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Spectral decomposition of seismic data helps in the analysis of subtle stratigraphic plays and fractured reservoirs. The different methods used for decomposing the seismic data into individual frequency components within the seismic data bandwidth serve to transform the seismic data from the time domain to the frequency domain– and generate the spectral magnitude and phase components at every time-frequency sample.

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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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The Ayoluengo field, commonly cited as Spain’s only onshore oil field, was discovered in June 1964. Today, 50 years later, the field is still active, with an average production of some 100 barrels oil per day and a total cumulated oil production of nearly 17 million barrels of oil.

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May 14, 2014, Marks the 100th anniversary of the initial petroleum discovery at Turner Valley. The field sits at the leading edge of the Foothills Belt of the Rocky Mountains, just to the southwest of Calgary, Canada.

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The Croatian Hydrocarbons Agency used AAPG’s Annual Convention and Exhibition (ACE) in Houston last month as an opportunity to formally announce that the country’s first offshore license round opened April 2 of this year.

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When it comes to U.S. energy policy, there arguably is no topic that creates more heated debate than that of the federal OCS (Outer Continental Shelf) leasing program.

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The petroleum trap for the Athabasca oil sands has remained elusive because it was destroyed by flexural loading of the Western Canada Sedimentary Basin during the Late Cretaceous and Paleocene. The original trap extent is preserved because the oil was biodegraded to immobile bitumen as the trap was being charged during the Late Cretaceous. Using well and outcrop data, it is possible to reconstruct the Cretaceous overburden horizons beyond the limit of present-day erosion. Sequential restoration of the reconstructed horizons reveals a megatrap at the top of the Wabiskaw-McMurray reservoir in the Athabasca area at 84 Ma (late Santonian). The megatrap is a four-way anticline with dimensions 285 x 125 km (177 x 78 mi) and maximum amplitude of 60 m (197 ft). The southeastern margin of the anticline shows good conformance to the bitumen edge for 140 km (87 mi). To the northeast of the anticline, bitumen is present in a shallower trap domain in what is interpreted to be an onlap trap onto the Canadian Shield; leakage along the onlap edge is indicated by tarry bitumen outliers preserved in basement rocks farther to the northeast. Peripheral trap domains that lie below the paleospillpoint, in northern, southern, and southwestern Athabasca, and Wabasca, are interpreted to represent a late charge of oil that was trapped by bitumen already emplaced in the anticline and the northeastern onlap trap. This is consistent with kimberlite intrusions containing live bitumen, which indicate that the northern trap domain was charged not before 78 Ma. The trap restoration has been tested using bitumen-water contact well picks. The restored picks fall into groups that are consistent both with the trap domains determined from the top reservoir restoration and the conceptual charge model in which the four-way anticline was filled first, followed by the northeastern onlap trap, and then the peripheral trap domains.

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The Tarim Basin is one of the most important hydrocabon-bearing evaporite basins in China. Four salt-bearing sequences, the Middle and Lower Cambrian, the Mississippian, the Paleogene, and the Neogene, have various thickness and areal distribution. They are important detachment layers and intensely affect the structural deformation in the basin. The Kuqa depression is a subordinate structural unit with abundant salt structures in the Tarim Basin. Salt overthrusts, salt pillows, salt anticlines, salt diapirs, and salt-withdrawal basins are predominant in the depression. Contraction that resulted from orogeny played a key function on the formation of salt structures. Growth strata reveal that intense salt structural deformation in the Kuqa depression occurred during the Himalayan movement from Oligocene to Holocene, with early structural deformation in the north and late deformation in the south. Growth sequences also record at least two phases of salt tectonism. In the Yingmaili, Tahe, and Tazhong areas, low-amplitude salt pillows are the most common salt structures, and these structures are commonly accompanied by thrust faults. The faulting and uplifting of basement blocks controlled the location of salt structures. The differences in the geometries of salt structures in different regions show that the thickness of the salt sequences has an important influence on the development of salt-cored detachment folds and related thrust faults in the Tarim Basin.

Salt sequences and salt structures in the Tarim Basin are closely linked to hydrocarbon accumulations. Oil and gas fields have been discovered in the subsalt, intrasalt, and suprasalt strata. Salt deformation has created numerous potential traps, and salt sequences have provided a good seal for the preservation of hydrocarbon accumulations. Large- and small-scale faults related with salt structures have also given favorable migration pathways for oil and gas. When interpreting seismic profiles, special attention needs to be paid to the clastic and carbonate interbeds within the salt sequences because they may lead to incorrect structural interpretation. In the Tarim Basin, the subsalt anticlinal traps are good targets for hydrocarbon exploration.

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In-Person Training
Sharm el Sheikh Egypt 18 March, 2016 19 March, 2016 22043 Desktop /Portals/0/PackFlashItemImages/WebReady/ws-Hammam-Faraun-Fault-line-scarp-Gulf-of-Suez-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Geochemistry and Basin Modeling, Petroleum Systems, Sedimentology and Stratigraphy, Structure, Tectonics (General), Structural Traps, Stratigraphic Traps
 
Sharm el Sheikh, Egypt
18-19 March 2016
This interdisciplinary two-day workshop will provide participants with the opportunity to describe and discuss the Sinai basins from a holistic perspective, to consider predictive exploration models for the less explored regions and perhaps gain new insights for those areas thought to be already mature. Experts on the Eastern Mediterranean-Levant, Nile Delta, Gulf of Suez, Northern Red Sea, Gulf of Aqaba-Dead Sea, and Sinai interior basins will lead the sessions. The workshop is organized by the AAPG Africa Region and the Egyptian Petroleum Exploration Society.
Lagos Nigeria 22 February, 2016 24 February, 2016 21922 Desktop /Portals/0/PackFlashItemImages/WebReady/sequence-stratigraphy-concepts-principles-applications-clastic-depositional-environments-02feb-2016-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Engineering, Reservoir Characterization, Geochemistry and Basin Modeling, Source Rock, Petrophysics and Well Logs, Sedimentology and Stratigraphy, Clastics, Conventional Sandstones, Deep Sea / Deepwater, Deepwater Turbidites, Eolian Sandstones, Estuarine Deposits, Fluvial Deltaic Systems, High Stand Deposits, Incised Valley Deposits, Lacustrine Deposits, Low Stand Deposits, Marine, Regressive Deposits, Sheet Sand Deposits, Shelf Sand Deposits, Slope, Transgressive Deposits, Sequence Stratigraphy, Deep Basin Gas, Diagenetic Traps, Stratigraphic Traps, Structural Traps
 
Lagos, Nigeria
22-24 February 2016
Sequence stratigraphy provides a framework for the integration of geological, geophysical, biostratigraphic and engineering data, with the aim of predicting the distribution of reservoir, source rock and seal lithologies. It gives the geoscientist a powerful predictive tool for regional basin analysis, shelf-to-basin correlation, and characterization of reservoir heterogeneity. This course will examine the underlying geological principles, processes and terminology related to sequence stratigraphic interpretation. The strength of this course is the application of these basic principles to subsurface datasets in a series of well-founded exercises.
San Antonio Texas United States 01 December, 2015 02 December, 2015 21310 Desktop /Portals/0/PackFlashItemImages/WebReady/gtw-revitalizing-reservoicrs-texas-gulf-coast-latin-12dec-2015-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Business and Economics, Engineering, Development and Operations, Production, Drive Mechanisms, Depletion Drive, Water Drive, Hydraulic Fracturing, Primary Recovery, Secondary Recovery, Tertiary Recovery, Chemical Flooding Processes, Reservoir Characterization, Geochemistry and Basin Modeling, Oil Seeps, Oil and Gas Analysis, Petroleum Systems, Geophysics, Seismic, Petrophysics and Well Logs, Structural Traps, Subsalt Traps, Tight Gas Sands, Shale Gas, Fractured Carbonate Reservoirs, Stratigraphic Traps
 
San Antonio, Texas, United States
1-2 December 2015
This workshop brings together new technologies, practices, and procedures that can be applied to new and mature fields in order to revitalize them and increase / optimize recovery. The presentations will focus on case studies, research findings, and field applications for new and existing plays, including Texas, Gulf Coast region, and Latin America.
Melbourne Australia 17 September, 2015 22 September, 2015 19067 Desktop /Portals/0/PackFlashItemImages/WebReady/FT9-Salt-Diapirs-and-Salt-Sheets-Thomas-Hearon-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Conventions, Technical Program, Subsalt Traps, Structural Traps, Structure, Salt Tectonics, Evaporites, Sedimentology and Stratigraphy, Salt, Geochemistry and Basin Modeling, Petroleum Systems, Field Trips, Post-Convention
 
Melbourne, Australia
17-22 September 2015
This field trip will focus on outcrop exposures of Neoproterozoic salt diapirs, salt sheets and associated growth strata in the central and northern Flinders Ranges, South Australia.
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.    

Online Training
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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