Assessing Impact of Shale Gas Adsorption on Free-Gas Permeability via a Pore Network Flow Model

Jingsheng Ma, Gary D. Couples

Unconventional Resources Technology Conference (URTEC)

... is Boltzmann’s constant). In the table, σ and ε are the finite distance at which the inter-particle potential is zero and the depth of the potential...

Impact of Authigenic Surface Roughness on Water Invasion and Flowback in Fractured Media: A Micromodel Study

Ayaz Mehmani, Shaina A. Kelly, Carlos Torres-Verdin, Matthew Balhoff

Unconventional Resources Technology Conference (URTEC)

... on the inlet and allowed to enter the chips. Air was the nonwetting phase in the spontaneous imbibition experiments. For forced imbibition, a constant...

Ethane Flooding as an Alternative to CO2 Injection in Tight Formations: A Bakken Case Study

Barco N. Yolo, Yannick Agbor, Hui Pu

Unconventional Resources Technology Conference (URTEC)

... 𝐷𝑡 = 7 𝑘 𝐵 𝑇𝑗 ̂𝐹 𝜌 (4) where kB is the Boltzmann constant, is the average gas density, and F is the applied external force. LABORATOR...

Shale gas: Opportunities and challenges

Paul Meakin, Hai Huang, Anders Malthe-Sorenssen, Kjetil Thogersen

Environmental Geosciences (DEG)

...://www.undeerc.org/Water/pdf/BakkenWaterOppPhase2.pdf.Ladd, A. J. C., 1994, Numerical simulations of particulate suspensions via a discretized Boltzmann...

The Effect of Capillary Condensation on the Geomechanical and Acoustic Properties of Tight Formations: An Experimental Investigation

Aamer Albannay, Binh Bui, Daisuke Katsuki

Unconventional Resources Technology Conference (URTEC)

... condensation are sensitive to temperature, the experiment is performed at constant temperature. The IUPAC pore size classification (Tab. 2) is used...

Applications of Artificial Intelligence in Log Analysis: Chapter 7

John H. Doveton

AAPG Special Volumes

... to identify segments of constant structural dip. Systematic dip vector patterns with similar azimuth bearing are color-coded using the conventions...

Gas Slippage in Tight Rocks With Sub-irreducible Water Saturation

Jing Li, Pin Jia, Keliu Wu, Xiangzeng Wang, Shiyuan Qu, Juntai Shi, Tianhao Jiang, Yifu Dong

Unconventional Resources Technology Conference (URTEC)

... of liquid film, MPa; Pv is the partial pressure of water vapor, MPa; PV/P0 is the relative humidity of gaseous phase, %; R is the gas constant, J/mol·K...

Pore-Scale Characterization of Oil-Rich Monterey Shale: A Preliminary Study

Shahram Farhadi Nia, Devang Dasani, Theodore Tsotsis, Kristian Jessen

Unconventional Resources Technology Conference (URTEC)

... of the samples. We then proceed to use the Lattice-Boltzmann Method (LBM) (Succi, 2001) to calculate single-phase permeabilities of these samples...

Abstract: Predicting Petrophysical Properties Using 3D Image Data; #90063 (2007)

Search and Discovery.com

Abstract: Geosteering Under Geological Uncertainty; #91213 (2025)

Roman Baishev, Vasily Demyanov, Dan Arnold, Urval Patel, James Mullins, Serkan Kulaksiz

Search and Discovery.com

...-while-drilling (MWD) data by comparing synthetic logs generated for each model in the ensemble with measured data. A Boltzmann transform converts log...

Permeability and Tortuosity Variations in Naturally Fractured Carbonate Reservoir, #41630 (2015).

Adenike Tokan-Lawal, Masa Prodanovic, Peter Eichhubl

Search and Discovery.com

...) and Lattice Boltzmann simulation were used to characterize the capillary dominated properties and the relative permeability of the naturally cemented fractures...

Role of Gravity, Temperature Gradients, and Ion-Exchange Media in Formation of Fossil Brines

P. C. Mangelsdorf, Jr. , F. T. Manheim , J. M. T. M. Gieskes

AAPG Bulletin

..., g the local gravitational acceleration, and D the depth. This formula is essentially the isothermal Boltzmann distribution in a constant force field...

Probing Hydrocarbon Fluid Behavior in Shale Formations

Hongwu Xu, Rex Hjelm, Mei Ding, Qinjun Kang, Rajesh J. Pawar

Unconventional Resources Technology Conference (URTEC)

... small-angle neutron scattering, with pore-scale modeling using lattice Boltzmann method, to examine the fluid behavior and fluid-solid interactions...

Explosive Chinese Growth to Have Huge Impact on Energy … Hungry World

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... warming. He quoted the Stephan Boltzmann Law which says the amount of electromagnetic radiation emitted by a body is directly related to its temperature...

Impact of Capillary Trapping on CSG Recovery: An Overlooked Phenomenon

Yiran Zhu, Zhongwei Chen, Huilin Xing, Victor Rudolph

Australian Petroleum Production & Exploration Association (APPEA) Journal

... linearly at first and then maintained a constant value. In the Base Case, Case 1 and Case 2, the bottom hole pressure decreased to 330 kPa...

Pore-Size Dependence of Fluid Phase Behavior and the Impact on Shale Gas Reserves

B. Rahmani Didar, I.Y., Akkutlu

Unconventional Resources Technology Conference (URTEC)

... gas, scf/ton Langmuir storage capacity, scf/ton total gas storage capacity, scf/ton Boltzmann constant relating temperature to energy, J/K apparent...

Modeling Gas Transport in Shale Reservoir … Conservation Laws Revisited

Wenyue Xu

Unconventional Resources Technology Conference (URTEC)

... molecules defined as  k BT 2 2 p (12) where kB is the Boltzmann constant and  is the diameter of gas molecules. From the physics point of view...

An Experimental Study of the Effect of Capillary Condensation on the Geomechanical Properties of Tight Rocks

Aamer Albannay, Amena Alharthi, Abdulla Al Hashmi, Sherif Elazab, Abdulla Al Blooshi, Hassan Al Marzooqi, Muhammad Baig, Binh Bui

Unconventional Resources Technology Conference (URTEC)

.... 𝑉𝑉 𝑀𝑀 𝑉𝑉𝐴𝐴 𝑃𝑃 𝑅𝑅𝑅𝑅 where R is the universal gas constant and T is temperature. The pore volume Vp is determined from VA below saturation pressure using...

Characterization of Free and Bound Fluids in Hydrocarbon Bearing Shales Using NMR and Py GC-MS

Jameson P. Gips, Hugh Daigle, Mukul Sharma

Unconventional Resources Technology Conference (URTEC)

..., a is the radius of the molecule, k is Boltzmann’s constant, and T is the absolute temperature. This provides a basis that both T 1 and T2 relaxation times...

Impact of Pore Connectivity and Topology on Gas Productivity in Barnett and Haynesville Shale Plays

Davud Davudov, Rouzbeh Ghanbarnezhad Moghanloo, Bin Yuan

Unconventional Resources Technology Conference (URTEC)

... bigger, connectivity between pores gets limited, causing a lower calculated porosity. Moreover, the porosity ratio becomes constant for sample sizes...

Integration of Whole Core, Drill Cuttings, and Well Log Data for Improved Characterization in the Wolfcamp Formation

Joel D Walls, Dan Buller, Anyela Morcote, Michael L. Everts, Bryan Guzman

Unconventional Resources Technology Conference (URTEC)

... using a Lattice-Boltzmann method (Tolke, et al., 2010). Drill cuttings were collected at five foot intervals during coring of the vertical pilot hole...

Measuring Hydrocarbon Gas Properties For Accurate Gas-In-Place Calculations For Unconventional Gas Reservoirs

Ashish Mathur, Safdar Ali, Mansoor Ali, Chad Belanger, Vivek R. Ravi

Unconventional Resources Technology Conference (URTEC)

... the NMR measurements had a signal-to-noise ratio of at least 100. Constant NMR porosity readings over a period of time at reservoir pressure...

Hydrogen sulfide formation, fate, and behavior in anhydrite-sealed carbonate gas reservoirs: A three-dimensional reactive mass transport modeling approach

Yunjiao Fu, Wolfgang van Berk, and Hans-Martin Schulz

AAPG Bulletin

... prerequisite for TSR. An increase in the rate constant of abiotic sulfate reduction (ASR) and in diffusive mass fluxes, as well as lack of precursor...

Modelling the Contribution of Individual Seams to Coal Seam Gas Production

Vanessa Santiago, Ayrton Ribeiro, Suzanne Hurter

Unconventional Resources Technology Conference (URTEC)

... the simulator’s calculations. The base case is homogenous with properties listed in Table 1. For each sensitivity scenario, all properties were kept constant...

A Pore-Scale Mechanistic Investigation of Shale Gas Condensate at Near Saturation Pressure on Fluid Flow in Shale

Shu Pan, Jingsheng Ma, Julian Youxiang Zuo, Nejib Hamed

Unconventional Resources Technology Conference (URTEC)

...., 2016): the particle-based methods such as the lattice Boltzmann method and smoothed particle hydrodynamics, and the pore network modelling (PNM). The PNM...