using explosives

Industry

  • CPC
  • E21B31/1075
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Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole impact apparatus

    • Patent number 11,028,660
    • Issue date Jun 8, 2021
    • Impact Selector International, LLC
    • James Patrick Massey
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole impact apparatus

    • Patent number 10,731,431
    • Issue date Aug 4, 2020
    • Impact Selector International, LLC
    • James P. Massey
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole disconnect tool

    • Patent number 10,669,799
    • Issue date Jun 2, 2020
    • Impact Selector International, LLC
    • James P. Massey
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    String shot back-off tool with pressure-balanced explosives

    • Patent number 10,240,421
    • Issue date Mar 26, 2019
    • William T. Bell
    • F42 - AMMUNITION BLASTING
  • Information Patent Grant

    Downhole tools having controlled degradation and method

    • Patent number 10,221,642
    • Issue date Mar 5, 2019
    • Baker Hughes, a GE company, LLC
    • Zhihui Zhang
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Downhole tools having controlled degradation and method

    • Patent number 10,221,641
    • Issue date Mar 5, 2019
    • Baker Hughes, a GE company, LLC
    • Zhihui Zhang
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Propellant back off tool

    • Patent number 9,637,990
    • Issue date May 2, 2017
    • Jim Taylor Hill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Backoff sub and method for remotely backing off a target joint

    • Patent number 7,980,310
    • Issue date Jul 19, 2011
    • Baker Hughes Incorporated
    • Carl W. Stoesz
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus and method for repairing a gravel-packed well completion

    • Patent number 5,287,928
    • Issue date Feb 22, 1994
    • Mobil Oil Corporation
    • John C. Healy
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus for connecting jars to a downhole tool

    • Patent number 4,762,175
    • Issue date Aug 9, 1988
    • Petro-Tech Tools Incorporated
    • James M. Perricone
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole mobility and propulsion apparatus

    • Patent number 4,624,306
    • Issue date Nov 25, 1986
    • Traver Tool Company
    • Jack J. Traver
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Back-off tool

    • Patent number 4,537,255
    • Issue date Aug 27, 1985
    • Jet Research Center, Inc.
    • John A. Regalbuto
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Downhole mobility and propulsion apparatus

    • Patent number 4,509,593
    • Issue date Apr 9, 1985
    • Traver Tool Company
    • Jack L. Traver
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Retrievable float valve assembly

    • Patent number 4,446,610
    • Issue date May 8, 1984
    • Ace Fishing & Rental Tools, Inc.
    • Larry V. Cooper
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well drilling tool

    • Patent number 4,431,053
    • Issue date Feb 14, 1984
    • Texaco Inc.
    • Timothy N. Morrow
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pipe joint separation

    • Patent number 4,396,065
    • Issue date Aug 2, 1983
    • Phillips Petroleum Company
    • John R. McKenney
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Retrievable float valve assembly

    • Patent number 4,393,940
    • Issue date Jul 19, 1983
    • Ace Fishing & Rental Tools, Inc.
    • Larry V. Cooper
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Back-off apparatus and method for retrieving pipe from wells

    • Patent number 4,007,790
    • Issue date Feb 15, 1977
    • Jack A. Henning
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well tubing drain

    • Patent number 3,981,360
    • Issue date Sep 21, 1976
    • Cook Testing Co.
    • Anil Marathe
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3713484

    • Patent number 3,713,484
    • Issue date Jan 30, 1973
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3491830

    • Patent number 3,491,830
    • Issue date Jan 27, 1970
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3404563

    • Patent number 3,404,563
    • Issue date Oct 8, 1968
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3227214

    • Patent number 3,227,214
    • Issue date Jan 4, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3211222

    • Patent number 3,211,222
    • Issue date Oct 12, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3199594

    • Patent number 3,199,594
    • Issue date Aug 10, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3157119

    • Patent number 3,157,119
    • Issue date Nov 17, 1964
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2911909

    • Patent number 2,911,909
    • Issue date Nov 10, 1959
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2909227

    • Patent number 2,909,227
    • Issue date Oct 20, 1959
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2905437

    • Patent number 2,905,437
    • Issue date Sep 22, 1959
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2884065

    • Patent number 2,884,065
    • Issue date Apr 28, 1959
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents