William Sterling Donovan - Consulting Petroleum Engineer
Summary of ExperienceLicenses and Organizations
Education
Experience
October, 1989 to present
-wellsite supervision in the Rocky Mountain region
-wellsite geology and mudlogging in US, Romania and Moldova
-develop and patent mudlogging equipment and provide mudlogging services
-design completions, stimulation programs and drilling plans
-prepare field studies and reserve reports
-evaluate logs from all major U.S. producing regions
January, 1983 to October, 1989
-corporate officer, with sole check and project authority to $1,000,000.00
-marketed, negotiated and sold oil and gas properties
-prepared reserve reports, budgets and business plans
-evaluated and invested in oil and gas prospects
October, 1981 to January, 1983
-prepared reserve evaluations of properties from all major U.S. producing regions
-evaluated petrophysical logs, transient pressure tests and drawdown tests
-expert witness in oil and gas hearings, tight gas sand hearings and lawsuits
May, 1976 to October, 1981
-supervised drilling and completion operations
-drilled and completed numerous coal gas wells
-witnessed logs and made casing point elections
December, 1971 to September 1975
-managed a core laboratory and ran core analysis
-mudlogged in the Rocky Mountains and the Canadian Arctic
Publications
- `The Price Gramps Field`, Oil and Gas Fields of the Four Corners, Four Corners Geological Society.
- `An Investigation of Spectral Gamma Ray Emissions and Cation Exchange Capacity in the Muddy J Formation`, with Dr. D. W. Hilchie, SWPLA Log Analyst.
- `A Study of the Factors Influencing Well Productivity of the `J` and Codell Reservoirs`, SPE Rocky Mountain Regional/Low Permeability Reservoirs Symposium.
- `Mudlogging Method Calculates Coalbed Gas Content`, Oil and Gas Journal.
- see www.mudlogger.com for other publications
- Drilling Nipple Gas Trap, Patent Number 5,007,488
- Compensated Gamma Ray Mudlog, Patent Number 5,165,275
Claudio Fonseca - Consulting Reservoir Engineer
Reservoir engineer with over 15 years experience in oil and gas development and research. Principal areas of expertise include specialization in application and development of numerical simulators for fluid flow in petroleum reservoirs, pressure-transient analysis, improved/enhanced oil recovery, unconventional reservoirs and the integration of detailed reservoir studies. Conducted and supervised multiple projects in several Latin America countries.
Summary of Experience
Organizations
Education
Publications
- `Evaluacion de la Eficiencia Volumetrica de Barrido mediante Trazadores en un Proyecto Maduro de Recuperacion Secundaria del Yacimiento Chihuido de la Sierra Negra`, Claudio Fonseca, Carlos Somaruga, Nestor Barros, paper presented in 2005 II Jornadas sobre Recuperacion Secundaria y Asistida, Malargue, Mendoza, Argentina.
- `Reservoir Study of the Largest Oil Field in Argentina - A Two Reservoir 2200 Well Simulation Model`, C. Fonseca, Tuba Firincioglu, Gustavo Fernandez, Chet Ozgen, Alejandro Albertoni, paper presented in 2004 SPE Annual Meeting, Houston, Texas, USA.
- `New Surfactant for Chemical Flood in High-Salinity Reservoir`, Alain Zaitoun/IFP; Claudio Fonseca/REPSOL-YPF; Paul Berger/Oil Chem Technologies; Brigitte Bazin and Nicole Monin/IFP. Paper presented in the 2003 SPE International Symposium on Oilfield Chemistry, Houston, USA.
- `Recognition of Compartmentalization and Reserve Growth Potential un a Structurally and Stratigraphically Complex Reservoir , Example from the Barrancas Norte Field, Cuyana Basin, Argentina`, Holtz, Mark, Yeh,Chang U.T. at Austin, Austin Texas and Fonseca, Claudio YPF S.A. Argentina. Abstract submitted to the 1997 SPE Annual Convention.
- `Trapping Styles of Potrerillos Formation ( Ladinian - Carnian ) in the Barrancas Oil Filed, Mendoza`, Jalfin, G., Andrada, L., Bugarini, M., Fonseca, C., Frati, G., Lafourcade, P., Moreiras, E.. Paper presented in the Mendoza Reservoir Characterization Meeting, Nov. 96.
- `Study of production of water because of coning in Well Epn-1012, El Porton Field`, P. M. Carrica, Diego Diaz, C. Fonseca y Edgardo Moreiras. Paper presented in Repsol - YPF Congress Madrid Spain.
- 'Effect of Interference of Adjacent wells in the interpretation of Falloff Tests', C. Fonseca y Edgardo Moreiras. Paper presented in Repsol - YPF Congress Madrid Spain.
Academic Activities
- 'Applied Reservoir Simulation' Course professor for Postgrade Petroleum Engineering Department, Instituto Tecnologico de Buenos Aires (ITBA), Buenos Aires Argentina
- `Fundamentals of Reservoir Simulation` Course professor for Undergraduate Petroleum Engineering Department, Instituto Tecnologico de Buenos Aires (ITBA), Buenos Aires Argentina
- `Transient Well Testing` Course professor for Undergraduate Petroleum Engineering Department, Instituto Tecnologico de Buenos Aires (ITBA), Buenos Aires Argentina
- `Transient Well Testing` Course professor for Postgraduate Petroleum Engineering Department, Instituto Tecnologico de Buenos Aires (ITBA), Buenos Aires Argentina
R. Michael Lloyd - Consulting Geologist
Dr. R. Michael Lloyd is an independent consulting geologist from Houston, Texas. He was with Shell Oil Company for 20 years during which time he occupied positions of growing responsibility in research, exploration and development.
Since leaving Shell in 1977 Dr. Lloyd has undertaken exploration projects and prospect generation in most of the productive basins of North America. He has also participated in exploration projects and development studies in many of the important carbonate basins world-wide.
Dr. Lloyd is a recognized authority on the deposition, diagenesis and porosity evolution of carbonate rocks and has authored numerous publications on these subjects. As an independent consultant he as applied his knowledge of carbonate rocks in his own exploration, in exploration and production studies for major oil companies and as an instructor in training courses for major and independent oil companies and the AAPG and SPE.
Since leaving Shell in 1977 Dr. Lloyd has undertaken exploration projects and prospect generation in most of the productive basins of North America. He has also participated in exploration projects and development studies in many of the important carbonate basins world-wide.
Dr. Lloyd is a recognized authority on the deposition, diagenesis and porosity evolution of carbonate rocks and has authored numerous publications on these subjects. As an independent consultant he as applied his knowledge of carbonate rocks in his own exploration, in exploration and production studies for major oil companies and as an instructor in training courses for major and independent oil companies and the AAPG and SPE.


