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Remote sensing of hydrocarbon layers by seabed logging (SBL): results from a cruise offshore Angola

Remote sensing of hydrocarbon layers by seabed logging (SBL): results from a cruise offshore Angola
Remote sensing of hydrocarbon layers by seabed logging (SBL): results from a cruise offshore Angola
Detecting and assessing hydrocarbon reservoirs without the need to drill test wells is of major importance to the petroleum industry. Seismic methods have traditionally been used in this context, but the results can be ambiguous. Another approach is to use electromagnetic sounding methods that exploit the resistivity differences between a reservoir containing highly resistive hydrocarbons and one saturated with conductive saline fluids. Modeling presented by Eidesmo et al. (2002) demonstrates that by using seabed logging (SBL), a special application of frequency domain controlled source electromagnetic (CSEM) sounding, the existence or otherwise of hydrocarbon bearing layers can be determined and their lateral extent and boundaries can be quantified. Such information provides valuable complementary constraints on reservoir geometry and characteristics obtained by seismic surveying.
hydrocarbon exploration, charles darwin, csem, remote sensing, geology
0016-8033
972-982
Ellingsrud, S.
f7c83215-22d4-4181-865c-c30ea8609801
Eidesmo, T.
6c701af1-bfb6-4917-ac9c-b7e4367728cc
Johansen, S.
6ca49614-5ad6-486c-a97d-14136aee263f
Sinha, M.C.
794c3012-d0e8-4d2f-b328-c8cfd56c5976
MacGregor, L.M.
7bccd00a-98d1-4b78-ba5c-ccf0fc1bd948
Constable, S.
b931c7b4-33b8-4c2b-8b10-f6502a433413
Ellingsrud, S.
f7c83215-22d4-4181-865c-c30ea8609801
Eidesmo, T.
6c701af1-bfb6-4917-ac9c-b7e4367728cc
Johansen, S.
6ca49614-5ad6-486c-a97d-14136aee263f
Sinha, M.C.
794c3012-d0e8-4d2f-b328-c8cfd56c5976
MacGregor, L.M.
7bccd00a-98d1-4b78-ba5c-ccf0fc1bd948
Constable, S.
b931c7b4-33b8-4c2b-8b10-f6502a433413

Ellingsrud, S., Eidesmo, T., Johansen, S., Sinha, M.C., MacGregor, L.M. and Constable, S. (2002) Remote sensing of hydrocarbon layers by seabed logging (SBL): results from a cruise offshore Angola. Geophysics, 21 (10), 972-982. (doi:10.1190/1.1518433).

Record type: Article

Abstract

Detecting and assessing hydrocarbon reservoirs without the need to drill test wells is of major importance to the petroleum industry. Seismic methods have traditionally been used in this context, but the results can be ambiguous. Another approach is to use electromagnetic sounding methods that exploit the resistivity differences between a reservoir containing highly resistive hydrocarbons and one saturated with conductive saline fluids. Modeling presented by Eidesmo et al. (2002) demonstrates that by using seabed logging (SBL), a special application of frequency domain controlled source electromagnetic (CSEM) sounding, the existence or otherwise of hydrocarbon bearing layers can be determined and their lateral extent and boundaries can be quantified. Such information provides valuable complementary constraints on reservoir geometry and characteristics obtained by seismic surveying.

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More information

Published date: October 2002
Keywords: hydrocarbon exploration, charles darwin, csem, remote sensing, geology

Identifiers

Local EPrints ID: 6134
URI: http://eprints.soton.ac.uk/id/eprint/6134
ISSN: 0016-8033
PURE UUID: dfba4c04-6df9-4184-b635-051d0b18ffd4

Catalogue record

Date deposited: 29 Jun 2004
Last modified: 09 Nov 2021 06:07

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Contributors

Author: S. Ellingsrud
Author: T. Eidesmo
Author: S. Johansen
Author: M.C. Sinha
Author: L.M. MacGregor
Author: S. Constable

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