25 Aug The Problem RTAPK Solves
For decades, core analysis has been a critical tool for understanding reservoir properties. But when it comes to unconventional, low-permeability reservoirs, standard laboratory tests often fall short....
Author: Emile Stretcher
15 Aug What is RTAPK? A New Standard in Core Analysis With CoreSpec
When it comes to understanding the reservoir, accurate measurements of porosity and permeability are critical. Traditional laboratory methods, while valuable, often fall short when it comes to replicating the true conditions a reservoir experiences in the field. They can be time-consuming, and their boundary conditions...
04 Aug CoreSpec will be consulting with Dr. Christopher Clarkson on RTAPK Service Development
CoreSpec is pleased to announce that Dr. Christopher R. Clarkson, a renowned expert in unconventional reservoir engineering, through his company TecTOC Energy Ltd., has agreed to serve as a consulting advisor to support the strategic development and rollout of RTAPK (Rate- Transient Analysis, Porosity, and...
01 Oct Total porosity measurement in gas shales by the water immersion porosimetry (WIP) method
Over the past decade interest in shale properties has increased due to the commercial success of gas shale plays. Despite their commercial importance, porosity measurement from gas shale samples is still challenging due to their extremely low permeability and complex pore structure. This leads to...
24 Sep Sample Size Effects on the Application of Mercury Injection Capillary Pressure for Determining the Storage Capacity of Tight Gas and Oil Shales
We measured Mercury Injection Capillary Pressure (MICP) profiles on tight shale samples with a variety of sample sizes. The goal was to optimize the rock preparation and data reduction workflow for determining the storage properties of the rock, particularly porosity, from MICP measurements. The rock material...
19 Sep Mercury Porosimetry Protocol For Rapid Determination Of Petrophysical And Reservoir Quality Properties
Dean-Stark water saturation data can provide an indication of the appropriate Archie parameters to use in early log analysis prior to obtaining centrifuge or porous plate primary drainage capillary pressure and electrical property data. But this is only true if the core water saturation is...
10 Sep The Charge Of Component Layers Of Illite-Smectite In Bentonites And The Nature Of End-Member Illite
The nature of component layers of mixed-layer illite-smectite and their possible evolution in the course of illitization have been debated since the 1960s. The present study is a new attempt to solve these problems, using samples collected from diverse geological formations around the world. ...
04 Sep Measuring The Layer Charge Of Dioctahedral Smectite By O-D Vibrational Spectroscopy
Layer charge (LC) is a fundamental property of smectite but its measurement remains challenging and tedious to apply on a high-throughput basis. The present study demonstrates that the position of a sharp, high-energy O-D stretching band of adsorbed D2O (vO-D, at ~2686-2700 cm-1 ), determined...
29 Aug Cation exchange capacity and water content of opal in sedimentary basins: Example from the Monterey Formation, California
Surface characteristics of sedimentary opal-A and -CT were investigated for a large collection of samples from the Monterey Formation, California, based on the bulk rock mineral and chemical analysis, cation exchange capacity (CEC), and water content. Two approaches were used: (1) modeling bulk CEC and...
20 Aug Reactivation of cation exchange properties in black shales
Cation exchange capacity (CEC) is among most important properties of sedimentary rocks, broadly applied in various means of geosciences research and industry. The organic matter (OM) in ancient black shales is thought to be a negligible source of cation exchange capacity (CEC), due to the...
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