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Education
Extended BSc Geology with Applied Engineering, North Arizona University, 1978
Graduate Studies in Petroleum Engineering, Colorado School of Mines
Professional Profile
In excess of 30 years of petroleum engineering experience
Project management
Oil and gas field studies; United States, China, Mexico, South America, Western and Eastern Europe and Asia
Petrophysical studies
Unitization studies
Workover opportunity identification
Property evaluation, acquisition and divestitures
Reservoir and economic evaluation
Expert witness testimony
Gas deliverability and gas storage
Coal bed methane studies
Reservoir simulation
Waterflood feasibility studies
Development of reservoir engineering courses for industry
COUNTRIES OF WORK EXPERIENCE
United States (essentially all oil and gas areas), U.K. Offshore, China, Mexico, South America, Western and Eastern Europe and Asia.
WORK EXPERIENCE
MHA PETROLEUM CONSULTANTS LLC, Denver, Colorado:
(August 2011) Managing Partner and Petroleum Consultant
(March 2008) President and Petroleum Consultant
(May 2006) Vice President and Petroleum Consultant
Responsible for Denver and International operations: project manager, reserve and economic evaluations, litigation support, reservoir studies, acquisition and divestiture support. Manages an organization of approximately 30 people with active engineering projects worldwide. In charge of staff recruitment, development of new business and new business contacts, as well as maintaining relationships with the company's existing client base.
SPROULE ASSOCIATES INC., Denver, Colorado
(February, 1997 to May, 2006) U. S. Manager and Petroleum Consultant
Responsible for U. S. operations; opened U. S. office for Sproule Associates Ltd. Project manager, reservoir studies, property evaluations, litigation support, acquisition and divestiture support, CBM studies, petrophysical studies, feasibility studies, reservoir and economic studies of properties throughout the U. S.
GEOQUEST RESERVOIR TECHNOLOGIES, DENVER, Colorado:
(Formerly Intera Petroleum and Jerry R. Bergeson & Associates, Inc.)
(January, 1981 to January, 1997) Petroleum Consultant
Technical reservoir studies, property evaluations, secondary recovery studies, gas deliverability and gas storage, petrophysical studies, unitization studies, expert testimony, reservoir and economic studies of properties in Williston Basin, Rocky Mountain, Mid-Continent, West Coast and Gulf Coast areas of the U. S.
THUMS LONG BEACH COMPANY, Long Beach, California:
(January, 1980 to January, 1981) Development/Drilling Engineer
Responsible for design of highly deviated wellbores, completion design, field operations.
Dresser Atlas, Long Beach, California:
(August, 1978 to December, 1979) Field Engineer
Open hole logging operations and log interpretation. Supervised field crew, planned and operated offshore skid unit on Exxon’s offshore Belmont Island platform.
Professional Memberships
Society of Petroleum Engineers – Recipient of the SPE 1995 Regional Service Award
Society of Petroleum Evaluation Engineers
American Association of Petroleum Geologists
Society of Professional Well Log Analysts
Rocky Mountain Association of Geologists
AAPG Certified Petroleum Geologist #5270
Licensed Professional Geoscientist, Texas #181
Licensed Professional Geologist, Wyoming #PG-3059
Licensed Professional Geologist, Utah #5207412-2250
Publications
- Seidle, John P. and O’Connor, Leslie S., “The Impact of Undersaturation on Coal Gas Economics”, SPE 107731, presented at the 2007 SPE Rocky Mountain Oil & Gas Technology Symposium, Denver, Colorado, U. S. A. 16-18 April 2007.
- Seidle, John P., O’Connor, Leslie S., “Production Based Probabilistic Economics for Unconventional Gas”, SPE Paper #82024, 2003
- Cluff, Suzanne G., O’Connor, Leslie S. and Hansen, John T., “Petrophysical Analysis of the Frontier Formation (Cretaceous), Whiskey Buttes Field, Lincoln County, Wyoming”, SPE Paper 38379, 1997
- “Remaining Production Potential of Tight Gas Sand Wells in a Reservoir Under Curtailment”, GRI Atlas of Major Rocky Mountain Gas Reservoirs, 1993
- “Marketing Natural Gas from the Rocky Mountain Region”, GRI Atlas of Major Rocky Mountain Gas Reservoirs, 1993
- Seidle, John P., O’Connor, Leslie S.,“The Impact of Undersaturation on Coal Gas Economics”, SPE Paper # 107731, 2007
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