The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 1994
Filed:
Nov. 13, 1992
Jean-Francois Giannesini, Saint Cloud, FR;
Jean-Baptiste Fay, Paris, FR;
Institut Francais du Petrole, Rueil Malmaison, FR;
Abstract
The invention relates to a device for carrying out measuring and/or servicing operations in a well (4), comprising a tubing (2) adapted for being coiled round a drum (1) and a measuring instrument (3) fastened to the end of the tubing. The tubing comprises inwardly a rod (17) elastic in flexure and resisting to compressive stress, well suited for allowing the introduction thereof into tubing (2), notably by thrust. An energy or information transfer line (12) is incorporated during manufacturing of rod (17). Rod (17) is made of a polymeric material comprising reinforcing fibers and it is centered inside the tubing. The invention further relates to a process for assembling the rod in the tubing and to the use of the device in a well producing an oil effluent.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile