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Keywords: brine
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Journal Articles
Journal: SPE Journal
SPE J. (2023)
Paper Number: SPE-209441-PA
Published: 06 January 2023
... in produced water for near real-time analysis. We systematically evaluated the novel tracer molecules at 95°C in high-salinity injection brine over 4 months, with periodic sampling and analysis by liquid chromatography to ascertain their hydrothermal stability. Coreflood tests at reservoir conditions were...
Journal Articles
Journal: SPE Journal
SPE J. 27 (06): 3406–3425.
Paper Number: SPE-209380-PA
Published: 20 December 2022
...Pål Andersen; Reidar Korsnes; Andre Olsen; Erik Bukkholm Summary A methodology is presented for determining reaction kinetics from coreflooding: A core is flooded with reactive brine at different compositions with injection rates varied systematically. Each combination is performed until steady...
Journal Articles
Journal: SPE Journal
SPE J. 27 (06): 3660–3673.
Paper Number: SPE-206007-PA
Published: 20 December 2022
... months in North Sea formation and formation water environments at 130°C. DMA-SSS PPG described herein showed swelling capacities of up to 30 times in different salinity North Sea brines. DMA-SSS PPG’s physiochemical properties like swelling, swelling rate, and rheological behavior were studied...
Journal Articles
Journal: SPE Journal
SPE J. 27 (06): 3630–3642.
Paper Number: SPE-210593-PA
Published: 20 December 2022
... than 240 days in synthetic brine with salinity less than 43 530 mg/L at a temperature not higher than 130°C. However, when the temperature is higher than 150°C, the gel would be broken within 60 days. When the salinity in the synthetic brine was too high, the gel also exhibited syneresis at 110°C...
Journal Articles
Journal: SPE Journal
SPE J. 27 (05): 3196–3205.
Paper Number: SPE-209808-PA
Published: 12 October 2022
...- or low-phosphorous polymeric scale inhibitors in synthetic field brine, laboratory solutions, and real oilfield brines can be accurately determined at mg/L level, or lower, with less than 10% error. The method is robust, accurate, and much less time- or labor-consuming than other existing methods...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. 27 (04): 2408–2424.
Paper Number: SPE-209623-PA
Published: 11 August 2022
... differential pressure brine wtp foam flooding enhanced oil recovery flooding pore Gas injection is one of the widely used methods for EOR with the advantages of handy operation and low cost ( Zhao et al. 2020 ; Hanamertani and Ahmed 2021 ). However, the injected gas may cause the fingering...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. 27 (04): 2283–2293.
Paper Number: SPE-209595-PA
Published: 11 August 2022
...) was utilized to probe the chemical evolution of the coreflood effluents. The three study cores selected from the Marcellus formation represent different mineralogies and structural features. In flow-through experiments, laboratory-generated brine and HCl-based fracture fluid (pH = 2) were injected sequentially...
Journal Articles
Journal: SPE Journal
SPE J. 27 (04): 2352–2389.
Paper Number: SPE-206098-PA
Published: 11 August 2022
... by simultaneously addressing complex crude oil-brine-rock (COBR) chemistry and critical thermodynamic parameters that govern MEOR efficiency within a typical sandstone formation. The present model with relatively lower computational cost and running time improves the predictive capability to preselect potential...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. 27 (04): 1915–1929.
Paper Number: SPE-209588-PA
Published: 11 August 2022
... by performing corefloods and analyzing effluent turbidity and absorbance under various salinities of the injected brine to validate the developed models. The zeta potentials of sand-fine-brine (SFB) systems were measured and ranged from −35.2 to 29.5 mV. The average size of fine particles was 800 to 900 nm...
Journal Articles
Journal: SPE Journal
SPE J. (2022)
Paper Number: SPE-209347-PA
Published: 01 August 2022
... Engineers The brines were prepared by dissolution of the desired salts in deionized water in a volumetric flask. Each of the salt chemicals were obtained from Fischer Chemicals with 99% purity. All the brine solutions were subsequently filtered through a 0.22-µm hydrophilic nitrocellulose filter (from...
Journal Articles
Journal: SPE Journal
SPE J. 27 (02): 929–944.
Paper Number: SPE-208595-PA
Published: 13 April 2022
... 2021 9 9 2021 12 8 2021 22 11 2021 13 4 2022 Copyright © 2022 Society of Petroleum Engineers chemical flooding methods upstream oil & gas brine enhanced recovery fluid dynamics complex reservoir peo pressure drop am-aa copolymer tc limestone core copolymer...
Journal Articles
Journal: SPE Journal
SPE J. 27 (02): 1367–1378.
Paper Number: SPE-209197-PA
Published: 13 April 2022
...Quanshu Zeng; Zhiming Wang; Jinchao Wang; Qiqi Wanyan; Guosheng Ding; Kang Li Summary The leaching of a salt cavern will trigger a series of rock-fluid interactions, including salt rock dissolution, cavity expansion, and brine transport caused by convection, turbulence, and diffusion effects...
Journal Articles
Journal: SPE Journal
SPE J. 27 (01): 682–704.
Paper Number: SPE-206734-PA
Published: 16 February 2022
... was induced by injecting deionized water between brine stages to trigger the mobilization of the clay minerals in sample cores. HCl, formic acid (HCOOH), and HF stimulation stages were then injected after the fines-migration induction. The new formation-damage-evaluation method proposed in this work uses...
Journal Articles
Journal: SPE Journal
SPE J. 27 (01): 186–203.
Paper Number: SPE-208590-PA
Published: 16 February 2022
..., the ultrahigh-temperature and high-pressure (HTHP) environment is a big challenge. Solid-free brine is often used as a weighting component of high-density well completion fluid in the process of well operation, but the large amount of free water can easily cause water blocking damage to the reservoir. Therefore...
Journal Articles
Journal: SPE Journal
SPE J. 27 (01): 790–805.
Paper Number: SPE-208576-PA
Published: 16 February 2022
...-responsive behavior to the post-brine flush. The gel particles could shrink and reswell according to the salinity of the injected water. Possibilities were discussed to use this salinity-responsive behavior. Also, the microgels exhibited a particular disproportionate permeability reduction (DPR) effect...
Journal Articles
Journal: SPE Journal
SPE J. 26 (06): 3681–3693.
Paper Number: SPE-206721-PA
Published: 15 December 2021
... shale oil flow in porous media flow assurance shale gas enhanced recovery complex reservoir fluid dynamics brine upstream oil & gas ift correlation coefficient ift correlation december 2021 oil shale ift value concentration aqueous phase crude-oil sample interfacial tension...
Journal Articles
Journal: SPE Journal
SPE J. 26 (05): 3075–3093.
Paper Number: SPE-193909-PA
Published: 13 October 2021
...Daulet Magzymov; Prakash Purswani; Zuleima T. Karpyn; Russell T. Johns Summary Wettability alteration has been recognized as the primary mechanism responsible for improved oil recovery during low-salinity waterflooding (LSWF). A complex network of ionic reactions at the oil/brine/rock interfaces...
Journal Articles
Journal: SPE Journal
SPE J. 26 (04): 2214–2230.
Paper Number: SPE-201754-PA
Published: 11 August 2021
... imbibition. The low-salinity brine composition was optimized using ζ -potential measurements, contact-angle (CA) experiments, and a novel wettability-alteration measure. Significant wettability alteration was observed on dolomite rocks at a salinity of 2,500 ppm. We evaluated 37 surfactants by performing CA...
Journal Articles
Journal: SPE Journal
SPE J. 26 (04): 2231–2244.
Paper Number: SPE-205381-PA
Published: 11 August 2021
... alteration, these calcite blocks were immersed in brine, followed by oil dropping on the bottom surface of these calcite blocks to verify their oil wettability. Once it was verified that the wettability does not change within 3 hours, these calcite blocks were immersed in brine with 1 wt% aDME, 1 wt% nDME...
Journal Articles
Journal: SPE Journal
SPE J. 26 (03): 1436–1454.
Paper Number: SPE-203836-PA
Published: 16 June 2021
... acidizing fluid loss control upstream oil & gas fluid dynamics iron oxide nanoparticle micelle nanorod apparent viscosity octahedral iron oxide nanoparticle fracturing fluid brine wormlike micelle silica nanorod reduction nanoparticle june 2021 drilling fluid formulation concentration...

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