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The AAPG/Datapages Combined Publications Database
Showing 5,237 Results. Searched 195,364 documents.
Understanding Porosity and Permeability using High-Pressure MICP Data: Insights into Hydrocarbon Recovery
John S. Sneider and George W. Bolger
Search and Discovery.com
... • Capillary Tube Model • Simplifying Pore Structure • Defining Pay using Pc • Summary & Conclusions Pore Aperture Size Distribution • Create from...
Unknown
Capillary Pressure: Part 5. Laboratory Methods
Charles L. Vavra, John G. Kaldi, Robert M. Sneider
AAPG Special Volumes
... (Figure 2). Capillary pressure (Pc) is defined as the difference in pressure across the meniscus in the capillary tube. Put another way, capillary pressure...
1992
A Practical Method to Predict Deliverability and Water-Cut in the Granite Wash Formation, Anadarko Basin, USA, Using Pseudo-Capillary Pressure Curves From NMR Data
Chrystianto Mardi, Rohollah, A Pour, David Spain, Chris Morton
Unconventional Resources Technology Conference (URTEC)
... and pore throat size from HPMICP data, we generate pseudo-capillary pressure curves as a function of depth and calculate pseudo-PC based relative...
2014
Integrated Petrophysical Methods for the Analysis of Reservoir Microarchitecture—a Kansas Chester Sandstone Case Study
John H. Doveton
Kansas Geological Society
.... 191-198. Raymer, L. L., and Freeman, P. M., 1984, In situ determination of capillary pressure, pore throat size and distribution, and permeability from...
1999
AAPG Memoir 67: Seals, Traps, and the Petroleum System. Chapter 1: Comparison of Seal Capacity Determinations: Conventional Cores vs. Cuttings
Robert M. Sneider, John S. Sneider, George W. Bolger, and John W. Neasham
AAPG Special Volumes
... is a function of its capillary pressure curve (i.e., pore throat size distribution) and the density of the hydrocarbons and pore water. For other oil, gas...
1997
Estimation of Recovery Efficiency by Visual Observation of Pore Systems in Reservoir Rocks: DISCUSSION
Kinji Magara
CSPG Bulletin
...------------------------ tension decreases as both pore and throat sizes increase. In other words, the capillary pressure decreases as the pore...
1979
Petrophysical characteristics and facies of carbonate reservoirs: The Red River Formation (Ordovician), Williston basin
Lillian Hess Tanguay, Gerald M. Friedman
AAPG Bulletin
... M. Friedman 2001 491 523 85 3 Similarly shaped capillary-pressure curves, classified according to pore-throat size sorting, the maximum threshold...
2001
Abstract: A New Method of Evaluating Tight Gas Sands Pore Structure from Nuclear Magnetic Resonance (NMR) Logs; #90285 (2016)
Liang Xiao, Xiu-Hong Xie
Search and Discovery.com
... this model, formation pseudo Pc curves can be consecutively synthesized. The pore throat size distribution, and pore structure evaluation parameters...
2017
Abstract: Carbonate Rock Characterization and Modelling for Improved Properties Predictability: Capillary Pressure and Permeability in Multimodal Rocks, by Iulian Hulea and Chris Nicholls; #90124 (2011)
Search and Discovery.com
2011
Minimum Miscibility Pressure Calculation for Oil Shale and Tight Reservoirs With Large Gas-Oil Capillary Pressure
Kaiyi Zhang, Bahareh Nojabaei, Kaveh Ahmadi, Russell T. Johns
Unconventional Resources Technology Conference (URTEC)
... capillary pressure for a constant pore throat size in the flash calculation of both slim tube simulation and method of characteristics...
2018
Incorporating capillary pressure, pore throat aperture radii, height above free-water table, and Winland r35 values on Pickett plots
Roberto Aguilera
AAPG Bulletin
...Incorporating capillary pressure, pore throat aperture radii, height above free-water table, and Winland r35 values on Pickett plots Roberto Aguilera...
2002
Carbonate rock characterization and modeling: Capillary pressure and permeability in multimodal rocksA look beyond sample specific heterogeneity
Iulian N. Hulea, Chris A. Nicholls
AAPG Bulletin
... at the bottom), (B) porosity-permeability crossplot (upper left), (C) capillary pressure (Pc) data (upper center) and, (D) pore-throat size (Rp) distributions...
2012
Determining the Accumulation Limits of the Physical Properties of Tight Sandstone Reservoirs in Eastern Ordos Basin, #51030 (2014).
Qing Cao, Jingzhou Zhao, Xinshe Liu, Aiping Hu, Liyong Fan, Huaichang Wang
Search and Discovery.com
... of hydrodynamic force and abnormal high pressure, when capillary force is equal to buoyancy, the corresponding critical pore-throat radius value can...
2014
Estimation of Recovery Efficiency by Visual Observation of Pore Systems in Reservoir Rocks: REPLY
N. C. Wardlaw, J. P. Cassan
CSPG Bulletin
... in pore radius, this means that the capillary pressure gradient between pore body and throat ( Pc) will decrease with increase in absolute size. From...
1979
Poroelastic-Textural Characterization Through Multi-Step Hysteretic Mercury Intrusion Measurements
James Greene, Laurent Louis, Greg Boitnott, Coralee Cox, Matthew McAllen
Unconventional Resources Technology Conference (URTEC)
... ∇𝑃𝑐 = 2𝛾 ( − ) 𝑟𝑡 𝑟𝑝 Equation 4: Where ∇Pc is the capillary pressure gradient (psi), γ is the interfacial tension (dynes/cm 2), rt is pore throat...
2022
On the Relationship Between the Pore-throat Morphology Index ("a") and Fractal Dimension (Df) of Pore Networks in Carbonate Rocks: DISCUSSION
Eric P. Verrecchia
Journal of Sedimentary Research (SEPM)
... meniscus and Pc the capillary pressure (difference between one side and the other of the meniscus). If the capillary is small enough, we can consider R1...
1995
Laboratory Measurement of Mudrock on Porosity, Pore and Pore Throat Size Distribution, and Permeability: Learnings from Comparison of Techniques, #42118 (2017).
Sheng Peng, Tongwei Zhang, Lucy T. Ko, Robert G. Loucks, Stephen C. Ruppel
Search and Discovery.com
... capillary pressure (MICP) • Nitrogen adsorption and MICP were also used for measurement of pore and pore throat size distribution, respectively...
2017
Subtle Seals and Fluid-flow Barriers in Carbonate Rocks
Edward B. Coalson, Steven M. Goolsby, Mark H. Franklin
Rocky Mountain Association of Geologists
... Handbook, 1990 r 35= 5.395 00.824 Eq. 2 where r35 = pore-throat size (microns) at 35% non-wetting phase saturation from capillary-pressure tests; Ka = air...
1994
Application of Nuclear Magnetic Resonance (NMR) Logs in Tight Gas Sandstone Reservoir Pore Structure Evaluation
Liang Xiao, Zhi-qiang Mao, Xiu-hong Xie
Petroleum Exploration Society of Australia (PESA)
..., we can conclude that the NMR T2 spectrum can be transformed as pseudo capillary pressure curves, and thus rock pore throat radius size once...
2016
Abstract: Facies-Based Rock Typing in Complex Carbonates; #90318 (2018)
Moustafa Dernaika
Search and Discovery.com
... trend. Rock types were defined along the porosity-permeability trends, and showed strong link to the capillary pressure (Pc) and pore-throat size...
2018
Abstract: Characteristics of Carbonate Rock Types in Different Reservoirs in the Middle East; #90319 (2018)
Moustafa R. Dernaika, Bashar Mansour, Osama AlJallad
Search and Discovery.com
... trend. Rock types were defined on the texture-based poroperm trends, and showed strong link to the capillary pressure (Pc) and pore-throat size...
2018
Abnormal Pressures and Water Saturations in Tight Gas Scenarios, #42001 (2017).
Marcelo Crotti
Search and Discovery.com
... • Conclusions First Definition • Pc = pnw – pw [1] p p – Where • Pc = Capillary pressure • pnw = Non-wetting phase pressure • pw = Wetting phase...
2017
Application of Mercury Injection Capillary Pressure to Mudrocks: Conformance and Compression Corrections, #42311 (2018).
Sheng Peng, Tongwei Zhang, Robert G. Loucks,
Search and Discovery.com
... characterization; • MICP can provide not only pore volume and porosity, but also pore throat size volumetric distribution and capillary pressure vs...
2018
Abstract: Relationship Between Pore Geometry and Pore-Throat Geometry as a Means to Predict Reservoir Performance in Secondary Recovery Programs for Carbonate Reservoirs, by Christina M. Dicus; #90078 (2008)
Search and Discovery.com
2008
Classification of Sandstone Pore Structure and Its Effect on Water-Flooding Efficiency: Chapter 15
Shen Pingping, Li Bingzhi, Tue Puhua
AAPG Special Volumes
.... The distribution of capillary pressure Pc (or the distribution of throat size) reveals the distribution of resistance of flow during water flooding...
1989