TREA

with time delay systems

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Industry

  • CPC
  • E21B34/125
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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B34/00Valve arrangements for boreholes or wells

Current Industry

E21B34/125with time delay systems
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Interventionless injection safety valve
    • Patent number 12,134,954
    • Issue date Nov 5, 2024
    • Schlumberger Technology Corporation
    • Justin David Elroy Lamb
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic drilling jar with hydraulic lock piston
    • Patent number 10,844,683
    • Issue date Nov 24, 2020
    • Weatherford Technology Holdings, LLC
    • Timothy Wilson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulically-metered downhole position indicator
    • Patent number 9,850,752
    • Issue date Dec 26, 2017
    • Halliburton Energy Services, Inc.
    • Phillip T. Thomas
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Delayed opening pressure actuated ported sub for subterranean use
    • Patent number 9,816,350
    • Issue date Nov 14, 2017
    • Baker Hughes, a GE company, LLC
    • Jason C. Mailand
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Down hole tension/compression device for logging tools
    • Patent number 6,557,631
    • Issue date May 6, 2003
    • Reeves Wireline Technologies, Ltd.
    • Michael Charles Spencer
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well isolation system
    • Patent number 6,041,864
    • Issue date Mar 28, 2000
    • Schlumberger Technology Corporation
    • Dinesh R. Patel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for testing and sampling open-hole oil and gas wells
    • Patent number 5,826,662
    • Issue date Oct 27, 1998
    • Halliburton Energy Services, Inc.
    • Harold K. Beck
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tester valve
    • Patent number 5,337,826
    • Issue date Aug 16, 1994
    • Halliburton Company
    • Burchus Q. Barrington
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tester valve
    • Patent number 5,228,516
    • Issue date Jul 20, 1993
    • Halliburton Company
    • Burchus Q. Barrington
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bypass valve
    • Patent number 5,193,621
    • Issue date Mar 16, 1993
    • Halliburton Company
    • Kevin R. Manke
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tool for treating subterranean wells
    • Patent number 5,020,592
    • Issue date Jun 4, 1991
    • Dowell Schlumberger Incorporated
    • Laurent Muller
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tool for treating subterranean wells
    • Patent number 4,913,231
    • Issue date Apr 3, 1990
    • Dowell Schlumberger
    • Laurent Muller
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Packer bypass
    • Patent number 4,756,364
    • Issue date Jul 12, 1988
    • Halliburton Company
    • Jon B. Christensen
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well tool with improved valve support structure
    • Patent number 4,624,317
    • Issue date Nov 25, 1986
    • Halliburton Company
    • Burchus Q. Barrington
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well tool with selective bypass functions
    • Patent number 4,582,140
    • Issue date Apr 15, 1986
    • Halliburton Company
    • Burchus Q. Barrington
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well tool with hydraulic time delay
    • Patent number 4,579,174
    • Issue date Apr 1, 1986
    • Halliburton Company
    • Burchus Q. Barrington
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Recloseable auxiliary valve
    • Patent number 4,458,762
    • Issue date Jul 10, 1984
    • Halliburton Company
    • Michael E. McMahan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Deflate-equalizing valve apparatus for inflatable packer formation...
    • Patent number 4,424,860
    • Issue date Jan 10, 1984
    • Schlumberger Technology Corporation
    • Howard L. McGill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Inflatable packer system
    • Patent number 4,345,648
    • Issue date Aug 24, 1982
    • BJ-Hughes, Inc.
    • Felix Kuus
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve retrieval mechanism for an inflatable packer system
    • Patent number 4,320,803
    • Issue date Mar 23, 1982
    • BJ-Hughes Inc.
    • Phillip H. Manderscheid
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3900068
    • Patent number 3,900,068
    • Issue date Aug 19, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3876003
    • Patent number 3,876,003
    • Issue date Apr 8, 1975
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3814182
    • Patent number 3,814,182
    • Issue date Jun 4, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3662825
    • Patent number 3,662,825
    • Issue date May 16, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3646995
    • Patent number 3,646,995
    • Issue date Mar 7, 1972
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3614984
    • Patent number 3,614,984
    • Issue date Oct 26, 1971
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3526278
    • Patent number 3,526,278
    • Issue date Sep 1, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3519075
    • Patent number 3,519,075
    • Issue date Jul 7, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3499487
    • Patent number 3,499,487
    • Issue date Mar 10, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3494419
    • Patent number 3,494,419
    • Issue date Feb 10, 1970
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents