{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T10:04:36Z","timestamp":1775901876473,"version":"3.50.1"},"reference-count":25,"publisher":"Geological Society of London","issue":"1","license":[{"start":{"date-parts":[[2008,2,1]],"date-time":"2008-02-01T00:00:00Z","timestamp":1201824000000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-002"}],"content-domain":{"domain":["www.lyellcollection.org"],"crossmark-restriction":true},"short-container-title":["PG"],"published-print":{"date-parts":[[2008,2]]},"abstract":"<jats:p>Reservoir management is a balancing act between making timely operational decisions and the need to obtain data on which such decisions can be made. There is a further problem: estimates of recovery for prospective development plans are subject to uncertainty because of the uncertainty of the geological description within the simulation model.<\/jats:p>\n          <jats:p>The SAIGUP project was designed to analyse the sensitivity of estimates of recovery due to geological uncertainty in a suite of shallow-marine reservoir models. However, although it was generic, it had the hallmarks of active reservoir management, because those members of the team responsible for deriving the notional development plans for individual models via reservoir simulation, and computing the recoveries, had to work in parallel with others under time and budget constraints.<\/jats:p>\n          <jats:p>This paper describes the way the reservoir engineering was carried out to achieve these objectives, the assumptions made, the reasoning behind them, and how the principles could be used in other studies. Sample results are also presented, although the bulk of the results are presented in other papers in the project series. One surprising result was that faults that impede flow can improve recovery. The underlying physical explanation for this behaviour is provided.<\/jats:p>","DOI":"10.1144\/1354-079307-791","type":"journal-article","created":{"date-parts":[[2008,10,14]],"date-time":"2008-10-14T21:01:30Z","timestamp":1224018090000},"page":"35-44","update-policy":"https:\/\/doi.org\/10.1144\/crossmark-policy","source":"Crossref","is-referenced-by-count":33,"title":["Assessing the effect of geological uncertainty on recovery estimates in shallow-marine reservoirs: the application of reservoir engineering to the SAIGUP project"],"prefix":"10.1144","volume":"14","author":[{"given":"John D.","family":"Matthews","sequence":"first","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College, London SW7 2BP, UK()"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jonathan N.","family":"Carter","sequence":"additional","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College, London SW7 2BP, UK()"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Karl D.","family":"Stephen","sequence":"additional","affiliation":[{"name":"Institute of Petroleum Engineering, Heriot-Watt University, Edinburgh EH9 9NX, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert W.","family":"Zimmerman","sequence":"additional","affiliation":[{"name":"Department of Earth Science and Engineering, Imperial College, London SW7 2BP, UK()"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Arne","family":"Skorstad","sequence":"additional","affiliation":[{"name":"Norwegian Computing Center, PO Box 114 Blindern, N-0314 Oslo, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tom","family":"Manzocchi","sequence":"additional","affiliation":[{"name":"Fault Analysis Group, UCD School of Geological Sciences, University College Dublin, Belfield, Dublin 4, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John A.","family":"Howell","sequence":"additional","affiliation":[{"name":"Department of Earth Science\/Centre for Integrated Petroleum Research, University of Bergen, Allegt. N-5007 Bergen, Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1881","published-online":{"date-parts":[[2022,6,6]]},"reference":[{"key":"e_1_3_2_1_1","doi-asserted-by":"publisher","DOI":"10.1144\/1354-079307-788"},{"key":"e_1_3_2_2_1","first-page":"358","year":"1985","unstructured":"Castle, G.R.Assessment of North Sea Field Performance. Petroleum Economist, October 1985. 358\u2013359.","journal-title":"Petroleum Economist"},{"key":"e_1_3_2_3_1","unstructured":"Craig F.F. The Reservoir Engineering Aspects of Waterflooding. SPE Monograph 30 1980. Society of Petroleum Engineers Dallas."},{"key":"e_1_3_2_4_1","doi-asserted-by":"crossref","unstructured":"Eigestad G. T. & Larsen J. A. 2000. Numerical Modelling of Capillary Transition Zone. Paper SPE 64374 presented at the Asia Pacific Oil and Gas Conference and Exhibition Brisbane 15\u201318 October","DOI":"10.2118\/64374-MS"},{"key":"e_1_3_2_5_1","doi-asserted-by":"crossref","unstructured":"Flint S. Howell J.A. 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