GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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21:41 Jan 28, 2003 |
Spanish to English translations [PRO] Tech/Engineering | |||||||
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| Selected response from: José Luis Villanueva-Senchuk (X) Argentina Local time: 15:05 | ||||||
Grading comment
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Summary of answers provided | ||||
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5 +1 | (hydrocarbon//oil) plays in Cretaceous and Jurassic periods |
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5 +1 | Plays |
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(hydrocarbon//oil) plays in Cretaceous and Jurassic periods Explanation: Good luck, JL "Matruh Basin: Hydrocarbon Plays in an Inverted Jurassic-Cretaceous Rift Basin in the Northern Western Desert of Egypt Adel R. Moustafa1, Ahmed N. El-Barkooky2, Asem Mahmoud3, Ahmed M. Badran4, Mohamed A. Helal4, Magda Nour El Din4, and Hosam Fathy4. (1) Department of Geology, Ain Shams University, Cairo, 11566, Egypt, phone: (202) 271 0739 Home, [email protected], (2) Geology Department, Cairo University, Cairo, Egypt, (3) Exploration, BAPETCO, 127, Abd El Aziz Fahmy St. Heliopolis, P.O.Box 5958 Heliopolis, Cairo, Egypt, (4) Shell Egypt, Cairo, Egypt Matruh basin is a large Jurassic-Early Cretaceous passive rift in the northern Western Desert with a unique NNE-SSW orientation inherited from reactivated Paleozoic fabric. Eastwards dipping and thickening Jurassic/Lower Cretaceous syn-rift sediments contain excellent reservoir/source rock combination. TOC values are up to 10% in the Jurassic, 5% in the Lower Cretaceous, and 75% in some coal seams. Two main rifting phases are recognized in the Jurassic and Early Cretaceous. In the early stage of Jurassic rifting, fluvio-lacustrine conditions with frequent subaerial exposure deposited red beds associated with minor volcanicity. Block faulting and tilting controlled the distribution of fluvial deposits. Basinal conditions prevailed in the Middle-Late Jurassic. Resumed rifting in the Early Cretaceous deposited thick mature sands with excellent reservoir quality. Late Cretaceous-Early Tertiary positive tectonic inversion of the basin formed NNE-oriented fault-propagation folds dissected by NW-oriented normal faults. The latter dissect the Upper Cretaceous post-rift rocks and die out in Albian clastics whereas the rift-parallel NNE faults dissect the underlying syn-rift rocks. The NNE-oriented folds form excellent structural traps in four fields in the basin producing mainly gases with some oil and condensates. Combination traps at the western flank of the basin include syn-rift sands derived from nearby Paleozoic highs and deposited at the Paleozoic-Mesozoic unconformity within gently dipping, down-faulted areas. Total discovered gas reserves in the basin are about 3 tcf. However, several structural traps have yet to be tested and other reservoir units represent the future for hydrocarbon plays in the basin." -------------------------------------------------- Note added at 2003-01-28 21:48:53 (GMT) -------------------------------------------------- Este enlace es EXCELENTE: http://www.em.gov.bc.ca/Mining/Geolsurv/Publications/GeoFile... |
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Plays Explanation: 1. n. [Geology] 398 An area in which hydrocarbon accumulations or prospects of a given type occur. 1. vt. [Geology] 400 To pursue hydrocarbon accumulations of a given type. See: accumulation, exploration play, hydrocarbon 2. n. [Geology] 399 A conceptual model for a style of hydrocarbon accumulation used by explorationists to develop prospects in a basin, region or trend and used by development personnel to continue exploiting a given trend. A play (or a group of interrelated plays) generally occurs in a single petroleum system. Technical term, no translation into English is required. Reference: http://www.glossary.oilfield.slb.com/Display.cfm?Term=play |
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