TREA

Khanh Duong

Follow

Person

  • Houston, TX, US
People

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Formation Evaluation While Drilling
    • Publication number 20180355716
    • Publication date Dec 13, 2018
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Steven G. Villareal
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    RETENTION OF ELECTRICAL SPRING CONTACTS FOR WET CONNECTION OF DOWN-...
    • Publication number 20160359252
    • Publication date Dec 8, 2016
    • GE OIL & GAS LOGGING SERVICES, INC.
    • Khanh Anh DUONG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Piston Design for Downhole Pulser
    • Publication number 20160326869
    • Publication date Nov 10, 2016
    • GE ENERGY OILFIELD TECHNOLOGY, INC.
    • Khanh Anh Duong
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Seal Element Having Contoured V-Spring
    • Publication number 20150267819
    • Publication date Sep 24, 2015
    • Vetco Gray Inc.
    • Khanh Anh Duong
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    POSITIVE RETENTION LOCK RING FOR TUBING HANGER
    • Publication number 20150068725
    • Publication date Mar 12, 2015
    • Vetco Gray Inc.
    • Khanh Anh Duong
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Formation Evaluation While Drilling
    • Publication number 20140116783
    • Publication date May 1, 2014
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Steven G. Villareal
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Seal Assembly For A Casing Hanger
    • Publication number 20140062025
    • Publication date Mar 6, 2014
    • Vetco Gray Inc.
    • Chau Hoang
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    POSITIVE RETENTION LOCK RING FOR TUBING HANGER
    • Publication number 20130299193
    • Publication date Nov 14, 2013
    • Vetco Gray Inc.
    • Khanh Anh Duong
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Formation Evaluation While Drilling
    • Publication number 20130092443
    • Publication date Apr 18, 2013
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Steven G. Villareal
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HIGH TEMPERATURE COATING RESISTANT TO DAMAGE FROM DECOMPRESSION
    • Publication number 20130020522
    • Publication date Jan 24, 2013
    • Vetco Gray Inc.
    • Rick C. Hunter
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Hybrid Seal
    • Publication number 20130000920
    • Publication date Jan 3, 2013
    • Vetco Gray Inc.
    • Khanh Anh Duong
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DUAL METAL SEAL SYSTEM
    • Publication number 20120118585
    • Publication date May 17, 2012
    • Khanh Anh Duong
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ENERGIZING RING NOSE PROFILE AND SEAL ENTRANCE
    • Publication number 20120098203
    • Publication date Apr 26, 2012
    • Vetco Gray Inc.
    • Khanh A. Duong
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Formation Evaluation While Drilling
    • Publication number 20110220412
    • Publication date Sep 15, 2011
    • STEVEN G. VILLAREAL
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Wellhead Annulus Seal Assembly
    • Publication number 20110174506
    • Publication date Jul 21, 2011
    • Vetco Gray Inc.
    • Khanh A. Duong
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FORMATION EVALUATION WHILE DRILLING
    • Publication number 20100326727
    • Publication date Dec 30, 2010
    • STEVEN G. VILLAREAL
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FORMATION EVALUATION WHILE DRILLING
    • Publication number 20100170717
    • Publication date Jul 8, 2010
    • STEVEN G. VILLAREAL
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FORMATION EVALUATION WHILE DRILLING
    • Publication number 20100170718
    • Publication date Jul 8, 2010
    • STEVEN G. VILLAREAL
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    FORMATION EVALUATION WHILE DRILLING
    • Publication number 20090126996
    • Publication date May 21, 2009
    • Steven G. Villareal
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Formation Evaluation While Drilling
    • Publication number 20080087470
    • Publication date Apr 17, 2008
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • STEVEN G. VILLAREAL
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Formation evaluation while drilling
    • Publication number 20070137896
    • Publication date Jun 21, 2007
    • Schlumberger Technology Corporatio
    • Steven G. Villareal
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    WELLBORE APPARATUS WITH SLIDING SHIELDS
    • Publication number 20050150655
    • Publication date Jul 14, 2005
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Khanh Duong
    • E21 - EARTH DRILLING MINING