Luncheon and Learn
Tuesday, October 29, 2019
11:30 AM - 1:00 PM
"Elevating geomechanical understanding in hybrid reservoirs"
Dave Cannon, Diamondback Energy, Senior Vice President of Geoscience and Technology
Midland College, Scharbauer Student Center, Carrasco Room
(3600 N Garfield, See Map)
The Cost Is $30 Members, $35 Non-Members
No RSVP Necessary
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PermianBasin at spwla.org
The Permian Basin has seen explosive production growth from a portfolio of reservoirs exploited through modern horizontal extraction techniques. Most of industry and those peering inside call the Wolfcampian and Leonardian reservoirs unconventional, but they are better described as hybrid reservoirs. Hybrid reservoirs usually are a stacked succession of organically rich, siliceous mudstones and siliceous or carbonaceous detrital rocks with fair to poor reservoir quality. In addition to the vertical heterogeneity, laterally reservoir properties can change and structural fabric is present in varying degrees. The present-day fabric of these reservoirs is complex and likely defines the variability we see in production results. To assess this variability, especially in geomechanical properties, we must utilize more robust measurement techniques to properly characterize the subsurface.
This work will demonstrate how Diamondback has assessed this heterogeneity through a robust geomechanical sampling and measurement protocol. It involves upscaling the facies analysis to geomechanically significant facies. Additionally, a present-day stress field orienting effort involving high definition CT scanning and high quality, wellbore-based imaging was done. Combining these initial efforts, it contextualized the next effort which included multiple oriented samples to assess geomechanical properties in multiple confining environments. Static/dynamic, load frame tests at reservoir temperature were conducted along with a tensile strength testing. Finally, bulk compressibility, Biot coefficient, fracture toughness, and fracture conductivity testing of a rough-walled shear fracture were conducted to round out the suite of geomechanical testing. Mineralogy and petrophysical values were also ascertained on sample husks to determine textural effects on geomechanical properties. The results of all this testing a better overall understanding of the subsurface condition that we interact with and provide better contextual information for stimulation modeling.
Mr. Cannon is Senior Vice President, Geoscience and Technology at Diamondback Energy in Midland, TX and has been in the petroleum industry since 2007. Prior to his current tenure at Diamondback Energy, David has held positions at ConocoPhillips, Samson Resources, and Newfield Exploration. He has experience in most active unconventional basins throughout the L48 and North America. Plays that he has worked on include the Cretaceous unconventional targets within the intermontane basins of the Rockies, the Bakken, the Marcellus, the SCOOP/STACK trend, the “Eaglebine” in ETX, and the entire stratigraphic column in the Permian Basin. He is an active member in AAPG, GSA, SEG, AGU, SPE, and ARMA. His passion and formal education centers around structural geology and geomechanics, particularly fracture mechanics. He graduated from Penn State University in 2008 with a MS degree in Geoscience with a focus on Structural Geology.
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PermianBasin at spwla.org