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29 Apr

2nd Edition: Geological Process-Based Forward Modeling AAPG Call For Abstracts Expires in 3 days

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Explorer Geophysical Corner By Kurt Marfurt,Satinder Chopra

Improving the Quality of Coherence and Curvature Attributes By Using Multispectral Dip Components

Coherence and curvature are iconic attributes now commonly available on most interpretation workstations that help characterize small- and large-scale faults, large fractures, pinch-outs, buried channels, reef edges and unconformities. The quality of both these attributes, among other factors, relies on accurate estimates of volumetric dip. Coherence, amplitude gradients and GLCM texture attributes should be computed along structural dip, while curvature is computed from volumetric estimates of structural dip. Due to differences in both resolution and sensitivity to coherent noise, different frequency components might exhibit different dip. Such awareness has led to the development of multispectral coherence that makes use of summation of covariance matrices of individual spectral components, rather than just the covariance matrix computed from broadband seismic data.

Added on 01 June, 2020

Explorer Historical Highlights By William DeMis

A Brief History of Oil’s Value

History is repeating itself today as low oil prices force collaboration between OPEC and non-OPEC producers. An historical analysis of the real global price of oil shows that OPEC will push up prices when the value of oil drops, as in 1995, or work with non-OPEC countries to defend a value floor, as in 1999 and in 2016 until the present. This value floor is defined by times when OPEC advocated abandoning the U.S. dollar as a basis for pricing oil, or when OPEC and non-OPEC countries collaborated.

Added on 01 June, 2020

Explorer Emphasis Article By Barry Friedman

Geomechanical Modeling Facilitates Better Production, Safer Drilling

Considering that success or failure of unconventional exploration is largely dependent on drilling horizontal wells in the right area and fracturing efficiently, and considering also that geomechanical modeling facilitates these processes, it is easy to see that when industry professionals have a better perspective of the subsurface mechanics, the better chance they have for increased production. That is the point of geomechanical modeling: safer drilling and increased production.

Added on 01 June, 2020

Explorer Emphasis Article By Barry Friedman

A New Approach to Automated Well-Log Correlation in Three Dimensions

Geologists will soon have a set of software tools that can automatically correlate hundreds of stratigraphic tops that will encompass thousands of well logs. The new approach – a software Python package, ChronoLog – will potentially change how such compilations are done.

Added on 01 June, 2020

Explorer Emphasis Article By David Brown

Unconventionals Persist, Despite Everything

In a world that has seen rock-bottom oil prices, a sharp decline in energy demand, constrained funding for oil and gas and a worldwide COVID-19 pandemic, the future for unconventional resources looks – Challenging. Although, not too bad. That might seem counter-intuitive, but many analysts say the outlook for unconventionals remains positive even as the oil industry goes through a period of struggle and woe.

Added on 01 June, 2020

Explorer Emphasis Article By David Brown

Anadarko Basin: A Super Super Basin

They might have to invent a new designation for the Anadarko Basin: “super-super basin.” An extraordinarily deep basin, it towers far above the standard definition of a Super Basin – a basin containing multiple reservoirs and source rocks with cumulative production of at least 5 billion barrels of oil equivalent, and future production potential of more than 5 billion boe. The Anadarko has all that and more.

Added on 01 June, 2020

Learn! Blog By Susan Nash

Interview with Gil Machado on Salt Biostratigraphy: Science and Technology Showcase

Fossils and microfossils can be used to determine information about evaporites as well as carbonates and clastics. This is an area that is growing in importance. Join Susan Nash for an interview with Gil Machado, Ph.D. from the University of Lisbon who discusses salt biostratigraphy and its new usefulness.

Added on 15 May, 2020

Asia Pacific Blog By Adrienne Pereira

Posamentier and Jackson to Kickoff AP Digital Events Series

AAPG Asia Pacific is proud to announce the first two sessions of AAPG Asia Pacific Presents, a collection of online presentations being offered free of charge.

Added on 07 May, 2020

Learn! Blog By Susan Nash

Interview with Mike Raines: Science and Technology Showcase Series

CCS (Carbon Capture and Storage) and CCUS (Carbon Capture Use and Storage) are playing an increasingly important role in reducing the amount of carbon dioxide in the atmosphere. Geologists are contributing in several vital ways. Welcome to an interview with Mike Raines, who talks to us today about his experience with carbon capture, use, and storage, and also his view of recent trends and opportunities.

Added on 01 May, 2020

Explorer Article

Announcing the AAPG Climate Statement

In July 2019, when the current AAPG Executive Committee took office, they inherited one piece of outstanding business: review the AAPG Climate Statement that had been approved by the previous EC, but also tabled for approval by the incoming EC. Over the last seven months, and long before the two black swan events that are wreaking havoc on our industry and our Association, the EC engaged many of the Association’s stakeholders, including the divisions, the Advisory Council, the Corporate Advisory Board and, by way of a survey, our members.

Added on 01 May, 2020

Workshop

Houston, Texas

Thursday, 6 June – Friday, 7 June 2024, 8:00 a.m.–1:00 p.m.

Geothermal, Lithium, Hydrogen: New Energy from Subsurface Fluids Conference

For the first time, the American Association of Petroleum Geologists and Geothermal Rising are bringing together geothermal, critical minerals and gases to explore the connections between them, either in the formation of the reservoirs or reserves, or in exploring for, evaluating, and producing them. Specifically, the conference will bring together geothermal, lithium, geologic hydrogen, helium, iodine, and more in the form of technical presentations, probing panel discussions, poster sessions, and more.

Added on 12 March, 2024

DL Abstract By Isabelle Moretti

The Natural H₂ Exploration Started: Why, Where and by Who?

Why H₂ is generated in subsurface? Which are the reactions and the promising geological setting? Example in countries where H₂ have already been found: Australia, Brazil. Kinetic reactions: i.e., Is the natural H₂ renewable? What we don't know yet about this resource and about the H₂ systems (generation/transport/accumulation). Overview of the current landscape (subsurface law, permitting, E&P activity)

Request a visit from Isabelle Moretti!

Added on 13 September, 2023

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Book Reviews

Book Review

Memoir 121: Integrated Geology of Unconventionals: The Case of the Vaca Muerta Play, Argentina

This Memoir presents a chapter on each main geological discipline involved in unconventional plays, and provides five case studies describing the workflow to obtain production. The ultimate goal of this Memoir is to contribute to the comprehension of unconventional plays by sharing the rich outcomes of our “socio-scientific” experiment of coopetition.

Added on 04 September, 2020

Book Review

MEMOIR 100: Tectonics and Sedimentation: Implications for Petroleum Systems

This 18-chapter volume is small enough to focus on the interplay among tectonics, sedimentation, and petroleum systems. Yet it is big enough to cover the diversity of structural styles in important petroliferous sedimentary basins around the globe. Product #1174. Price: Member $174 / List $174.

Added on 01 December, 2018

Book Review

Memoir 111: 3-D Structural Interpretation: Earth, Mind, and Machine

This volume sets out to understand more about the convergence of geology, 3-D thinking, and software, which collectively provide the basis for truly effective interpretation strategies. Product #1280. Price: Member $74/List $148.

Added on 01 December, 2017

Book Review

Memoir 77 - Color Guide to Petrography of Carbonate Rocks

This volume expands and improves the AAPG 1978 classic, A Color Illustrated Guide to Carbonate Rock Constituents, Textures, Cements, and Porosities (AAPG Memoir 27). Product #649. SALE Price $24 (Regularly priced: Member $48 / List $68)

Added on 01 June, 2018

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