Petroleum Engineering Services, Ltd.

Organization

  • Dyce, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Downhole pressure activated device and a method

    • Patent number 6,321,847
    • Issue date Nov 27, 2001
    • Petroleum Engineering Services Limited
    • Irvine Cardno Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Packer

    • Patent number 5,904,207
    • Issue date May 18, 1999
    • Petroleum Engineering Services Limited
    • Richard P. Rubbo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Ball valves

    • Patent number 5,865,246
    • Issue date Feb 2, 1999
    • Petroleum Engineering Services Limited
    • Irvine Cardno Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well safety system

    • Patent number 5,862,864
    • Issue date Jan 26, 1999
    • Petroleum Engineering Services Limited
    • Drummond Wilkinson Whiteford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Down-hole tools

    • Patent number 5,664,629
    • Issue date Sep 9, 1997
    • Petroleum Engineering Services Limited
    • George Maitland
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Release/anti-preset mechanism for down-hole tools

    • Patent number 5,636,689
    • Issue date Jun 10, 1997
    • Petroleum Engineering Services Ltd.
    • Richard P. Rubbo
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Well-head structures

    • Patent number 5,535,826
    • Issue date Jul 16, 1996
    • Petroleum Engineering Services Limited
    • Stuart C. Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Setting tool and related method

    • Patent number 5,447,202
    • Issue date Sep 5, 1995
    • Petroleum Engineering Services, Ltd.
    • Sydney J. Littleford
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bridge plug

    • Patent number 5,441,111
    • Issue date Aug 15, 1995
    • Petroleum Engineering Services Limited
    • Drummond Whiteford
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    75042130 - INLINE TREE

    • Serial number 75042130
    • Filing date Jan 11, 1996
    • PETROLEUM ENGINEERING SERVICES LIMITED
    • 7 - Machines and machine tools