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Keywords: contact angle
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3711095-MS
... Abstract Pore radius and pore surface wettability affect capillary pressure and relative permeability functions which, in turn, affect fluid distribution in the flow channels and the outcome of improved and enhanced oil recovery in the reservoir. The contact angle between each pair of fluids...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3720274-MS
... flow in porous media organic-rich mudrock kerogen wettability enhanced recovery fluid dynamics simulation reservoir characterization upstream oil & gas ps mpa contact angle pore space thermal maturity water flux molecule wettability equation of state kerogen structure water...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5032-MS
... were obtained. This pore-network-based upscaling framework has been employed to derive the macroscopic phase behavior in complex nanopore networks. The pores were assumed to be square tubes with uniform surface wettability (i.e., zero contact angle). In natural shale rocks, the pore geometry can...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5009-MS
... induction dielectric constant as shown later in the results section. URTeC 5009 8 Laboratory measurements of contact angle Typical industry measurements of contact angle use the capillary suction test (CST) because it is simple and fast. This test has several shortcomings due to the use of a filter paper...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5233-MS
... wettability alteration, ability to increase oil recovery during core soaking, and effect on CO2-oil interfacial tension (IFT). All three surfactants exhibited good solubility in CO2 (roughly 1 wt% at pressures of 2000-5000 psi). Contact angle experiments demonstrated that the CO2+surfactant solutions can...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5354-MS
... salinity that contains 3,900 ppm of sulfate. SRB is available near a shale oil field in Texas. The other is 1.0 wt% 3-pentanone in SRB (3P-SRB). As a wettability alteration agent, sulfate is highly polar, and 3-pentanone is miscible with oil and only slightly soluble in SRB. Contact angle experiments using...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 26–28, 2021
Paper Number: URTEC-2021-5697-MS
... complexation of various minerals to mimic the wettability state of the reservoir. Third, we validate our method on zeta-potential, contact angle, and imbibition data from a previously published study using different fluids with different salinities. Finally, we present a mechanistic approach to model...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2774-MS
... chemical flooding methods flow in porous media complex reservoir upstream oil & gas mechanism shale gas oil shale huff enhanced recovery sagd pvt measurement concentration thermal method contact angle surfactant solution nonionic surfactant contact angle measurement urtec...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-2928-MS
... enhanced recovery shale gas reservoir characterization artificial intelligence log analysis upstream oil & gas mechanistic model contact angle machine learning well logging reservoir simulation conductive particle surface conductance waterflooding spherical particle...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3319-MS
... considers the influence of various geological control (pore size distribution, throat additional resistance, wettability and TOC) on AP. The results show that the additional resistance caused by pore-throat structures decreases AP, and its influence degree is positively correlated with contact angle...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3323-MS
... imbibition effect experiment urtec 3323 matrix water saturation contact angle pressure gradient mass balance equation fluid dynamics relative permeability imbibition hydraulic fracture permeability Abstract A large amount of fracturing fluid in fracking is imbibed into the shale fracture...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 20–22, 2020
Paper Number: URTEC-2020-3168-MS
... characterization shale gas enhanced recovery complex reservoir unconventional resource economics experiment imbibition urtec 3168 spontaneous imbibition shale oil oil shale fluid dynamics porosity affinity shale sample structural geology engineering contact angle fracture water imbibition...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-1069-MS
... concentration tight oil reservoir crude oil oleic phase Upstream Oil & Gas contact angle atmospheric pressure wettability alteration enhanced recovery experiment imbibition imbibition experiment reservoir viscosity aqueous phase alvarez spontaneous imbibition oil recovery...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-194-MS
... Upstream Oil & Gas clay mineral pore enhanced recovery water oil displacement pore shale gas micro-ct image information contact angle wettability water imbibition oil removal ratio imbibition spontaneous imbibition complex reservoir calculation organic matter correction...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902921-MS
... Abstract Identifying contact angles in porous media is essential for characterizing multiphase flow of fluids in reservoirs. Traditional methods to measure contact angles assume a homogenous structure of reservoir rock; however, microscale pictures by Scanning Electron Microscopes (SEM) show...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902143-MS
...+ and SO 4 2- ). However, the underlying reasons are still not well understood. In order to estimate the relative effects of PDI in determining the surface charge and wettability, a systematic experimental study was carried out. Firstly, zeta potential, contact angle and intermolecular forces were...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902986-MS
... Characterization hydraulic fracturing fracture aperture Upstream Oil & Gas roughness Artificial Intelligence Fluid Dynamics Simulation composition saturation unconventional resource technology conference contact angle wettability fracture imbibition Water Resource Research capillary pressure...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2902155-MS
... carbon content. The contact angle of water droplet on kerogen increased by 78° and 30° when the aromatic carbon concentration increased by 19% and 16% in formations A and B, respectively. We also quantified the wettability in mudrock core samples and showed that there was a 5° increase in contact angle...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2889308-MS
... recovery in ULR is not well studied. Capillary pressure is the dominant force for spontaneous imbibition process. Contact angle (CA) and interfacial tension (IFT) are essential terms in the Young-Laplace capillary pressure equation as well as in published scaling analysis of the spontaneous imbibition...

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