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Relative Permeability and Flow Intermittency Measurements Using X-Ray Micro-tomography in a Complex Microporous Carbonate

We imaged the steady-state flow of brine and decane at different fractional flows during dual injection in a micro-porous limestone using X-ray micro-tomography. We applied differential imaging on Estaillades carbonate to (a) distinguish micro-porous regions from macro-pores, and (b) determine fluid phase pore occupancy and relative permeability at a capillary number, Ca = 7.3×10-6. The sample porosity was approximately 28 %, with 7% in macro-pores and 21% in pores that could not be directly resolved (micro-porosity). We find that, in addition to brine and decane, a fraction of the macroscopic pore space contains an intermittent phase, which is occupied either by brine or oil during the hour-long scan time. Furthermore, fluid occupancy in micro-porosity was classified into three sub-phases: micro-pore space with oil, micro-pore space with brine, and micro pores partially filled with oil and brine.

Simple

Date (Creation)
2018-06-18
Citation identifier
http://data.bgs.ac.uk/id/dataHolding/13607417
Point of contact
Organisation name Individual name Electronic mail address Role

Qatar Carbonates and Carbon Storage Research Centre

qccsrc@imperial.ac.uk

not available

Point of contact

Imperial College London

Martin Blunt

not available

Author

Imperial College London

Branko Bijeljic

not available

Author

Imperial College London

Ying Gao

not available

Author

Imperial College London

Ying Gao

not available

Point of contact

Imperial College London

Ali Q. Raeini

not available

Author
Maintenance and update frequency
notApplicable

GEMET - INSPIRE themes, version 1.0

  • Geology

BGS Thesaurus of Geosciences

  • UKCCS

  • Permeability

  • NGDC Deposited Data

  • Tomography

  • Carbon capture and storage

  • Carbonates

dataCentre
  • NGDC Deposited Data
  • UKCCS
Keywords
  • NERC_DDC

Access constraints
Other restrictions
Other constraints
intellectualPropertyRights
Other constraints
Either : (i) the dataset has not been formally approved by BGS for access and use by external clients under license; and / or (ii) the dataset contains 3rd party data or information obtained by BGS under terms and conditions that must be consulted before the dataset can be provided to, or accessed by, BGS staff or external clients. Refer to the BGS staff member responsible for the creation of the dataset if further advice is required. He / she should be familiar with the composition of the dataset, particularly with regard to 3rd party IPR contained in it, and any resultant access restrictions. This staff member should revert to the IPR Section (IPR@bgs.ac.uk) for advice, should the position not be clear.
Use constraints
Other restrictions
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

Either: (i) the dataset is made freely available, e.g. via the Internet, for a restricted category of use (e.g. educational use only); or (ii) the dataset has not been formally approved by BGS for access and use by external clients under licence, but its use may be permitted under alternative formal arrangements; or (iii) the dataset contains 3rd party data or information obtained by BGS under terms and conditions that must be consulted in order to determine the permitted usage of the dataset. Refer to the BGS staff member responsible for the creation of the dataset if further advice is required. He / she should be familiar with the composition of the dataset, particularly with regard to 3rd party IPR contained in it, and any resultant use restrictions. This staff member should revert to the IPR Section ( ipr@bgs.ac.uk) for advice, should the position not be clear.

Language
English
Topic category
  • Geoscientific information
Begin date
2018-06-09
End date
2018-06-18

Reference System Information

No information provided.
Distribution format
Name Version

Raw

OnLine resource
Protocol Linkage Name
http://www.bgs.ac.uk/ukccs/accessions/index.html#item125555
OnLine resource
Protocol Linkage Name
http://dx.doi.org/10.5285/f899eb2f-37a4-4dec-9b59-432f11250894

Digital Object Identifier (DOI)

Hierarchy level
Non geographic dataset
Other

non geographic dataset

Conformance result

Title

INSPIRE Implementing rules laying down technical arrangements for the interoperability and harmonisation of Geology

Date (Publication)
2011
Explanation

See the referenced specification

Pass
No

Conformance result

Title

Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services

Date (Publication)
2010-12-08
Explanation

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

Pass
No
Statement

We have established a novel experimental and image analysis methodology to measure the relative permeability and pore occupancy in a complex micro-porous carbonate. We have demonstrated this by conducting waterflood experiments on Estaillades limestone sample at a capillary number, Ca =7.3×10-6 and performing differential imaging to distinguish macro-pore space, explicitly resolvable in the image, and micro-porosity, together with fluid occupancy. During multiphase flow we could distinguish three types of fluid occupancy in the micro-pore space II: filled with oil, filled with brine, and partially-saturated with both brine and oil present. The micro-porosity contributed significantly to the total porosity: the fully brine-saturated portion of the pore space contributed to a large initial brine saturation after primary drainage. Keywords: Micro-CT imaging; Recovery in micro-pores; Quantifying oil (phase) in micro-porosity; Relative permeability; Intermittency; Differential imaging method

Metadata

File identifier
80c29090-bde6-03a5-e054-002128a47908 XML
Metadata language
English
Hierarchy level
Non geographic dataset
Hierarchy level name

non geographic dataset

Date stamp
2025-05-06
Metadata standard name
UK GEMINI
Metadata standard version

2.3

Metadata author
Organisation name Individual name Electronic mail address Role

British Geological Survey

enquiries@bgs.ac.uk

Point of contact
Dataset URI

http://data.bgs.ac.uk/id/dataHolding/13607417

 
 

Overviews

overview

Keywords

NGDC Deposited Data UKCCS


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