Shear induced structure additives and nonlinear pressure drop effects in permeable flow

Spain, David R.; Troost, Sebastiaan; Golombok, M Michael

doi:10.1016/j.jcis.2009.06.026

Cited by 8 publications

(4 citation statements)

References 12 publications

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“…Each experiment is performed twice to ensure reproducibility. After each experiment 2 pore volumes of demineralized water is injected to flush out the viscoelastic solutions after which the cores are placed in the oven to dry-out (Spain et al 2009). …”

Section: Methodsmentioning

confidence: 99%

Sweep enhancers for oil recovery

Santvoort

Golombok

2015

J Petrol Explor Prod Technol

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The use of viscoelastic sweep improvers to overcome injected fluid diversion is assessed at the low pressure gradients associated with secondary oil production. The flow evolves from Newtonian to non-Newtonian behavior with increasing pressure gradient. Additive concentration determines this transition and controls the effectiveness of selective retardation. This is demonstrated in an experimental simulation of parallel flow in two core samples of different permeabilities. Even at pressure gradients lower than 1.0 bar/m channeling can effectively be reduced and early water breakthrough delayed. This has the potential to greatly increase ultimate oil recovery.

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Section: Methodsmentioning

confidence: 99%

Sweep enhancers for oil recovery

Santvoort

Golombok

2015

J Petrol Explor Prod Technol

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“…Subsequently it was shown (Smeets and Golombok, 2010) that there is an advantageous effect resulting from selective retention of CTAB in the reservoir rock. It has also been demonstrated that even after adsorption and prior to CTAB breakthrough, the selective retardation effects are maintained (Spain et al, 2009) that adsorption on clays would not be a problem. Such adsorption has also been observed by Howard and Craig (2009) in their surface studies of adsorption on silica wafers.…”

Section: Introductionmentioning

confidence: 99%

Permeability thickening fluids for improved secondary oil recovery

Golombok

Wijst

2013

Journal of Petroleum Science and Engineering

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“…Shear-induced structures and structural changes in complex fluids are interesting and important topics in colloidal sciences [1][2][3][4][5][6][7][8][9][10]. An example is the stability of multi-lamellar vesicles (MLVs) upon shearing and temperature variations [11,12].…”

Section: Introductionmentioning

confidence: 99%

Multi-lamellar vesicle formation in a long-chain nonionic surfactant: C16E4/D2O system

Gentile

Mortensen

Rossi

et al. 2011

Journal of Colloid and Interface Science

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The temperature dependent rheological and structural behavior of a long-chain C(16)E(4) (tetraethylene glycol monohexadecyl ether) surfactant in D(2)O has been studied within the regime of low shear range. In the absence of shear flow, the system forms a lamellar liquid crystalline phase at relatively high temperatures. The present paper reports on the shear-induced multi-lamellar vesicle (MLV) formation in C(16)E(4)/D(2)O at 40 wt.% of surfactant in the temperature range of 40-55 °C. The transition from planar lamellar structure to multi-lamellar vesicles has been investigated by time-resolved experiments combining rheology and nuclear magnetic resonance (rheo-NMR), rheo small-angle neutron scattering (rheo-SANS) and rheometry. The typical transient viscosity behavior of MLV formation has been discovered at low shear rate value of 0.5s(-1).

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Shear induced structure additives and nonlinear pressure drop effects in permeable flow

Cited by 8 publications

References 12 publications

Sweep enhancers for oil recovery

Sweep enhancers for oil recovery

Permeability thickening fluids for improved secondary oil recovery

Multi-lamellar vesicle formation in a long-chain nonionic surfactant: C16E4/D2O system

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