Introduction
Petrophysics Knowledge Sharing, Integration, Application, and Impact
Posted by
Dr. Stephanie Perry on Nov 17, 2020 9:59:33 AM
Introduction and Value Proposition Petrophysicists are often referred to as the link, or bridge, between the geosciences and engineering. A petrophysicist’s primary role is to derive/interpret formation rock and fluid properties from the open hole, c...
Applied GRI+ Workflow - Rock and Fluid Assessment and Integrative Impact
Posted by
Stephanie Perry | J. Alex Zumberge | Kai Cheng on Oct 20, 2020 8:30:00 AM
Applying Statistics to Understanding Petroleum Systems
Posted by
Craig D. Barrie, Catherine M. Donohue, J. Alex Zumberge, John E. Zumberge on Sep 9, 2020 12:28:13 PM
Introduction There has been a significant increase in interest across the oil & gas industry in ‘Machine Learning’ and ‘Big Data’ over the last several years. The idea being that large datasets can be used to maximize production from resource plays w...
Mud Gas Isotope Analyses: Low Cost & High Impact
Posted by
GeoMark Technical Team on Jun 10, 2020 5:13:16 PM
In the current oil and gas environment seeking subsurface understanding and constraint can be limited due to capital pullback. The most important thing to remember is that there are a number of scientific tools that can constrain uncertainty and help...
Application of Triple Quad GC-MS/MS (QQQ) to Enhance Understanding of Petroleum Systems
Posted by
Craig D. Barrie; Catherine M. Donohue; J. Alex Zumberge; Don Rocher on Jun 10, 2020 10:30:31 AM
Introduction For decades, the bulk of geochemical characterization and source discrimination of produced oils has relied upon analysis of traditional biomarkers via Gas Chromatography (GC) and Gas Chromatography - Mass Spectrometry (GC-MS). There is...
Linking Geological to Petrophysical Attributes: To Lump or Not to Lump
Posted by
Dr. Stephanie Perry on Apr 28, 2020 1:27:34 PM
The Delaware Basin of the greater Permian system in West Texas is a complex setting with varying stratigraphic patterns. The key to the Delaware Basin is understanding deep resistivity and sonic log responses, as it presents a simple way to different...
Extracting Hydrocarbons from Core - Methods to Maximize Sample Integrity
Posted by
GeoMark Technical Team on Mar 27, 2020 12:12:30 PM
Introduction In this Science Bulletin, we investigate light-end hydrocarbon (LHC) preservation in core samples using various solvent extraction techniques. Traditional solvent extraction methods are overly exhaustive and destructive towards LHCs maki...
Production Allocation in Reservoir Geochemistry - Understanding Heterogeneity
Posted by
GeoMark Technical Team on Mar 27, 2020 12:10:05 PM
Introduction Recent geochemical studies of unconventional fields have focused on production allocation; a method already perfected in conventional systems with homogeneous ‘end-members’ for production compartments. Using these ‘end-members’ (geochemi...