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J Pet Technol 74 (08): 80–82.
Paper Number: SPE-0822-0080-JPT
Published: 01 August 2022
... paper, the authors implement a multiscale diffusion model to estimate gas-diffusion coefficient in organic matter. Background Pores in shale-gas resources, which are on the order of a few to tens of nanometers in diameter, are much smaller than pores in conventional resources. At such small pore size...
J Pet Technol 73 (09): 37–38.
Paper Number: SPE-0921-0037-JPT
Published: 01 September 2021
... 2 upstream oil & gas pore eff enhanced recovery relative permeability shift imbibition test tight rock hydrophilic pore permeability surfactant solution flow-rate change plug plug 1 pressure difference oil permeability measurement stable pressure difference Work With Chemical...
J Pet Technol 72 (10): 63–64.
Paper Number: SPE-1020-0063-JPT
Published: 01 October 2020
... resolution resolution effect reservoir characterization image recognition enhance rock classification complete paper image-processing algorithm µct image algorithm artificial intelligence pore porosity image recognition mri image carbonate rock validation 1 10 2020 1 10 2020 1...
J Pet Technol 70 (09): 88–89.
Paper Number: SPE-0918-0088-JPT
Published: 01 September 2018
... ordered and resemble liquid more than gas. These nanopores feed the macroscopic flow paths in ways that are not captured well by generally accepted equations. Introduction For gas pressures below 1 bar, gas permeability can exceed that of liquid substantially. Size distribution of a single pore...
J Pet Technol 69 (10): 85–86.
Paper Number: SPE-1017-0085-JPT
Published: 01 October 2017
...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 185076, “Imbibition Oil Recovery From Tight Rocks With Dual-Wettability Pore Networks: A Montney Case Study,” by Ali Javaheri and Hassan Dehghanpour, SPE, University of Alberta...
J Pet Technol 69 (09): 64–66.
Paper Number: SPE-0917-0064-JPT
Published: 01 September 2017
... for the 2016 SPE Annual Technical Conference and Exhibition, Dubai, 26–28 September. The paper has not been peer reviewed. The authors present the results of a detailed experimental study in which underlying pore-level-displacement physics of two- and three-phase flow in a fractured rock sample is investigated...
J Pet Technol 68 (12): 28–33.
Paper Number: SPE-1216-0028-JPT
Published: 01 December 2016
... the oil price bust has slashed the cost of services and supplies. Even so, production from unconventional wells leaves 90% of the oil in the ground, raising the question, what is next? Some have taken on the daunting task of trying to understand how oil and gas flows out of the tiny pores in ultratight...
J Pet Technol 67 (12): 74–75.
Paper Number: SPE-1215-0074-JPT
Published: 01 December 2015
... between fluids and rocks are observed and, consequently, some areas of the reservoir indicate strongly water-wet behavior whereas some other areas indicate strongly oil-wet behavior. This heterogeneous wettability behavior is known as fractional wettability. In some cases, the smaller pores are occupied...
J Pet Technol 67 (07): 115–116.
Paper Number: SPE-0715-0115-JPT
Published: 01 July 2015
...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper IPTC 18125, “The Impact of Rock Pore Structure on CO2 Relative Permeability,” by Adel Traki and Mehran Sohrabi, SPE, Heriot-Watt University, prepared for the 2014 International Petroleum...
J Pet Technol 66 (08): 56–63.
Paper Number: SPE-0814-0056-JPT
Published: 01 August 2014
...Stephen Rassenfoss Rock Scans Whiting Petroleum has made an extraordinary commitment to rock testing. In its office tower in downtown Denver, its digital rock imaging laboratory analyzes about 6,000 ft of core samples each year, examining details down to pores only a few nanometers across. When...
J Pet Technol 66 (07): 94–97.
Paper Number: SPE-0714-0094-JPT
Published: 01 July 2014
... organic and inorganic pores, each system having its own scales and associated physical properties. At least two clearly identified mechanisms are likely to cause composition changes over time: In tiny pores, where specific surfaces are huge with respect to volumes, gas exists in both free and condensed...
J Pet Technol 64 (11): 87–90.
Paper Number: SPE-1112-0087-JPT
Published: 01 November 2012
... permeability by physically plugging the nanometer-sized pores. Nanoparticle technology and testing protocols were developed using the Marcellus and the Mancos as shale candidates. Nanoparticles in this study are specifically designed to plug the nanometer-sized shale pores physically, thereby reducing pressure...
J Pet Technol 64 (11): 100–103.
Paper Number: SPE-1112-0100-JPT
Published: 01 November 2012
... porous formation. In practice, however, the size of pore openings in shales that may cause fluid loss varies in the range of 10 nm–0.1 m, where nanoparticles as LCM could fulfill the specific requirements by virtue of their size domain, hydrodynamic properties, and interaction potential...
J Pet Technol 63 (07): 114–117.
Paper Number: SPE-0711-0114-JPT
Published: 01 July 2011
... was developed that allows interpreting pressure/volume data in terms of measurements in total porosity and Langmuir parameters of core plugs. The method considers pore-volume compressibility and sorption effects and allows small gas-leakage adjustments at high pressures. Organic shale has the ability to store...
J Pet Technol 62 (03): 65–66.
Paper Number: SPE-0310-0065-JPT
Published: 01 March 2010
... For a limited time, the full-length paper is available free to SPE members at www.spe.org/jpt. JPT MARCH 2010 65 Fig. 1 SEM example of dolomite from First Eocene showing various types of pores. Lithology: dolomite with trace calcite Crystal size: 25.00 (µm) Porosity: 45.4% Permeability: 975 md Grain density...
J Pet Technol 62 (03): 73–74.
Paper Number: SPE-0310-0073-JPT
Published: 01 March 2010
... because the pore systems are more complex in carbonates than in clastics. In addition to pore types and shapes, other factors that need to be included in a physics-based rock model include lithology, grain shapes, multiphase-fluid and wetting effects, rock/fluid interactions (poroelasticity), stress...
J Pet Technol 56 (05): 71–72.
Paper Number: SPE-0504-0071-JPT
Published: 01 May 2004
... water injection oil injection efficiency wettability upstream oil & gas pressure gradient smm pore injection porosity saturation gmm micromodel oil recovery water phase enhanced recovery fluid dynamics injection pressure flow in porous media formation evaluation pore structure...
J Pet Technol 56 (05): 66–68.
Paper Number: SPE-0504-0066-JPT
Published: 01 May 2004
... Lumpur, 29-30 March. 1 5 2004 1 5 2004 1 5 2004 1 5 2004 2004. Society of Petroleum Engineers correlation information laboratory microstructure core analysis pore porosity digital core laboratory capillary pressure permeability pore space calculation artificial...
J Pet Technol 53 (12): 39.
Paper Number: SPE-1201-0039-JPT
Published: 01 December 2001
... and Exhibition, New Orleans, 30 September-3 October. 1 12 2001 1 12 2001 1 12 2001 1 12 2001 2001. Society of Petroleum Engineers adsorbed layer placement selectivity parameter polymer retention mechanism oil permeability retention pore pathway optimal dpr system flow...
J Pet Technol 50 (11): 58–59.
Paper Number: SPE-1198-0058-JPT
Published: 01 November 1998
... core drilling fluid chemistry drilling fluid property Fluid Dynamics formation-damage control drilling fluid selection and formulation drilling fluids and materials Brine pore nitrogen high-and low-permeability core permeability MEG fluid filtrate retention hydroxyl group methylglucoside...
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