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HGS Northsiders Lunch - Black Shale
Tuesday 19-Oct-10 11:30 AM to 1:00 PM CDT
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Crowne Plaza Greenspoint425 North Sam Houston Parkway EastHouston TX 77060 USA Google Maps | Hotels Near | Yahoo! Maps | Weather Forecast Phone: (281) 445-9000 Fax: (281) 445-9826 | Speaker Jeffrey NunneleyPosition: Chief GeologistCompany: Marathon Oil Company |
Event Description
It’s All Black Shale: Relating Physical Scales and Measured Values to Organic-Rich Mudrocks
Organic-rich mudrocks are commonly described as black shales. They contain mixtures of various, alternating microfabrics and compositions. Their sedimentary textures, structures, and mineral compositions can vary on a microscopic scale. Production variations from Mudrock reservoirs occur on a much larger scale. Because of the multiple physical scales involved, it is a difficult task to relate the core analysis values of these mudrocks to petrophysical log and production values.
Many mudrock microfabrics are observed to be only a few millimeters thick. The laboratory analysis from a single 1” core plug can sample several individual micro lithologies. Petrophysical logs generally represent rock properties from a scale 20 times greater than from a single core plug. Production volumes from a Mudrock reservoir in a single well involve sampling from a scale several orders of magnitude greater than from Petrophysical logs.
It is important to make meaningful relationships in measured rock properties across multiple physical scales. Laboratory improvements could include utilization of a higher sampling frequency. Petrophysical enhancements could include the utilization of tools with higher frequency resolution. Bulk sampling of mudrocks might be advantageous when working with hydrocarbon composition data. The distribution of the critical data of importance will influence the sampling methodology which can best characterize the rock.
Attachments
Event Contact |
Event Coordinator |
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| David Tonner | Matt Briscoe | ||
| (713) 516-6894 | (713)447-6246 | ||
| (713) 849-1850 FAX | (713) 849-1850 FAX | ||
HGS Northsiders Lunch - Black Shale
Tuesday 19-Oct-10 11:30 AM to 1:00 PM CDT
Speaker Jeffrey Nunneley
Position: Chief GeologistCompany: Marathon Oil Company
Biography
Jeffrey Nunneley is Chief Geologist of North America Onshore for Marathon Oil Company in Houston. He is responsible for influencing & supporting the quality of technical work being generated by Marathon’s onshore geologists in the exploration & production groups of North America. Jeffrey began his career in Dallas with Enserch Exploration and has also worked for El Paso Production Company. He has more than 30 years of experience in trend evaluation and prospect generation in both conventional & unconventional resources across the southern United States and offshore Gulf of Mexico. Mr. Nunneley has a BS in geology from Texas A&M University and an MBA from the University of Dallas. He is an AAPG Certified Petroleum Geologist and a licensed Professional Geoscientist in the State of Texas.HGS Northsiders Lunch - Black Shale
Tuesday 19-Oct-10 11:30 AM to 1:00 PM CDT
Crowne Plaza Greenspoint
425 North Sam Houston Parkway EastHouston TX 77060 USA
Google Maps | Hotels Near | Yahoo! Maps | Weather Forecast
Phone: (281) 445-9000
Fax: (281) 445-9826
HGS Northsiders Lunch - Black Shale
Tuesday 19-Oct-10 11:30 AM to 1:00 PM CDT
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