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Little more than a novelty when first discovered, helium has become a key commodity. It is used extensively in medical cryogenics, analytical and lab applications, breathing mixtures, as a lift gas, for arc welding, leak detection and, contrary to popular belief, only a little is used to inflate party balloons. There are few substitutes for helium and so, as its applications have become more common, demand has grown and supply is struggling to match demand.

Show more American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/The-Emergence-of-the-Helium-Industry-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true The History of Helium Exploration, Part 1 of 2 The Emergence of the Helium Industry
 

The challenges of the Mina El Carmen Formation can be overcome by evaluating the application of various interpretation tools and special processes, so that the reservoir sands can be detected and visualized in terms of their geometry, orientation, extension, thickness and position in the stratigraphic column.

American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/Identification-of-Isolated-Complex-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Identification of Isolated Complex Productive Reservoirs in Fault-Controlled Fluvial Systems
 

Exploration and development drilling along the upper region of the Middle Pennsylvanian Red Fork Sandstone has been going on since 1979 in the western part of the Anadarko basin of Oklahoma. Fangyu Li, a postdoctoral research associate in the College of Engineering at the University of Georgia, said the latest technology in multispectral coherence is developing to a point where scientists can see more of what’s down there and they can see it more clearly.

Show more American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/mapping-the-red-fork-sandstone-with-multispectral-coherence-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Mapping the Red Fork Sandstone with Multispectral Coherence
 

With the U.S. Department of the Interior calling for updated assessments of the oil and gas resources on Alaska’s North Slope, most surprisingly the tightly regulated 1002 Area of the Arctic National Wildlife Refuge, geologists are preparing for the possibility of exploring a frontier believed to be rich in hydrocarbon resources.

American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/stinson-well-could-be-key-to-alaskas-anwr-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Stinson Well Could Be Key to Alaska's ANWR
 

The summer of 2017 is the summer for AAPG and the Visiting Geoscientist Program! Each Tuesday and Thursday, beginning 6 June, join Visiting Geoscientist Fred Schroeder for a one-hour live webinar. The series follows a two-semester course designed and developed by Schroeder to instruct students on the basics of geology and geophysics in the petroleum industry.

American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/2017-VGP-Webinar-Series-Blog-Hero.png?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Visiting Geoscientist Fred Schroeder presents live every Tuesday and Thursday Free Summer Webinar Series Begins 6 June
 

The present day Cretaceous Codell oil and gas development in the central portion of the Denver Basin of Colorado can be attributed to an earlier effort in bringing the Codell to the attention of the industry.

American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/raymonds-folly-the-codell-play-of-the-denver-basin-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Raymond’s Folly: The Codell Play of the Denver Basin
 

The driving forces for conventional accumulations (structural or stratigraphic traps) are Forces of Buoyancy which are due to differences in densities of hydrocarbons and water. In contrast, the driving forces for unconventional tight accumulations are Forces of Expulsion which are produced by high pressures. That is an enormous difference and creates unconventional petroleum systems that are characterized by very different and distinctive characteristics. The Force of Expulsion pressures are created by the significant increase in volume when any of the three main kerogen types are converted to hydrocarbons. At those conversion times in the burial history, the rocks are already sufficiently tight so the large volumes of generated hydrocarbons cannot efficiently escape through the existing tight pore system, thus creating a permeability bottleneck that produces an overpressured compartment over a large area corresponding to the proper thermal oil and gas maturities for that basin. The forces initially created in these source rocks can only go limited distances into adjacent tight reservoirs (clastics or carbonates) above or below the source. The exact distance will vary depending on the pressure increase, matrix permeability, and fractures of that specific tight reservoir system. In general, the distances are small, in the orders of 10s to 100s of feet for oil and larger for more mobile gas systems. Those exact distance numbers are subject to ongoing investigations.  

A plot of the pressure data versus elevation for a given formation is critical in determining whether an accumulation is conventional or unconventional. Conventional accumulations will have hydrocarbon columns of 10s to 100s of feet with the pressure in the hydrocarbons and that in the water equal at the bottom of the accumulation (at the HC-water contact). In contrast, the unconventional accumulations will show HC column heights of 1000s of feet with the pressure in the hydrocarbon phase and the water phase being the same at the top of the accumulation (at the updip transition zone). Those significant differences are critical for understanding and differentiating these two play types. Because the system is a pore throat bottleneck with very little or minimum lateral migration, the type of hydrocarbon s are closely tied to the thermal maturity required to generate those hydrocarbons. Thus the play concept begins with two important geochemical considerations: (1) where are the source rocks and what are the kerogen types and organic richness (TOC), and (2 ) where are they mature in the basin for oil, condensate, and gas in the basin. These parameters will very quickly define the fairway for the play. Then one has to add the critical information on the reservoirs themselves: composition (brittleness), thickness, and reservoir quality (matrix porosity and permeability). In summary, these tight unconventional petroleum systems (1) are dynamic , and (2) create a regionally inverted petroleum system with water over oil over condensate over gas for source rocks wit h Type I or II kerogen types.

Show more American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/sd-Our-Current-Working-Model-for-Unconventional-Tight-Petroleum-Systems-Oil-and-Gas-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Our Current Working Model for Unconventional Tight Petroleum Systems: Oil and Gas
 

The recent and apparently large oil discoveries on Alaska’s North Slope by Caelus Energy Alaska and Armstrong Oil & Gas, Inc. and its partner Repsol have shown the world that giants may still exist in the 49th state. And, more might be waiting to be found.

American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/alaskas-north-slope-heats-up-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Alaska’s North Slope Heats Up
 

Primary research in hydrocarbon generation is yielding new insights into the natural gas geochemical characteristics of conventional and unconventional reservoirs, along with discoveries relating to the geomechanical processes. Welcome to an interview with Chenglin Liu, China University of Petroleum-Beijing, who discusses enlightening new findings regarding the relationship between salinity and hydrocarbon geochemical characteristics.

American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/blog-learn-interview-chenglin-liu-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Innovators in Geosciences Series Uncovering Relationships Between Salinity and Hydrocarbon Geochemistry: Interview with Chenglin Liu
 

Don't get left behind! Drones and drone-derived digital data are the hottest growth areas around. Combine your geoscience knowledge with new technology, both on the data acquisition side (fly that drone!) and in the project design and data interpretation (make high-powered maps and see what no one else has seen!).

AAPG is offering two courses and a two-day GTW to equip you with practical knowledge you can leverage into a great new career opportunity.

Combining a workshop with two courses is a great way to expand your knowledge and save time in your already hectic schedule."The New Opportunities with Drones: New Needs, FAA Rule Changes, New Technologies" workshop brings together experts, equipment providers, robotics experts, and others knowledgeable in a wide range of commercial drone usage, which includes monitoring in the oil industry, digital outcrop surveying, safety and security monitoring, utility inspection, real estate, agriculture, construction, environmental protection, and more.

"Working with Drone Data 101" short course, is beneficial to anyone interested in learning more about Unmanned Aerial Systems (UAS) and how they can play a part in mapping and information services. Drones are used in the oil and gas industry from upstream to downstream, and in many other industries.

The second course, "Use of Surface Geochemistry in Petroleum Exploration" is a one day discussion of the use of surface geochemistry in petroleum exploration for conventional production. This course will help utilize an additional tool in the toolbox to find conventional oil and gas in mature to unexploited basins.

Show more American Association of Petroleum Geologists (AAPG)
Mobile /Portals/0/PackFlashItemImages/WebReady/Drones-and-Surface-Digital-Data-hero.jpg?width=100&h=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true AAPG Short Courses and Workshop — All in Houston, TX | November 29-30 and December 1-2, 2016 Drones and Surface Digital Data: 2 Short Courses + a GTW = Expanded Career Opportunities
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In-Person Training
Barranquilla Atlántico Colombia 26 March, 2020 27 March, 2020 54605 Mobile /Portals/0/PackFlashItemImages/WebReady/gtw-lacr-exploration-development-in-southern-caribbean-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true Business and Economics, Risk Analysis, Basin Modeling and Geochemistry, Basin Modeling, Maturation, Migration, Oil and Gas Analysis, Oil Seeps, Petroleum Systems, Source Rock, Thermal History, Geophysics, Seismic, Magnetic, Gravity, Direct Hydrocarbon Indicators, Petrophysics and Well Logs, Clastics, Sedimentology and Stratigraphy, Conventional Sandstones, Deep Sea / Deepwater, Deepwater Turbidites, Eolian Sandstones, Fluvial Deltaic Systems, High Stand Deposits, Incised Valley Deposits, Marine, Regressive Deposits, Sheet Sand Deposits, Shelf Sand Deposits, Slope, Transgressive Deposits, Sequence Stratigraphy, Structure, Structural Analysis (Other), Tectonics (General), Geomechanics and Fracture Analysis, Fold and Thrust Belts, Compressional Systems, Structural Traps, Deep Basin Gas, Tight Gas Sands, Stratigraphic Traps, Member
 
Barranquilla, Atlántico, Colombia
26-27 March 2020

The AAPG Latin America & Caribbean Region and the Colombian Association of Petroleum Geologists and Geophysicists (ACGGP) invite you join us for GTW Colombia 2020, a specialized workshop bringing leading scientists and industry practitioners to share best practices, exchange ideas and explore opportunities for future collaboration.

The 2-day workshop brings together technical experts and industry leaders from Colombia and throughout the Americas to take a multidisciplinary look at future opportunities for exploration and development of Southern Caribbean Frontier Basins.

Online Training
19 March, 2015 19 March, 2015 16283 Mobile /Portals/0/PackFlashItemImages/WebReady/New-Insights-into-the-Stratigraphic-Framework-hero.jpg?width=100&height=100&mode=crop&anchor=middlecenter&quality=75amp;encoder=freeimage&progressive=true
 
19 March 2015

A detailed biostratigraphic analysis and stratigraphic framework of the Paleocene and Eocene Chicontepec Formation in the Tampico-Misantla basin, onshore eastern Mexico, was conducted using 33 wells.

01 January, 2013 01 January, 2013 1459 Mobile /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

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.

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