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Keywords: imbibition
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Proceedings Papers

Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 10–12, 2023
Paper Number: SPE-215262-MS
.... (2) Widely used soluble sleeve bridge-plugs and soluble ball seats in the P’N’P completion wells, saving working time and reducing the construction cost. (3) Multi-functional fracturing fluids, featured with imbibition mechanism and increase oil recovery. (4) Replacement of ceramsite by low-cost...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202466-MS
... wettability of shale very difficult. In this study, firstly, the micro-pore structure of shale was quantitatively characterized by scanning electron microscope (SEM). Secondly, a new experimental apparatus for shale water spontaneous imbibition under the conditions of formation temperature and confining...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196359-MS
... Abstract A clear description of the wettability of carbonate rocks poses numerous challenges due to its non-uniformity and uncertainty caused by complex pore systems and weak fluid/rock interactions. Aging in the crude oil and spontaneous brine imbibition of core samples in the laboratory...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186240-MS
... are featuring large capillary pressure thus spontaneous imbibition. Surfactant would accelerate this process. However, due to the small amount of oil in core, the accurate recording of oil recovery is challenging, especially during dynamic imbibition within fracture matrix system. Nuclear Magnetic Resonance...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186904-MS
... complex reservoir mechanism shale gas clay content structural geology water saturation presentation Shale Rock shale formation Reservoir Characterization Upstream Oil & Gas porosity water imbibition imbibition imbibition capacity spontaneous imbibition water adsorption...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186989-MS
... that a tilting episode has sunk the NW part of the structure, post oil migration. Consequently, the oil-filled rock that submerged below Free Water Level (FWL) underwent imbibition leaving behind some oil in the pores. Mud logs and Resistivity vs Density cross plot (calibrated with DST data) corroborate...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, October 25–27, 2016
Paper Number: SPE-182322-MS
... in carbonate reservoirs that present preferably oil-wet or mixed wet. In this case, the wettability alteration should be triggered by a kind of surfactants that can change the wettability towards water-wet and induce the spontaneous imbibition of injection fluid into the carbonate matrix for higher oil...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 20–22, 2015
Paper Number: SPE-176374-MS
... of 100000mg/L, 120°C, pH=5~7. This novel gas-wetting alternation agent can be used to solve the problem of liquid blocking effect in gas condensate reservoirs and thus improve gas recovery. enhanced recovery Upstream Oil & Gas liquid-blocking effect imbibition surface free energy contact angle...
Proceedings Papers

Paper presented at the Asia Pacific Oil and Gas Conference & Exhibition, August 4–6, 2009
Paper Number: SPE-123568-MS
... which are generally oil wet, wettability alteration is a critical problem as matrix oil recovery through capillary imbibition and gravity drainage is controlled by mainly its wettability. Wettability alteration in such reservoirs was studied at elevated temperature ( Anderson 1986 ; Zhou et al. 1996...
Proceedings Papers

Paper presented at the Asia Pacific Oil and Gas Conference and Exhibition, October 30–November 1, 2007
Paper Number: SPE-109724-MS
... Abstract This paper presents experimental data for co-current spontaneous imbibition into cores having bulk volumes from 0.1 to 12 cm 3 . Simple experiments of brine imbibing into air-filled cores were carried out. Homogeneous sandstone cores (Berea and Bentheim) and a carbonate core (Mt...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, April 5–7, 2005
Paper Number: SPE-92124-MS
..., oscillation and excitation of capillary trapped oil drops, forces generated by cavitating bubbles, and sonocapillary effects. This paper aims at identifying and analyzing the influence of high-frequency, high-intensity ultrasonic radiation on capillary imbibition. Laboratory experiments were performed using...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, April 5–7, 2005
Paper Number: SPE-92111-MS
... (2) L c = 1 F s = V b ∑ i = 1 n A i l A i In addition to M-K type models, Lefebvre Du Prey 15 presented a reference time for scaling of capillary imbibition as follows: (3) t d = t P c t k m...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 18–20, 2004
Paper Number: SPE-88498-MS
... Abstract Spontaneous water imbibition is an important recovery mechanism in water-flooding particularly in naturally fractured reservoirs. Scaling the core test data of spontaneous capillary imbibition with different injection fluids is crucial to properly design improved recovery methods...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, September 9–11, 2003
Paper Number: SPE-80553-MS
... As we already stated, not only the capillary pressure but also the global mobility governs the oil recovery rate by spontaneous water imbibition according to Eq. 6 . The imbibition index includes the combined effects of the capillary pressure and the global mobility. It is also known...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 8–10, 2002
Paper Number: SPE-77886-MS
... being to define residual hydrocarbon saturations. Initial investigations revealed many reservoirs with residual hydrocarbon columns, the significance of which had not been well understood. The residual hydrocarbons implied that imbibition, rather than drainage, capillary pressure curves were...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 16–18, 2000
Paper Number: SPE-64374-MS
... and shut during the (field) lifetime of a reservoir, both imbibition and drainage may occur in different parts of a reservoir. The numerical model will take into account the irreversibility of imbibition and drainage, commonly known as hysteresis, which applies for both capillary pressure and relative...

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