Successful exploration of a large-scale sandstone injection complex, Block 24/9, Norwegian North Sea

Peter B. Rawlinson; Wytze De Boer; Andrew Hurst

Successful exploration of a large-scale sandstone injection complex, Block 24/9, Norwegian North Sea

Peter B. Rawlinson^*, Wytze De Boer, Andrew Hurst

^*Corresponding author for this work

Marathon Oil

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

Abstract

Exploration well 24/9-7 was drilled by Marathon Oil and its co-venturers on Norwegian licence PL 150 during the first quarter of 2004. The well targeted a series of distinct seismic amplitude anomalies, markedly discordant to the general structural trend. These anomalies had been interpreted as a large-scale sandstone injection complex. Seismic modeling indicated that the best explanation for the bright amplitudes observed was that they were generated by oil-filled, highly porous intrusive sandstone dykes and sills. The data collected from well 24/9-7 (and three subsequent sidetracks) proved this model to be essentially correct. The drilling of the Hamsun prospect resulted in a significant oil discovery with an associated gas cap.

Original language	English
Title of host publication	67th European Association of Geoscientists and Engineers, EAGE Conference and Exhibition, incorporating SPE EUROPEC 2005
Subtitle of host publication	Extended Abstracts
Publisher	Society of Petroleum Engineers
Pages	1119-1122
Number of pages	4
ISBN (Print)	9073781981, 9789073781986
Publication status	Published - 1 Jan 2005
Event	67th European Association of Geoscientists and Engineers, EAGE Conference and Exhibition, incorporating SPE EUROPEC 2005 - Extended Abstracts - Feria de Madrid, Spain Duration: 13 Jun 2005 → 16 Jun 2005

Conference

Conference	67th European Association of Geoscientists and Engineers, EAGE Conference and Exhibition, incorporating SPE EUROPEC 2005 - Extended Abstracts
Country/Territory	Spain
City	Feria de Madrid
Period	13/06/05 → 16/06/05

Bibliographical note

67th European Association of Geoscientists and Engineers Conference and Exhibition 2005: The Challenge of Discovery. Incorporating SPE EUROPEC 2005

Cite this

Successful exploration of a large-scale sandstone injection complex, Block 24/9, Norwegian North Sea. / Rawlinson, Peter B.; De Boer, Wytze; Hurst, Andrew.
67th European Association of Geoscientists and Engineers, EAGE Conference and Exhibition, incorporating SPE EUROPEC 2005: Extended Abstracts. Society of Petroleum Engineers, 2005. p. 1119-1122.

Research output: Chapter in Book/Report/Conference proceeding › Published conference contribution

Rawlinson, PB, De Boer, W & Hurst, A 2005, Successful exploration of a large-scale sandstone injection complex, Block 24/9, Norwegian North Sea. in 67th European Association of Geoscientists and Engineers, EAGE Conference and Exhibition, incorporating SPE EUROPEC 2005: Extended Abstracts. Society of Petroleum Engineers, pp. 1119-1122, 67th European Association of Geoscientists and Engineers, EAGE Conference and Exhibition, incorporating SPE EUROPEC 2005 - Extended Abstracts, Feria de Madrid, Spain, 13/06/05.

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abstract = "Exploration well 24/9-7 was drilled by Marathon Oil and its co-venturers on Norwegian licence PL 150 during the first quarter of 2004. The well targeted a series of distinct seismic amplitude anomalies, markedly discordant to the general structural trend. These anomalies had been interpreted as a large-scale sandstone injection complex. Seismic modeling indicated that the best explanation for the bright amplitudes observed was that they were generated by oil-filled, highly porous intrusive sandstone dykes and sills. The data collected from well 24/9-7 (and three subsequent sidetracks) proved this model to be essentially correct. The drilling of the Hamsun prospect resulted in a significant oil discovery with an associated gas cap.",

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AB - Exploration well 24/9-7 was drilled by Marathon Oil and its co-venturers on Norwegian licence PL 150 during the first quarter of 2004. The well targeted a series of distinct seismic amplitude anomalies, markedly discordant to the general structural trend. These anomalies had been interpreted as a large-scale sandstone injection complex. Seismic modeling indicated that the best explanation for the bright amplitudes observed was that they were generated by oil-filled, highly porous intrusive sandstone dykes and sills. The data collected from well 24/9-7 (and three subsequent sidetracks) proved this model to be essentially correct. The drilling of the Hamsun prospect resulted in a significant oil discovery with an associated gas cap.

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ER -

Successful exploration of a large-scale sandstone injection complex, Block 24/9, Norwegian North Sea

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