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  • Gary Douglas Couples
2020

Dynamic Fluid Ingress Detection in Geomaterials using K-band Frequency Modulated Continuous Wave Radar

Blanche, J., Lewis, H., Couples, G. D., Buckman, J., Lenoir, N., Tengattini, A. & Flynn, D., 2020, In : IEEE Access. 8, p. 111027-111041 15 p.

Research output: Contribution to journalArticle

Open Access
File
1 Downloads (Pure)

Frequency Modulated Continuous Wave Analysis of Dynamic Load Deformation in Geomaterials

Blanche, J., Buckman, J., Lewis, H., Flynn, D. & Couples, G. D., 4 May 2020, Offshore Technology Conference 2020. 21 p. OTC-30479-MS

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
72 Downloads (Pure)

Sampling and preparation of c.200 mm diameter cylindrical rock samples for geomechanical experiments

Fraser-Harris, A., Lightbody, A., Edlmann, K., Elphick, S. C., Couples, G. D., Sauter, M. & McDermott, C., Apr 2020, In : International Journal of Rock Mechanics and Mining Sciences. 128, 104233.

Research output: Contribution to journalArticle

Where is the Water? – A Physics Analysis to Identify Possible Processes in Hydraulic Fracturing

Couples, G. D., 26 May 2020, (Accepted/In press). 10 p.

Research output: Contribution to conferencePaper

Open Access
File
1 Downloads (Pure)
2019

Fast 4D imaging of fluid flow in rock by high‐speed neutron tomography

Tudisco, E., Etxegarai, M., Hall, S. A., Charalampidou, E. M., Couples, G. D., Lewis, H., Tengattini, A. & Kardjilov, N., Apr 2019, In : Journal of Geophysical Research: Solid Earth. 124, 4, p. 3557-3569 13 p.

Research output: Contribution to journalArticle

Open Access
File
68 Downloads (Pure)

Flow through fractured reservoirs under geological and geomechancial uncertainty

Steffens, B., Demyanov, V., Couples, G., Arnold, D. & Lewis, H., 3 Jun 2019, 81st EAGE Conference and Exhibition 2019. EAGE Publishing BV

Research output: Chapter in Book/Report/Conference proceedingConference contribution

High-resolution large area scanning electron microscopy: an imaging tool for porosity and diagenesis of carbonate rock systems

Buckman, J., Charalampidou, E-M. C., Zihms, S., Lewis, M. H., Corbett, P. W. M., Couples, G. D., Jiang, Z. & Huang, T., Jan 2019, Carbonate Pore Systems: New Developments and Case Studies. SEPM Society for Sedimentary Geology, (SEPM Special Publications; vol. 112).

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Open Access
File
25 Downloads (Pure)
2018

A general method for simulating reactive dissolution in carbonate rocks with arbitrary geometry

Liu, P., Couples, G. D., Yao, J., Huang, Z., Song, W. & Ma, J., Oct 2018, In : Computational Geosciences. 22, 5, p. 1187–1201 15 p.

Research output: Contribution to journalArticle

Open Access
File
60 Downloads (Pure)
Open Access
File
15 Downloads (Pure)

Effect of wellbore mechanical responses on stimulation initiation treatment

Alruwaili, K. M. M., Couples, G. D. & Ma, J., 2018.

Research output: Contribution to conferencePaper

High Speed Neutron tomography to capture fluid flow in shear-enhanced compaction bands

Charalampidou, E-M. C., Tudisco, E., Etxegarai, M., Couples, G. D., Kardjilov, N. & Hall, S., Jun 2018.

Research output: Contribution to conferencePoster

New Experimental Equipment Recreating Geo-Reservoir Conditions in Large, Fractured, Porous Samples to Investigate Coupled Thermal, Hydraulic and Polyaxial Stress Processes

McDermott, C. I., Fraser-Harris, A., Sauter, M., Couples, G. D., Edlmann, K., Kolditz, O., Lightbody, A., Somerville, J. M. & Wang, W., 28 Sep 2018, In : Scientific Reports. 8, 14549.

Research output: Contribution to journalArticle

Open Access
File
24 Downloads (Pure)
Open Access
File
19 Downloads (Pure)

Workflow model for the digitization of mudrocks

Buckman, J., Mahoney, C., Bankole, S., Couples, G., Lewis, H., Wagner, T., März, C., Blanco, V. & Stow, D., 3 Sep 2018, Application of Analytical Techniques to Petroleum Systems. Geological Society of London, (Geological Society Special Publications; vol. 484).

Research output: Chapter in Book/Report/Conference proceedingChapter

Open Access
File
25 Downloads (Pure)
2017

3-D Modelling and Experimental Comparison of Reactive Flow in Carbonates under Radial Flow Conditions

Liu, P., Yao, J., Couples, G. D., Ma, J. & Iliev, O., 18 Dec 2017, In : Scientific Reports. 7, 17711.

Research output: Contribution to journalArticle

Open Access
File
27 Downloads (Pure)

Advances in neutron imaging experiments for rock mechanics and fluid flow characterisation

Tudisco, E., Hall, S., Etxegarai, M., Charalampidou, E-M. C., Couples, G. D. & Kardjilov, N., 7 Nov 2017.

Research output: Contribution to conferencePaper

Analysis of geomaterials using frequency-modulated continuous wave radar in the K-band

Blanche, J., Flynn, D., Lewis, M. H., Couples, G. D. & Cheung, R., 13 Jun 2017.

Research output: Contribution to conferencePaper

Analysis of Geomaterials using Frequency Modulated Continuous Wave Radar in the X-band

Blanche, J., Flynn, D., Lewis, M. H., Couples, G. D. & Cheung, R., 8 Aug 2017, 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE). IEEE, p. 1376-1381 6 p. (IEEE International Symposium on Industrial Electronics).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
56 Downloads (Pure)
Open Access
File
18 Downloads (Pure)

Assessment of localised deformation in sandstones via high speed neutron tomography

Charalampidou, E-M. C., Tudisco, E., Etxegarai, M., Couples, G. D., Soriano, I., Kardjilov, N. & Hall, S., 2017.

Research output: Contribution to conferencePoster

Bedoin weakly cemented sands: how do they deform?

Soriano, I., Charalampidou, E-M. C., Lewis, M. H., Viggiani, G. & Couples, G. D., 2017.

Research output: Contribution to conferencePoster

Cemented sands: from field deformation to inter-particle bonding

Soriano, I., Charalampidou, E-M. C., Lewis, M. H., Viggiani, G., Buckman, J., Ando, E. & Couples, G. D., 2017.

Research output: Contribution to conferenceAbstract

Fluid flow in sandstones with lab induced shear-enhanced compaction bands via High Speed Neutron tomography

Charalampidou, E-M. C., Tudisco, E., Etxegarai, M., Couples, G. D., Soriano, I., Kardjilov, N. & Hall, S., 2017.

Research output: Contribution to conferencePoster

Idealised Discrete Pore-Scale Model of Poro-Elasticity via Closed-Form Analytical Expressions

Couples, G. D., Jul 2017, Proceedings of the 6th Biot Conference on Poromechanics. American Society of Civil Engineers, 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Initiation of Stimulation Treatments Depends on Wellbore Mechanical Responses During Drilling

Alruwaili, K., Couples, G. D. & Ma, J., Jun 2017. 13 p.

Research output: Contribution to conferencePaper

Localised Deformation of Weakly Cemented Sands: A Case Study

Soriano, I., Charalampidou, E-M. C., Lewis, H., Viggiani, G., Buckman, J. & Couples, G. D., 2017, Bifurcation and Degradation of Geomaterials with Engineering Applications. Papamichos, E., Papanastasiou, P., Pasternak, E. & Dyskin, A. (eds.). Springer, p. 381-389 9 p. (Springer Series in Geomechanics and Geoengineering).

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)

Modeling and simulation of wormhole formation during acidization of fractured carbonate rocks

Liu, P., Yao, J., Couples, G. D., Ma, J., Huang, Z. & Sun, H., Jun 2017, In : Journal of Petroleum Science and Engineering. 154, p. 284-301 18 p.

Research output: Contribution to journalArticle

Open Access
File
110 Downloads (Pure)

Neutron radiography and tomography used to characterise water flow through a low permeability carbonate altered by experimentally induced fracture

Lewis, M. H., Tengattini, A., Couples, G. D., Tudisco, E., Charalampidou, E-M. C., Hall, S., Etxegarai, M. & Edlmann, K., 2017.

Research output: Contribution to conferenceAbstract

Numerical modelling and analysis of reactive flow and wormhole formation in fractured carbonate rocks

Liu, P., Yao, J., Couples, G. D., Huang, Z., Sun, H. & Ma, J., Nov 2017, In : Chemical Engineering Science. 172, p. 143-157 15 p.

Research output: Contribution to journalArticle

Open Access
File
59 Downloads (Pure)

Pore Network Extraction for Fractured Porous Media

Jiang, Z., Van Dijke, M. I. J., Geiger, S., Ma, J., Couples, G. D. & Li, X., Sep 2017, In : Advances in Water Resources. 107, p. 280-289 10 p.

Research output: Contribution to journalArticle

Open Access
File
46 Downloads (Pure)
Open Access
File
58 Downloads (Pure)

Use of neutron radiography and tomography to identify fracture network connectivity in low permeability carbonates

Lewis, M. H., Zihms, S., Couples, G. D., Charalampidou, E-M. C., Hall, S., Tudisco, E., Edlmann, K., Ando, E., Etxegarai, M., Tengattini, A. & Atkins, D., Apr 2017.

Research output: Contribution to conferencePoster

2016

Analysis of geomaterials using frequency modulated continuous waves

Blanche, J., Flynn, D., Lewis, H., Couples, G. D. & Cheung, R., 10 Oct 2016.

Research output: Contribution to conferencePaper

Comparison of deformation mechanics for two different carbonates: oolitic limestone and laminites

Zihms, S., Lewis, M. H., Couples, G. D., Hall, S. A. & Somerville, J. M., Apr 2016.

Research output: Contribution to conferenceAbstract

Fracture network evolution in laminites

Zihms, S., Lewis, M. H. & Couples, G. D., Apr 2016.

Research output: Contribution to conferenceAbstract

Locally informed Gravitational Search Algorithm

Sun, G., Zhang, A., Wang, Z., Yao, Y., Ma, J. & Couples, G. D., 15 Jul 2016, In : Knowledge-Based Systems. 104, p. 134–144 11 p.

Research output: Contribution to journalArticle

Open Access
File
51 Downloads (Pure)

Modelling of Morphology and Petrophysics of Nummulitic Carbonate Rocks

Jiang, Z., Mangione, A., Lewis, M. H. & Couples, G. D., 31 Jan 2016, (Accepted/In press).

Research output: Contribution to conferencePaper

2015

3D simulation of fluid-pressure-induced fracture nucleation and growth in rock samples

Lisjak, A., Mahabadi, O. K., Tatone, B. S. A., Alruwaili, K., Couples, G. D., Ma, J. & Al-Nakhli, A., 2015, 49th US Rock Mechanics / Geomechanics Symposium 2015. American Rock Mechanics Association, Vol. 2. p. 1168-1175 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

A Geomaterials Approach to Fault-Zone Characterisation

Couples, G. D., Lewis, M. H., Charalampidou, E-M. C., Ma, J. & Zamarron Galvan, A. E., 13 Oct 2015.

Research output: Contribution to conferencePaper

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

Ma, J., Couples, G. D., Zhao, X. & Morountodun, A., 2015.

Research output: Contribution to conferencePaper

Estimation of Flow properties in Shear and Compaction Bands via Imaging Methods

Charalampidou, E-M. C., Couples, G. D., Lewis, H., Stanchits, S., Hall, S. & Viggiani, G., 10 Jun 2015.

Research output: Contribution to conferencePaper

Flow properties in sandstones with laboratory induced deformation bands

Charalampidou, E-M. C., Couples, G. D., Lewis, M. H., Stanchits, S., Hall, S. & Viggiani, G., 1 Sep 2015.

Research output: Contribution to conferencePaper

Stress arching effect on stress sensitivity of permeability and gas well production in Sulige gas field

Wang, F., Li, X., Couples, G. D., Shi, J., Zhang, J., Tepinhi, Y. & Wu, L., Jan 2015, In : Journal of Petroleum Science and Engineering. 125, p. 234-246 13 p.

Research output: Contribution to journalArticle