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The shrinkage or swelling of coal as a result of gas desorption or adsorption is a well-accepted phenomenon. Its impact on permeability changes has also been recognized for two decades. Its importance has increased significantly because of the potential of coals that are not likely to be mined and depleted or nearly depleted coalbed methane reservoirs to serve as CO2 repositories. This article proposes a new theoretical technique to model the volumetric changes in the coal matrix during gas desorption or adsorption using the elastic properties, sorption parameters, and physical properties of coal. The proposed model is based on the theory of changes in surface energy as a result of sorption. The results show that the proposed model is in excellent agreement with the laboratory volumetric strain data presented in the literature during the last 50 yr. Furthermore, the proposed model can be extended to describe mixed-gas sorption behavior, which can be applied to enhanced coalbed methane and CO2 sequestration operations.
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Who’s got the last laugh now? The Uteland Butte once was a sandstone that operators quickly passed through – and often ignored – on their way to other targets. But things are changing in Utah.

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Across the board: The Mississippi Lime play proves that hydraulic fracturing and horizontal drilling techniques can be used for more than just shale production.

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The continuity of clay smears evolving in sealed direct shear experiments of initially intact sandstone-mudrock sequences was quantified to large displacements up to more than ten times the thickness of the sealing layer. The sample blocks consisted of a preconsolidated clay-rich seal layer, which was embedded and synthetically cemented in quartz sand. The mineralogy and mechanical properties of the clay layer and the reservoir sandstones were varied systematically to mimic a range of natural clastic rock sequences. The fluid-flow response across the fault zone was monitored continuously during deformation using a new type of direct shear cell. The displacement at which seals break down is closely linked to the amount of phyllosilicates in the seal layer. Contrary to expectations, softer seal layers do not seal better than stiff seal layers for a given clay content. In the testing range of normal effective stresses between 4 to 24 MPa (580–3481 psi) covering maximum burial depth conditions of approximately 800 m (2625 ft) to approximately 4 km (2 mi) (assuming normal fault tectonics), a systematic trend is also observed, indicating better smear continuity by increasing the effective normal stress. Predominantly brittle processes such as slicing and wear, and not ductile drag or plastic flow, appear to be responsible for the generation of clay smears. The test results offer the prospect of incorporating critical shale smear factors (i.e., normalized displacement at which seal breakdown occurs) into probabilistic fault seal algorithms that consider important properties that can be measured or estimated, namely, clay content and fault-normal effective stress.
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Gas generation is a commonly hypothesized mechanism for the development of high-magnitude overpressure. However, overpressures developed by gas generation have been rarely measured in situ, with the main evidence for such overpressures coming from source rock microfractures, the physical necessity of overpressures for primary migration, laboratory experiments, and numerical modeling. Indeed, previous in-situ observations suggest that gas generation only creates highly localized overpressures within rich source rocks. Pore-fluid pressure data and sonic velocity–vertical effective stress plots from 30 wells reveal that overpressures in the northern Malay Basin are primarily generated by fluid expansion and are located basinwide within the Miocene 2A, 2B, and 2C source rock formations. The overpressures are predominantly associated with gas sampled in more than 83% of overpressure measurements and have a sonic-density response consistent with gas generation. The association of fluid expansion overpressures with gas, combined with the sonic-density response to overpressure and a regional geology that precludes other overpressuring mechanisms, provides convincing in-situ evidence for basinwide gas generation overpressuring. Overpressure magnitude analysis suggests that gas generation accounts for approximately one-half to two-thirds of the measured excess pore pressure in the region, with the remainder being generated by coincident disequilibrium compaction. Thus, the data herein suggest that gas generation, if acting in isolation, is producing a maximum pressure gradient of 15.3 MPa/km (0.676 psi/ft) and not lithostatic magnitudes as commonly hypothesized. The gas generation overpressures in this article are not associated with a significant porosity anomaly and represent a major drilling hazard, with traditional pore-pressure prediction techniques underestimating pressure gradients by 2.3 plusmn 1.5 MPa/km (0.1 plusmn 0.07 psi/ft).
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A joint AAPG–Society of Petroleum Engineers–Society of Exploration Geophysicists Hedberg Research Conference was held in Saint-Cyr sur Mer, France, on July 8 to 13, 2012, to review current research and explore future research directions related to improved production from carbonate reservoirs. Eighty-seven scientists from academia and industry (split roughly equally) attended for five days. A primary objective for the conference was to explore novel connections among different disciplines (primarily within geoscience and reservoir engineering) as a way to define new research opportunities. Research areas represented included carbonate sedimentology and stratigraphy, structural geology, geomechanics, hydrology, reactive transport modeling, seismic imaging (including four-dimensional seismic, tomography, and seismic forward modeling), geologic modeling and forward modeling of geologic processes, petrophysics, statistical methods, numerical methods for simulation, reservoir engineering, pore-scale processes, in-situ flow experiments (e.g., x-ray computed tomography), visualization, and methods for data interaction.
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Outcrops of the Cretaceous high-porosity sandstone of the Southeast Basin, France, show two main types of deformation structures: a large number of small-offset, shear-enhanced cataclastic deformation bands (DBs); and a small number of large (meters to decameters)-offset ultracataclastic fault zones. Microstructural analyses of the cataclastic DBs show that fragmentation produces strands of cataclastic fragment-supported matrix, separated by weakly fractured host rock, which cluster to form the DBs. The ultracataclastic fault zones, however, are composed of a matrix-supported ultracataclasite material. Permeability data show that the DBs reduce host-rock permeability by 0.5 to 2 orders of magnitude, whereas the ultracataclasites reduce permeability by approximately 4 orders. Simple calculations considering the structural frequency, thickness, and permeability of these faults suggest that, although the DBs may have an impact on single-phase flow, it is most likely to be less than a 50% reduction in flow rate in extensional contexts, but it may be more severe in the most extreme cases of structural density in tectonic shortening contexts. The larger ultracataclastic faults, however, despite their much lower frequency, will have a more significant reduction in flow rate, probably of approximately 90 to 95%. Hence, although they are commonly at or below the limit of seismic resolution, the detection and/or prediction of such ultracataclastic faults is likely to be more important for single-phase flow problems than DBs (although important two-phase questions remain). The study also suggests that it is inappropriate to use the petrophysical properties of core-scale DB structures as analogs to larger seismic-scale faults.
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The American Association of Petroleum Geologists sponsored a Hedberg Research Conference on Enhanced Geothermal Systems in Napa, California, March 18 to 23, 2011. The workshop was attended by 67 participants from 10 different countries: United States, Australia, Austria, Canada, Colombia, Germany, Malaysia, Netherlands, New Zealand, and Norway.
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In-Person Training
Houston Texas United States 11 November, 2014 11 November, 2014 17729 Desktop /Portals/0/PackFlashItemImages/WebReady/ec-fec-rock-fluid-interactions-and-natural-fracture-development-and-alteration.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Houston, Texas, United States
11 November 2014

This course is a practical approach to defining reservoir fluid and pressure related natural fracture generation and fracture property alteration in conventional and unconventional reservoirs.

Houston Texas United States 12 November, 2014 12 November, 2014 17734 Desktop /Portals/0/PackFlashItemImages/WebReady/ec-fec-practical-geomechanics-regional-stress-and-reservoir-geomechanics.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Houston, Texas, United States
12 November 2014

This interdisciplinary course encompasses the fields of rock mechanics, structural geology and petroleum engineering to address a wide range of geomechanical problems that arise during the exploitation of oil and gas reservoirs.

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
 
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 14522 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-ft-04-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Denver, Colorado, United States
30-31 May 2015

During this two-day field trip, we will examine classic exposures of the Middle to Upper Cretaceous (Cenomanian to Campanian) strata in the Southern Denver Basin near Pueblo, Colorado.

Denver Colorado United States 31 May, 2015 31 May, 2015 14603 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-sc13-rocks-to-models-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Denver, Colorado, United States
31 May 2015

This course addresses the concepts and methods of petroleum reservoir characterization and modeling through lectures, exercises and case studies.

Golden Colorado United States 04 June, 2015 06 June, 2015 14707 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-ft-12-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Golden, Colorado, United States
4-6 June 2015
This three-day field trip will examine examples of tight-oil reservoirs (Cretaceous Niobrara Formation, Codell member of Carlile Formation from the Denver and North Park basins), tight-gas reservoirs (Cretaceous J Sandstone, Codell and Williams Fork Sandstone, from both the Denver and Piceance basins), CBM reservoirs (Cretaceous Cameo Coals from the Piceance Basin) and potential oil shale resources (Green River Formation of the Piceance Basin).
Denver Colorado United States 04 June, 2015 04 June, 2015 14702 Desktop /Portals/0/PackFlashItemImages/WebReady/ace2015-ft-11-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Denver, Colorado, United States
4 June 2015
This trip will focus on defining the Niobrara formation from the outcrop scale to the well bore, and discuss the key parameters that have made this play work, both from a geologic and a reservoir standpoint. Furthermore, we will describe how Noble Energy has helped to lead the industry in Northern Colorado to safely, responsibly and efficiently develop this huge resource. We will visit both Niobrara outcrops and Noble Energy production facilities to illustrate our current subsurface understanding and best practices.
Las Negras Spain 08 June, 2015 13 June, 2015 31 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-Play-Concepts-and-Controls-on-Porosity-in-Carbonate-Reservoir-Analogs.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Las Negras, Spain
8-13 June 2015

The field seminar develops and evaluates the sequence stratigraphic framework and controls on location and reservoir character of Upper Miocene-Pliocene carbonate sequences from a variety of carbonate systems within the context of the regional paleogeography.

Calgary Alberta Canada 19 July, 2015 24 July, 2015 149 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-Seismic-Interpretation-in-Fold-and-Thrust-Belts.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Calgary, Alberta, Canada
19-24 July 2015
This structural field course in the Front Ranges of the Canadian Rockies focuses on relating outcrop to seismic expressions of compressive structural styles that are common in fold-and-thrust belts and deepwater passive margins (toe thrust belts) worldwide. Participants will recognize common types of structures in fold-and-thrust belts, apply fault-related folding concepts to interpret these structures, identify petroleum traps and their major structural risk elements, and recognize similarities between styles of trap and reservoir-scale deformation.
Casper Wyoming United States 24 August, 2015 28 August, 2015 1513 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-Casper-Fracture-School.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Casper, Wyoming, United States
24-28 August 2015

Take advantage of this unique opportunity to learn all the aspects related to the understanding and modeling of fractured reservoirs. Attendees will take geologic concepts and use them in reservoir modeling through hands-on sessions devoted to the examination of outcrop, core and log data. They will use that information and a software to create 3D fractured reservoir models. Using actual Teapot Dome (Wyoming, USA) field data from the Tensleep and Niobrara Shale formations and a hands-on approach, the workshop allows the geoscientist to identify fractures and to construct predictive 3D fracture models that can be used to identify productive zones, plan wells and to create fracture porosity and permeability models for reservoir simulation.

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.

Sydney 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
 
Sydney, 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.

Naples Italy 26 September, 2015 02 October, 2015 36 Desktop /Portals/0/PackFlashItemImages/WebReady/fs-carb-complex-carbonate-reservoirs-sedimentation.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Naples, Italy
26 September - 2 October 2015

The main part of the field seminar will focus on the description of the fractured carbonates and the extrapolation from the outcrop observations to the subsurface for building geologically plausible reservoir models.

Abu Dhabi United Arab Emirates 04 October, 2015 06 October, 2015 13097 Desktop /Portals/0/PackFlashItemImages/WebReady/third-eage-aapg-workshop-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Abu Dhabi, United Arab Emirates
4-6 October 2015

This workshop is the outgrowth of continued cooperation between AAPG & EAGE to develop a series of multi-disciplined gatherings dedicated to understanding, completing & producing tight sandstone & carbonate reservoirs.

Houston Texas United States 12 November, 2015 12 November, 2015 17736 Desktop /Portals/0/PackFlashItemImages/WebReady/ec-fec-mineralogy-aspects-of-reservoir-quality-evaluation-with-a-focus-on-clay-minerals.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
Houston, Texas, United States
12 November 2015

Through applied mineralogy, the student will learn what questions are relevant when formulating a work flow for a project, when evaluating real data, or when trying to figure out what might have “gone wrong” during a project.

Online Training
02 October, 2014 02 October, 2014 10593 Desktop /Portals/0/PackFlashItemImages/WebReady/esymp-concepts-of-scale-horizontal-development-of-wolfcamp-shale-oil-of-the-southern-midland-basin-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
2 October 2014
This course is ideal for individuals involved in Midland Basin exploration and development. Successful development of Wolfcamp shale oil relies on complex inter-relationships (ultimately interdependencies) within and between a wide variety of scientific disciplines, financial entities, and company partnerships. 
09 September, 2014 09 September, 2014 10591 Desktop /Portals/0/PackFlashItemImages/WebReady/esymp-fluid-migration-and-accumulation-within-the-mississippian-why-2-oil-cut-here-15-one-mile-away-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
9 September 2014
Water cut is a big factor in gauging the success of horizontal drilling in the Mississippi Lime Play (MLP). The contributing factors are related in part to the spectrum of producing lithofacies and reservoir quality encountered that varies laterally and vertically, sometimes dramatically. 
09 February, 2012 09 February, 2012 1477 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-seismic-reservoir-characterization-of-us-shales.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
9 February 2012

Projects in several shales will be discussed, including Marcellus, Eagle Ford, Haynesville, Fayetteville, Montney, and Barnett, as will several seismically-detectable drivers for success including lithofacies, stress, pre-existing fractures, and pore pressure.

10 November, 2011 10 November, 2011 1481 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-heterogeneity-in-carbonate-reservoirs.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
10 November 2011

This work investigates how heterogeneity can be defined and how we can quantify this term by describing a range of statistical heterogeneity (e.g. coefficient of variation and the Lorenz coefficient).

06 October, 2011 06 October, 2011 1479 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-recognizing-unconventional-pay-from-wireline-logs.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
6 October 2011

The e-symposium contains several case studies and log examples of bypassed pay and unconventional resources including Niobrara, Bakken, Marcellus, offshore GOM and others examples including processed log quality issues.

10 September, 2013 10 September, 2013 1498 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-using-production-preformance-data-to-improve-geological-models.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
10 September 2013

The goal of this e-symposium is to review an important dimension in the ways geologist can build and update geological models using information from performance data.

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.

08 December, 2011 08 December, 2011 1480 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-connectivity-in-fluvial-systems.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
8 December 2011

This e-symposium focuses on methods for predicting connectivity within clastic fluvial systems.

15 March, 2012 15 March, 2012 1484 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-exploring-the-geopressure-risk-in-deep-water-frontier-plays.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
15 March 2012

This e-symposium presents techniques for predicting pore pressure in seals by examining case studies from the Gulf of Mexico and incorporating the relationship between rocks, fluids, stress, and pressure.

26 September, 2013 26 September, 2013 1497 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-overpressure-in-shale-gas.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
26 September 2013

The presentation will discuss key reservoir information and how to develop a predictive pressure model.

08 November, 2012 08 November, 2012 1493 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-proppant-selection-drivers-in-unconventional-resources.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
8 November 2012

This talk will present a brief overview of proppants followed by a comprehensive discussion of the major considerations that are driving proppant selection in these plays.

17 March, 2011 17 March, 2011 1470 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-basic-tools-for-shale-exploration.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
17 March 2011

This e-symposium will provide information on which tools, processes, and procedures all geoscientists, engineers, and technical professionals working in shale plays need to understand and implement.

21 October, 2010 21 October, 2010 1464 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-evaluating-mature-fields.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
21 October 2010

This e-symposium covers how to conduct an interdisciplinary evaluation of mature fields to determine the best approach to recover remaining reserves.

25 January, 2011 25 January, 2011 1454 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-integrating-discipline-data-and-workflows-in-resource-play.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
25 January 2011

This esymposium takes a close look at workflows associated with resource plays, and analyzes where integration must occur between disciplines, data, and workflows at all phases of the process.

22 October, 2009 22 October, 2009 1452 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-fluvial-stratigraphy.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
22 October 2009

This course can help you gain the ability to describe the complex and highly variable reservoirs, which are typified by complex internal heterogeneity.

21 May, 2009 21 May, 2009 1443 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-how-tight-is-your-gas.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
21 May 2009

This e-symposium introduces you to the practical benefits of thermal profiling for a variety of unconventional oil and gas projects, including tight gas sands, oil shale, low-gravity oil.

27 March, 2009 27 March, 2009 1435 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-es-the-many-faces-of-gis.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
27 March 2009

Join two GIS/geoscience experts Scott Sires and Gerry Bartz as they use information from the Teapot Dome Field in Wyoming (DOE/RMOTC program).

01 January, 2013 01 January, 9999 1473 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-cc-unconventional-resources.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
1 January 2013 - 1 January 9999

Unconventional Resources is an online course that enables participants to learn about shale gas, shale oil and coalbed methane.

01 January, 2013 01 January, 9999 1472 Desktop /Portals/0/PackFlashItemImages/WebReady/oc-cc-introduction-to-shale-gas.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
1 January 2013 - 1 January 9999

This course introduces the learner to the fundamentals of shale gas, including current theories that explain its origin, and how to determine which reservoirs are commercially viable.

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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