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Keywords: imbibition
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Journal Articles
Journal: SPE Journal
SPE J. (2023)
Paper Number: SPE-210436-PA
Published: 13 March 2023
...Yue Shi; Fangya Niu; Kishore Mohanty Summary Oil-wetness and heterogeneity are two key reasons for low oil recovery by waterflooding in carbonate reservoirs. Surfactants have been effective in altering the oil-wet matrix to a more water-wet condition and initiating spontaneous imbibition. Because...
Journal Articles
Journal: SPE Journal
SPE J. (2023)
Paper Number: SPE-213846-PA
Published: 16 February 2023
...Bing Wei; Qinzhi Li; Weipeng Yang; Yiwen Wang; Jun Lu; Jinyu Tang Summary Spontaneous imbibition can help to improve the oil recovery of unconventional reservoirs owing to the significant capillarity. Although the dependence of imbibition dynamics of surfactants on wettability and interfacial...
Journal Articles
Journal: SPE Journal
SPE J. (2023)
Paper Number: SPE-204336-PA
Published: 06 January 2023
...Bing Wei; Lele Wang; Runxue Mao; Guanqun Yu; Dianlin Wang; Jun Lu; Jinyu Tang Summary Surfactant-induced imbibition is considered a promising method for increasing oil recovery from tight oil reservoirs beyond primary production. Nanoemulsion (nE) offers a great potential for this application owing...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. 27 (06): 3783–3801.
Paper Number: SPE-209810-PA
Published: 20 December 2022
...Lan Mei; Wei Wei; Jianchao Cai; Qingbang Meng Summary The fluid exchange behavior for counter-current imbibition in fractured reservoirs can be quantitatively characterized by the transfer function in numerical simulation. The time-dependent shape factor (TDSF) in the transfer function is one...
Journal Articles
Journal: SPE Journal
SPE J. (2022)
Paper Number: SPE-212308-PA
Published: 24 October 2022
... of the 3D pore network. Permeability is modeled by applying the modified Hagen-Poiseuille equation, Darcy’s law, energy and mass conservation, and the effect of eddy formation and flow direction change in the pores to the constructed 3D pore network model. Relative permeability is modeled for the imbibition...
Journal Articles
Journal: SPE Journal
SPE J. (2022)
Paper Number: SPE-209445-PA
Published: 12 October 2022
... for numerous primary drainage (PD) and imbibition cycles at a constant contact angle of 0° for the wetting phase. Simultaneous measurements of capillary pressure, relative permeability, saturation, and phase connectivity are made for each displacement. The fluid-fluid IA is calculated from the PNM capillary...
Journal Articles
Journal: SPE Journal
SPE J. 27 (05): 2882–2894.
Paper Number: SPE-206151-PA
Published: 12 October 2022
... flooding. The heterogeneous coreflood test was proposed to model bypassing in low-permeability matrix during waterfloods, and dynamic imbibition of surfactant into the low-permeability matrix. Surfactant retention results suggest that retention increases as initial oil saturation decreases. The retention...
Journal Articles
Journal: SPE Journal
SPE J. 27 (03): 1619–1632.
Paper Number: SPE-209225-PA
Published: 16 June 2022
...Zhilin Cheng; Hui Gao; Zhengfu Ning; Chen Wang; Teng Li Summary The color-gradient lattice Boltzmann (LB) method is used to investigate the inertial effect on oil/water countercurrent imbibition characteristics in a matrix-fracture system. The interplay between capillarity, fluid inertia...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. 26 (05): 3285–3299.
Paper Number: SPE-205515-PA
Published: 13 October 2021
... of the complicated pore structure and surface properties in shale. In this work, this process and its controlling factors are investigated through a comparative study of three shale samples that have different types of pore systems and wettability. An integrated method of imbibition and multiscale imaging...
Journal Articles
Journal: SPE Journal
SPE J. 26 (04): 2340–2351.
Paper Number: SPE-205491-PA
Published: 11 August 2021
...Guoqing Xu; Yujiao Han; Yun Jiang; Yang Shi; Mingxian Wang; XingHang Zeng Summary Spontaneous imbibition (SI) is regarded as an effective method to improve the oil recovery in a tight sandstone reservoir, which leads to a significant change in fracturing design and flowback treatment. However...
Journal Articles
Journal: SPE Journal
SPE J. 26 (04): 2324–2339.
Paper Number: SPE-205490-PA
Published: 11 August 2021
...Weibing Tian; Keliu Wu; Zhangxin Chen; Lingbin Lai; Yanling Gao; Jing Li Summary Imbibition is one of the most common physical phenomena in nature, and it plays an important role in enhanced oil recovery, hydrology, and environmental engineering. The imbibition in a capillary is one of the fluid...
Includes: Supplementary Content
Journal Articles
Journal: SPE Journal
SPE J. 26 (02): 847–856.
Paper Number: SPE-200431-PA
Published: 14 April 2021
...Mingyuan Wang; Francisco J. Argüelles-Vivas; Gayan A. Abeykoon; Ryosuke Okuno Summary The main objective of this research was to investigate the effect of initial water saturation on the oil recovery from tight matrices through surfactant-enhanced water imbibition. Two flooding/soaking experiments...
Journal Articles
Journal: SPE Journal
SPE J. 25 (05): 2601–2614.
Paper Number: SPE-201099-PA
Published: 15 October 2020
...Junrong Liu; James J. Sheng Summary Countercurrent spontaneous imbibition is one of the most significant mechanisms for the mass transfer between fractures and matrixes in tight reservoirs. Adding surfactants and pressurization are two common methods to enhance the imbibition. In this study, we...
Journal Articles
Journal: SPE Journal
SPE J. 25 (05): 2694–2709.
Paper Number: SPE-200340-PA
Published: 15 October 2020
...Mingyuan Wang; Gayan A. Abeykoon; Francisco J. Argüelles-Vivas; Ryosuke Okuno Summary This paper presents four dynamic imbibition experiments using fractured limestone cores with aqueous solutions of 3-pentanone and a nonionic surfactant. Results of the dynamic imbibition experiments were analyzed...
Journal Articles
Journal: SPE Journal
SPE J. 25 (01): 268–287.
Paper Number: SPE-199346-PA
Published: 17 February 2020
... as follows. Using surfactants as fracturing‐fluid additives can either promote spontaneous imbibition to dissipate the invading water into the deeper formation (Wang et al. 2012 ; Kim et al. 2016 ; Neog and Schechter 2016 ; Alvarez et al. 2017 ; Liang et al. 2017c ) or promote flowback to recover...
Journal Articles
Journal: SPE Journal
SPE J. 24 (03): 1201–1219.
Paper Number: SPE-190189-PA
Published: 27 February 2019
...Pål Østebø Andersen; Arild Lohne; Arne Stavland; Aksel Hiorth; Bergit Brattekås Summary Capillary spontaneous imbibition (SI) of solvent (water bound in gel) from formed polymer gel into an adjacent, oil‐saturated porous medium was recently observed in laboratory experiments. Loss of water from...
Journal Articles
Journal: SPE Journal
SPE J. 24 (03): 1179–1191.
Paper Number: SPE-194207-PA
Published: 28 January 2019
...Qingbang Meng; Jianchao Cai; Jing Wang Summary Scaling of imbibition data is of essential importance in predicting oil recovery from fractured reservoirs. In this work, oil recovery by countercurrent spontaneous imbibition from 2D matrix blocks with different boundary conditions was studied using...
Journal Articles
Journal: SPE Journal
SPE J. 24 (03): 1092–1107.
Paper Number: SPE-194194-PA
Published: 28 January 2019
...M.. Tagavifar; M.. Balhoff; K.. Mohanty; G. A. Pope Summary Surfactants induce spontaneous imbibition of water into oil‐wet porous media by wettability alteration and interfacial‐tension (IFT) reduction. Although the dependence of imbibition on wettability alteration is well‐understood, the role...
Journal Articles
Journal: SPE Journal
SPE J. 24 (01): 215–229.
Paper Number: SPE-190309-PA
Published: 31 December 2018
...Lichi Deng; Michael J. King Summary Spontaneous and forced imbibition are recognized as important recovery mechanisms in naturally fractured reservoirs because the capillary force controls the movement of the fluid between the matrix and the fracture. For unconventional reservoirs, imbibition...
Journal Articles
Journal: SPE Journal
SPE J. 23 (06): 2103–2117.
Paper Number: SPE-187176-PA
Published: 17 October 2018
...-treatment performance and consequent oil recovery can be improved by adding surfactants to stimulation fluids to promote imbibition by wettability alteration and moderate interfacial-tension (IFT) reduction. Also, the extent of surfactant adsorption on the ULR surface during the imbibition of completion...

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