Results 1 to 10 of about 2,941 (120)

Experimental characterization of colloidal silica gel for water conformance control in oil reservoirs

open access: yesScientific Reports, 2022
High water production in oil fields is an area of concern due to economic issues and borehole/wellhead damages. Colloidal gels can be a good alternative to polymers to address this as they can tolerate harsh oil reservoir conditions.
Zahra Ghaffari   +4 more
doaj   +1 more source

Experimental investigation of interfacial tension and oil swelling for asphaltenic crude oil/carbonated water system

open access: yesEgyptian Journal of Petroleum, 2022
The phenomenon of oil swelling at the oil-carbonated water (CW) system could be an important mechanism during the water alternating gas (WAG) injection process.
Abdolah Golkari   +3 more
doaj   +1 more source

Viscous fingering and its effect on areal sweep efficiency during waterflooding: an experimental study

open access: yesPetroleum Science, 2018
Viscous fingering is one of the main challenges that could reduce areal sweep efficiency during waterflooding in oil reservoirs. A series of waterflooding experiments were carried out in a Hele-Shaw cell at ambient temperature during which areal sweep ...
Zahra Kargozarfard   +2 more
doaj   +1 more source

Effects of initial wettability and different surfactant-silica nanoparticles flooding scenarios on oil-recovery from carbonate rocks

open access: yesPetroleum, 2022
Initial wettability of rock surfaces plays a crucial role in displacement efficiency during core flooding experiments. In this study, linear alkylbenzene sulfonic acid (LABSA) and silica nanoparticles (NPs) were utilized as enhanced oil recovery (EOR ...
Amin Rezaei   +3 more
doaj   +1 more source

Modelling rate of penetration in drilling operations using RBF, MLP, LSSVM, and DT models

open access: yesScientific Reports, 2022
One of the most important problems that the drilling industry faces is drilling cost. Many factors affect the cost of drilling. Increasing drilling time has a significant role in increasing drilling costs.
Mohsen Riazi   +7 more
doaj   +1 more source

An Investigation of Oil Spreading Coefficient in Carbonated Water+ Gas + Oil System: an Experimental Study in an Iranian Asphaltenic Oil Reservoir [PDF]

open access: yesIranian Journal of Oil & Gas Science and Technology, 2018
To provide supplementary oil recovery after the primary and secondary processes, enhanced oil recovery (EOR) techniques are introduced. Carbonated water injection (CWI) as an EOR method can improve sweep efficiency and the risk of gas leakage.
Abdolah Golkari   +2 more
doaj   +1 more source

Enhancing the spontaneous imbibition rate of water in oil-wet dolomite rocks through boosting a wettability alteration process using carbonated smart brines

open access: yesPetroleum Science, 2019
Most fractured carbonate oil reservoirs have oil-wet rocks. Therefore, the process of imbibing water from the fractures into the matrix is usually poor or basically does not exist due to negative capillary pressure.
Ehsan Ghandi   +2 more
doaj   +1 more source

Improved insight on the application of nanoparticles in enhanced oil recovery process

open access: yesScientific African, 2021
Application of nanoparticles in enhanced oil recovery process is an emerging technology that is growing very fast as evidenced by the number of increasing publication articles in this field. Different studies have showed that application of nanoparticles
Tinuola H. Udoh
doaj   +1 more source

Promising application of probiotic microorganisms as Pickering emulsions stabilizers

open access: yesScientific Reports, 2023
The purpose of this work was to study the ability of nineteen food-grade microorganisms as Pickering emulsion (PE) stabilizers. Medium-chain triacylglycerol (MCT) oil-in-water (50:50) PEs were fabricated by 10 wt% or 15 wt% of thermally-inactivated yeast,
Maryam Nejadmansouri   +4 more
doaj   +1 more source

The Prospects and Challenges of Biopolymers for Enhanced Oil Recovery (EOR)

open access: yesEquilibrium, 2023
. Currently, Enhanced Oil Recovery (EOR) technology is being interested in the Indonesian state as an advanced technology that can recover oil remaining in the reservoir. The discovery of new resources and EOR efforts are predicted to result in increased
Maudy Pratiwi Novia Matovanni   +6 more
doaj   +1 more source

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