US 11,753,885 B2
Autonomous tractor using counter flow-driven propulsion
James Dan Vick, Jr., Dallas, TX (US); Michael Linley Fripp, Carrollton, TX (US); and Xiaoguang Allan Zhong, Plano, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on May 29, 2019, as Appl. No. 16/424,888.
Claims priority of provisional application 62/679,107, filed on Jun. 1, 2018.
Prior Publication US 2019/0368290 A1, Dec. 5, 2019
This patent is subject to a terminal disclaimer.
Int. Cl. E21B 23/00 (2006.01); E21B 41/00 (2006.01); E21B 15/04 (2006.01); E21B 33/068 (2006.01); E21B 44/00 (2006.01); E21B 44/02 (2006.01); F03B 13/02 (2006.01); E21B 47/06 (2012.01); E21B 47/07 (2012.01)
CPC E21B 23/001 (2020.05) [E21B 15/045 (2013.01); E21B 23/00 (2013.01); E21B 33/068 (2013.01); E21B 41/00 (2013.01); E21B 41/0085 (2013.01); E21B 44/005 (2013.01); E21B 44/02 (2013.01); F03B 13/02 (2013.01); E21B 47/06 (2013.01); E21B 47/07 (2020.05)] 34 Claims
OG exemplary drawing
 
1. A wellbore tractor, comprising:
a base member;
one or more turbines fixed to the base member for rotating the base member in a first rotational direction based upon a first direction of fluid flow; and
one or more wellbore engaging devices radially extending from the base member and configured to rotate with the base member, the one or more wellbore engaging devices contactable with a surface of a wellbore for displacing the base member and one or more turbines axially downhole as the one or more turbines rotate in the first rotational direction.