Title:
CONNECTOR OF PRODUCING PIPE FOR OIL WELL
Document Type and Number:
Japanese Patent JPS59137692
Kind Code:
A
Abstract:
A production-tube connection for an oil well, comprises a cylindrical outer sleeve (22) provided with an inner annular shoulder (23). A plurality of internally profiled rings (25, 29, 31, 33, 35) which are coaxial with the sleeve, are inserted into the sleeve, and are clamped axially against the shoulder to form the inner profile of the connection.
Inventors:
POORU MAKISHIMU HERU
Application Number:
JP1177284A
Publication Date:
August 07, 1984
Filing Date:
January 25, 1984
Export Citation:
Assignee:
PETROLES CIE FRANCAISE
International Classes:
F16L15/00; E21B17/04; E21B17/042; E21B23/02; (IPC1-7): F16L15/00
Attorney, Agent or Firm:
Yukio Maruyama