Technical Breakfast

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Details for "Technical Breakfast"

Reservoir-Prone Mass Transport and Slump Deposits

Mass-transport deposits are common in the deepwater stratigraphic record, but are rarely considered to contain reservoir-quality sands. However, several recent publications have documented sand-prone mass flows and slumps, including reservoirs in prolific oil and gas fields, as well as shallow drilling hazards. These observations suggest that such remobilized sands are more common than previously suspected, and may be a more significant component of deepwater hydrocarbon systems than has been generally acknowledged.

Given that such ‘degradational' reservoirs are not uncommon in nature, identifying and characterizing them accurately is critical, but can be controversial. For instance, understanding whether a reservoir is in a mass-transport deposit or a turbidite system can have dramatic implications in terms of understanding reservoir potential and spatial distribution, and in terms of generating models with representative rock properties away from control points. These implications become increasingly important given ever-increasing costs associated with the development of deepwater fields. Moreover, this underappreciated play type provides potential green- and brownfield exploration potential in many continental slope trends.

This presentation will use examples from producing fields, the seafloor and shallow subsurface, outcrop, and flume tank experiments to illustrate specific criteria that aid in the recognition of sand-prone mass-transport deposits in the subsurface. None of these criteria is probably sufficient by itself to distinguish between a mass-transport deposit and a turbidite system; however, in aggregate, these criteria are sufficiently diagnostic to identify mass-transport deposits that are likely to be reservoir-prone.

Speaker Dr. Trey Meckel

Dr. Lawrence D. Meckel, III (Trey) is the Chief Geologist of Woodside Energy USA. Previously, he was the Coordinator of Reservoir Modelling and Geoscience Technology at Woodside Energy Ltd. in Perth, Australia. He specializes in integrated depositional systems analysis, sequence stratigraphy, and risk assessment.

With Woodside, and previously with Shell International E&P, Trey has been involved in research, exploration, development, and production projects in the Gulf of Mexico, West Africa, Australia, New Zealand, Malaysia, West of Shetlands, and South America, as well as onshore developments on the Texas Gulf Coast and the Anadarko Basin.

Trey received a PhD in earth sciences from the Swiss Federal Institute of Technology (ETH-Zürich), an MA in Geology from The University of Texas at Austin, and a BA with honors in Geology from Williams College in Massachusetts.

Among his numerous papers and presentations, he won the New Orleans Geological Society’s 2002-2003 Best Paper Award. Next year, Trey is convening an AAPG Hedberg Research Conference on deepwater foldbelts.

Wednesday 10-Dec-08 7:00 AM to 8:30 AM CST

Speaker: Dr. Trey MeckelWoodside Energy (USA) Inc

Details for "Technical Breakfast"

Speaker Dr. Trey Meckel

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