with submersible vertically movable guide

Industry

  • CPC
  • E21B7/122
This industry / category may be too specific. Please go to a parent level for more data

Patents Grantslast 30 patents

  • Information Patent Grant

    Nearshore subsea drilling

    • Patent number 11,719,049
    • Issue date Aug 8, 2023
    • FNV IP B.V.
    • Peter David Richards
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bend stiffener

    • Patent number 11,530,578
    • Issue date Dec 20, 2022
    • CRP Subsea Limited
    • Austin Harbison
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Semi-submersible drilling vessel, e.g. for use in a harsh environment

    • Patent number 11,377,172
    • Issue date Jul 5, 2022
    • Itrec B.V.
    • Diederick Bernardus Wijning
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Wireline coring recovery system of a seafloor drilling rig and meth...

    • Patent number 11,041,344
    • Issue date Jun 22, 2021
    • Hunan University of Science and Technology
    • Buyan Wan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electronic release tool

    • Patent number 10,975,650
    • Issue date Apr 13, 2021
    • Hunting Titan, Inc.
    • John D. Holodnak
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Offshore drilling installation and method for offshore drilling

    • Patent number 9,388,649
    • Issue date Jul 12, 2016
    • Fugro Engineers B.V.
    • Peter Looijen
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Remotely operated water bottom based drilling system using cable fo...

    • Patent number 7,380,614
    • Issue date Jun 3, 2008
    • Williamson & Associates, Inc.
    • Michael E Williamson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Methods and apparatus for open hole drilling

    • Patent number 6,745,853
    • Issue date Jun 8, 2004
    • Halliburton Energy Services, Inc.
    • Katherine M. Turner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Rising centralizing spider

    • Patent number 5,479,990
    • Issue date Jan 2, 1996
    • Shell Oil Company
    • George W. Peppel
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Stacked open bottom temporary guide base for offshore drilling

    • Patent number 4,510,985
    • Issue date Apr 16, 1985
    • Phillips Petroleum Company
    • Robert C. Arnim
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Offshore drilling of large diameter holes in rock formations

    • Patent number 4,480,944
    • Issue date Nov 6, 1984
    • Raymond International Builders, Inc.
    • Lindsey J. Phares
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Offshore drilling of large diameter holes in rock formations

    • Patent number 4,470,468
    • Issue date Sep 11, 1984
    • Raymond International Builders, Inc.
    • Lindsey J. Phares
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Offshore drilling of large diameter holes in rock formations

    • Patent number 4,415,045
    • Issue date Nov 15, 1983
    • Raymond International Builders, Inc.
    • Lindsey J. Phares
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method for placing explosives in submerged rock

    • Patent number 4,159,668
    • Issue date Jul 3, 1979
    • Roy N. Sonomura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Apparatus and method for placing explosives in submerged rock

    • Patent number 4,102,412
    • Issue date Jul 25, 1978
    • Roy N. Sonomura
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Drilling apparatus

    • Patent number 3,961,673
    • Issue date Jun 8, 1976
    • Maschinen- und Bohrgerate-Fabrik Alfred Wirth & Co., K.G.
    • Jakob Wolters
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3825076

    • Patent number 3,825,076
    • Issue date Jul 23, 1974
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    3788396

    • Patent number 3,788,396
    • Issue date Jan 29, 1974
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3313347

    • Patent number 3,313,347
    • Issue date Apr 11, 1967
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3282357

    • Patent number 3,282,357
    • Issue date Nov 1, 1966
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3181628

    • Patent number 3,181,628
    • Issue date May 4, 1965
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3027951

    • Patent number 3,027,951
    • Issue date Apr 3, 1962
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    3004612

    • Patent number 3,004,612
    • Issue date Oct 17, 1961
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2153557

    • Patent number 2,153,557
    • Issue date Apr 11, 1939
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    2026879

    • Patent number 2,026,879
    • Issue date Jan 7, 1936
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    2001576

    • Patent number 2,001,576
    • Issue date May 14, 1935
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1958041

    • Patent number 1,958,041
    • Issue date May 8, 1934
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1870725

    • Patent number 1,870,725
    • Issue date Aug 9, 1932
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    1778320

    • Patent number 1,778,320
    • Issue date Oct 14, 1930
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    1732887

    • Patent number 1,732,887
    • Issue date Oct 22, 1929
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents