Gary Casswell

Chairman at NORTHERN DRILLING LTD.

Net worth: 253 405 $ as of 2026-05-30

73 year

78 connections

Industrial Services

Consumer Services

Commercial Services

Profile

Gary W.
Casswell is currently Chairman-Drilling Contractor Publications at the International Association of Drilling Contractors, Chairman at Northern Drilling Ltd. since 2017, Chairman at Northern Ocean Ltd. since 2020, Independent Director at Ensign Energy Services, Inc. since 2017, and Member of the Society of Petroleum Engineers, Inc. Former positions include President & Chief Executive Officer at Northern Offshore Ltd. from 2010 to 2017, Director at Trinidad Drilling Ltd., Vice President-Eastern Hemisphere Operations at Pride International LLC (Texas) from 1998 to 2008, and Manager-Operations & Technical Development at Santa Fe International Corp.
from 1974 to 1998.
Education includes an undergraduate degree from The California State University, conferred in 1980.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ENSIGN ENERGY SERVICES INC. 0.05%	2026-03-30	83,632 ( 0.05% )	253 405 $	2026-05-30

Gary Casswell active positions

Companies	Position	Start
NORTHERN DRILLING LTD.	Chairman	2017-08-31
ENSIGN ENERGY SERVICES INC.	Director/Board Member	2017-12-03
NORTHERN OCEAN LTD.	Chairman	2019-12-31
Society of Petroleum Engineers, Inc. Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services	Corporate Officer/Principal	2011-08-08
International Association of Drilling Contractors International Association of Drilling Contractors Miscellaneous Commercial ServicesCommercial Services Operates as a a non-profit trade association for drilling industry	Corporate Officer/Principal	-

All active positions of Gary Casswell

Former positions of Gary Casswell

Companies	Position	End
NORTHERN OFFSHORE LTD.	Chief Executive Officer	2017-06-30
Pride International LLC (Texas) Pride International LLC (Texas) Contract DrillingIndustrial Services Provides offshore drilling, rig and crew services to oil and gas companies	Corporate Officer/Principal	2007-12-31
Santa Fe International Corp. Santa Fe International Corp. Contract DrillingIndustrial Services Engaged in offshore contract drilling of oil and gas wells for independent and major oil and gas companies.	Chief Operating Officer	1997-12-31
TRINIDAD DRILLING LTD.	Director/Board Member	-

See the detail of Gary Casswell's experience

Training of Gary Casswell

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Gary Casswell's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	10
Pride International LLC (Texas) Pride International LLC (Texas) Contract DrillingIndustrial Services Provides offshore drilling, rig and crew services to oil and gas companies	Industrial Services
Ensign Energy Services, Inc. Ensign Energy Services, Inc. Contract DrillingIndustrial Services Provides contract well drilling and well services to the oil and natural gas industry	Industrial Services
Northern Offshore Ltd. Northern Offshore Ltd. Contract DrillingIndustrial Services Operates offshore oil and gas production and drilling vessels	Industrial Services
The California State University The California State University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Santa Fe International Corp. Santa Fe International Corp. Contract DrillingIndustrial Services Engaged in offshore contract drilling of oil and gas wells for independent and major oil and gas companies.	Industrial Services
Society of Petroleum Engineers, Inc. Society of Petroleum Engineers, Inc. Engineering & ConstructionIndustrial Services Provides petroleum engineering services	Industrial Services
International Association of Drilling Contractors International Association of Drilling Contractors Miscellaneous Commercial ServicesCommercial Services Operates as a a non-profit trade association for drilling industry	Commercial Services
Trinidad Drilling Ltd. Trinidad Drilling Ltd. Contract DrillingIndustrial Services Provides drilling and well services to the oil and natural gas industry	Industrial Services
Northern Drilling Ltd. Northern Drilling Ltd. Contract DrillingIndustrial Services Provides offshore drilling contracting services for oil and gas sector	Industrial Services
Northern Ocean Ltd. Northern Ocean Ltd. Contract DrillingIndustrial Services Provides offshore contract drilling services for the oil and gas industry	Industrial Services