Deepwater drilling an overview sciencedirect topics. From these publications grew a fourfold classification of fan systems based on grain sizes and delivery systems. The new second edition of this authoritative book has retained all the virtues of the bestselling original, explaining the unique challenges of oil and gas exploration and production in the worlds deepwater provinces. In this chapter, we address the five remaining aspects of petroleum systems in deepwater settings. Introduction to the petroleum geology of deepwater settings in. Several key papers in the 1990s defined the essential controls on deepwater systems. Petroleum systems of deepwater settings distinguished instructor. Introduction to deepwater petroleum systems petrosync. Request pdf on jan 1, 2004, renaud bouroullec and others published 9. Shingled turbidites tend to be muddier and more poorly sorted than true sheets because they are associated with more muddy parts of the system.
Global overview of deepwater exploration and production setting, structure, trap style, age, lithology, and source rock figure 4. Deepwater depositional systems are the one type of reservoir system that cannot be easily reached, observed, and studied in the modern environment, in contrast to other. This classification was largely based on seismic stratigraphic appearance, and stratigraphic position within a depositional sequence. This publication is intended to provide the working geologist, geophysicist, and petroleum engineer with a broad overview of the petroleum systems of deepwater settings. Deepwater depositional systems are the one type of reservoir system that cannot be easily reached, observed, and studied in the modern. In september 2009, the rig drilled the deepest oil well in history at a. The material presented is approximately the 8085th percentile of available information. Each section shows the relationship of source rocks with structural styles, stratigraphic fill, and migration pathways. A good background read is an investigation small 110kb.
Also known as turbidites, the deepwater term refers to sediments that were deposited in water depths considered to be deep, i. The course starts with an overview of the geology of deepwater systems past, present and future. The deepwater of the northwestern south china sea is located in the central to southern parts of the qiongdongnan basin qdn basin, which is a key site for hydrocarbon exploration in recent years. Appropriate relative timing of formation of these elements and the processes of generation, migration and accumulation are necessary for hydrocarbons to accumulate and be preserved. Perkins research conference 2001 program and abstracts adams mark hotel houston, texas december 25, 2001 edited. The six main elements of petroleum systems will be covered. Understanding and predicting the petroleum systems of deepwater settings is one of the most challenging aspects of deepwater. Disc2004 on deepwater petroleum systems held in chennai contributed by a.
Tectonostratigraphic controls on petroleum system elements in passive margin settings. Sedimentary architecture models of deepwater turbidite. Petroleum systems of deepwater settings introduction to the. Pdf petroleum system in deepwater basins of the northern south. This atlas assembles the first collection of quantitative architectural data on deepwater outcrops geared for ease of use in reservoir characterization and modeling. Greater than 500 m 1640 ft water depths, a more specific type of floating vessel systems and equipment requirements is required to operate on wells. Also known as the bp oil spill or gulf of mexico oil spill, it is considered to be one of the largest accidental marine oil spills in the petroleum industrys 150year history. Introduction to petroleum geology of deepwater settings. The components and critical timing relationships of a.
Schematic cross sections illustrating the different petroleum systems for deepwater settings. Franz has worked in the field of deepwater petroleum systems for several years during his time with shell. The deepwater horizon oil spill began leaking thousands of gallons of oil per day at approximately 9. Most deepwater petroleum systems, such as those in angola and the campos basin of brazil, are associated with the incoming of expanded section oceanwards of shelf edge hinge lines and the appearance of source horizons not present in shallow water or onshore settings. Reservoir in petroleum systems modeling theoretical aspects 5. Deepwater depositional systems are the one type of reservoir system that cannot be easily reached, observed, and studied in the modern environment, in contrast to other siliciclastic and carbonate reservoir systems.
Conventional subsea systems operate capably up to 450600 m 14761969 ft water depth. Petroleum systems of deepwater settings by paul weimer this course provides geophysicists with a broad overview of the petroleum systems of deepwater settings. Oil and gas exploration opportunities in deepwater gulf of. Channels and their sedimentary fill, petroleum systems of deepwater settings, paul weimer, roger m. For example, larue and coworkers14 have looked at fluvial systems using both conceptual models and the meren reservoir. The course is designed to teach students approximately 80% of what is important. Overview of deepwaterreservoir elements 5150 mitchum et al. Intended to provide the working geologist, geophysicist, and petroleum engineer with a broad overview of the petroleum systems of deepwater settingscontainer. In this study, the authors did a comprehensive analysis of gravitymagnetic data, extensive 3d seismic survey, cores and cuttings, paleontology and geochemical indexes, proposed the mechanism. Deepwater horizon was an ultradeepwater, dynamically positioned, semisubmersible offshore drilling rig owned by transocean. Geologic components and processes necessary to generate and store hydrocarbons, including a mature source rock, migration pathway, reservoir rock, trap and seal. These proven and potential petroleum systems include one source rock and multiple accumulations via multiple migration paths and multiple source rocks and multiple accumulations.
The course provides an understanding of the hydrocarbon source, reservoir and trapping styles with particular emphasis on the deepwater settings in the northern gom. Events disc2004 on deepwater petroleum systems held in. About 40 minutes into the new movie deepwater horizon, there is. Petroleum exploration in progressively deeper water of. Global overview of deepwater exploration and production. Bp is to blame for deepwater horizon, but its mistake was. Dsc08st57cd petroleum geology of deepwater settings. Dsc08st57cd petroleum geology of deepwater settings aapg. Request pdf introduction to the petroleum geology of deepwater setting this. Petroleum systems of deepwater settings seg library. This course provides the working geophysicist with a broad overview of the petroleum systems of deepwater settings. This course provides geophysicists with a broad overview of the petroleum systems of deepwater settings. Sedimentology and depositional environments of deepwater. Geology and hydrocarbon accumulations in the deepwater of.
Miall 1985, the different types of depositional units andor architectural elements common to deepwater sedimentary settings include lithofacies assemblages and their geometries, vertical profiles, and other internal and external characteristics that occur repeatedly and are often predictably sprague. He proposes practical depositional models and suggest potential drilling targets for both conventional and unconventional reservoirs by integrating petroleum system analysis. Deepwater is where the remaining big reserves are located deepwater will account for 25% of global offshore production by 2015, compared to just 9% now innovative technologies will allow economic developments in deep and ultradeepwater. Petroleum systems of deepwater settings geoscienceworld. Introduction to the petroleum geology of deepwater setting. It contains 154 papers, and is a collection of both qualitative and quantitative data on deepwater outcrops from around the world that includes all seven continents and 21 countries. Discussion the source rock geology of deepwater nigeria. American association of petroleum geologists memoir 48, p. Introduction to the petroleum geology of deepwater settings. Petroleum systems of deepwater settings introduction to. Deepwater emerges from its slumber petroleum economist. Two kinds of source rocks including paleogene lacustrine black.
In 1998, he has coengineered shells cheapest ever deepwater well them1, congo, td 300 m, wd 800, total cost of 3800k usd. As the cost of oil exploration becomes increasingly expensive, the petroleum industry is looking at reducing exploration risk and one way of doing this is to use the molecular and isotopic information contained in oils to better understand the petroleum systems producing them magoon and dow, 1994, magoon and dow, 2000. The second is a late cretaceous petroleum system found in the deepwater acreage, fed by a prolific. The maximus survey is a highresolution 2d seismic survey ith very long offsets 12 km and deep recording 14 seconds with the objective of providing a clear image of all the play elements of the petroleum systems offshore mexico. Petroleum systems of deepwater settings distinguished. We need to be able to develop fields in deepwater much faster than we have done, and to be much more proactive than we have been in the past, says bruno chabas, ceo of dutch offshore systems and services provider sbm offshore. This paper studied an architecture model of turbidite channel systems based on the shallowlayer high resolution 3d seismic information in the deepwater area in the niger delta continental slope, west africa as a prototype model. Improved understanding of the petroleum systems of the.
Understanding and predicting the petroleum systems of deepwater settings are some of the most challenging aspects of deepwater exploration and production. Studies of the western nicaraguan rise and the deepwater, foz do amazonas basin, brazil. Introduction to deepwater introduction to deepwater. Regional consensus on deepwater definitions typically states this range of water depths. Summary intended to provide the working geologist, geophysicist, and petroleum engineer with a broad overview of the petroleum systems of deepwater settingscontainer. For most current piston coring vendors, screening data is acquired consisting of total scanning fluorescence tsf, gas chromatography gc, and headspace gas. The link between geology and subsurface flow has been examined extensively in the literature.
Boats battle a fire at the deepwater horizon rig on april 21, 2010, in the gulf of mexico. The geographic extent of a petroleum system is determined at the critical moment. Petroleum systems of deepwater setting have been imaged from seismic data and drill wells. Global and gulf of mexico experience gulf coast section sepm foundation 21st annual bob f. Petroleum generation and migration unconventional petroleum systems 7.
Development times can be slashed, as his firms development of a may 2015 discovery in guyana, working alongside. The case studies focus on the practical implications of the observed geological characteristics for exploration and development decision making. Deepwater depositional systems are the one type of reservoir system that cannot. Different types of channel systems were identified and the corresponding architecture models were established. Exploration what lies deepwater beneath the tano basin. Leading experts present an overview of petroleum systems in the gulf of mexico gom. The course design allows geophysicists to quickly integrate the information into their daily workflow. Lacustrine to deepwater depositional systems shus studies include the. Petroleum production systems geostatistics for seismic data integration in earth models distinguished instructor series, no.
254 153 578 722 772 660 1368 439 353 256 765 47 1080 363 977 536 101 1463 927 283 177 1105 733 578 538 8 1196 1044 1210 1327 601 399 496 894 1312 516 643 1146 229 1058 420