using drag blocks frictionally engaging the inner wall of the well

Industry

CPC
E21B33/12955

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B33/00Sealing or packing boreholes or wells

Current Industry

E21B33/12955using drag blocks frictionally engaging the inner wall of the well

Industries

Patents Grantslast 30 patents

Information Patent Grant
Downhole packer assembly
- Patent number 11,708,740
- Issue date Jul 25, 2023
- Welltec Oilfield Solutions AG
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Frac plug system having an integrated setting tool
- Patent number 10,808,492
- Issue date Oct 20, 2020
- BAKER HUGHES, A GE COMPANY LLC
- Gregory Hern
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tools having controlled degradation
- Patent number 10,597,965
- Issue date Mar 24, 2020
- Baker Hughes, a GE company, LLC
- Ryan Allen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well plug anchor tool
- Patent number 10,472,922
- Issue date Nov 12, 2019
- INNOVEX DOWNHOLE SOLUTIONS, INC.
- Chris Cuffe
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packer assembly including a support ring
- Patent number 10,370,935
- Issue date Aug 6, 2019
- Baker Hughes, a GE company, LLC
- Alexander Morrison Kendall
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole repeat micro-zonal isolation assembly and method
- Patent number 10,024,130
- Issue date Jul 17, 2018
- Halliburton Energy Services, Inc.
- Paul David Ringgenberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Isolation liner incorporating a drill pipe with swell packers
- Patent number 9,611,715
- Issue date Apr 4, 2017
- ALASKAN ENERGY RESOURCES, INC.
- Lee Morgan Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Swell packer with end rings and cutters
- Patent number 9,267,352
- Issue date Feb 23, 2016
- ALASKAN ENERGY RESOURCES, INC.
- Lee Morgan Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Dual-stage valve straddle packer for selective stimulation of wells
- Patent number 7,789,163
- Issue date Sep 7, 2010
- Extreme Energy Solutions, Inc.
- Robert Kratochvil
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing hanger with lateral feed-through connection
- Patent number 6,609,567
- Issue date Aug 26, 2003
- Weatherford/Lamb, Inc.
- Gary Ingram
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable safety packer
- Patent number 5,782,298
- Issue date Jul 21, 1998
- Alexander Oil Tools, Inc.
- G. Timmins Alexander
- E21 - EARTH DRILLING MINING
Information Patent Grant
Packer locking apparatus including a time delay apparatus for locki...
- Patent number 5,687,795
- Issue date Nov 18, 1997
- Schlumberger Technology Corporation
- Dinesh R. Patel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for completion of a well
- Patent number 4,949,793
- Issue date Aug 21, 1990
- Baker Hughes Incorporated
- Richard P. Rubbo
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable bridge plug and packer
- Patent number 4,928,762
- Issue date May 29, 1990
- Halliburton Company
- Kevin R. Mamke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for hydraulically firing a perforating gun bel...
- Patent number 4,917,187
- Issue date Apr 17, 1990
- Baker Hughes Incorporated
- Robert E. Burns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulically set and released bridge plug
- Patent number 4,646,829
- Issue date Mar 3, 1987
- Halliburton Company
- Burchus Q. Barrington
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable straddle packer
- Patent number 4,590,995
- Issue date May 27, 1986
- Halliburton Company
- Robert T. Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrievable straddle packer
- Patent number 4,567,944
- Issue date Feb 4, 1986
- Halliburton Company
- Gary D. Zunkel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Subterranean well tool with pressure equalizing release
- Patent number 4,460,041
- Issue date Jul 17, 1984
- Baker Oil Tools, Inc.
- William O. Berryman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combination release mechanism for downhole well apparatus
- Patent number 4,437,516
- Issue date Mar 20, 1984
- Baker International Corporation
- Darryl W. Cockrell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well packer valve seal assembly
- Patent number 4,146,092
- Issue date Mar 27, 1979
- Dresser Industries, Inc.
- Thomas E. Upton
- E21 - EARTH DRILLING MINING
Information Patent Grant
Well tool with pressure responsive tightening means
- Patent number 4,131,160
- Issue date Dec 26, 1978
- Brown Oil Tools, Inc.
- Chudleigh B. Cochran
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pressure actuated holding apparatus
- Patent number 4,078,606
- Issue date Mar 14, 1978
- Brown Oil Tools, Inc.
- James W. Montgomery
- E21 - EARTH DRILLING MINING
Information Patent Grant
3845816
- Patent number 3,845,816
- Issue date Nov 5, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
3804164
- Patent number 3,804,164
- Issue date Apr 16, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
3785436
- Patent number 3,785,436
- Issue date Jan 15, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
3714983
- Patent number 3,714,983
- Issue date Feb 6, 1973
- E21 - EARTH DRILLING MINING
Information Patent Grant
3645334
- Patent number 3,645,334
- Issue date Feb 29, 1972
- E21 - EARTH DRILLING MINING
Information Patent Grant
3586106
- Patent number 3,586,106
- Issue date Jun 22, 1971
- E21 - EARTH DRILLING MINING
Information Patent Grant
3552489
- Patent number 3,552,489
- Issue date Jan 5, 1971
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DOWNHOLE PACKER ASSEMBLY
- Publication number 20220136363
- Publication date May 5, 2022
- Welltec Oilfield Solutions AG
- Jørgen HALLUNDBÆK
- E21 - EARTH DRILLING MINING
Information Patent Application
PACKER ASSEMBLY INCLUDING A SUPPORT RING
- Publication number 20190017347
- Publication date Jan 17, 2019
- BAKER HUGHES, A GE COMPANY, LLC
- Alexander Morrison Kendall
- E21 - EARTH DRILLING MINING
Information Patent Application
WELL PLUG ANCHOR TOOL
- Publication number 20170081941
- Publication date Mar 23, 2017
- Isolation Technologies LLC
- Chris Cuffe
- E21 - EARTH DRILLING MINING
Information Patent Application
Dual-stage valve straddle packer for selective stimulation of wells
- Publication number 20090159299
- Publication date Jun 25, 2009
- Robert Kratochvil
- E21 - EARTH DRILLING MINING
Information Patent Application
Tubing hanger with lateral feed-through connection
- Publication number 20020162667
- Publication date Nov 7, 2002
- Weatherford/Lamb, Inc.
- Gary Ingram
- E21 - EARTH DRILLING MINING

using drag blocks frictionally engaging the inner wall of the well

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Downhole packer assembly

Frac plug system having an integrated setting tool

Downhole tools having controlled degradation

Well plug anchor tool

Packer assembly including a support ring

Downhole repeat micro-zonal isolation assembly and method

Isolation liner incorporating a drill pipe with swell packers

Swell packer with end rings and cutters

Dual-stage valve straddle packer for selective stimulation of wells

Tubing hanger with lateral feed-through connection

Retrievable safety packer

Packer locking apparatus including a time delay apparatus for locki...

Method and apparatus for completion of a well

Retrievable bridge plug and packer

Method and apparatus for hydraulically firing a perforating gun bel...

Hydraulically set and released bridge plug

Retrievable straddle packer

Retrievable straddle packer

Subterranean well tool with pressure equalizing release

Combination release mechanism for downhole well apparatus

Well packer valve seal assembly

Well tool with pressure responsive tightening means

Pressure actuated holding apparatus

3845816

3804164

3785436

3714983

3645334

3586106

3552489

Patents Applicationslast 30 patents

DOWNHOLE PACKER ASSEMBLY

PACKER ASSEMBLY INCLUDING A SUPPORT RING

WELL PLUG ANCHOR TOOL

Dual-stage valve straddle packer for selective stimulation of wells

Tubing hanger with lateral feed-through connection