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The above diagram shows the color scheme of the layout in the main result page. The parent entities and officers who have significant controls over the individuals in focus are always inapplicable. The offspring entities and appointments are those entities that the individuals in focus can influence on.

Clicking the links on parent entities or officers, and offspring entities or managed companies will put them in focus and show upstream or downstream connections. In general, ascendant entities can be found by moving toward upstream, and descendant entities are by toward downstream. In this way, progenitor entities such as grandparent companies (parents of parent), sibling companies (children of parent), partner companies (parents of child), and progeny entities such as grandchild companies (children of child) can be found easily.

Parent entities and officers
Inapplicable
parent relation
Individuals in focus

Knudson, Thomas Clifford

child relation
Offspring entities and appointments
Active 0
  • Not found in our database.
Ceased 13
  • 1
    PERENCO RANG DONG LIMITED - 2023-06-09
    CONOCO (U.K.) GAMA LIMITED - 2002-11-21
    LIQUENT LIMITED - 1999-03-17
    CONOCOPHILLIPS (U.K.) GAMA LIMITED - 2013-02-22
    icon of address 4-12 Regent Street, Rex House, 4th Floor, London, England
    Active Corporate (5 parents)
    Officer
    icon of calendar 1999-03-10 ~ 2000-07-01
    IIF 11 - Director → ME
  • 2
    THE BUSINESS COUNCIL FOR SUSTAINABLE DEVELOPMENT NORTH SEA REGION - 2002-12-09
    icon of address The Lodge Castle Bromwich Hall Chester Road, Castle Bromwich, Birmingham, West Midlands
    Active Corporate (2 parents)
    Equity (Company account)
    23,455 GBP2024-03-31
    Officer
    icon of calendar 1999-03-09 ~ 2000-11-29
    IIF 4 - Director → ME
  • 3
    CONOCOPHILLIPS (U.K.) ALPHA LIMITED - 2019-10-01
    CANADIAN PETROLEUM UK LIMITED - 1999-01-12
    CONOCO (U.K) ALPHA LIMITED - 2002-11-21
    CANADIANOXY NORTH SEA PETROLEUM LIMITED - 1995-12-18
    icon of address 151 Buckingham Palace Road, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    icon of calendar 1999-01-07 ~ 2000-07-01
    IIF 6 - Director → ME
  • 4
    WASCANA RESOURCES LTD. - 1998-07-27
    CONOCOPHILLIPS (U.K.) BETA LIMITED - 2019-10-01
    CANADIAN PETROLEUM ENERGY UK LIMITED - 1999-01-12
    CONOCO (U.K.) BETA LIMITED - 2002-11-21
    icon of address 151 Buckingham Palace Road, London, United Kingdom
    Active Corporate (5 parents)
    Officer
    icon of calendar 1999-01-07 ~ 2000-07-01
    IIF 1 - Director → ME
  • 5
    BLASTFURY LIMITED - 1987-12-03
    CONOCO DEVELOPMENTS LIMITED - 2002-11-21
    CONOCOPHILLIPS DEVELOPMENTS LIMITED - 2019-10-01
    icon of address 151 Buckingham Palace Road, London, England
    Active Corporate (5 parents)
    Officer
    icon of calendar 1997-06-01 ~ 2000-07-01
    IIF 12 - Director → ME
  • 6
    CONOCO PETROLEUM (ALBA) LIMITED - 1992-11-26
    CONOCO PETROLEUM LIMITED - 2002-11-21
    CONOCOPHILLIPS PETROLEUM LIMITED - 2019-10-01
    CLYDE PETROLEUM (ALBA) LIMITED - 1991-03-04
    D S M HYDROCARBONS (UK) LIMITED - 1989-09-28
    icon of address 151 Buckingham Palace Road, London, England
    Active Corporate (4 parents)
    Officer
    icon of calendar 1997-06-01 ~ 2000-07-01
    IIF 8 - Director → ME
  • 7
    CONOCOPHILLIPS (U.K.) LIMITED - 2019-10-01
    CONOCO (U.K.) LIMITED - 2002-11-21
    CONTINENTAL OIL HOLDINGS LIMITED - 1980-12-31
    icon of address 151 Buckingham Palace Road, London, England
    Active Corporate (5 parents)
    Officer
    icon of calendar 1997-06-01 ~ 2000-07-01
    IIF 9 - Director → ME
  • 8
    CONOCOPHILLIPS HOLDINGS LIMITED - 2019-10-01
    CUKL HOLDINGS LIMITED - 2002-11-21
    NEW CONOCO LIMITED - 1998-11-17
    icon of address 151 Buckingham Palace Road, London, England
    Active Corporate (4 parents, 4 offsprings)
    Officer
    icon of calendar 1998-10-29 ~ 2000-07-01
    IIF 10 - Director → ME
  • 9
    CONOCO (U.K.) EPSILOM LIMITED - 2002-11-21
    CONOCOPHILLIPS (U.K.) EPSILOM LIMITED - 2004-03-17
    CARMADE LIMITED - 1999-03-17
    icon of address C/o Bdo Llp, 55 Baker Street, London
    Dissolved Corporate (3 parents)
    Officer
    icon of calendar 1999-03-10 ~ 2000-07-01
    IIF 7 - Director → ME
  • 10
    OIL INDUSTRY INTERNATIONAL EXPLORATION AND PRODUCTION FORUM (THE) - 1999-06-24
    icon of address City Tower, 40 Basinghall Street, London
    Active Corporate (12 parents, 1 offspring)
    Equity (Company account)
    6,944,370 GBP2023-12-31
    Officer
    icon of calendar 1999-04-29 ~ 2000-05-26
    IIF 5 - Director → ME
  • 11
    CONOCOPHILLIPS EUROPEAN GAS AND POWER LIMITED - 2010-05-18
    CONOCOPHILLIPS COMMERCIAL STORAGE LIMITED - 2011-07-21
    CONOCO EUROPE GAS LIMITED - 2002-11-21
    CONOCOPHILLIPS CS LIMITED - 2012-07-02
    ROLECHARM LIMITED - 1993-06-04
    icon of address 7th Floor, 200-202 Aldersgate Street, London
    Dissolved Corporate (7 parents)
    Officer
    icon of calendar 1997-06-01 ~ 2000-07-01
    IIF 13 - Director → ME
  • 12
    CONOCOPHILLIPS LIMITED - 2012-07-02
    CONOCO LIMITED - 2003-08-01
    icon of address 7th Floor, 200-202 Aldersgate Street, London
    Active Corporate (11 parents, 18 offsprings)
    Officer
    icon of calendar 1997-06-01 ~ 2000-07-01
    IIF 2 - Director → ME
  • 13
    PHILLIPS 66 POWER OPERATIONS LIMITED - 2013-07-23
    CONOCO (U.K.) DELTA LIMITED - 2001-08-01
    BISMANE LIMITED - 1999-03-17
    CONOCO POWER OPERATIONS LIMITED - 2002-11-21
    CONOCOPHILLIPS POWER OPERATIONS LIMITED - 2012-07-02
    icon of address Vpi, 10th Floor, Nova South, 160 Victoria Street, London, England
    Active Corporate (4 parents, 3 offsprings)
    Officer
    icon of calendar 1999-03-10 ~ 2000-07-01
    IIF 3 - Director → ME

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Contains public sector information retrieved at 12 November 2025 and licensed under the Open Government Licence v3.0.