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:
Jun. 07, 2022
Filed:
May. 02, 2020
Openfield, Versailles, FR;
Eric Donzier, Bercheres sur Vesgre, FR;
Linda Abbassi, Katy, TX (US);
Emmanuel Tavernier, Paris, FR;
OPENFIELD, Versailles, FR;
Abstract
A guiding sub-section () of a production logging tool () comprises a central rigid stem () having a first mechanical connector () at one end and a second mechanical connector () at an another end, and carrying a roller deploying arrangement () comprising multiple external articulated arms (A,B,C) circumferentially distributed about said body, each articulated arm comprising a roller assembly (A,B,C) adapted for contact with a wall () of the hydrocarbon well () and operable from a retracted configuration into a radially extended configuration. The roller assembly (A,B,C) comprises an arm hinge () coupling a first arm part and a second arm part of each articulated arm (A,B andC) and having an arm hinge axis (AA') substantially perpendicular to the longitudinal axis (XX′), a roller bearing () secured onto the arm hinge () and having a roller axis (BB′) angled with respect to the hinge axis (AA′), and an anti-slippage friction roller () received onto the roller bearing () in a rotation free manner.