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Mechanical response of anisotropic rocks under hydraulic fracture conditions: new experimental insights (NERC grant NE/L009110/1)

Text data capturing pore fluid pressures (upstream and downstream), axial stress, axial and radial displacement were conditioned and logged by a high-speed data acquisition unit (NI-DAQ 6341) recording data at 10kHz. Two additional cantilever-type radial strain probes are attached directly to the sample at 90 degrees to each other, with an average output calculated via sqrt[(rA2 + rB2)], where rA and rB are the two radial outputs, to monitor an average radial strain and crack opening displacement.

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Identification info

Metadata Language
English (en)
Dataset Reference Date ()
2019-07-01
Identifier

http://data.bgs.ac.uk/id/dataHolding/13607487

 

University of Portsmouth

-

Philip Benson

(

School of Earth and Environmental Sciences

)

Burnaby Building

,

Portsmouth

,

PO1 3QL

,
 

University of Portsmouth

-

Philip Benson

(

School of Earth and Environmental Sciences

)

Burnaby Building

,

Portsmouth

,

PO1 3QL

,
Maintenance and update frequency
notApplicable
GEMET - INSPIRE themes
  • Geology
BGS Thesaurus of Geosciences
  • Hydraulic fracturing

  • Rock deformation

Keywords
  • NERC_DDC

Limitations on Public Access
otherRestrictions
Other constraints
no limitations
Other constraints
The dataset is made freely available for access, e.g. via the Internet. Either no third party data / information is contained in the dataset or BGS has secured written permission from the owner(s) of any third party data / information contained in the dataset to make the dataset freely accessible.
Use constraints
otherRestrictions
Other constraints

The copyright of materials derived from the British Geological Survey's work is vested in the Natural Environment Research Council [NERC]. No part of this work may be reproduced or transmitted in any form or by any means, or stored in a retrieval system of any nature, without the prior permission of the copyright holder, via the BGS Intellectual Property Rights Manager. Use by customers of information provided by the BGS, is at the customer's own risk. In view of the disparate sources of information at BGS's disposal, including such material donated to BGS, that BGS accepts in good faith as being accurate, the Natural Environment Research Council (NERC) gives no warranty, expressed or implied, as to the quality or accuracy of the information supplied, or to the information's suitability for any use. NERC/BGS accepts no liability whatever in respect of loss, damage, injury or other occurence however caused.

Other constraints

Available under the Open Government Licence subject to the following acknowledgement accompanying the reproduced NERC materials "Contains NERC materials ©NERC [year]"

Topic category
  • Geoscientific information
Begin date
2018-03-16
End date
2018-03-16
 

Spatial Reference System

No information provided.

Distribution Information

Data format
  • .txt

    ()

Resource Locator
https://www.bgs.ac.uk/services/ngdc/accessions/index.html#item128833
Resource Locator
https://www.bgs.ac.uk/services/ngdc/accessions/index.html#item128833
 
Quality Scope
nonGeographicDataset
Other

non geographic dataset

Report

Dataset Reference Date ()
2011
Explanation

See the referenced specification

Degree

Report

Dataset Reference Date ()
2010-12-08
Explanation

See http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:323:0011:0102:EN:PDF

Degree
Statement

Hydraulic fracturing experiments were carried out in a triaxial deformation cell consisting of a servo-hydraulic axial and radial (confining) pressure system balanced to allow hydrostatic compensation, and a pore fluid injection pump (distilled water). A right cylindrical sample with centrally drilled conduit is prepared, and fitted with an internal steel guide/assembly to direct pressurized fluid into a section sealed using a number of O-rings. The entire sample assembly is separated from the confining medium using an engineered nitrile jacket. Experiments are carried out in two phases. Firstly, an initial triaxial stress (?1) and confining pressure (Pc) are applied until the required experimental (based on a desired Pc) conditions are established. Secondly, the experiment commences when water is injected at a constant flow rate (1mL/min).

Metadata

File identifier
8e061bfe-e4fb-3443-e054-002128a47908 XML
Metadata Language
English (en)
Resource type
nonGeographicDataset
Hierarchy level name

non geographic dataset

Metadata Date
2022-06-29
Metadata standard name
UK GEMINI
Metadata standard version

2.3

 

British Geological Survey


Environmental Science Centre,Keyworth

,

NOTTINGHAM

,

NOTTINGHAMSHIRE

,

NG12 5GG

,

United Kingdom

+44 115 936 3100
 
 

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