About us sequence stratigraphy and sedimentology consulting. Sequence stratigraphy has developed over the last four decades through. Sequence stratigraphy of the beachridge complex shown in eastwest cross section. The video shows some of the field evidence for sealevel change and how the sequence stratigraphy model has been applied to this shallowmarine and fluvial succession. In 1995 he took a faculty position in liverpool as part of the stratigraphy research group. A panoramic of the book cliffs best shallow marine clastic. Towards a sequence stratigraphic solution set for autogenic. Facies analysis and sequence stratigraphic framework of upper. Book cliff panorama s9 road mesa verde group sequence stratigraphy stacked coastal reservoir seal pairs parasequences sand shaleout stoiip estimation aquifer characteristics fdp concept coal gulch book cliffs depositional setting coal measures sequence stratigraphy coal bed methane developments. Together with his experience from spdc shell nigeria, simon effectively demonstrated both theoretical and applied aspects at all levels in a clear, concise and thoughtful manner.
The book cliffs contain shallow marine and fluvial strata exposed along a cliff face that is about 300 meters tall and runs for 300 km between colorado and utah in the us. A panoramic of the book cliffs best shallow marine. Outcrop analogs for fluviodeltaic and shorefacetoshelf hydrocarbon reservoirs. Sequence stratigraphy of transitional systems book cliffs, utah this field course aims at teaching sedimentology and sequence stratigraphy at an introductory level and illustrate how this can and should be used as a powerful tool both in reservoir description and prediction at various scales.
Exercise 4the objective of this exercise is to continue learning how to identify vertical sets of parasequence s in clastic sections again from measured sections in the book cliffs while extending this to use of parasequence s and walther s law to determine the depositional setting of a series of shoreline facies and to determine non. Outcrop data from the fluviodeltaic sequence of the book cliffs utah are used for the geological and petrophysical twodimensional model. Simon provides expertise in the areas of sedimentology, sequence stratigraphy and reservoir geologymodelling and has considerable knowledge of the book cliffs. Our field trips are offered in a variety of geographic locations including the book cliffs of utah, modern carbonate beaches in bali and qatar, the salt range in pakistan, the colorado front range, the modern indus delta and more. Hgs general lunch how close is geological thought to reality. Reservoir characterization of deep water systems ainsa. Recognition of highfrequency sequences in the kenilworth member of the blackhawk formation, book cliffs, utah. Facies analysis and sequence stratigraphic framework of upper campanian strata neslen and mount garfield formations, bluecastle tongue of the castlegate sandstone, and mancos shale, eastern book cliffs, colorado and utah by mark a. Nevertheless, because sequence stratigraphy was derived from the study of marine passive continental margin basins, its.
We teach a wide range of geoscience field trips, geology field trips, geology field courses, geoscience field courses in the book cliffs of colorado, modern carbonates in bali and qatar, the modern indus delta and the salt range. The initial exercise is followed by the examination of the stacking patterns of the parasequences. Recognition of highfrequency sequences in the kenilworth member of the blackhawk formation, book cliffs, utah subject group. Sequence stratigraphy and plain channel architecture of the. Tectonic setting, stratigraphy, and sedimentology of the book cliffs8. Thus the lower surface of each of the parasequence s cycle is the base of the deeper lithofacies layer that overlies the top of a shallowing upward cycle. Pdf the castlegate sandstone of the book cliffs, utah. They follow instructions to construct a measured section. Sequence stratigraphy and characterization of carbonate reservoirs sepm short course notes. Sedimentary processes and sequence stratigraphy of lake.
Sequence stratigraphy of the book cliffs of eastern utah. Sequence stratigraphy of transitional systems book. Alongside 3d seismic, longreach horizontal drilling and the application of plate tectonics to exploration, sequence stratigraphy has been one of the greatest scientific advances within the petroleum geology industry of the last 50 years. Sedimentology and stratigraphy american association of. Sequence stratigraphy and characterization of carbonate reservoirs reservoir management is an important topic in the oil industry today. Processes controlling relative sealevel change and sediment supply6. Many times these concretions are quite fossiliferous while others contain beautiful crystals of barite andor calcite. Stratigraphic reservoir characterization for petroleum. Formal definitions of a sequence a relatively conformable succession of genetically related strata bounded at their upper surface and base by unconformities and their correlative conformities vail, et al. Tectonic setting, stratigraphy, and sedimentology of the book cliffs 8. The book cliffs, utah have become the premier locality globally for field teaching of sequence stratigraphy. Distribution of reservoir and nonreservoir facies in a predictive sequence stratigraphic framework.
Sequence stratigraphy, paleogeography, and tectonic controls, authorandrew d. Cretaceous wave dominated delta systems, book cliffs, eastcentral utah. The book cliffs have preserved excellent strata of the foreland basin of the ancient western interior seaway that stretched north from the gulf of mexico to the yukon in the cretaceous time. Because of the overwhelming mass of information most reservoir geoscientists keep up with either some aspects of sequencestratigraphy, or some aspects of reservoir characterization, but typically not both. Three sequence boundaries are interpreted, which are consistent, but not demonstrably correlative, with observations in the book cliffs area in utah willis 2000. Sequence stratigraphy of transitional systems book cliffs, utah this field course aims at teaching sedimentology and sequence stratigraphy at an introductory level and illustrate how this can and should be used as a powerful tool both in reservoir description and. Pattison is professor of geology at brandon university where he specializes in marginal to shallowmarine clastic sedimentology, sedimentary architecture, sequence stratigraphy, and reservoir modelling. This video is a virtual field trip to one of the classic locations in the world book cliffs, utah, usa where the sequence stratigraphy method was developed and tested. Free web tutorials sequence stratigraphy, tutorials carbonate petrology.
Their stratal architectures are classically interpreted in terms of accommodation controls that were external to the sediment routing system allogenic, and that forced the formation of flooding surfaces. Siliciclastic sequence stratigraphy in well logs, cores. Sequence stratigraphy american association of petroleum. Purchase stratigraphic reservoir characterization for petroleum geologists, geophysicists, and engineers, volume 61 2nd edition. Facies analysis and sequence stratigraphic framework of. Book cliffs data sets are often used as outcrop analogues for similar subsurface settings worldwide. The exercises below involve the analysis of parasequence from outcrops. Highresolution sequence stratigraphy of cretaceous shallow. He is writing a second edition of the field safety book. Components of deltaic and shallow marine reservoirs are very well preserved in the book cliffs. Stratigraphy and sedimentation of the book cliffs, utah. The campanian book cliffs strata of eastern utah and western colorado has been used to develop, test and refine sedimentological and stratigraphic ideas and models over the years, including the principles and concepts of sequence stratigraphy.
We offer discounted rates for groups and difficult situations, such as unemployment, under employment, or limited company support. He then moved to liverpool, where he completed postdoctoral studies on sequence stratigraphy of the upper jurassic reservoirs in the north sea and the book cliffs of utah. Geology field trips geoscience field courses applied. Their stratal architectures are classically interpreted in terms of accommodation controls that were external to the sediment routing system allogenic, and that forced the. The book cliffs of east central utah provide excellent exposure in which to test and further the concepts of sequence stratigraphy within both marine and marginal marine depositional systems. Thompson canyon, blackhawk formation and castlegate sandstone. No evidence for sea level fall in the cretaceous strata of the book. Using sequencestratigraphic tools to find and develop.
May 20, 2016 stratigraphy is the science of the layered character of rocks, be these sedimentary, volcanic, metamorphic, or igneous rocks. A good appreciation of the nature of reservoir and nonreservoir rocks in the subsurface is of fundamental importance to sound ep decision making. Current sequence stratigraphic models deal with stratal packages mostly along. Bookcliffs high frequency clastic parasequence sets after coe et al, 2003. Sequence stratigraphy and characterization of carbonate. Quantification of reservoir geometries and facies proportions. This paper presents a sequence stratigraphic framework of the incisedvalley strata within the late messinian abu madi formation based on seismic and borehole data. Most sequence stratigraphy trips are run in the book cliffs along the coloradoutah border, however our trip is run on outcrops that are well studied yet rarely frequented by others.
Highresolution sequence stratigraphy of cretaceous shallow marine sandstones, book cliffs outcrops. Sequence stratigraphy of transitional systems book cliffs. Sequence stratigraphy, paleogeography, and tectonic controls article in journal of sedimentary research 714. The book cliffs of eastern utah and western colorado figs. Dos and donts of using outcrops as reservoir analogs. We are based in colorado, usa with offices in westminster and ouray. In exercise 2, students work either with polarized microscopic photographs linked online to specific units in their measured section or directly.
However, the sego sandstone member in the study area records an upsection evolution of depositional environments, which differs from what has been interpreted in the book. Eight depositional environments are populated with average petrophysical reservoir properties adopted from a north sea field. Introduction sequence stratigraphy and characterization. The desert member of the blackhawk formation and the castlegate sandstone in the book cliffs of utah and colorado were analyzed to develop a model of sequence stratigraphy and facies architecture. Bohacs is the coauthor and editor of books on sequence stratigraphy, lacustrine hydrocarbon reservoirs, and field safety. Sequence stratigraphy an overview sciencedirect topics. Within a study of the sunnyside member of the blackhawk formation spectral gamma ray profiles were run through 12 of the measured sections. Apr 30, 2016 the book cliffs contain shallow marine and fluvial strata exposed along a cliff face that is about 300 meters tall and runs for 300 km between colorado and utah in the us. Expression of sequence stratigraphy in outcrop, the book cliffs, utah. The sequence boundary and maximum flooding surface coincide under the eastern part of the complex, but the flooding surface rises to the west because deposition began near the till bluff before the postchippewahighstand was achieved modified from fraser and. Sequence stratigraphy is a branch of geology that attempts to subdivide and link sedimentary deposits into unconformity bound units on a variety of scales and explain these stratigraphic units in terms of variations in sediment supply and variations in the rate of change in accommodation space relative sea level, the combination of eustatic sea level and tectonic subsidence. These rocks are direct analogues to many clastic reservoirs worldwide, including. The mancos formation and its stratigraphic equivalent to the east known as the pierre shale, often contain concretions.
He has nineteen years of experience in sedimentology and stratigraphy related projects in the north sea, lower and middle indus basins, barents sea, offshore east and west africa, offshore midnorway, kohatpotohar basin. Faciessequence stratigraphy, desertcastlegate, crescent canyon horse heaven. The reason for choosing these is unlike the primarily horizontal strata of the book cliffs where one is almost always standing at the base of a cliff where all the key sequence stratigraphic surfaces are developed on top of the cliff, the outcrops in northern colorado and wyoming are tilted between 6090 degrees. Sequence stratigraphy field trip applied stratigraphix. Sequence stratigraphy and characterization of carbonate reservoirs sepm short course notes kerans, c on. Evaluate reservoir geometry and connectivity in different eods.
Our strategic locations allow close access to the usgs national core repository in lakewood, fantastic outcrops in the front range and wyoming, and the book cliffs of utah. The desert member of the blackhawk formation and the castlegate sandstone in the book cliffs of utah and colorado were analyzed to develop a model of. Regional highresolution correlations of the campanian desert member of the blackhawk formation to the lower castlegate sandstone interval, book cliffs, utahcolorado, show no evidence for a single, throughgoing unconformity separating the amalgamated channel sandstones of the castlegate from the underlying blackhawk formation coastalplain deposits. Sequence stratigraphy, a branch of sedimentary stratigraphy, is a methodology that uses the order sedimentary strata accumulated within a framework of major depositional and erosional surfaces to interpret the depositional setting of clastic and carbonate sediments from. Hgs general lunch how close is geological thought to. Upper cretaceous strata exposed in the book cliffs of eastcentral utah are widely used as an archetype for the sequence stratigraphy of marginalmarine and shallowmarine deposits. Gulf coast, but other well known grainstones that contain hydrocarbon reservoirs are the san andres formation in the permian basin and the arab d formation which forms the reservoir facies of the worlds largest field, ghawar.
Conferences, forums, short courses, and technical papers, written and attended by engineers, geologists, geophysicists, petrophysicists, and managers discuss various aspects of reservoir management. Interpret sequence stratigraphic surfaces in outcrop, logs, and seismic in dw settings and related to vertical stacking of facies. Siliciclastic sequence stratigraphy in well logs, cores, and. Upper cretaceous strata exposed in the book cliffs of eastcentral utah are. Flint, 1999, a sedimentological and sequence stratigraphic reinterpretation of the upper cretaceous prairie canyon member mancos b and associated strata, book cliffs area, utah, u. Sequence stratigraphy applications to shelf sandstone reservoirs. Understanding sequence stratigraphy architecture in the incisedvalley is a crucial step to understanding the effect of relative sea level changes on reservoir characterization and architecture. The parasequences are separated from each other using subdividing major surfaces that include ts transgressive surfaces, mfs maximum flooding surface, and sb sequence boundary. Publication date 1997 series sepm short course notes. Continuous, wellexposed and easilyaccessible outcrops make it possible to analyze facies relationships of stratigraphic sequences in great detail, both in terms of lateral variation systems tracts and vertical stacking patterns.
Sedimentary geology a blog about the principles, processes. Outcropbased sequence stratigraphy and reservoir characterization of an upper mississippian mixed carbonatesiliciclastic ramp, mayes county, oklahoma by scott andrew shelley bachelor of science in geology oklahoma state university stillwater, ok 2014 submitted to the faculty of the graduate college of the oklahoma state. Link from outcrop to subsurface via well logs, core, and synthetic seismic from book cliffs equivalentstrata. He has received many best paper citations and awards including aapg honorary member and aapgs berg award for outstanding research and served as distinguished. The topic of this course is the process of sequencestratigraphic interpretation and characterization of carbonate reservoirs. Highresolution sequence stratigraphy of cretaceous. Sequence stratigraphic controls on reservoir characterization. Because sequence stratigraphy is effective for predicting stratigraphic reservoirs, the relevant theories and technologies about sequence stratigraphy in foreign countries were introduced to china starting in the early 1980s. Ali jaffri is the ceo of applied stratigraphix llc, has a doctorate in geology, and specializes in sequence stratigraphy. Highresolution sequence stratigraphy of cretaceous shallow marine sandstones, book cliffs outcrop, utah, usa application to reservoir. No evidence for an unconformity at the base of the lower. Sequence stratigraphy applications to shelf sandstone reservoirs articlechapter. In the 1980s, exxon scientists used the cretaceous strata of the book cliffs to develop the science of sequence stratigraphy.
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