Donald M Ewing

US Patent:

20200232285, Jul 23, 2020

Filed:

Jan 21, 2020

Appl. No.:

16/748248

Inventors:

- The Woodlands TX, US
Michael Eric Johnson - The Woodlands TX, US
Donald Marvin Ewing - Midland TX, US

International Classification:

E21B 17/00
E21B 19/00

Abstract:

A metal sucker rod has a first end and a second end spaced apart from the first end. At least one end piece with a recess is configured to receive one of the first end and the second end of the metal sucker rod. The metal sucker rod includes an adhesive applied to at least one of a) the first end and the second end of the steel rod and b) in the recess of the at least one end piece. The adhesive is configured to secure the end piece to one of the first end and the second end.

US Patent:

20170211365, Jul 27, 2017

Filed:

Jan 20, 2017

Appl. No.:

15/411220

Inventors:

- The Woodlands TX, US
Donald Ewing - Big Spring 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

International Classification:

E21B 43/12
E21B 47/00
E21B 41/00

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.