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with means for equalizing fluid pressure above and below the valve

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  • CPC
  • E21B34/101
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Parent Industries

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

Current Industry

E21B34/101with means for equalizing fluid pressure above and below the valve
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Selectively bypassing float collar
    • Patent number 11,988,053
    • Issue date May 21, 2024
    • Saudi Arabian Oil Company
    • Peter Ido Egbe
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole vapor-transition control valve for fluid injection
    • Patent number 11,952,865
    • Issue date Apr 9, 2024
    • Halliburton Energy Services, Inc.
    • Michael Linley Fripp
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure actuated downhole device
    • Patent number 11,891,879
    • Issue date Feb 6, 2024
    • PRAGMA WELL TECHNOLOGY LIMITED
    • Matthew Manning
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wellbore sleeve injector and method
    • Patent number 11,773,679
    • Issue date Oct 3, 2023
    • Isolation Equipment Services, Inc.
    • Boris (Bruce) P. Cherewyk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    High pressure gas lift valve with dual edge welded bellows
    • Patent number 11,686,185
    • Issue date Jun 27, 2023
    • Zlatko Salihbegovic
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure regulating check valve
    • Patent number 11,649,695
    • Issue date May 16, 2023
    • Halliburton Energy Services, Inc.
    • Ralph Joseph Robert
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Selectively bypassing float collar
    • Patent number 11,598,167
    • Issue date Mar 7, 2023
    • Saudi Arabian Oil Company
    • Peter Ido Egbe
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Textured resilient seal for a subsurface safety valve
    • Patent number 11,506,020
    • Issue date Nov 22, 2022
    • Halliburton Energy Services, Inc.
    • Ross Glen Dusterhoft
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Equalizing cartridge for a flapper valve
    • Patent number 11,396,791
    • Issue date Jul 26, 2022
    • Baker Hughes Oilfield Operations LLC
    • Jeffrey Johnson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole check valve assembly with a frustoconical mandrel
    • Patent number 11,313,189
    • Issue date Apr 26, 2022
    • Halliburton Energy Services, Inc.
    • Benny E. Dawsey
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wellbore sleeve injector and method
    • Patent number 11,280,151
    • Issue date Mar 22, 2022
    • Isolation Equipment Services Inc.
    • Boris (Bruce) P. Cherewyk
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure regulating check valve
    • Patent number 11,220,884
    • Issue date Jan 11, 2022
    • Halliburton Energy Services, Inc.
    • Ralph Joseph Robert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Equalizing device for safety valves
    • Patent number 11,203,917
    • Issue date Dec 21, 2021
    • Halliburton Energy Services, Inc.
    • James Dan Vick
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Multi-ball valve assembly
    • Patent number 11,203,916
    • Issue date Dec 21, 2021
    • Halliburton Energy Services, Inc.
    • Michael Adam Reid
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve apparatus
    • Patent number 11,193,351
    • Issue date Dec 7, 2021
    • WELLENG SCIENCE AND TECHNOLOGY LTD.
    • Peter Barnes Moyes
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Equalizing device
    • Patent number 11,091,982
    • Issue date Aug 17, 2021
    • Halliburton Energy Services, Inc.
    • Jimmie Robert Williamson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Expandable metal packer system and methodology with annulus pressur...
    • Patent number 11,091,975
    • Issue date Aug 17, 2021
    • Schlumberger Technology Corporation
    • Samuel Roselier
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Valve apparatus
    • Patent number 11,072,995
    • Issue date Jul 27, 2021
    • DOWNING WELLHEAD EQUIPMENT, LLC
    • Nicholas J. Cannon
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tubing or annulus pressure operated borehole barrier valve
    • Patent number 11,053,774
    • Issue date Jul 6, 2021
    • BAKER HUGHES, A GE COMPANY
    • Michael H. Johnson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole system with sliding sleeve
    • Patent number 11,002,103
    • Issue date May 11, 2021
    • Welltec Oilfield Solutions AG
    • Ricardo Reves Vasques
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Annular barrier system
    • Patent number 10,947,810
    • Issue date Mar 16, 2021
    • Welltec Oilfield Solutions AG
    • Ricardo Reves Vasques
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Control line pressure controlled safety valve equalization
    • Patent number 10,941,634
    • Issue date Mar 9, 2021
    • Halliburton Energy Services, Inc.
    • James Dan Vick
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Annular barrier with valve unit
    • Patent number 10,927,636
    • Issue date Feb 23, 2021
    • Welltec Oilfield Solutions AG
    • Bala Prasad
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Linear actuator with hydraulic feed through
    • Patent number 10,900,307
    • Issue date Jan 26, 2021
    • C6 Technologies AS
    • Husam Al Hussin
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole valve
    • Patent number 10,895,127
    • Issue date Jan 19, 2021
    • WELLENG SCIENCE AND TECHNOLOGY LTD.
    • Peter Moyes
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Differential pressure indicator for downhole isolation valve
    • Patent number 10,787,900
    • Issue date Sep 29, 2020
    • Weatherford Technology Holdings, LLC
    • Kyle Allen King
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tubing or annulus pressure operated borehole barrier valve
    • Patent number 10,704,363
    • Issue date Jul 7, 2020
    • Baker Hughes, a GE company, LLC
    • Michael H. Johnson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Fluid injection valve
    • Patent number 10,662,737
    • Issue date May 26, 2020
    • Baker Hughes, a GE company, LLC
    • Yuh Loh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Valve apparatus
    • Patent number 10,662,740
    • Issue date May 26, 2020
    • DOWNING WELLHEAD EQUIPMENT, LLC
    • Nicholas J. Cannon
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Dirty fluid pressure regulator and control valve
    • Patent number 10,584,561
    • Issue date Mar 10, 2020
    • Proserv Operations, Inc.
    • Preston Weintraub
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    DOWNHOLE VAPOR-TRANSITION CONTROL VALVE FOR FLUID INJECTION
    • Publication number 20240175336
    • Publication date May 30, 2024
    • Halliburton Energy Services, Inc.
    • Michael Linley Fripp
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SELECTIVELY BYPASSING FLOAT COLLAR
    • Publication number 20230151705
    • Publication date May 18, 2023
    • Saudi Arabian Oil Company
    • Peter Ido Egbe
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE VAPOR-TRANSITION CONTROL VALVE FOR FLUID INJECTION
    • Publication number 20220333460
    • Publication date Oct 20, 2022
    • Halliburton Energy Services, Inc.
    • Michael Linley Fripp
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Textured Resilient Seal For A Subsurface Safety Valve
    • Publication number 20220307347
    • Publication date Sep 29, 2022
    • Halliburton Energy Services, Inc.
    • Ross Glen Dusterhoft
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELLBORE SLEEVE INJECTOR AND METHOD
    • Publication number 20220195827
    • Publication date Jun 23, 2022
    • ISOLATION EQUIPMENT SERVICES INC.
    • Boris (Bruce) P. CHEREWYK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pressure Regulating Check Valve
    • Publication number 20220090468
    • Publication date Mar 24, 2022
    • Halliburton Energy Services, Inc.
    • Ralph Joseph Robert
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PRESSURE ACTUATED DOWNHOLE DEVICE
    • Publication number 20220090467
    • Publication date Mar 24, 2022
    • Pragma Well Technology Limited
    • Matthew Manning
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    COMPLETION PLUG FOR WELL COMPLETION
    • Publication number 20210285304
    • Publication date Sep 16, 2021
    • PTT Exploration and Production Public Company Limited
    • Nattawit Khomsanit
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    MULTI-BALL VALVE ASSEMBLY
    • Publication number 20210108486
    • Publication date Apr 15, 2021
    • Halliburton Energy Services, Inc.
    • Michael Adam REID
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    High pressure gas lift valve with dual edge welded bellows
    • Publication number 20210054725
    • Publication date Feb 25, 2021
    • Zlatko Salihbegovic
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Check Valve Assembly with a Frustoconical Mandrel
    • Publication number 20200340315
    • Publication date Oct 29, 2020
    • Halliburton Energy Services, Inc.
    • Benny E. Dawsey
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Downhole Check Valve Assembly with a Swellable Element Mechanism
    • Publication number 20200340314
    • Publication date Oct 29, 2020
    • Halliburton Energy Services, Inc.
    • Stephen A. Yeldell
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Tubing or Annulus Pressure Operated Borehole Barrier Valve
    • Publication number 20200291749
    • Publication date Sep 17, 2020
    • BAKER HUGHES, A GE COMPANY, LLC
    • Michael H. Johnson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SAND FALL-BACK PREVENTION TOOLS
    • Publication number 20200291744
    • Publication date Sep 17, 2020
    • Halliburton Energy Services, Inc.
    • Stewart Darold REED
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VALVE APPARATUS
    • Publication number 20200270966
    • Publication date Aug 27, 2020
    • Weileng Science and Technology Ltd
    • Peter Barnes MOYES
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EQUALIZING DEVICE FOR SAFETY VALVES
    • Publication number 20200256159
    • Publication date Aug 13, 2020
    • Halliburton Energy Services, Inc.
    • James Dan Vick
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EQUALIZING DEVICE
    • Publication number 20200182014
    • Publication date Jun 11, 2020
    • Halliburton Energy Services, Inc.
    • Jimmie Robert Williamson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ANNULAR BARRIER WITH VALVE UNIT
    • Publication number 20200173245
    • Publication date Jun 4, 2020
    • Welltec Oilfield Solutions AG
    • Bala PRASAD
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VALVE APPARATUS
    • Publication number 20200123876
    • Publication date Apr 23, 2020
    • Downing Wellhead Equipment, LLC
    • Nicholas J. Cannon
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EXPANDABLE METAL PACKER SYSTEM AND METHODOLOGY WITH ANNULUS PRESSUR...
    • Publication number 20200072018
    • Publication date Mar 5, 2020
    • SALTEL INDUSTRIES
    • Samuel Roselier
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELLBORE SLEEVE INJECTOR AND METHOD
    • Publication number 20200056442
    • Publication date Feb 20, 2020
    • ISOLATION EQUIPMENT SERVICES INC.
    • Boris (Bruce) P. CHEREWYK
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CONTROL LINE PRESSURE CONTROLLED SAFETY VALVE EQUALIZATION
    • Publication number 20200048988
    • Publication date Feb 13, 2020
    • Halliburton Energy Services, Inc.
    • James Dean Vick
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Fluid Distribution System for a Wellsite
    • Publication number 20200040716
    • Publication date Feb 6, 2020
    • Halliburton Energy Services, Inc.
    • Andrew Silas Clyburn
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FLUID INJECTION VALVE
    • Publication number 20200032917
    • Publication date Jan 30, 2020
    • BAKER HUGHES, A GE COMPANY, LLC
    • Yuh Loh
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    OFFSHORE METHOD
    • Publication number 20190277107
    • Publication date Sep 12, 2019
    • Welltec Oilfield Solutions AG
    • Christian KRÜGER
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE SYSTEM WITH SLIDING SLEEVE
    • Publication number 20190242211
    • Publication date Aug 8, 2019
    • Welltec Oilfield Solutions AG
    • Ricardo Reves VASQUES
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Mitigating Swab and Surge Piston Effects in Wellbores
    • Publication number 20190226291
    • Publication date Jul 25, 2019
    • Halliburton Energy Services, Inc.
    • Derrick W. Lewis
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Pressure Regulating Check Valve
    • Publication number 20180328142
    • Publication date Nov 15, 2018
    • Halliburton Energy Services, Inc.
    • Ralph Joseph Robert
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DOWNHOLE VALVE
    • Publication number 20180298727
    • Publication date Oct 18, 2018
    • Welleng Science and Technology Ltd
    • Peter MOYES
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DIRTY FLUID PRESSURE REGULATOR AND CONTROL VALVE
    • Publication number 20180274329
    • Publication date Sep 27, 2018
    • Proserv Operations, Inc.
    • Preston WEINTRAUB
    • E21 - EARTH DRILLING MINING