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Tectonics (General)

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Participants will examine illustrative outcrops of thrusts, fault-related folds, stratal architectures and facies of depositional systems affected by growing structures, which are good analogues for hydrocarbon reservoirs. Objectives include interpreting complex thrust structures, identifying and understanding strain and fracture systems in fold-thrust belts, and analyzing patterns of growth strata in areas with synsedimentary folding.

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Once we’ve completed a study most of us geologists feel that despite the incomplete data with which we started, our insight has overcome that basic limitation. Ours, however, is not an exact science– and the all-too-frequent dry wildcats return us to the level of fallible mortals.
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To be an innovator in the never-ending search for new oil and gas resources, a good geologist needs to escape the stagnating perils of paradigm paralysis by being equal parts Captain Kirk and Mr. Spock.

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Current AAPG Distinguished Lecturer Webster Mohriak is one of the confirmed keynote speakers for the upcoming Atlantic Realm Conjugate Margins Conference, set this August in St. John’s, Newfoundland. Retiring in 2011 after

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Winning Hearts and Minds: Colombia and Latin American prospects offer high promise and difficult hurdles in the form of local political and public resistance.

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Energized by the recent Statoil ASA-operated Bay du Nord light oil discovery in Newfoundland’s offshore Flemish Pass Basin, earth scientists are gearing up to host the fourth Atlantic Realm Conjugate Margins Conference in St. John’s, Newfoundland, Aug. 20-22.

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Interpretation of seismic data from the Sorvestsnaget Basin, southwest Barents Sea, demonstrates gradual middle Eocene basin infilling (from the north) generated by southward-prograding shelf-margin clinoforms. The basin experienced continued accommodation development during the middle Eocene because of differential subsidence caused by the onset of early Eocene sea-floor spreading in the Norwegian-Greenland Sea, faulting, salt movement, and different tectonic activity between the Sorvestsnaget Basin and Veslemoy high. During this time, the margin shows transformation from an initially high-relief margin to a progradation in the final stage. The early stage of progradation is characterized by the establishment of generally oblique clinoform shifts creating a flat shelf-edge trajectory that implies a gentle falling or stable relative sea level and low accommodation-to-sediment supply ratio (lt1) in the topsets. During the early stage of basin development, the high-relief margin, narrow shelf, stable or falling relative sea level, seismicity, and presumably high sedimentation rate caused accumulation of thick and areally extensive deep-water fans. Seismic-scale sandstone injections deform the fans.

A fully prograding margin developed when the shelf-to-basin profile lowered, apparently because of increased subsidence of the northern part. This stage of the basin development is generally characterized by the presence of sigmoid clinoform shifts creating an ascending shelf-edge trajectory that is implying steady or rising relative sea level with an accommodation-to-sediment supply ratio of greater than 1, implying sand accumulation on the shelf. This study suggests that some volume of sand was transported into the deep water during relative sea level rise considering the narrow shelf and inferred high rates of sediment supply.

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In his classic 1965 GSA Bulletin paper “Origin of ‘Reverse Drag’ on the Downthrown Side of Normal Faults” Hamblin presented a conceptual model linking the formation of reverse drag (the down-warping of hanging wall strata toward a normal fault) to slip on faults with listric (curved, concave up) cross-sectional profiles. Although this model has been widely accepted, some authors have noted that reverse drag may also form in response to slip on planar faults that terminate at depth. A universal explanation for the origin of reverse drag, a common element of extensional terranes, thus remains elusive almost 50 years after Hamblin’s seminal paper on the subject.

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Craquelure, the fine pattern of cracks found in old paintings, presents a rare opportunity to reach beyond the physical sciences for help in understanding a geological process as inscrutable as the development of joints in a fractured reservoir.

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In-Person Training
Denver Colorado United States 04 June, 2015 04 June, 2015 14691 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-ft-09-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Denver, Colorado, United States
4 June 2015
This one-day field trip will apply new crustal-scale seismic experiments and structural balancing in the Northern Rockies to the 3D Laramide geometry and natural fractures of the Denver Basin and its resource plays. We will also examine the resulting syn-and post-Laramide fracture systems that provide critical fluid conduits for successful resource plays, like the Niobrara play of the Eastern Rockies.
Watkins Glen New York United States 15 June, 2015 19 June, 2015 147 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-northern-appalachian-basin-faults-fractures-and-tectonics-and-their-effects-on-the-utica-geneseo-and-marcellus-black-shales.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Watkins Glen, New York, United States
15-19 June 2015

The attendee will gain a working knowledge concerning how faults and fractures develop and their terminology, methodologies utilized in collecting and analyzing fracture data, characteristics of faults and fractures that affect the sedimentary units (including black shales) in the northern Appalachian Basin of New York state, and tectonics that led to the formation of the structures in the northern Appalachian Basin and the adjacent Appalachian Orogen.

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
 
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.

Barcelona Spain 14 September, 2015 18 September, 2015 153 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-Folding-Thrusting-and-Syntectonic-Sedimentation-Perspectives-from-Classic-Localities-Central-Pyrenees.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Barcelona, Spain
14-18 September 2015

Participants will examine illustrative outcrops of thrusts, fault-related folds, stratal architectures and facies of depositional systems affected by growing structures, which are good analogues for hydrocarbon reservoirs. Objectives include interpreting complex thrust structures, identifying and understanding strain and fracture systems in fold-thrust belts, and analyzing patterns of growth strata in areas with synsedimentary folding.

Lima Peru 15 October, 2015 16 October, 2015 20463 Desktop /Portals/0/PackFlashItemImages/WebReady/gtw-peru-2015-increasing-recovery-in-mature-fields-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Lima, Peru
15-16 October 2015

This interdisciplinary, two-day workshop focuses on innovative strategies and new technologies for revitalizing mature fields and includes a series of expert presentations and roundtable discussions. Participants will benefit from the opportunity to advance their understanding of mature fields, to exchange ideas and to explore opportunities for future collaboration. It is organized by the AAPG Latin America & Caribbean Region and the Geological Society of Peru.

Online Training
01 January, 2013 01 January, 9999 1459 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-cc-giant-oil-and-gas-fields.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
1 January 2013 - 1 January 9999

There are more approximately 1,000 oil and gas fields in the world that have been classified as "giant," containing more than 500 million barrels of recoverable oil and /or 3 trillion cubic feet of gas.

28 April, 2011 28 April, 2011 1471 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-niobrara-petroleum-system-a-major-tight-resource-play.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
28 April 2011

The Niobrara Petroleum System of the U.S. Rocky Mountain Region is a major tight petroleum resource play.

03 June, 2010 03 June, 2010 1460 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-marcellus-utica-in-the-field.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
3 June 2010

Upon successful completion of this course, you will be able to describe faults and fractures in carbonates, black shales, and coarser clastics as they occur in the northern Appalachian Basin.

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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