Introduction: Editorial Philosophy and Summaries of Papers

Sanford S. Kaplan, Edward B. Coalson, C. Wm. Keihin, Chris A. Ogelsby, John W. Robinson

Rocky Mountain Association of Geologists

... illustrates a potentially very useful method (the so-called Winland equation) of using core porosity and permeability data to estimate effective pore-throat...

Porosity Partitioning and Permeability Quantification in Vuggy Carbonates Using Wireline Logs, Permian Basin, West Texas

Chunming Xu, Duffy Russell, Jonas Gournay, Pete Richter

West Texas Geological Society

... with its uniquely characteristic pore system, vug connectivity, and fluid content (i.e., the nature of the geological heterogeneity and its...

Abstract: Pore Type Based Relative Permeability Models: Scaling up from Cores to Reservoirs in Heterogeneous Systems, by N. Etris and R. Ehrlich; #91012 (1992).

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Abstract: Pore Characterization Utilizing CCSEM Image Analysis in Diagenetically Overprinted Carbonates, by Robert M. Rogers and Tore Wiksveen; #90182 (2013)

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Pore Characterization of Bakken Shales (Mississippian-Devonian) in the Williston Basin

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ABSTRACT An Evaluation of Existing Carbonate Pore System Classifications and Rock-Typing Approaches , #90104 (2010)

Johnson Kay; Wright Paul; Barnett Andrew

Search and Discovery.com

... problems when calculating  interparticle porosity. Lonoy’s (2006) classification scheme is based on dominant pore type and size, therefore...

Abstract: Integrated Characterization of the Top Shuaiba Formation Reservoir Quality in Northern Oman Oil Fields; #90254 (2016)

Aisha Al-Hajri, Cathy Hollis

Search and Discovery.com

... depositional and diagenetic processes control pore geometries and hence reservoir complexity. Although pore shape and size can significantly affect...

Abstract: Confocal Microscopy — A New Way to Model Carbonate Porosity in 3D, by Neil F. Hurley, Tuanfeng Zhang, Weishu Zhao, and Guangping Xu; #90105 (2010)

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An Integrated Outcrop and Subsurface Facies Analysis of the Albian-Cenomanian Nanushuk Formation near Umiat, National Petroleum Reserve, Alaska, #50374 (2011)

Grant Shimer, Jeremy Davis, Paul J. McCarthy, Catherine L. Hanks,

Search and Discovery.com

...) for 2 or more years • presence of permafrost • up to 1055 ft deep in the Umiat area - depth affects temperature - ice in pore space Umiat...

A Field Trip Guide to The Guadalupe Mountains

P. M. Harris

Search and Discovery.com

... and intercrystalline/intergranular porosity. Their bimodal pore system results in a wider range of pore throat size and more ineffective porosity...

Diagenetic and Petrophysical Variations of the Dakota Sandstone, Henry Field, Green River Basin, Wyoming

Margaret M. Muller, Edward B. Coalson

Rocky Mountain Association of Geologists

... and pore size. The pore geometry categories are: intergranular, intercrystalline (rocks composed of angular particles, e.g., euhedral quartz overgrowths...

Porosity Evolution in the Albert Formation of the Stoney Creek Oil and Gas Field, Moncton Subbasin, New Brunswick, Canada (1)

ALI H. CHOWDHURY and JAMES P. A. NOBLE

AAPG Bulletin

... that they are not permeability controlling factors. It is more probable that distribution of pore throat constrictions of much of the secondary pore spaces and to a lesser extent...

Effects of paleoenvironment on continental shale oil enrichment and producibility in the Biyang depression

Jijun Li, Zhao Liu, Xinwen Zhang, Guoqui Feng, Jiewen Liu, Yan Ma, Shuangfang Lu, Wenhao Li, and Nengwu Zhou

AAPG Bulletin

... at 150°C in a vacuum drying oven. The maximum operating pressure was 60,000 psi, which represents a pore throat size of approximately 3 nm. Porosity...

Subsurface Deepwater Challenges in Brunei

Patrick Allman-Ward

Southeast Asia Petroleum Exploration Society (SEAPEX)

... its knowledge of this frontier province and the size of the developable reserves base. A number of key subsurface challenges will have...

Gas Permeability Evolution During Production in the Marcellus and Eagle Ford Shales: Coupling Diffusion/Slip-flow, Geomechanics, and Adsorption/Desorption

Bao Jia, Dandan Li, Jyun-Syung Tsau, Reza Barati

Unconventional Resources Technology Conference (URTEC)

... is caused by the multi-physics occurred in the pore with small size, and the term “gas apparent permeability” is frequently used to include the multi...

Diagenesis of an evaporite-related carbonate reservoir in deeply buried Cambrian strata, Tarim Basin, northwest China

Lei Jiang, Richard H. Worden, Chun Fang Cai, Anjiang Shen, and Stephen F. Crowley

AAPG Bulletin

... in fractures and vuggy pore spaces. Pyrite Rare pyrite occurs as cubic crystals up to a millimeter in size and as framboidal aggregates composed...

Analysis and modeling of intermediate-scale reservoir heterogeneity based on a fluvial point-bar outcrop analog, Williams Fork Formation, Piceance Basin, Colorado

Matthew J. Pranter, Amanda I. Ellison, Rex D. Cole, Penny E. Patterson

AAPG Bulletin

..., the petrophysical variability among just the grain-size models is similar, and as expected, the resulting BTT, pore volume swept at BTT, and sweep...

Compaction of Sand and Clay - Constraints from Experimental Compaction, Chemical Reactions and Fluid Flow During Burial - an Overview; #51449 (2017)

Knut Bjørlykke, Line Hedvig Line, Jens Jahren, Nazmul Haque Mondol, Per Aagaard, Helge Hellevang

Search and Discovery.com

.... The mineralogy and grains size distribution is a function of the provenance, transport and the depositional environment. Biogenic components, mainly carbonate...

Effects of Diagenesis on Reservoir Properties and Log Response, Upper Jurassic Taylor Sandstone, Cotton Valley Group, Lincoln Parish, Louisiana

Michael Trojan

GCAGS Transactions

... grain size of these nonporous sands influenced the rate of chemical reactions between migrating pore fluids and carbonate cement by decreasing the rate...

The Reservoir Potential of Globigerinid Sands in Indonesia

David M. Schiller, Bernhard W. Seubert, Sabardi Musliki, Mardhan Abdullah

Indonesian Petroleum Association

... analyses illustrate that this is the result of a reduction in the average pore throat size caused by greater amounts of micrite matrix (Figure 4d, 4f...

Impact of Completions Fluids Chemistry on Hydrocarbon Effective Permeability of Organic Shales

Safdar Ali, Colton Barnes, Ashish Mathur, Brian Chin, Chad Belanger

Unconventional Resources Technology Conference (URTEC)

... pore system in the shale matrix. The small pore throat size and the high capillary pressure of the water molecules causes the thin oil films along...

Petroleum Geoscience of the Surprise Oil field in the Western Amadeus Basin: Implications for Regional Exploration

J. P. Heugh, H. Askin, W. Dunmore, G. J. Ambrose, T. Shortt, D. Hallgren, B. O. Alamiyo, J. Sayers, C. Boreham

Petroleum Exploration Society of Australia (PESA)

... finegrained to occasionally medium-grained with abundant feldspar. Feldspar and quartz overgrowths restrict poor throat connectivity and permeability...

Capacitance Resistance Modelling (CRM) and Production Attribute Mapping (PAM) Integration Work Flow for Water Flood Performance Evaluation in Bravo Field

Nugroho Jati, Morteza Sayarpour

Indonesian Petroleum Association

... and performing waterflood optimization in Bravo field. CRM and PAM integration can quantify connectivity between injector and producer, determine sealing...

Experimental and Empirical Observations Supporting a Capillary Model Involving Gas Generation, Migration, and Seal Leakage for the Origin and Occurrence of Regional Gasifers

Stephen W. Burnie Sr., Brij Maini, Bruce R. Palmer, Kaush Rakhit

AAPG Special Volumes

... at the base of the gas columns, depending on the pore-throat size of the reservoir, the extent of capillary bypassing, and the amount of gas migration...

Completion Fluid Design for Improving Oil Recovery in Shale Reservoirs

Geoffrey Thyne, Cole Slupski

Unconventional Resources Technology Conference (URTEC)

... permeability. In shale the intrinsic permeability is very low, often in the nano- to micro-darcy range due to small grain size and even smaller pore throats...