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:
Apr. 21, 2025
Filed:
Mar. 31, 2022
Schlumberger Technology Corporation, Sugar Land, TX (US);
Weichen Lai, Pearland, TX (US);
Rashid Musayev, Rosharon, TX (US);
Akhil Bahl, Richmond, TX (US);
Daniel DeLeon, Alvin, TX (US);
Leping Yu, Pearland, TX (US);
SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US);
Abstract
A contraction joint includes a mandrel at least partially disposed within an upper tubular member, the upper tubular member being capable of moving uphole and downhole to change a length of the contraction joint. The contraction joint also includes a nipple housing connected to the upper tubular member, a piston housing connected to the nipple housing, a support piston disposed in the piston housing, the support piston being affixed to an upper mandrel sub of the mandrel via at least one piston retaining device, a lock housing disposed between the upper tubular member and the upper mandrel sub, and a stroke locking mechanism disposed within the lock housing, the stroke locking mechanism including a profile that engages the nipple housing.