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:
Nov. 09, 2021
Filed:
Dec. 16, 2019
Applicant:
Trc Services, Inc., The Woodlands, TX (US);
Inventors:
Donald Ewing, Big Spring, TX (US);
Michael Eric Johnson, The Woodlands, TX (US);
Donald Mike Johnson, The Woodlands, TX (US);
Joe Boyd, Midland, TX (US);
Danny Uselton, The Woodlands, TX (US);
Assignee:
TRC Services, Inc., The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 43/12 (2006.01); E21B 47/009 (2012.01); E21B 47/09 (2012.01);
U.S. Cl.
CPC ...
E21B 43/127 (2013.01); E21B 47/009 (2020.05);
Abstract
An automated sucker rod spacing device comprising a housing, a screw set within the housing and connected to a sucker rod string via a polished rod, a nut which is in threaded engagement with the screw, a means to transmit a rotation force to the nut, wherein the rotation of the nut can lower or raise the screw and thus lower or raise the sucker rod string. The device can be used to stop tagging, ensure full pump fillage, and avoid gas lock.