead

US5213162A · kind A · utility

42Cited by
12References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 14, 1992
Grant dateMay 25, 1993
Priority date
Expiry dateFeb 14, 2012

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/013
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A submarine wellhead (10) for producing wells, including a hollow body (14) mounted in a water-tight fashion on a well (16) configured to receive a suspension device (30) equipped with a production column (26) designed to be lowered down into the well, which body (14) is also equipped with an outlet port (20) for the oil coming up from the well through the production column (26), hydraulic flow between the production column (26) and the outlet port (20) occurring through the suspension device (30), and hydraulic flow being ensured regardless of the rotation position of the suspension device (30) in relation to the body (14).

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