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Regional Character Of The Lower Tuscaloosa Formation Depositional Systems And Trends In Reservoir Quality
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Book Synopsis Regional Character of the Lower Tuscaloosa Formation Depositional Systems and Trends in Reservoir Quality by : Kurtus Steven Woolf
Download or read book Regional Character of the Lower Tuscaloosa Formation Depositional Systems and Trends in Reservoir Quality written by Kurtus Steven Woolf and published by . This book was released on 2012 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: For decades the Upper Cretaceous Lower Tuscaloosa Formation of the U.S. Gulf Coast has been considered an onshore hydrocarbon play with no equivalent offshore deposits. A better understanding of the Lower Tuscaloosa sequence stratigraphic and paleogeographic framework, source-to-sink depositional environments, magnitude of fluvial systems, regional trends in reservoir quality, and structural influences on its deposition along with newly acquired data from offshore wells has changed this decades-long paradigm of the Lower Tuscaloosa as simply an onshore play. The mid-Cenomanian unconformity, underlying the Lower Tuscaloosa, formed an extensive regional network of incised valleys. This incision and accompanying low accommodation allowed for sediment bypass and deposition of over 330 m thick gravity-driven sand-rich deposits over 400 km from their equivalent shelf edge. Subsequently a transgressive systems tract comprised of four fluvial sequences in the Lower Tuscaloosa Massive sand and an overlying estuarine sequence (Stringer sand) filled the incised valleys. Both wave- and tide-dominated deltaic facies of the Lower Tuscaloosa are located at the mouths of incised valleys proximal to the shelf edge. Deltaic and estuarine depositional environments were interpreted from impoverished trace fossil suites of the Cruziana Ichnofacies and detailed sedimentological observations. The location and trend of valleys are controlled by basement structures. Lower Tuscaloosa rivers were 3.8m - 7.8m deep and 145m - 721m wide comparable to the Siwalik Group outcrop and the modern Missouri River. These systems were capable of transporting large amounts of sediment indicating the Lower Tuscaloosa was capable of transporting large amounts of sediments to the shelf edge for resedimentation into the deep offshore. Anomalously high porosity (>25%) and permeability (>1200md) in the Lower Tuscaloosa at stratigraphic depths below 20,000 ft. are influenced by chlorite coating the detrital grains. Chlorite coatings block quartz nucleation sites inhibiting quartz cementation. Chlorite coats in the Lower Tuscaloosa are controlled by the presence and abundance of volcanic rock fragments supplying the ions needed for the formation of chlorite. Chlorite decrease to the east in sediments derived from the Appalachian Mountains. An increase in chlorite in westward samples correlates with an increase of volcanic rock fragments derived from the Ouachita Mountains.
Book Synopsis Directory of Geoscience Departments 2015 by : Carolyn Wilson
Download or read book Directory of Geoscience Departments 2015 written by Carolyn Wilson and published by American Geosciences Inst. This book was released on 2015-02-27 with total page 2140 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Directory of Geoscience Departments 50th Edition is the most comprehensive directory and source of information about geosciences departments and researchers available. It is an invaluable resource for individuals working in the geosciences or must identify or work with specialists on the issues of Earth, Environmental, and related sciences and engineering fields. The Directory of Geoscience Departments 50th Edition provides a state/country-sorted listing of nearly 2300 geoscience departments, research departments, institutes, and their faculty and staff. Information on contact information for departments and individuals is provided, as well as details on department enrollments, faculty specialties, and the date and source of faculty and staff's highest degree. New in the 50th edition: Listing of all US and Canadian geoscience theses and dissertations accepted in 2012 that have been reported to GeoRef Information Services, as well as a listing of faculty by their research specialty.
Book Synopsis Field Excursions from the 2021 GSA Section Meetings by : Joan Florsheim
Download or read book Field Excursions from the 2021 GSA Section Meetings written by Joan Florsheim and published by Geological Society of America. This book was released on 2021-11-10 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Depositional Systems and Controls on Reservoir Quality (determined from Core Data) in Deeply Buried Tertiary Strata in the Texas-Louisiana Gulf of Mexico by : William A. Ambrose
Download or read book Depositional Systems and Controls on Reservoir Quality (determined from Core Data) in Deeply Buried Tertiary Strata in the Texas-Louisiana Gulf of Mexico written by William A. Ambrose and published by . This book was released on 2013 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Depositional Environment and Reservoir Delineation of the Lower Tuscaloosa Formation (Upper Cretaceous) by : Michael Edward O'Friel
Download or read book Depositional Environment and Reservoir Delineation of the Lower Tuscaloosa Formation (Upper Cretaceous) written by Michael Edward O'Friel and published by . This book was released on 1993 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of the Depositional Systems, Lithofacies, Diagenesis, and Reservoir Quality of the Lower Cretaceous Pettet Limestone Reservoir Section of the Wright Mountain Field in the East Texas Basin by : Colton S. Spears
Download or read book Analysis of the Depositional Systems, Lithofacies, Diagenesis, and Reservoir Quality of the Lower Cretaceous Pettet Limestone Reservoir Section of the Wright Mountain Field in the East Texas Basin written by Colton S. Spears and published by . This book was released on 2020 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Pettet Limestone of the Wright Mountain field on the northeastern flank of the East Texas Basin in Smith County, Texas has been a carbonate hydrocarbon reservoir for nearly 70 years. The Upper Sligo interval (Pettet Limestone) was deposited during the lower most part of the Aptian composite section (124 to ~123 Ma) putting the Pettet carbonate strata in a transgressive setting that onlapped continental to shallow marine siliciclastics. The goals of this investigation include: (1) defining the regional and local depositional setting, (2) characterizing the carbonate and siliciclastic lithofacies that compose the section, (3) creating a depositional model that explains the lithofacies in the cored Pettet B and C units, (4) characterizing the type and abundance of organic matter within the lithofacies, (5) describing the paragenesis of the lithofacies, and (6) evaluating the pore types and reservoir quality of the different lithofacies. The depositional model is developed to help understand comparable skeletal oolitic lime packstone and grainstone deposits occurring in other oil and gas fields. After investigation, the Pettet Limestone of the Wright Mountain field was deemed an off-shoal complex (lateral to shoal body). The Pettet B and C units show evidence of a shoaling upward sequence but not necessarily into complete shoal-water complexes (higher energy carbonate shallow-water complexes). The model proposed suggests the Pettet B and C were deposited laterally adjacent to the shoal, in a slightly deeper, lower-energy setting towards the bottom of fair-weather wave base. Products of resedimentation are present in the Pettet Limestone and are likely results of storm remobilization, transport, and subsequent deposition
Download or read book Fossil Energy Update written by and published by . This book was released on 1984 with total page 804 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regional Geologic Study and Reservoir Evaluation of the Lower Tuscaloosa, Missippi and Louisiana by : Reservoirs, Inc
Download or read book Regional Geologic Study and Reservoir Evaluation of the Lower Tuscaloosa, Missippi and Louisiana written by Reservoirs, Inc and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Regional Geologic Study and Reservoir Evaluation of the Lower Tuscaloosa, Missippi and Louisiana by :
Download or read book Regional Geologic Study and Reservoir Evaluation of the Lower Tuscaloosa, Missippi and Louisiana written by and published by . This book was released on 1985 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relationships Between Diagenesis and Depositional Environments, Lower Tuscaloosa Formation, Southwestern Mississippi and Southeastern Louisiana by : Frank Martin
Download or read book Relationships Between Diagenesis and Depositional Environments, Lower Tuscaloosa Formation, Southwestern Mississippi and Southeastern Louisiana written by Frank Martin and published by . This book was released on 1988 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Gulf of Mexico Sedimentary Basin by : John W. Snedden
Download or read book The Gulf of Mexico Sedimentary Basin written by John W. Snedden and published by Cambridge University Press. This book was released on 2019-11-21 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and richly illustrated overview of the Gulf of Mexico Basin, including its reservoirs, source rocks, tectonics and evolution.
Book Synopsis Petroleum Abstracts. Literature and Patents by :
Download or read book Petroleum Abstracts. Literature and Patents written by and published by . This book was released on 1990 with total page 1416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Petroleum Abstracts written by and published by . This book was released on 1993 with total page 1752 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Depositional and Diagenetic Controls on Reservoir Quality and Their Petrophysical Predictors Within the Upper Cretaceous (Cenomanian) Doe Creek Member of the Kaskapau Formation at Valhalla Field, Northwest Alberta by : Nathaniel H. Ball
Download or read book Depositional and Diagenetic Controls on Reservoir Quality and Their Petrophysical Predictors Within the Upper Cretaceous (Cenomanian) Doe Creek Member of the Kaskapau Formation at Valhalla Field, Northwest Alberta written by Nathaniel H. Ball and published by . This book was released on 2009 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt: Valhalla Field, discovered in 1979 and located in northwest Alberta, produces from the Upper Cretaceous Doe Creek Member of the Kaskapau Formation. Original reserves in place are 44 x 106m3 of oil, of which 10.3 x 106m3 of oil (82% of recoverable reserves) have been produced (ERCB, 2008). This study evaluates the depositional and diagenetic controls on reservoir quality within the Doe Creek at Valhalla Field in order to identify reservoir-prone facies and predict their distribution in wells lacking core. Analysis of core and well log data indicates that intervals of highest reservoir quality are preferentially associated with thin (meter-scale) sandstone bodies deposited in proximal lower and upper shoreface environments. Based upon the relationships of facies to deep resistivity, mud content as gamma-ray derived shale volume, and density-neutron porosity separation within cemented zones, a well log transform was created that successfully predicts the distribution of reservoir-prone facies and calcite cement.
Book Synopsis Expanded Abstracts with Biographies by :
Download or read book Expanded Abstracts with Biographies written by and published by . This book was released on 1987 with total page 938 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comprehensive Index of the Publication of the ... Association by : American Association of Petroleum Geologists
Download or read book Comprehensive Index of the Publication of the ... Association written by American Association of Petroleum Geologists and published by . This book was released on 1981 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Predicting Diagenetic History and Reservoir Quality in the Frio Formation of Brazoria County, Texas and Pleasant Bayou Test Wells by :
Download or read book Predicting Diagenetic History and Reservoir Quality in the Frio Formation of Brazoria County, Texas and Pleasant Bayou Test Wells written by and published by . This book was released on 1981 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Good-quality geothermal reservoirs displaying secondary porosity exist on the upper Texas coast (Brazoria County), site of the Pleasant Bayou No. 1 and No. 2 wells, and are attributed to a moderately stable mineral assemblage, normal geothermal gradients, and low in situ pH. Major authigenic minerals are calcite, quartz, and kaolinite. Detrital feldspar has been extensively albitized at depth. Major diagenetic events overlapped, occurring in the general order-precipitation of calcite, formation of quartz overgrowths, albitization, leaching of calcite to form secondary porosity, and precipitation of kaolinite. Seventeen Brazoria County water analyses including two from the Pleasant Bayou No. 2 well were thermodynamically tested. Predictions based on equilibrium thermodynamics add new insight on mineral stabilities and are consistent with the paragenetic sequence developed from petrographic data. Early precipitation of calcite at shallow depths of burial is predicted. Low temperture and low in situ pH explain the general absence of chlorite. The use of solution-mineral equilibria as a predictor of reservoir quality is inconclusive, but well-defined clustering of waters indicates that identification of regional trends will probably be possible. Shallow waters may be the key to predicting reservoir quality at depth.
