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Keywords: contact angle
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1740
... on the mechanical properties and microstructure of sandstone samples were studied by measuring the contact angle, uniaxial/triaxial compressive strength test, Brazilian tests and microstructure analysis by scanning electron microscopy. The results show that the mechanical properties of rock after...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0514
... NaCl> CaCl 2 > Mixed NaCl, CaCl 2 , and MgCl 2 >MgCl 2 . Upstream Oil & Gas pressure drop ls cacl2 contact angle co 2 ls water ls mgcl2 injection enhanced recovery mechanism OOIP crude oil reservoir waterflooding society of petroleum engineers ls nacl Oil Recovery...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0510
... of flooding the cores on permeability and porosity. Contact angle measurements were also conducted to assess the LSASF on the cores’ wettability. The core-flooding experiments showed that the highest oil recovery could be obtained by flooding RC14 with LS water and steam, which was 64.7% of the OOIP...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0419
... fluid injection in water or steam-flood practices. In this regard, experiments including X-ray diffraction (XRD), scanning electron microscopy (SEM), contact angle and nuclear magnetic resonance (NMR) tests were conducted on specimens sampled from field-collected oil sand cores. Three specimens prepared...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-561
... complex shale formation contact angle fracability wettability Upstream Oil & Gas immersion characteristic oil-based drilling fluid propagation shale gas stress intensity factor capillary force shale formation mineral society of petroleum engineers 1. INTRODUCTION Increasing energy...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-157
... paper, Standard Brazilian test was modeled with FLAC [11] to investigate the effects of loading angle on stress distribution, failure mechanisms in homogenous and heterogeneous Brazilian test. It is to be noted that contact angle and loading angle are used interchangeably in this text. 2. NUMERICAL...
Proceedings Papers

Paper presented at the The 18th U.S. Symposium on Rock Mechanics (USRMS), June 22–24, 1977
Paper Number: ARMA-77-0412
... expression borehole jack method reservoir geomechanics hydraulic pressure gauge Reservoir Characterization tangential strain jack method bearing plate strain measurement determination elastic property determination unloaded sector contact angle loading boundary pressure distribution STRAIN...
Proceedings Papers

Paper presented at the The 17th U.S. Symposium on Rock Mechanics (USRMS), August 25–27, 1976
Paper Number: ARMA-76-0381
... average pressure (Q) applied to the borehole wall is given by (mathematical equation) (available in full paper) where ¿ = a constant whose value is dependent upon Jack construction (¿ 0.93 and 0.55 for the hard and soft rock models, respectively). ß = the platen half contact angle Dividing both sides...

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