ENSIGN ENERGY SERVICES, INC.
21 Marks
Corp.
First Filed:Jun 1, 2001Latest Filed:Feb 16, 2026Address:400 - 5 Avenue SW, Calgary, AB T2P0L6, CA
Portfolio Overview
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Class 37
Construction and RepairClass 7
MachineryClass 42
Software, IT Services & Scientific ResearchTTAB Proceedings
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1(100%)As Defendant
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Description: Class 7: Automated drilling rigs for well bore drilling
Class 9: Recorded computer software for managing automated directional steering control in oil and gas drilling rig equipment; downloadable software for monitoring and controlling drilling rigs
Class 37: Oil well drilling services
Class 9: Recorded computer software for managing automated directional steering control in oil and gas drilling rig equipment; downloadable software for monitoring and controlling drilling rigs
Class 37: Oil well drilling services

Description: Gas drilling; Drilling of wells; Drilling of oil wells; Directional drilling of wells; Drilling and pumping of oil; Drilling for crude oil; Drilling for oil and gas; Drilling of deep oil or gas wells; Installation, maintenance and repair of drilling and mining tools; Offshore drilling of wells; Oil and gas drilling; Oil drilling; Oil well drilling; Oil pumping; Physical clean-up of exploration and drilling project locations to restore them to their original condition

Description: Gas drilling; Drilling of wells; Drilling of oil wells; Directional drilling of wells; Drilling and pumping of oil; Drilling for crude oil; Drilling for oil and gas; Drilling of deep oil or gas wells; Installation, maintenance and repair of drilling and mining tools; Offshore drilling of wells; Oil and gas drilling; Oil drilling; Oil well drilling; Oil pumping; Physical clean-up of exploration and drilling project locations to restore them to their original condition

Description: Gas drilling; Drilling of wells; Drilling of oil wells; Directional drilling of wells; Drilling and pumping of oil; Drilling for crude oil; Drilling for oil and gas; Drilling of deep oil or gas wells; Installation, maintenance and repair of drilling and mining tools; Offshore drilling of wells; Oil and gas drilling; Oil drilling; Oil well drilling; Oil pumping; Physical clean-up of exploration and drilling project locations to restore them to their original condition

Description: Recorded computer software for managing automated directional steering control in oil and gas drilling rig equipment; recorded software for monitoring and controlling drilling rigs; Automated drilling rigs for well bore drilling; Oil well drilling services; "AUTOPILOT"

Description: Recorded computer software for managing automated directional steering control in oil and gas drilling rig equipment; Downloadable and recorded software for monitoring and controlling drilling rigs.; Automated drilling rigs for well bore drilling; Oil well drilling services

Description: Training services regarding database compilation and access relating to real-time drilling and workflows in the oil and gas industry; providing on-line nondownloadable electronic publications, namely, brochures, manuals and directories about the optimization of oil and gas drilling; Manufacture of customized oil and gas production equipment; Oil and gas well treatment, namely, workover and servicing of oil and gas wells; downloadable computer software for database management and compilation, management and optimization of real-time oil and gas drilling operations; automation system comprised of directional guidance system and recorded computer assistive software for managing the operation of well drilling rigs, recorded software for monitoring and controlling drilling rigs; downloadable software for collecting and storing real-time rig machine data and drilling performance data for use in the exploitation of oil and gas wells; downloadable electronic publications, namely, brochures, manuals and directories about the optimization of oil and gas drilling; Automated drilling rigs for well bore drilling; providing access to databases to analyze and optimize oil and gas drilling operations; Publications, namely, printed brochures, manuals and directories about the optimization of oil and gas drilling; Oil well drilling services operations; oil and gas drilling services, namely, using real-time data to automatically control and adjust the drilling process and the drilling rig equipment; oilfield services provided to the oil and natural gas industry, namely, rental of drilling rigs; drilling, of oil and gas wells; conventional drilling, underbalanced drilling, horizontal drilling and slant drilling of oil and gas wells; directional oil and gas drilling services in the oil and gas industry; technical consulting about oil and gas drilling with respect to the workflows for drilling and flat time drilling operations in oil and gas wells; Compilation of information into computer databases in the field of oil and gas drilling database; "DRILLER IN THE LOOP"; engineering consulting services with respect to the workflows for drilling and flat time drilling operations in oil and gas wells; analysis services for exploiting oilfields, namely, analysis and sorting of collected machinery and drilling performance data in the field of oil and gas well drilling; analysis services for exploiting oilfields, namely, preparing reports of relevant data for the purpose of adjusting the drilling operations of oil and gas wells; analysis services for exploiting oilfields, namely, using web-based data visualization and online network access to collect data for use in the oil and gas drilling industry; providing on-line non-downloadable computer software for database management and compilation, management and optimization of real-time oil and gas drilling operations; providing on-line non-downloadable software for collecting and storing real-time rig machine data and drilling performance data for use in the exploitation of oil and gas wells; real-time monitoring of oil and gas drilling operations using computer hardware and software to ensure functionality and determine any changes in condition; Oil and gas well testing and performing oil and gas well diagnostics, namely, workover and servicing of oil and gas wells

Owner:
Serial:97613404
Filed:Sep 29, 2022
Classes:7, 9, 16, +6
Registration:7789961
Registered:May 13, 2025
Description: Training services regarding in a form of database compilation and access relating to real-time drilling and workflows in the oil and gas industry; providing on-line nondownloadable electronic publications, namely, brochures, manuals and directories about the optimization of oil and gas drilling; Manufacture of customized oil and gas production equipment; Oil and gas well treatment, namely, workover and servicing of oil and gas wells; downloadable computer software for database management and compilation, management and optimization of real-time oil and gas drilling operations; automation system comprised of directional guidance system and recorded computer assistive software for managing the operation of well drilling rigs, recorded software for monitoring and controlling drilling rigs; downloadable software for collecting and storing real-time rig machine data and drilling performance data for use in the exploitation of oil and gas wells; downloadable electronic publications, namely, brochures, manuals and directories about the optimization of oil and gas drilling; Automated drilling rigs for well bore drilling; providing access to databases to analyze and optimize oil and gas drilling operations; Publications, namely, printed brochures, manuals and directories about the optimization of oil and gas drilling; Oil well drilling services operations; oil and gas drilling services, namely, using real-time data to automatically control and adjust the drilling process and the drilling rig equipment; oilfield services provided to the oil and natural gas industry, namely, rental of drilling rigs; drilling of oil and gas wells; conventional drilling, underbalanced drilling, horizontal drilling and slant drilling of oil and gas wells; directional oil and gas drilling services in the oil and gas industry; technical consulting about oil and gas drilling with respect to the workflows for drilling and flat time drilling operations in oil and gas wells; Compilation of information into computer databases in the field of oil and gas drilling database; "HUMAN IN THE LOOP"; engineering consulting services with respect to the workflows for drilling and flat time drilling operations in oil and gas wells; analysis services for exploiting oilfields, namely, analysis and sorting of collected machinery and drilling performance data in the field of oil and gas well drilling; analysis services for exploiting oilfields, namely, preparing reports of relevant data for the purpose of adjusting the drilling operations of oil and gas wells; analysis services for exploiting oilfields, namely, using web-based data visualization and online network access to collect data for use in the oil and gas drilling industry; providing on-line non-downloadable computer software for database management and compilation, management and optimization of real-time oil and gas drilling operations; providing on-line non-downloadable software for collecting and storing real-time rig machine data and drilling performance data for use in the exploitation of oil and gas wells; real-time monitoring of oil and gas drilling operations using computer hardware and software to ensure functionality and determine any changes in condition; Oil and gas well testing and performing oil and gas well diagnostics, namely, workover and servicing of oil and gas wells

Description: Automation system comprised of directional guidance system hardware and computer assistive software that accesses online non-downloadable software for managing the operation of well drilling rigs, software for monitoring and controlling drilling rigs that accesses online non-downloadable software; Automated drilling rigs for well bore drilling; Oil well drilling services

Owner:
Serial:88411221
Filed:May 1, 2019
Classes:9, 16, 35, +2
Registration:7452455
Registered:Jul 23, 2024
Description: Downloadable computer software for database management, compilation of data related to real-time oil and gas drilling operations, and management and optimization of real-time oil and gas drilling operations; downloadable electronic publications, namely, brochures, manuals and directories relating to the optimization of oil and gas drilling operations; electronic publications, namely, brochures, manuals and directories recorded on computer media relating to the optimization of oil and gas drilling operations; Providing access to databases to analyze and optimize oil and gas drilling operations; Publications, namely, brochures, manuals and directories in paper form relating to the optimization of oil and gas drilling operations; Database compilation relating to real-time drilling and workflows in the oil and gas industry; compilation of oil and gas drilling databases; Providing an online computer database relating to real-time drilling and workflows in the oil and gas industry; technical consulting and engineering consulting services with respect to the workflows for drilling and flat time drilling operations in oil and gas wells

Description: Software for collecting and storing real-time rig machine data and drilling performance data for use in the exploitation of oil and gas wells; Analysis and sorting of collected machinery and drilling performance data; preparing reports of relevant data for the purpose of adjusting the drilling operations of oil and gas wells; Real-time monitoring of oil and gas drilling operations; using real-time data to automatically control and adjust the drilling process and the drilling rig equipment; using web-based data visualization and online network access to collected data for use in the oil and gas drilling industry

Owner:
Serial:86823394
Filed:Nov 17, 2015
Classes:37, 39, 40, +1
Registration:5784446
Registered:Jun 25, 2019
Description: Oil production services; Transportation of drilling rigs by truck; Conventional drilling of oil, gas, water, potash and oil sands wells, underbalanced drilling of oil, gas, water, potash and oil sands wells, horizontal drilling of oil, gas, water, potash and oil sands wells and slant drilling of oil, gas, water, potash and oil sands wells; re-entry services, namely, oil well casing and tubing installation in abandoned oil, gas, water, potash and oil sands wells to further investigate the content; well coring of oil, gas, water, potash and oil sands wells; Well logging; oil well testing

Description: Oil, gas and thermal well servicing rigs; well servicing rig equipment, namely, mobile carrier with hydraulic leveling and positioning jacks, slant vertical stiff mast, hydraulic raising system with floating chain driven crown and travelling block assembly, enclosed operators cab with PLC over hydraulic operating hydraulic system, integrated hydraulic power pack and pipe handling system with delivery of tubing to center of mast; Completion of oil, gas and thermal wells, namely, preparing the wells for production; Work over of oil, gas and thermal wells, namely, remedial maintenance of oil, gas and thermal wells, namely, repair and replacement of well equipment on declining wells to enhance production level; Servicing of oil, gas and thermal wells, namely, completion, maintenance, namely, repair and replacement of well production equipment, abandonment and re-completion services

Owner:
Serial:77290464
Filed:Sep 27, 2007
Classes:7, 37, 39, +3
Registration:3798007
Registered:Jun 8, 2010
Description: Oilfield services provided to the oil and natural gas industry, namely, oil and gas production services; Custom manufacture of customized oil and gas production equipment; Oil and gas well drilling rigs, well servicing rigs for repair and cleaning of oil and gas wells, and workover rigs for remedial work conducted on oil and gas wells, and all component parts of such rigs; Oilfield services provided to the oil and natural gas industry, namely, rig transportation and rental of transportation trucks; Oilfield services provided to the oil and natural gas industry, namely, oil and gas well drilling; completion procedures on oil and gas wells, namely, inserting casing pipe and cement down a well to allow for production; workover and servicing of oil and gas wells, namely, repair and maintenance of oil and gas wells; conventional well drilling, underbalanced well drilling, horizontal well drilling and slant well drilling; re-entry services, namely, oil well drilling of re-worked wells; wireline services, namely, installation of emergency cables for oilfield safety; rental of oil well drilling rigs, tanks, pumps, towers, and oil well drilling tools related to drilling, servicing, workover, completion, production and testing of oil and gas wells; [ Mobile camps, namely, providing temporary housing accommodations for oilfield camps ]; Oilfield services provided to the oil and natural gas industry, namely, well logging and oil well testing

Owner:
Serial:77287531
Filed:Sep 24, 2007
Classes:7, 12, 37, +4
Registration:3697460
Registered:Oct 20, 2009
Description: Oilfield services provided to the oil and natural gas industry, namely, oil and gas production services; manufacture of customized oil and gas production equipment; Oil and gas well drilling rigs, well servicing rigs for repair and cleaning of oil and gas wells, and workover rigs for remedial work conducted on oil and gas wells, and all component parts of such rigs; [ Oilfield services provided to the oil and natural gas industry, namely, rig transportation and rental of transportation trucks ]; Oilfield services provided to the oil and natural gas industry, namely, oil and gas well drilling; completion procedures on oil and gas wells, namely, inserting casing pipe and cement down a well to allow for production; workover and servicing of oil and gas wells, namely, repair and maintenance of oil and gas wells; conventional well drilling, under balanced well drilling, horizontal well drilling and slant well drilling; re-entry services, namely, oil well drilling of re-worked wells; wireline services, namely, installation of emergency cables for oilfield safety; rental of oil well drilling rigs, tanks, pumps, towers, and oil well drilling tools related to drilling, servicing, workover, completion, production and testing of oil and gas wells; [ Mobile camp facilities for oilfield camps, namely, trailers used for accommodation, recreation rooms, kitchen facilities and sewage solutions ]; "INJURIES" AND "INCIDENTS"; [ Mobile camps, namely, providing temporary housing accommodations for oilfield camps ]; Oilfield services provided to the oil and natural gas industry, namely, well logging and oil well testing

Owner:
Serial:77287484
Filed:Sep 24, 2007
Classes:7, 12, 37, +4
Registration:3684877
Registered:Sep 22, 2009
Description: Oilfield services provided to the oil and natural gas industry, namely, oil and gas production services; manufacture of customized oil and gas production equipment; Oil and gas well drilling rigs, well servicing rigs for repair and cleaning of oil and gas wells, and workover rigs for remedial work conducted on oil and gas wells, and all component parts of such rigs; Oilfield services provided to the oil and natural gas industry, namely, rig transportation and rental of transportation trucks; Oilfield services provided to the oil and natural gas industry, namely, oil and gas well drilling; completion procedures on oil and gas wells, namely, inserting casing pipe and cement down a well to allow for production; workover and servicing of oil and gas wells, namely, repair and maintenance of oil and gas wells; conventional well drilling, under balanced well drilling, horizontal well drilling and slant well drilling; re-entry services, namely, oil well drilling of re-worked wells; wireline services, namely, installation of emergency cables for oilfield safety; rental of oil well drilling rigs, tanks, pumps, towers, and oil well drilling tools related to drilling, servicing, workover, completion, production and testing of oil and gas wells; [ Mobile camp facilities for oilfield camps, namely, trailers used for accommodation, recreation rooms, kitchen facilities and sewage solutions ]; [ camps, namely, providing temporary housing accommodations for oilfield camps ]; Oilfield services provided to the oil and natural gas industry, namely, well logging and oil well testing

Owner:
Serial:77287542
Filed:Sep 24, 2007
Classes:7, 12, 37, +4
Registration:3684878
Registered:Sep 22, 2009
Description: Oilfield services provided to the oil and natural gas industry, namely, oil and gas production services; manufacture of customized oil and gas production equipment; Oil and gas well drilling rigs, well servicing rigs for repair and cleaning of oil and gas wells, and workover rigs for remedial work conducted on oil and gas wells, and all component parts of such rigs; Oilfield services provided to the oil and natural gas industry, namely, rig transportation and rental of transportation trucks; Oilfield services provided to the oil and natural gas industry, namely, oil and gas well drilling; completion procedures on oil and gas wells, namely, inserting casing pipe and cement down a well to allow for production; workover and servicing of oil and gas wells, namely, repair and maintenance of oil and gas wells; conventional well drilling, under balanced well drilling, horizontal well drilling and slant well drilling; re-entry services, namely, oil well drilling of re-worked wells; wireline services, namely, installation of emergency cables for oilfield safety; rental of oil well drilling rigs, tanks, pumps, towers, and oil well drilling tools related to drilling, servicing, workover, completion, production and testing of oil and gas wells; [Mobile camp facilities for oilfield camps, namely, trailers used for accommodation, recreation rooms, kitchen facilities and sewage solutions]; [Mobile camps, namely, providing temporary housing accommodations for oilfield camps]; Oilfield services provided to the oil and natural gas industry, namely, well logging and oil well testing



