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Title: A Critical Review of the Physicochemical Impacts of Water Chemistry on Shale in Hydraulic Fracturing Systems

Abstract

Hydraulic fracturing of unconventional hydrocarbon resources involves the sequential injection of a high-pressure, particle-laden fluid with varying pH's to make commercial production viable in low permeability rocks. This process both requires and produces extraordinary volumes of water. The water used for hydraulic fracturing is typically fresh, whereas 'flowback' water is typically saline with a variety of additives which complicate safe disposal. As production operations continue to expand, there is an increasing interest in treating and reusing this high-salinity produced water for further fracturing. Here we review the relevant transport and geochemical properties of shales, and critically analyze the impact of water chemistry (including produced water) on these properties. We discuss five major geo-chemical mechanisms that are prominently involved in the temporal and spatial evolution of fractures during the stimulation and production phase: shale softening, mineral dissolution, mineral precipitation, fines migration, and wettability alteration. A higher salinity fluid creates both benefits and complications in controlling these mechanisms. For example, higher salinity fluid inhibits clay dispersion, but simultaneously requires more additives to achieve appropriate viscosity for proppant emplacement. In total this review hiighlights the nuances of enhanced hydrogeochemical shale stimulation in relation to the choice of fracturing fluid chemistry.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [1]
  1. Univ. of Illinois at Urbana-Champaign, IL (United States)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States). Stanford Synchrotron Radiation Lightsource (SSRL)
  3. Department of Energy Resource Engineering, Stanford University, Stanford, California 94305, United States
Publication Date:
Research Org.:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Stanford Univ., CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
OSTI Identifier:
1777482
Alternate Identifier(s):
OSTI ID: 1778947; OSTI ID: 1843396
Grant/Contract Number:  
AC02-76SF00515; SC0019165
Resource Type:
Accepted Manuscript
Journal Name:
Environmental Science and Technology
Additional Journal Information:
Journal Volume: 55; Journal Issue: 3; Journal ID: ISSN 0013-936X
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; Deformation; Fluids; Shale; Clay; Minerals; geochemistry, hydrofracturing, shales

Citation Formats

Khan, Hasan Javed, Spielman-Sun, Eleanor, Jew, Adam D., Bargar, John, Kovscek, Anthony, and Druhan, Jennifer L. A Critical Review of the Physicochemical Impacts of Water Chemistry on Shale in Hydraulic Fracturing Systems. United States: N. p., 2021. Web. doi:10.1021/acs.est.0c04901.
Khan, Hasan Javed, Spielman-Sun, Eleanor, Jew, Adam D., Bargar, John, Kovscek, Anthony, & Druhan, Jennifer L. A Critical Review of the Physicochemical Impacts of Water Chemistry on Shale in Hydraulic Fracturing Systems. United States. https://doi.org/10.1021/acs.est.0c04901
Khan, Hasan Javed, Spielman-Sun, Eleanor, Jew, Adam D., Bargar, John, Kovscek, Anthony, and Druhan, Jennifer L. Mon . "A Critical Review of the Physicochemical Impacts of Water Chemistry on Shale in Hydraulic Fracturing Systems". United States. https://doi.org/10.1021/acs.est.0c04901. https://www.osti.gov/servlets/purl/1777482.
@article{osti_1777482,
title = {A Critical Review of the Physicochemical Impacts of Water Chemistry on Shale in Hydraulic Fracturing Systems},
author = {Khan, Hasan Javed and Spielman-Sun, Eleanor and Jew, Adam D. and Bargar, John and Kovscek, Anthony and Druhan, Jennifer L.},
abstractNote = {Hydraulic fracturing of unconventional hydrocarbon resources involves the sequential injection of a high-pressure, particle-laden fluid with varying pH's to make commercial production viable in low permeability rocks. This process both requires and produces extraordinary volumes of water. The water used for hydraulic fracturing is typically fresh, whereas 'flowback' water is typically saline with a variety of additives which complicate safe disposal. As production operations continue to expand, there is an increasing interest in treating and reusing this high-salinity produced water for further fracturing. Here we review the relevant transport and geochemical properties of shales, and critically analyze the impact of water chemistry (including produced water) on these properties. We discuss five major geo-chemical mechanisms that are prominently involved in the temporal and spatial evolution of fractures during the stimulation and production phase: shale softening, mineral dissolution, mineral precipitation, fines migration, and wettability alteration. A higher salinity fluid creates both benefits and complications in controlling these mechanisms. For example, higher salinity fluid inhibits clay dispersion, but simultaneously requires more additives to achieve appropriate viscosity for proppant emplacement. In total this review hiighlights the nuances of enhanced hydrogeochemical shale stimulation in relation to the choice of fracturing fluid chemistry.},
doi = {10.1021/acs.est.0c04901},
journal = {Environmental Science and Technology},
number = 3,
volume = 55,
place = {United States},
year = {Mon Jan 11 00:00:00 EST 2021},
month = {Mon Jan 11 00:00:00 EST 2021}
}

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Swelling and softening behaviour of La Biche shale
journal, April 1998

  • Wong, Rck
  • Canadian Geotechnical Journal, Vol. 35, Issue 2
  • DOI: 10.1139/t97-087

Rock deformation models and fluid leak-off in hydraulic fracturing
journal, June 2013

  • Yarushina, Viktoriya M.; Bercovici, David; Oristaglio, Michael L.
  • Geophysical Journal International, Vol. 194, Issue 3
  • DOI: 10.1093/gji/ggt199

Influence of proppant embedment on fracture conductivity
journal, February 2020


Spatial and Temporal Correlation of Water Quality Parameters of Produced Waters from Devonian-Age Shale following Hydraulic Fracturing
journal, February 2013

  • Barbot, Elise; Vidic, Natasa S.; Gregory, Kelvin B.
  • Environmental Science & Technology, Vol. 47, Issue 6
  • DOI: 10.1021/es304638h

Impact of Antiscalants on the Fate of Barite in the Unconventional Gas Wells
journal, October 2016

  • He, Can; Vidic, Radisav D.
  • Environmental Engineering Science, Vol. 33, Issue 10
  • DOI: 10.1089/ees.2015.0603

Shales at all scales: Exploring coupled processes in mudrocks
journal, March 2017


Kerogen Pore Size Distribution of Barnett Shale using DFT Analysis and Monte Carlo Simulations
conference, October 2011

  • Adesida, Adelola G.; Akkutlu, I. Yucel; Resasco, Daniel E.
  • SPE Annual Technical Conference and Exhibition, All Days
  • DOI: 10.2118/147397-MS

Characterization of hydraulic fracturing flowback water in Colorado: Implications for water treatment
journal, April 2015


Role of interaction between hydraulic and natural fractures on production
journal, October 2020

  • Makedonska, N.; Karra, S.; Viswanathan, H. S.
  • Journal of Natural Gas Science and Engineering, Vol. 82
  • DOI: 10.1016/j.jngse.2020.103451

Investigating the effects of plug viscosity on annular pressure drop and cuttings transport in a concentric annulus
journal, April 2020


A Diagenetic Study of the Wolfcamp Shale, Midland Basin, West Texas
conference, January 2016

  • Wickard, Alyssa K.; Elmore, R. Douglas; Heij, Gerhard
  • Proceedings of the 4th Unconventional Resources Technology Conference
  • DOI: 10.15530/urtec-2016-2460784

Micro-structure differences in kaolinite suspensions
journal, November 2009


A Historical Review of Induced Earthquakes in Texas
journal, May 2016

  • Frohlich, Cliff; DeShon, Heather; Stump, Brian
  • Seismological Research Letters, Vol. 87, Issue 4
  • DOI: 10.1785/0220160016

Comprehensive Study of Elasticity and Shear-Viscosity Effects on Proppant Transport Using HFVRs on High-TDS Produced Water
conference, January 2019

  • Geri, Mohammed Ba; Flori, Ralph; Sherif, Huosameddin
  • Proceedings of the 7th Unconventional Resources Technology Conference
  • DOI: 10.15530/urtec-2019-99

Unconventional shale-gas systems: The Mississippian Barnett Shale of north-central Texas as one model for thermogenic shale-gas assessment
journal, April 2007

  • Jarvie, Daniel M.; Hill, Ronald J.; Ruble, Tim E.
  • AAPG Bulletin, Vol. 91, Issue 4
  • DOI: 10.1306/12190606068

Desalination and Reuse of High-Salinity Shale Gas Produced Water: Drivers, Technologies, and Future Directions
journal, August 2013

  • Shaffer, Devin L.; Arias Chavez, Laura H.; Ben-Sasson, Moshe
  • Environmental Science & Technology, Vol. 47, Issue 17
  • DOI: 10.1021/es401966e

Wettability Alteration in a Tight Oil Reservoir
journal, October 2013

  • Kathel, P.; Mohanty, K. K.
  • Energy & Fuels, Vol. 27, Issue 11
  • DOI: 10.1021/ef4012752

Chemical controls on the propagation rate of fracture in calcite
journal, November 2018


Effect of Methanol and Ethylene Glycol on Sulfates and Halite Scale Formation
journal, May 2003

  • Kan, Amy T.; Fu, Gongmin; Tomson, Mason B.
  • Industrial & Engineering Chemistry Research, Vol. 42, Issue 11
  • DOI: 10.1021/ie020724e

Prediction of empirical properties using direct pore-scale simulation of straining through 3D microtomography images of porous media
journal, October 2015


Study on the damage and control method of fracturing fluid to tight reservoir matrix
journal, October 2020


Experimental Investigation of Fracturing-Fluid Migration Caused by Spontaneous Imbibition in Fractured Low-Permeability Sands
journal, January 2014

  • Dutta, R. .; Lee, C. -H. . -H.; Odumabo, S. .
  • SPE Reservoir Evaluation & Engineering, Vol. 17, Issue 01
  • DOI: 10.2118/154939-PA

Nanoscale Gas Flow in Shale Gas Sediments
journal, October 2007

  • Javadpour, F.; Fisher, D.; Unsworth, M.
  • Journal of Canadian Petroleum Technology, Vol. 46, Issue 10
  • DOI: 10.2118/07-10-06

Computed-Tomography Measurements of Water Block in Low-Permeability Rocks: Scaling and Remedying Production Impairment
journal, December 2017

  • Liang, Tianbo; Luo, Xiao; Nguyen, Quoc
  • SPE Journal, Vol. 23, Issue 03
  • DOI: 10.2118/189445-PA

The effect of pressure on porosity and the transport properties of rock
journal, January 1984


Characterization and implications of solids associated with hydraulic fracturing flowback and produced water from the Duvernay Formation, Alberta, Canada
journal, January 2019

  • Flynn, Shannon L.; von Gunten, Konstantin; Warchola, Tyler
  • Environmental Science: Processes & Impacts, Vol. 21, Issue 2
  • DOI: 10.1039/C8EM00404H

Charged patch attraction in dispersion: effect of polystyrene sulphonate molecular weight or patch size
journal, January 2001


Fluid Mechanics of Hydraulic Fracturing: a Review
journal, July 2017


Origin and characterization of Eagle Ford pore networks in the south Texas Upper Cretaceous shelf
journal, March 2017

  • Ko, Lucy T.; Loucks, Robert G.; Ruppel, Stephen C.
  • AAPG Bulletin, Vol. 101, Issue 03
  • DOI: 10.1306/08051616035

Production Loss by Scale Formation in Unconventional Reservoirs
conference, April 2018

  • Abouie, A. .; Tagavifar, M. .; Sanaei, A. .
  • SPE Western Regional Meeting, Day 5 Thu, April 26, 2018
  • DOI: 10.2118/190148-MS

Current understanding of shale wettability: A review on contact angle measurements
journal, June 2018


Nanoscale Visualization of Gas Shale Pore and Textural Features
conference, September 2013

  • Vega, Bolivia; Andrews, Joy C.; Liu, Yijin
  • Unconventional Resources Technology Conference, Denver, Colorado, 12-14 August 2013
  • DOI: 10.1190/urtec2013-163

Shale Alteration by Water Adsorption
journal, September 1970

  • Chenevert, Martin E.
  • Journal of Petroleum Technology, Vol. 22, Issue 09
  • DOI: 10.2118/2401-PA

Calcium Carbonate Formation and Dissolution
journal, February 2007

  • Morse, John W.; Arvidson, Rolf S.; Lüttge, Andreas
  • Chemical Reviews, Vol. 107, Issue 2
  • DOI: 10.1021/cr050358j

Flow of Suspensions through Porous Media—Application to Deep Filtration
journal, May 1970

  • Herzig, J. P.; Leclerc, D. M.; Goff, P. Le.
  • Industrial & Engineering Chemistry, Vol. 62, Issue 5
  • DOI: 10.1021/ie50725a003

A Critical Review of Using High Viscosity Friction Reducers as Fracturing Fluids for Hydraulic Fracturing Applications
conference, April 2019

  • Ba Geri, Mohammed; Imqam, Abdulmohsin; Flori, Ralph
  • SPE Oklahoma City Oil and Gas Symposium, Day 2 Wed, April 10, 2019
  • DOI: 10.2118/195191-MS

Generation, transport, and disposal of wastewater associated with Marcellus Shale gas development: RAPID COMMUNICATION
journal, February 2013

  • Lutz, Brian D.; Lewis, Aurana N.; Doyle, Martin W.
  • Water Resources Research, Vol. 49, Issue 2
  • DOI: 10.1002/wrcr.20096

On the Mechanisms of Shale Microfracture Propagation
conference, February 2014

  • Padin, Anton; Tutuncu, Azra N.; Sonnenberg, Steve
  • SPE Hydraulic Fracturing Technology Conference, All Days
  • DOI: 10.2118/168624-MS

Impact of Organics and Carbonates on the Oxidation and Precipitation of Iron during Hydraulic Fracturing of Shale
journal, March 2017


A review of fracturing fluid systems used for hydraulic fracturing of oil and gas wells
journal, April 2014

  • Barati, Reza; Liang, Jenn-Tai
  • Journal of Applied Polymer Science, Vol. 131, Issue 16
  • DOI: 10.1002/app.40735

Experimental Evaluation of Wellbore Integrity Along the Cement-rock Boundary
journal, June 2012

  • Newell, Dennis L.; Carey, J. William
  • Environmental Science & Technology, Vol. 47, Issue 1
  • DOI: 10.1021/es3011404

On wettability of shale rocks
journal, August 2016

  • Roshan, H.; Al-Yaseri, A. Z.; Sarmadivaleh, M.
  • Journal of Colloid and Interface Science, Vol. 475
  • DOI: 10.1016/j.jcis.2016.04.041

Entrainment and Deposition of Fine Particles in Porous Media
journal, December 1982

  • Gruesbeck, C.; Collins, R. E.
  • Society of Petroleum Engineers Journal, Vol. 22, Issue 06
  • DOI: 10.2118/8430-PA

Advances in Understanding Wettability of Gas Shales
journal, May 2014


An Experimental Study on Conductivity of Unpropped Fractures in Preserved Shales
journal, September 2018

  • Wu, Weiwei; Zhou, Junhao; Kakkar, Pratik
  • SPE Production & Operations, Vol. 34, Issue 02
  • DOI: 10.2118/184858-PA

Rock characterization of Fayetteville shale gas plays
journal, March 2013


Mechanisms of imbibition during hydraulic fracturing in shale formations
journal, May 2016


Metabolic Capability of a Predominant Halanaerobium sp. in Hydraulically Fractured Gas Wells and Its Implication in Pipeline Corrosion
journal, June 2016

  • Liang, Renxing; Davidova, Irene A.; Marks, Christopher R.
  • Frontiers in Microbiology, Vol. 7
  • DOI: 10.3389/fmicb.2016.00988

Formation of nanoporous pyrobitumen residues during maturation of the Barnett Shale (Fort Worth Basin)
journal, December 2012

  • Bernard, Sylvain; Wirth, Richard; Schreiber, Anja
  • International Journal of Coal Geology, Vol. 103
  • DOI: 10.1016/j.coal.2012.04.010

An unconventional mindset for shale gas surface facilities
journal, May 2012


Reaction and diffusion at the reservoir/shale interface during CO2 storage: Impact of geochemical kinetics
journal, October 2015


Investigation of Methods to Improve Utica Shale Hydraulic Fracturing in the Appalachian Basin
conference, October 2007

  • Paktinat, Javad; Pinkhouse, Joseph Allen; Little, Jeff B.
  • Eastern Regional Meeting, All Days
  • DOI: 10.2118/111063-MS

A review of crosslinked fracturing fluids prepared with produced water
journal, December 2016


Experimental Study of Fracture Conductivity for Water-Fracturing and Conventional Fracturing Applications
journal, September 2001

  • Fredd, C. N.; McConnell, S. B.; Boney, C. L.
  • SPE Journal, Vol. 6, Issue 03
  • DOI: 10.2118/74138-PA

A Critical Review of the Risks to Water Resources from Unconventional Shale Gas Development and Hydraulic Fracturing in the United States
journal, March 2014

  • Vengosh, Avner; Jackson, Robert B.; Warner, Nathaniel
  • Environmental Science & Technology, Vol. 48, Issue 15
  • DOI: 10.1021/es405118y

Effect of dissolved solids on reuse of produced water at high temperature in hydraulic fracturing jobs
journal, November 2014


Application of inorganic whole-rock geochemistry to shale resource plays: an example from the Eagle Ford Shale Formation, Texas
journal, June 2012

  • Ratcliffe, K. T.; Wright, A. M.; Schmidt, K.
  • The Sedimentary Record, Vol. 10, Issue 2
  • DOI: 10.2110/sedred.2012.2.4

Element release and reaction-induced porosity alteration during shale-hydraulic fracturing fluid interactions
journal, July 2017


Dependence of quartz wettability on fluid density: Fluid Density-Quartz Wettability
journal, April 2016

  • Al-Yaseri, Ahmed Zarzor; Roshan, Hamid; Lebedev, Maxim
  • Geophysical Research Letters, Vol. 43, Issue 8
  • DOI: 10.1002/2016GL068278

Dissolution of porous media
journal, September 1995


Chemical and Mechanical Aspects of Wellbore Stability in Shale Formations: A Literature Review
conference, November 2014

  • Al-Arfaj, Mohammed K.; Amanullah, Md; Sultan, Abdullah S.
  • Abu Dhabi International Petroleum Exhibition and Conference, Day 3 Wed, November 12, 2014
  • DOI: 10.2118/171682-MS

Critical Evaluation of Additives Used in Shale Slickwater Fracs
conference, November 2008

  • Kaufman, Phillip B.; Penny, Glenn S.; Paktinat, Javad
  • SPE Shale Gas Production Conference, All Days
  • DOI: 10.2118/119900-MS

Assessment of Effluent Contaminants from Three Facilities Discharging Marcellus Shale Wastewater to Surface Waters in Pennsylvania
journal, March 2013

  • Ferrar, Kyle J.; Michanowicz, Drew R.; Christen, Charles L.
  • Environmental Science & Technology, Vol. 47, Issue 7
  • DOI: 10.1021/es301411q

A comprehensive review on proppant technologies
journal, March 2016


Heterogeneity of the mineralogy and organic content of the Tuscaloosa Marine Shale
journal, November 2019


Oil adsorption in shale nanopores and its effect on recoverable oil-in-place
journal, August 2015


Impact of coating development on the hydraulic and transport properties in argillaceous limestone fracture: DISSOLUTION IN ARGILLACEOUS LIMESTONE FRACTURE
journal, September 2007

  • Noiriel, Catherine; Madé, Benoît; Gouze, Philippe
  • Water Resources Research, Vol. 43, Issue 9
  • DOI: 10.1029/2006WR005379

Influence of layer charge on swelling of smectites
journal, October 2006


Characterization of Marcellus Shale Flowback Water
journal, September 2014

  • Abualfaraj, Noura; Gurian, Patrick L.; Olson, Mira S.
  • Environmental Engineering Science, Vol. 31, Issue 9
  • DOI: 10.1089/ees.2014.0001

Effects of kaolinite in rocks on fines migration
journal, September 2017

  • Russell, Thomas; Pham, Duy; Neishaboor, Mahdi Tavakkoli
  • Journal of Natural Gas Science and Engineering, Vol. 45
  • DOI: 10.1016/j.jngse.2017.05.020

The colloidal and rheological properties of bentonite suspensions
journal, October 1999


Recent Advances in Scale Prediction: Approach and Limitations
journal, August 2019

  • Kan, Amy T.; Dai, Joey (Zhaoyi); Deng, Guannan
  • SPE Journal, Vol. 24, Issue 05
  • DOI: 10.2118/190754-PA

Impact of Formation Softening and Rock Mechanical Properties on Selection of Shale Stimulation Fluid: Laboratory Evaluation
conference, February 2014

  • Das, Prasanta; Achalpurkar, Manojkumar; Pal, Omprakash
  • SPE/EAGE European Unconventional Resources Conference and Exhibition, Day 2 Wed, February 26, 2014
  • DOI: 10.2118/167787-MS

Gypsum-Crystallization-Induced Fracturing during Shale–Fluid Reactions and Application for Shale Stimulation
journal, September 2018


Mapping and Quantifying Surface Charges on Clay Nanoparticles
journal, September 2015


Shale Kerogen: Hydraulic Fracturing Fluid Interactions and Contaminant Release
journal, August 2018


Enhancing Hydrocarbon Permeability After Hydraulic Fracturing: Laboratory Evaluations of Shut-ins and Surfactant Additives
conference, September 2015

  • Liang, Tianbo; Longoria, Rafael A.; Lu, Jun
  • SPE Annual Technical Conference and Exhibition, Day 2 Tue, September 29, 2015
  • DOI: 10.2118/175101-MS

Physico-Chemical Stabilization of Shales
conference, February 1997

  • van Oort, Eric
  • International Symposium on Oilfield Chemistry, All Days
  • DOI: 10.2118/37263-MS

Barium Sources in Hydraulic Fracturing Systems and Chemical Controls on its Release into Solution
conference, January 2018

  • Jew, Adam D.; Li, Qingyun; Cercone, David
  • Proceedings of the 6th Unconventional Resources Technology Conference
  • DOI: 10.15530/urtec-2018-2899671

Wettability Alteration and Spontaneous Imbibition in Unconventional Liquid Reservoirs by Surfactant Additives
journal, June 2016

  • Alvarez, J. O.; Schechter, D. S.
  • SPE Reservoir Evaluation & Engineering, Vol. 20, Issue 01
  • DOI: 10.2118/177057-PA

Characterization of kaolinite in the hardsetting clay fraction using atomic force microscopy, X-ray diffraction, and the Rietveld method
journal, January 2017

  • Prandel, Luis Valério; Dias, Nívea Maria Piccolomini; da Costa Saab, Sérgio
  • Journal of Soils and Sediments, Vol. 17, Issue 8
  • DOI: 10.1007/s11368-017-1654-z

Impact of fracturing liquid absorption on the production and water-block unlocking for shale gas reservoir
journal, March 2018

  • Shen, Yinghao; Ge, Hongkui; Zhang, Xiuling
  • Advances in Geo-Energy Research, Vol. 2, Issue 2
  • DOI: 10.26804/ager.2018.02.05

Life Cycle Water Consumption for Shale Gas and Conventional Natural Gas
journal, September 2013

  • Clark, Corrie E.; Horner, Robert M.; Harto, Christopher B.
  • Environmental Science & Technology, Vol. 47, Issue 20
  • DOI: 10.1021/es4013855

Water-Rock Interaction for Eagle Ford, Marcellus, Green River, and Barnett Shale Samples
conference, October 2015

  • Ali, Maaz; Hascakir, Berna
  • SPE Eastern Regional Meeting, All Days
  • DOI: 10.2118/177304-MS

Natural gas-hydrates — A potential energy source for the 21st Century
journal, March 2007

  • Makogon, Y. F.; Holditch, S. A.; Makogon, T. Y.
  • Journal of Petroleum Science and Engineering, Vol. 56, Issue 1-3
  • DOI: 10.1016/j.petrol.2005.10.009

Formation Fines and Factors Controlling Their Movement in Porous Media
journal, February 1979

  • Muecke, T. W.
  • Journal of Petroleum Technology, Vol. 31, Issue 02
  • DOI: 10.2118/7007-PA

Microfracturing and microporosity in shales
journal, November 2016


Potential kinetic model for scaling and scale inhibition mechanism
journal, September 2016


Experimental investigations of the wettability of clays and shales
journal, January 2009

  • Borysenko, Artem; Clennell, Ben; Sedev, Rossen
  • Journal of Geophysical Research, Vol. 114, Issue B7
  • DOI: 10.1029/2008JB005928

Shale softening: Observations, phenomenological behavior, and mechanisms
journal, September 2018


“Swelling Chlorite”
journal, June 1950


Alteration of swelling clay minerals by acid activation
journal, April 2009


Investigation of the impact of ferrous species on the performance of common oilfield scale inhibitors for mineral scale control
journal, January 2019


Alteration of non-swelling clay minerals and magadiite by acid activation
journal, April 2009


Behaviour of swelling clays versus non-swelling clays in flotation
journal, October 2016


Flow and Transport in Tight and Shale Formations: A Review
journal, January 2017


Impact of Water Chemistry on Element Mobilization from Eagle Ford Shale
journal, April 2015

  • Wang, Lin; Fortner, John D.; Giammar, Daniel E.
  • Environmental Engineering Science, Vol. 32, Issue 4
  • DOI: 10.1089/ees.2014.0342

Shale Acid Fracturing: Geomechanical Effects and Fracture Propagation
conference, July 2017

  • Shovkun, Igor; Espinoza, D. Nicolas
  • Sixth Biot Conference on Poromechanics, Poromechanics VI
  • DOI: 10.1061/9780784480779.238