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Computalog Limited
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Organization
Calgary, CA
OIL, GAS FIELD SERVICES, NBC
Business Address
2000 530 8TH AVE SW CALGARY ALBERTA T2P A0 4032656060
Mailing Address
CT CORPORATION SYSTEM 811 DALLAS AVENUE HOUSTON TX 77002
State Location
A0
State of Incorporation
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Patents Grants
last 30 patents
Information
Patent Grant
Perforating gun firing head with vented block for holding detonator
Patent number
6,742,602
Issue date
Jun 1, 2004
Computalog Limited
Kevin Trotechaud
F42 - AMMUNITION BLASTING
Information
Patent Grant
Downhole shock absorber
Patent number
6,412,614
Issue date
Jul 2, 2002
Core Laboratories Canada Ltd.
Timothy Edward Lagrange
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dynamic orienting reference system for directional drilling
Patent number
6,192,748
Issue date
Feb 27, 2001
Computalog Limited
Robert G. Miller
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pulser
Patent number
6,002,643
Issue date
Dec 14, 1999
Computalog Limited
Borislav J. Tchakarov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Centralizers for a downhole tool
Patent number
5,934,378
Issue date
Aug 10, 1999
Computalog Limited
Borislav J. Tchakarov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Flexible joint for downhole tools
Patent number
5,836,388
Issue date
Nov 17, 1998
Computalog Limited
Borislav J. Tchakarov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Universal joint arrangement for downhole tools
Patent number
5,078,650
Issue date
Jan 7, 1992
Computalog Ltd.
Dean Foote
E21 - EARTH DRILLING MINING
Information
Patent Grant
Compressive seal and pressure control arrangements for downhole tools
Patent number
5,067,874
Issue date
Nov 26, 1991
Computalog Ltd.
Dean Foote
E21 - EARTH DRILLING MINING
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Trademark
last 30 trademarks
Information
Trademark
78072627 - WELLZ
Serial number
78072627
Registration number
2718265
Filing date
Jul 6, 2001
Computalog, Ltd.
16 - Paper, cardboard and goods made from these materials, not included in other classes
Information
Trademark
75698792 - UNITED GEOCOM DRILLING SERVICES
Serial number
75698792
Registration number
2341039
Filing date
May 6, 1999
Computalog Ltd.
37 - Building construction
Information
Trademark
75620727 - COMPUTALOG COMMANDER
Serial number
75620727
Filing date
Jan 14, 1999
Computalog, Ltd.
12 - Vehicles
Information
Trademark
75620726 - COMPUTALOG EXPRESS
Serial number
75620726
Filing date
Jan 14, 1999
Computalog, Ltd.
12 - Vehicles
Information
Trademark
75391327 - PARAGON
Serial number
75391327
Registration number
2284596
Filing date
Nov 17, 1997
Computalog, Ltd.
7 - Machines and machine tools