Evaluation of Interactions Between Oilfield Chemicals and Reservoir Rocks

E. O. Wuyep; G. F. Oluyemi; K. Yates; A. R. Akisanya

doi:10.1007/s11053-019-09523-3

Evaluation of Interactions Between Oilfield Chemicals and Reservoir Rocks

E. O. Wuyep (Corresponding Author), G. F. Oluyemi, K. Yates, A. R. Akisanya

Robert Gordon University

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

15 Downloads (Pure)

Abstract

Sand failure and production occurs when the formation stress exceeds the strength of the formation, which is derived majorly from the natural material that cements the sand grain and cohesive forces. This study investigates the effects of scale inhibitor, biocide and corrosion inhibitor on the geomechanical strength of reservoir rocks (carbonate and sandstone). Integration of geomechanical, petrophysical and analytical techniques is used to establish the failure effects of the interaction of these chemicals on the geomechanical strength of reservoir rocks and failure mechanisms resulting from such interaction. The results confirm that chemical adsorption, dissolution, precipitation and ionic substitution reactions took place between the oilfield chemicals and the formation rocks leading to weakening of the reservoir grain fabrics and reduction in unconfined compressive strength which in turn causes sand failure.

Original language	English
Pages (from-to)	1239-1258
Number of pages	20
Journal	Natural Resources Research
Volume	29
Issue number	2
Early online date	23 Jul 2019
DOIs	https://doi.org/10.1007/s11053-019-09523-3
Publication status	Published - 1 Apr 2020

Bibliographical note

The authors gratefully acknowledge Petroleum Technology Development Fund (PTDF) Nigeria for funding the PhD work from which the materials and results presented in this paper originated. The authors are also grateful to the Laboratory technicians in the School of Pharmacy and Life science and Gray School of arts, Robert Gordon University; and School of Engineering, University of Aberdeen for their technical support.

Keywords

Rock failure
Geomechanical
Petrophysical
Dissolution
Precipitation
POROSITY
UNIAXIAL COMPRESSIVE STRENGTH
PRECIPITATION
SANDSTONE

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Wuyep_etal_NRR_Evaluation_Of_Interactions_VOR
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Cite this

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title = "Evaluation of Interactions Between Oilfield Chemicals and Reservoir Rocks",

abstract = "Sand failure and production occurs when the formation stress exceeds the strength of the formation, which is derived majorly from the natural material that cements the sand grain and cohesive forces. This study investigates the effects of scale inhibitor, biocide and corrosion inhibitor on the geomechanical strength of reservoir rocks (carbonate and sandstone). Integration of geomechanical, petrophysical and analytical techniques is used to establish the failure effects of the interaction of these chemicals on the geomechanical strength of reservoir rocks and failure mechanisms resulting from such interaction. The results confirm that chemical adsorption, dissolution, precipitation and ionic substitution reactions took place between the oilfield chemicals and the formation rocks leading to weakening of the reservoir grain fabrics and reduction in unconfined compressive strength which in turn causes sand failure.",

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author = "Wuyep, {E. O.} and Oluyemi, {G. F.} and K. Yates and Akisanya, {A. R.}",

note = "The authors gratefully acknowledge Petroleum Technology Development Fund (PTDF) Nigeria for funding the PhD work from which the materials and results presented in this paper originated. The authors are also grateful to the Laboratory technicians in the School of Pharmacy and Life science and Gray School of arts, Robert Gordon University; and School of Engineering, University of Aberdeen for their technical support.",

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AU - Yates, K.

AU - Akisanya, A. R.

N1 - The authors gratefully acknowledge Petroleum Technology Development Fund (PTDF) Nigeria for funding the PhD work from which the materials and results presented in this paper originated. The authors are also grateful to the Laboratory technicians in the School of Pharmacy and Life science and Gray School of arts, Robert Gordon University; and School of Engineering, University of Aberdeen for their technical support.

PY - 2020/4/1

Y1 - 2020/4/1

N2 - Sand failure and production occurs when the formation stress exceeds the strength of the formation, which is derived majorly from the natural material that cements the sand grain and cohesive forces. This study investigates the effects of scale inhibitor, biocide and corrosion inhibitor on the geomechanical strength of reservoir rocks (carbonate and sandstone). Integration of geomechanical, petrophysical and analytical techniques is used to establish the failure effects of the interaction of these chemicals on the geomechanical strength of reservoir rocks and failure mechanisms resulting from such interaction. The results confirm that chemical adsorption, dissolution, precipitation and ionic substitution reactions took place between the oilfield chemicals and the formation rocks leading to weakening of the reservoir grain fabrics and reduction in unconfined compressive strength which in turn causes sand failure.

AB - Sand failure and production occurs when the formation stress exceeds the strength of the formation, which is derived majorly from the natural material that cements the sand grain and cohesive forces. This study investigates the effects of scale inhibitor, biocide and corrosion inhibitor on the geomechanical strength of reservoir rocks (carbonate and sandstone). Integration of geomechanical, petrophysical and analytical techniques is used to establish the failure effects of the interaction of these chemicals on the geomechanical strength of reservoir rocks and failure mechanisms resulting from such interaction. The results confirm that chemical adsorption, dissolution, precipitation and ionic substitution reactions took place between the oilfield chemicals and the formation rocks leading to weakening of the reservoir grain fabrics and reduction in unconfined compressive strength which in turn causes sand failure.

KW - Rock failure

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ER -

Evaluation of Interactions Between Oilfield Chemicals and Reservoir Rocks

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Bibliographical note

Keywords

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