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The Upper Jurassic Smackover formation in northern Louisiana and surrounding states has been explored and drilled for decades, but has only recently seen the sophisticated approach needed to decipher its challenging geology.

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AAPG is committed to connecting promising original research with much-needed funding and is continually seeking – and finding – new ways to make that potential a reality.

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Imagine the Mediterranean Sea drying out. Imagine the late Permian, as the Earth warmed and dried, and much of life faced extinction. Now put the two together, and you have the basis of an analog examined in the presentation “The Messinian Mediterranean Crisis: A Model for the Permian Delaware Basin?” at the upcoming AAPG International Conference and Exhibition in Istanbul, Turkey.

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This lecture presents a history of sea-level changes focusing on the last 100 Myr. Prior to the Oligocene (ca. 33.5 Ma), the Earth had been a warm, high CO2 Greenhouse world that was largely ice-free back to 260 Ma, though recent evidence suggests that 15-25 m sea-level changes observed may have been caused by growth and decay of small, ephemeral ice sheets. The growth and decay of a continental scale ice sheet in Antarctica caused 50-60 m variations on the 106 yr scale beginning ~33.5 million years ago (Ma).

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Over the last two decades, numerical and physical experiments have repeatedly generated insights that contradict the sequence stratigraphic model that is near-universally used to interpret ancient strata in terms of relative changes in sea-level. This presentation will re-examine Upper Cretaceous strata (Blackhawk Formation, Castlegate Sandstone, Mancos Shale) exposed in the Book Cliffs, east-central Utah, USA, which are widely used as an archtype for the sequence stratigraphy of marginal-marine and shallow-marine strata. Stratigraphic architectures in these strata are classically interpreted to reflect forcing by relative sea level, but key aspects can instead be attributed to autogenic behaviors and variations in sediment flux.

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IODP Expedition 313 (New Jersey shallow shelf) cored a 3-hole transect across Miocene seismic clinothems (prograding sigmoidal sequences) in topset, foreset, and bottomset locations, providing an opportunity to integrate seismic, log, and core data into a sequence stratigraphic framework. Our interpretations of sequences and systems tracts are made independent of any preconceived relative sea-level curves. Rather, we use basic seismic, core, and stratigraphic principles to recognize sequence boundaries, Maximum Flooding Surface, transgressive surfaces, and facies successions within sequences.

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Sequence stratigraphy is the study of genetically related facies within a framework of chronostratigraphically significant surfaces. Paleontologic data, integrated with seismic and well log data, are an integral part of sequence stratigraphic analysis.

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Organic-carbon–rich shales of the lower Marcellus Formation were deposited at the toe and basinward of a prograding clinothem associated with a Mahantango Formation delta complex centered near Harrisburg, Pennsylvania. Distribution of these organic-carbon–rich shales was influenced by shifts in the delta complex driven by changes in rates of accommodation creation and by a topographically high carbonate bank that formed along the Findlay-Algonquin arch during deposition of the Onondaga Formation. Specifically, we interpret the Union Springs member (Shamokin Member of the Marcellus Formation) and the Onondaga Formation as comprising a single third-order depositional sequence. The Onondaga Formation was deposited in the lowstand to transgressive systems tract, and the Union Springs member was deposited in the transgressive, highstand, and falling-stage systems tract. The regional extent of parasequences, systems tracts, and the interpreted depositional sequence suggest that base-level fluctuations were primarily caused by allogenic forcing—eustasy, climate, or regional thermal uplift or subsidence—instead of basement fault reactivation as argued by previous workers. Paleowater depths in the region of Marcellus Formation black mudrock accumulation were at least 330 ft (100 m) as estimated by differences in strata thickness between the northwestern carbonate bank and basinal facies to the southeast. Geochemical analysis indicates anoxic to euxinic bottom-water conditions. These conditions were supported by a deep, stratified basin with a lack of circulation.
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"Breakthrough elegance": ExxonMobil geologists Jeff Ottmann and Kevin Bohacs shared their highly-coveted knowledge on sweet spots and producibility thresholds at a recent Geosciences Technology Workshop on Unconventional Reservoir Quality.

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In-Person Training
Buenos Aires Argentina 11 May, 2015 12 May, 2015 14137 Desktop /Portals/0/PackFlashItemImages/WebReady/extending-mature-fields-life-cycles-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Structure, Structural Analysis (Other), Geomechanics and Fracture Analysis, Compressional Systems, Fold and Thrust Belts, Extensional Systems, Sedimentology and Stratigraphy, Sequence Stratigraphy, Clastics, Conventional Sandstones, Eolian Sandstones, Lacustrine Deposits, Carbonates, (Carbonate) Shelf Sand Deposits, Petrophysics and Well Logs, Geophysics, Seismic, Magnetic, Gravity, Direct Hydrocarbon Indicators, Geochemistry and Basin Modeling, Basin Modeling, Maturation, Oil and Gas Analysis, Source Rock, Petroleum Systems, Environmental, Ground Water, Remote Sensing, Reservoir Characterization, Engineering, Seismic Attributes, Geochemical Fingerprinting, 3D Seismic, Production, Tertiary Recovery, Secondary Recovery, Primary Recovery, Drive Mechanisms, Development and Operations, Conventional Drilling, Coring, Business and Economics, Risk Analysis, Reserve Estimation, Resource Estimates, Economics, Deep Sea / Deepwater, Deepwater Turbidites, Marine, Shelf Sand Deposits, Slope, Carbonate Reefs, Carbonate Platforms, Hydraulic Fracturing
 
Buenos Aires, Argentina
11-12 May 2015

Join leading scientists and industry practitioners at Extending Mature Fields’ Life Cycles: the Role of New Technologies & Integrated Strategies, a Geoscience Technology Workshop (GTW) organized by the AAPG Latin America Region and the Asociación Argentina de Geólogos y Geofísicos Petroleros (AAGGP).

Denver Colorado United States 30 May, 2015 31 May, 2015 13504 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-sc06-sequence-stratigraphy-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Sedimentology and Stratigraphy, Sequence Stratigraphy
 
Denver, Colorado, United States
30-31 May 2015

This course presents the concepts and practical applications of sequence stratigraphy for petroleum exploration.

Denver Colorado United States 30 May, 2015 30 May, 2015 14555 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-sc04-mudstones-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true ACE 2015, Sedimentology and Stratigraphy, Sequence Stratigraphy, Clastics, Oil Sands, Oil Shale, Shale Gas, Geochemistry and Basin Modeling, Source Rock, Petrophysics and Well Logs, Geophysics, Seismic, Geology, Sequence Stratigraphy Applications, Migration, Short Courses, Conventions, Pre-Convention
 
Denver, Colorado, United States
30 May 2015

This workshop combines interactive lectures and exercises addressing the expression of depositional sequences in mudstones on seismic, well-log, core and outcrop data. Examples include in the course will include the Marcellus Shale, New Albany Shale, Barnett Shale, Shublik Formation, Kimmeridge Clay Formation, Kingak Formation, Hue Shale, Mowry Shale, and Monterey Formation.

Denver Colorado United States 30 May, 2015 31 May, 2015 14573 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-sc08-graduate-students-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true ACE 2015, Sedimentology and Stratigraphy, Sequence Stratigraphy, Geology, Sequence Stratigraphy Applications, Short Courses, Conventions, Pre-Convention
 
Denver, Colorado, United States
30-31 May 2015

This course is designed to teach graduate students the principles, concepts and methods of sequence stratigraphy. Sequence stratigraphy is an informal chronostratigraphic methodology that uses stratal surfaces to subdivide the stratigraphic record. This methodology allows the identification of coeval facies, documents the time-transgressive nature of classic lithostratigraphic units and provides geoscientists with an additional way to analyze and subdivide the stratigraphic record.

Denver Colorado United States 30 May, 2015 31 May, 2015 14568 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-sc07-pttc-rocky-mountain-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true ACE 2015, Sedimentology and Stratigraphy, Sequence Stratigraphy, Carbonates, Short Courses, Conventions, Pre-Convention
 
Denver, Colorado, United States
30-31 May 2015

This course is intended for industry professionals who desire a firm foundation in carbonate rocks. Most sedimentology and stratigraphy courses focus on siliciclastic rocks while giving only cursory treatments of carbonates. With carbonate reservoirs containing approximately half of the world’s oil and gas, a better understanding of these complex rocks is highly desirable. Participants should have some background in sedimentology and stratigraphy.

Three Forks Montana United States 24 June, 2015 26 June, 2015 13422 Desktop /Portals/0/PackFlashItemImages/WebReady/hero-lodgepole-bakken-petroleum-system.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Sedimentology and Stratigraphy, Petrophysics and Well Logs, Geochemistry and Basin Modeling, Source Rock, Sequence Stratigraphy
 
Three Forks, Montana, United States
24-26 June 2015

This field seminar will give participants an overview about the geology, reservoir engineering and operation aspects of the Lodgepole-Bakken-Three Forks Petroleum System.  Excellent outcrops illustrate how facies, reservoir properties and rock strength can vary along a lateral well bore. Engineers, geologists and operators will find this especially interesting.

Hay River Northwest Territories Canada 31 August, 2015 04 September, 2015 13438 Desktop /Portals/0/PackFlashItemImages/WebReady/devonian-reef-facies-models-hydrothermal-dolomitization-and-tight-carbonate-reservoir-analogues-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Sedimentology and Stratigraphy, Carbonates, Sequence Stratigraphy, Reservoir Characterization/Modeling, Geology, Carbonate Rocks, Depositional Models/Processes
 
Hay River, Northwest Territories, Canada
31 August - 4 September 2015

The Hay River region in the Northwest Territories is one of the best locations in North America for the examination of Devonian carbonates, and the Pine Point mine site is one of the best localities for viewing the fabrics and geometries associated with hydrothermal dolomitization.

Whanganui New Zealand 09 September, 2015 12 September, 2015 18996 Desktop /Portals/0/PackFlashItemImages/WebReady/FT3-Pilo-Pleistocene-Shelf-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Conventions, Technical Program, Reservoir Characterization, Engineering, Seismic Attributes, Structure, Salt Tectonics, Tectonics (General), Geochemistry and Basin Modeling, Petroleum Systems, Sedimentology and Stratigraphy, Sequence Stratigraphy, Field Trips, Pre-Convention
 
Whanganui, New Zealand
9-12 September 2015

This four-day trip to the internationally-significant Wanganui Basin and North Taranaki coastal sections will examine Late Miocene to Pleistocene components of shelf- to basin-floor depositional systems deposited during an overall tectonically-controlled regressive phase. We will examine and discuss the interplay between tectonics and sea-level change, and the reservoir architecture and sequence stratigraphic framework of these well-exposed rocks. The outcrop geology will be supported by a range of seismic, well and supplementary industry data.

Melbourne Australia 10 September, 2015 13 September, 2015 18997 Desktop /Portals/0/PackFlashItemImages/WebReady/FT4-The-Gippsland-Basin-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Clastics, Sedimentology and Stratigraphy, Marine, Engineering, Conventions, Technical Program, Structure, Fold and Thrust Belts, Deepwater Turbidites, Sequence Stratigraphy, Geomechanics and Fracture Analysis, Fluvial Deltaic Systems, Carbonates, Carbonate Reefs, Geochemistry and Basin Modeling, Petroleum Systems, Reservoir Characterization, 3D Seismic, Seismic Attributes, Field Trips, Pre-Convention
 
Melbourne, Australia
10-13 September 2015

This trip will visit the breathtaking coastal outcrops of turbidites, carbonate platforms, fluvial sediments and pillow lavas along the cliffs southeast of Melbourne. Come scramble down craggy slopes at Cape Liptrap to view superb outcrop-scale fold and thrust structures in Devonian turbidites, then take a 5 km hike along the adjacent coast where Cambrian ophiolites and exhumed amphibolites, faulted against trilobite-hosting Ordovician marls and Devonian reefal carbonates will be revealed. This will be followed by a trip to a site of Early Cretaceous fluvial rift sediments deposited during the initial separation of Antarctica from Australia to open the Gippsland Basin.

Sydney Australia 11 September, 2015 12 September, 2015 19011 Desktop /Portals/0/PackFlashItemImages/WebReady/FT5-Tidally-Influenced-Strata-of-the-Hawkesbury-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Conventions, Technical Program, Sedimentology and Stratigraphy, Sequence Stratigraphy, Clastics, Marine, Slope, Shelf Sand Deposits, Sheet Sand Deposits, Carbonates, (Carbonate) Shelf Sand Deposits, Geochemistry and Basin Modeling, Petroleum Systems, Structure, Geomechanics and Fracture Analysis, Field Trips, Pre-Convention
 
Sydney, Australia
11-12 September 2015

The Hawkesbury Sandstone is the foundation on which the city of Sydney was built. This trip will allow discussion of the sedimentology and sequence stratigraphy of the Hawkesbury Sandstone by examining outcrops around the scenic Sydney Harbour and in spectacular coastal cliffs in National Parks close to the city. The sandstone displays a wide variety of sedimentary structures combined with superb scenery offering many opportunities for photographers.

Sydney Australia 17 September, 2015 18 September, 2015 19048 Desktop /Portals/0/PackFlashItemImages/WebReady/FT6-Blue-Mountains-World-Heritage-Area-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Conventions, Technical Program, Sedimentology and Stratigraphy, Sequence Stratigraphy, Clastics, Conventional Sandstones, Geochemistry and Basin Modeling, Petroleum Systems, Source Rock, Field Trips, Post-Convention
 
Sydney, Australia
17-18 September 2015

Experience the World Heritage Exhibition Centre in the Mt Tomah Botanic Gardens, the Blue Mountains Cultural Centre, and various geosites including the iconic Triassic sandstone landscapes at Govetts Leap and Echo Point. 

Grand Junction Colorado United States 23 September, 2015 30 September, 2015 86 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-sedimentology-and-sequence-stratigraphic-response-of-paralic-deposits.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Sedimentology and Stratigraphy, Clastics, Sequence Stratigraphy, Fluvial Deltaic Systems, Estuarine Deposits, Marine, Incised Valley Deposits, High Stand Deposits, Low Stand Deposits, Petrophysics and Well Logs
 
Grand Junction, Colorado, United States
23-30 September 2015

Participants will learn through the use of spectacular outcrops, subsurface datasets, and stratigraphic modeling how these systems tracts and key surfaces (flooding surfaces and sequence boundaries) may be recognized.

Abu Dhabi United Arab Emirates 23 November, 2015 25 November, 2015 16396 Desktop /Portals/0/PackFlashItemImages/WebReady/gtw2015me-carbonate-reservoirs-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Fractured Carbonate Reservoirs, Sedimentology and Stratigraphy, Sequence Stratigraphy
 
Abu Dhabi, United Arab Emirates
23-25 November 2015

This three-day workshop is dedicated to sharing knowledge, ideas and workflows in exploring for and developing hydrocarbon bearing carbonate reservoirs of the Middle East. The workshop will emphasize case studies involving field scale reservoir characterization to regional scale lithofacies distribution, depositional models and sequence stratigraphy.

Ras al-Khaimah United Arab Emirates 24 November, 2015 25 November, 2015 20580 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-field-trip-to-the-kharaib-and-shuaiba-formations-11nov-2015-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Sedimentology and Stratigraphy, Sequence Stratigraphy, Fractured Carbonate Reservoirs, Field Trips, Conventions, Meeting Field Trip
 
Ras al-Khaimah, United Arab Emirates
24-25 November 2015
The field trip will take you to outcrops of the Musandam Peninsula of Ras Al-Khaimah, UAE equivalent in age and architecture to the producing Shuaiba and Kharaib formations in the subsurface of the Arabian Peninsula. Outcrops are of seismic scale and thus provide field-scale cross-sections that help to refine sequence stratigraphic and facies models, and aid to the understanding of reservoir geometry distribution, and reservoir continuity in the subsurface.
Abu Dhabi United Arab Emirates 24 November, 2015 24 November, 2015 20582 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-field-trip-to-the-modern-sabkha-environment-abu-dhabi-11nov-2015-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Sedimentology and Stratigraphy, Sequence Stratigraphy, Fractured Carbonate Reservoirs, Field Trips, Conventions, Meeting Field Trip
 
Abu Dhabi, United Arab Emirates
24 November 2015
The modern carbonate-evaporite depositional environments along the Abu Dhabi shoreline and offshore Abu Dhabi belong to the few areas of the world where the geoscientist can observe the interplay between carbonate and evaporite sedimentation.
Muscat Oman 18 January, 2016 20 January, 2016 16517 Desktop /Portals/0/PackFlashItemImages/WebReady/gtw2016me-hydrocarbon-seals-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Subsalt Traps, Structural Traps, Stratigraphic Traps, Diagenetic Traps, Fractured Carbonate Reservoirs, Reservoir Characterization, Engineering, Seismic Attributes, Geochemical Fingerprinting, 3D Seismic, Sedimentology and Stratigraphy, Sequence Stratigraphy, Evaporites, Clastics, Carbonates, Structure, Fold and Thrust Belts, Compressional Systems, Geomechanics and Fracture Analysis, Production, Drive Mechanisms
 
Muscat, Oman
18-20 January 2016

This three-day workshop has the primary goal to share knowledge, case studies, techniques and workflows pertaining to the understanding and prediction of hydrocarbon seals for exploration and production in the Middle East. These seals range in age from Pre-Cambrian to Tertiary.    

Abu Dhabi United Arab Emirates 25 January, 2016 27 January, 2016 16518 Desktop /Portals/0/PackFlashItemImages/WebReady/gtw2016me-source-rocks-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Geochemistry and Basin Modeling, Source Rock, Development and Operations, Engineering, Conventional Drilling, Directional Drilling, Infill Drilling, Clastics, Sedimentology and Stratigraphy, Conventional Sandstones, Petroleum Systems, Fluvial Deltaic Systems, Structure, Compressional Systems, Extensional Systems, Sequence Stratigraphy, Stratigraphic Traps, Petrophysics and Well Logs, Basin Modeling, Oil and Gas Analysis, Reservoir Characterization
 
Abu Dhabi, United Arab Emirates
25-27 January 2016

This three-day workshop aims to provide a forum for professionals from industry, academia and government agencies, who are actively involved in the study of Middle Eastern Source Rocks, to share their advances in source rock related fields, present their experiences and challenges, and demonstrate relevant technologies and solutions.

Online Training
10 May, 2012 10 May, 2012 1486 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-genetic-sequences-in-eagle-ford-austin.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
10 May 2012

Recognition and Correlation of the Eagle Ford, Austin Formations in South Texas can be enhanced with High Resolution Biostratigraphy, fossil abundance peaks and Maximum Flooding Surfaces correlated to Upper Cretaceous sequence stratigraphic cycle chart after Gradstein, 2010.

17 February, 2011 17 February, 2011 1469 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-siliclastic-sequence-stratigraphy.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
17 February 2011

This presentation is designed for exploration/production geologists and geological managers or reservoir engineers.

14 February, 3000 14 February, 3000 7817 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-generic-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
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