Download Geological exploration in Murzuq Basin: the Geological by D. Worsley, M.A. Sola PDF

By D. Worsley, M.A. Sola

The Murzuq Basin is a big intracratonic sag basin situated in southwestern Libya. Exploration efforts begun during this colossal and distant Saharan zone already in 1957 and 60 exploratory wells were drilled so far, leading to over 20 discoveries with round 4,000 million barrels of oil in position. such a lot discoveries were made in Ordovician sandstone reservoirs sourced by means of sizzling shales of the decrease Silurian Tanezzuft Formation. Oil is already being produced and exported from the realm, however the basin's overall hydrocarbon capability remains to be poorly understood. fresh exploration - in particular the foremost discovery and preliminary improvement of the large "Elephant" box - has significantly elevated curiosity for the area's power. Many petroleum geologists and corporations now think that the basin may possibly become a brand new significant hydrocarbon province with the intention to considerably give a contribution to Europe's strength wishes within the subsequent decades.

This ebook provides papers from a convention held at Sebha collage - at the jap margins of the Murzug Basin - in September 1998. The booklet maintains an ongoing sequence of displays of the geology of Libya, however the 25 contributions herein normally centre at the Murzuq Basin itself and on within reach parts. There are nonetheless many unresolved questions when it comes to geological and hydrocarbon exploration in those tricky barren region parts, however the papers herein will expectantly current a primary complete evaluation of a thrilling frontier exploration area. approximately half the papers are at once with regards to hydrocarbon exploration, and to resource rock and reservoir improvement, yet a wide selection of different positive factors also are defined, starting from palaeontology and biostratigraphy to ore geology and water assets, protecting the full geological column from the Precambrian to the Holocene. The publication concludes with a bibliography protecting all geological facets of this not easy yet very promising frontier quarter.

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Additional info for Geological exploration in Murzuq Basin: the Geological Conference on Exploration in the Murzuq Basin held in Sabha, September 20-22, 1998

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W. (1996). High-resolution stratigraphy of the Newark rift basin (early Mesozoic, Eastern North America). Geol. Soc. Amer. , 108, 40-77. B. L. (1993). Sulphidization and magnetisation above hydrocarbon reservoirs. M. E Hurley (Eds). M. Spec. , 49, 167-179. J. (1993). Triassic-Jurassic megasequence stratigraphy in the Northern North Sea: Rift to postrift evolution. R. ), Geological Society, London, 299-315. THOMPSON, R. and OLDFIELD, E (1986). Environmental Magnetism. Allen and Unwin, London, 227 p.

This often shows an angular discordance of 2 ~ to 5 ~ between underlying and overlying units, but in one locality (near In Ezzan), the angular unconformity is reported to reach 45 ~ The Tadrart Formation here shows the typical facies of cross-bedded or cross-laminated sands, coarse sandstones and granular to conglomeratic sandstones. Thinly bedded siltstones in the middle of the section show ripple-marks and an ichnofacies with the trace fossils Fraena, Palaeophycus, Skolithos, diverse bilobate fucoids, and rare Spirophyton.

04 mm/a. no 2 Norwegian Petroleum Directorate, N-4000, Stavanger, Norway 18 C. A. Lundschien Pangea supercontinent. Biostratigraphical data is sparse and restricted to rare occurrences of palynomorphs. A stratigraphic framework for these sediments has therefore been lacking. The work presented here was carried out with the purpose of establishing such a framework using magnetostratigraphy. The palaeomagnetic study was carried out on four well cores from the Snorre oil field in the northern North Sea area (Fig.

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