Wells – Processes – Placing or shifting well part
Patent
1991-02-20
1992-04-07
Neuder, William P.
Wells
Processes
Placing or shifting well part
166336, 166319, E21B 712, E21B 3410
Patent
active
051019078
ABSTRACT:
A differential pressure actuating system for downhole tools provides endless operation by the use of the differential pressure between two isolated zones of a well as a power source for the tool. That differential pressure is applied across a power transfer element to operate the downhole tool.
REFERENCES:
patent: 3779263 (1973-12-01), Edwards et al.
patent: 3856085 (1974-12-01), Holden et al.
patent: 4113012 (1978-09-01), Evans et al.
patent: 4234043 (1980-11-01), Roberts
patent: 4252195 (1981-02-01), Fredd
patent: 4258793 (1981-03-01), McGraw et al.
patent: 4347900 (1982-09-01), Barrington
patent: 4375239 (1983-03-01), Barrington et al.
patent: 4378850 (1983-04-01), Barrington
patent: 4403659 (1983-09-01), Upchurch
patent: 4422506 (1983-12-01), Beck
patent: 4583593 (1986-04-01), Zunkel et al.
patent: 4711305 (1987-12-01), Ringgenberg
patent: 4796699 (1989-01-01), Upchurch
patent: 4856595 (1989-08-01), Upchurch
patent: 4866607 (1989-09-01), Anderson et al.
patent: 4896722 (1990-01-01), Upchurch
patent: 4915168 (1990-04-01), Upchurch
patent: 4979568 (1990-12-01), Spencer, III et al.
Manke Kevin R.
Schultz Roger L.
Skinner Neal G.
Beavers L. Wayne
Halliburton Company
Neuder William P.
LandOfFree
Differential actuating system for downhole tools does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Differential actuating system for downhole tools, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Differential actuating system for downhole tools will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1889248