Geochemical interactions between hydraulic fracturing fluid and fractured Whitby Mudstone

John Kaszuba; Maartje E. Houben; Suzanne J.T. Hangx

doi:10.1051/e3sconf/20199802004

Abstract

We examine how a mechanically-induced fracture network may influence geochemical reaction between shale and stimulation fluid used in hydraulic fracturing. Two different types of bedding-parallel fractures, a simple fracture between bedding planes and a damage zone with multiple fractures, were induced in the Whitby Mudstone (Early Jurassic) from the UK. Both fractured shales were subsequently reacted with stimulation fluid at 10 MPa and 100°C for about 2000 hours. pH increased from 2.1 to about 6 after 1000 hours of reaction in both shales, but pH increased slightly more rapidly by reaction in the shale with the damage zone. Total dissolved inorganic carbon evolved in similar fashion in both experiments and did not readily distinguish between the two styles of fracturing induced in the Whitby Mudstone.

Original language	English
Number of pages	5
DOIs	https://doi.org/10.1051/e3sconf/20199802004
Publication status	Published - 7 Jun 2019
Event	16th International Symposium on Water-Rock Interaction, WRI 2019 and 13th International Symposium on Applied Isotope Geochemistry, 1st IAGC International Conference - Tomsk, Russian Federation Duration: 21 Jul 2019 → 26 Jul 2019

Conference

Conference	16th International Symposium on Water-Rock Interaction, WRI 2019 and 13th International Symposium on Applied Isotope Geochemistry, 1st IAGC International Conference
Country/Territory	Russian Federation
City	Tomsk
Period	21/07/19 → 26/07/19

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Kaszuba, J., Houben, M. E., & Hangx, S. J. T. (2019). Geochemical interactions between hydraulic fracturing fluid and fractured Whitby Mudstone. Abstract from 16th International Symposium on Water-Rock Interaction, WRI 2019 and 13th International Symposium on Applied Isotope Geochemistry, 1st IAGC International Conference, Tomsk, Russian Federation. https://doi.org/10.1051/e3sconf/20199802004

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title = "Geochemical interactions between hydraulic fracturing fluid and fractured Whitby Mudstone",

abstract = "We examine how a mechanically-induced fracture network may influence geochemical reaction between shale and stimulation fluid used in hydraulic fracturing. Two different types of bedding-parallel fractures, a simple fracture between bedding planes and a damage zone with multiple fractures, were induced in the Whitby Mudstone (Early Jurassic) from the UK. Both fractured shales were subsequently reacted with stimulation fluid at 10 MPa and 100°C for about 2000 hours. pH increased from 2.1 to about 6 after 1000 hours of reaction in both shales, but pH increased slightly more rapidly by reaction in the shale with the damage zone. Total dissolved inorganic carbon evolved in similar fashion in both experiments and did not readily distinguish between the two styles of fracturing induced in the Whitby Mudstone.",

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doi = "10.1051/e3sconf/20199802004",

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Kaszuba, J, Houben, ME & Hangx, SJT 2019, 'Geochemical interactions between hydraulic fracturing fluid and fractured Whitby Mudstone', 16th International Symposium on Water-Rock Interaction, WRI 2019 and 13th International Symposium on Applied Isotope Geochemistry, 1st IAGC International Conference, Tomsk, Russian Federation, 21/07/19 - 26/07/19. https://doi.org/10.1051/e3sconf/20199802004

Geochemical interactions between hydraulic fracturing fluid and fractured Whitby Mudstone. / Kaszuba, John; Houben, Maartje E.; Hangx, Suzanne J.T.
2019. Abstract from 16th International Symposium on Water-Rock Interaction, WRI 2019 and 13th International Symposium on Applied Isotope Geochemistry, 1st IAGC International Conference, Tomsk, Russian Federation.

Research output: Contribution to conference › Abstract › Academic

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T1 - Geochemical interactions between hydraulic fracturing fluid and fractured Whitby Mudstone

AU - Kaszuba, John

AU - Houben, Maartje E.

AU - Hangx, Suzanne J.T.

PY - 2019/6/7

Y1 - 2019/6/7

N2 - We examine how a mechanically-induced fracture network may influence geochemical reaction between shale and stimulation fluid used in hydraulic fracturing. Two different types of bedding-parallel fractures, a simple fracture between bedding planes and a damage zone with multiple fractures, were induced in the Whitby Mudstone (Early Jurassic) from the UK. Both fractured shales were subsequently reacted with stimulation fluid at 10 MPa and 100°C for about 2000 hours. pH increased from 2.1 to about 6 after 1000 hours of reaction in both shales, but pH increased slightly more rapidly by reaction in the shale with the damage zone. Total dissolved inorganic carbon evolved in similar fashion in both experiments and did not readily distinguish between the two styles of fracturing induced in the Whitby Mudstone.

AB - We examine how a mechanically-induced fracture network may influence geochemical reaction between shale and stimulation fluid used in hydraulic fracturing. Two different types of bedding-parallel fractures, a simple fracture between bedding planes and a damage zone with multiple fractures, were induced in the Whitby Mudstone (Early Jurassic) from the UK. Both fractured shales were subsequently reacted with stimulation fluid at 10 MPa and 100°C for about 2000 hours. pH increased from 2.1 to about 6 after 1000 hours of reaction in both shales, but pH increased slightly more rapidly by reaction in the shale with the damage zone. Total dissolved inorganic carbon evolved in similar fashion in both experiments and did not readily distinguish between the two styles of fracturing induced in the Whitby Mudstone.

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T2 - 16th International Symposium on Water-Rock Interaction, WRI 2019 and 13th International Symposium on Applied Isotope Geochemistry, 1st IAGC International Conference

Y2 - 21 July 2019 through 26 July 2019

ER -

Geochemical interactions between hydraulic fracturing fluid and fractured Whitby Mudstone

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