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Play Types

Explorer Article

In the world of oil and gas, an increasing number of plays in stratigraphic traps are being made – in large part due to ever-evolving seismic technology. The Discovery Thinking forum at the annual IMAGE conference in August served to highlight some of these plays in offshore frontier basins and the role that geophysics played in their discovery. “We are seeing more giant stratigraphic fields, and seismic is the key,” said past AAPG President Charles A. Sternbach, chair of the Discovery Thinking forum. “And, we are seeing more oil found at greater depths. Unconventional plays are migrating outside of the Western Hemisphere.”

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American Association of Petroleum Geologists (AAPG)
Explorer Historical Highlights

People often associate Utah with spectacular canyons cut into the Colorado Plateau, the state’s five national parks, incredible skiing in the beautiful mountains, the opportunity to wade around in the briny water of Great Salt Lake or hearing the Mormon Tabernacle Choir sing the “Hallelujah Chorus.” Visitors to the state, as well as most of its citizens, don’t think of Utah as a major producer of oil and gas. However, Utah has consistently ranked among the highest oil and gas producers in the United States.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

Depleted horizontal oil and gas wells could have a second life storing renewable energy, according to researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory. Because renewable forms of electricity generation like solar and wind require low-cost energy storage, the NREL researchers propose using depleted hydraulically fractured oil and gas wells to store electrical energy in the form of compressed natural gas to be released to spin an expander/generator when electrical demand is high.

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American Association of Petroleum Geologists (AAPG)
Explorer Director’s Corner

During the height of the pandemic, Society of Exploration Geophysicists Executive Director Jim White and I discussed how we could work better together – delivering an innovative conference for petroleum and energy geoscientists that also involved other geoscience disciplines focused on solving real world challenges. Our elected leaders at the time supported the vision for AAPG and SEG to create a new, joint annual meeting: the International Meeting for Applied Geoscience and Energy, or “IMAGE,” conducted in cooperation with SEPM. We’re eager and ready for IMAGE ’22 in Houston at the end of this month, and hope that you are, too.

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American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

People familiar with the energy business know that most existing vertical wells produce little oil or gas. They might be surprised how many horizontal wells fall into the same category. Under the right circumstances, this growing number of wells in decline could represent an investment opportunity. Or, it might become a giant abandonment headache for the oil industry.

American Association of Petroleum Geologists (AAPG)
Explorer Division Column DPA

Hello Division of Professional Affairs and AAPG members, I’d like to welcome you to the first DPA column in my term as DPA president 2022-23. As I begin this appointment, I’ve been reflecting on the events of recent years and considering the challenges and changes we’ve faced through the pandemic – personally and professionally, as an industry and as members of a global community.

American Association of Petroleum Geologists (AAPG)
Explorer Article

The AAPG Women’s Network is excited to provide attendees at next month’s International Meeting for Applied Geoscience and Energy with a variety of events throughout the conference. There is something for everyone!

American Association of Petroleum Geologists (AAPG)
Explorer Geophysical Corner

It is well known that machine learning is based on complex statistics and programming, which for most of us, are not straightforward. When it comes to choosing the best technique, either supervised or unsupervised, the decision might not be easy and sometimes may even be overwhelming. Where do you even begin? Luckily, much research has been done recently to help geologists find an ideal starting algorithm, or the best machine-learning package. Here we discuss how just focusing on your choice of parameterization in a given machine-learning algorithm is one easy way to obtain better results without having to switch from technique to technique.

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American Association of Petroleum Geologists (AAPG)
Explorer Article

Global events of recent years have driven the oil and gas industry to make major changes to its workforce and operations, and the professional and scientific associations that serve the industry have had to evolve and adapt to accommodate those changes, particularly with regard to the programs they offer. The Imperial Barrel Award competition is no exception. An AAPG staple since 2007 and one of the Association’s most prestigious and visible programs, the IBA has undergone multiple changes during the past two years.

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American Association of Petroleum Geologists (AAPG)
Explorer Regions and Sections

Many geologists have earned their field trip stripes in the Guadalupe Mountains in West Texas, but fewer have heard – and braved the dangers – of hiking the mysterious and mineral-rich Franklin Mountains north of El Paso. The Franklin Mountain region is a west-tilting series of horst blocks that became 5,000-7,200-foot tall mountains as a result of the Laramide orogeny. The sheer eastern escarpment exposes rocks dating from the Pennsylvanian down to 1.25-billion-year-old basement granite. It was a “field trip through time” focused on the Cambrian, Ordovician, Silurian and Devonian formations, representing more than 100 million years of geologic history.

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American Association of Petroleum Geologists (AAPG)
Workshop
Kuala Lumpur, Malaysia
Monday, 2 October Tuesday, 3 October 2023, 8:00 a.m.–5:00 p.m.

AAPG and EAGE have teamed up to deliver the upcoming New Discoveries in Mature Basins workshop to be held from 2-3 October 2023 in Kuala Lumpur, Malaysia. Save the date! Registration to open soon.

American Association of Petroleum Geologists (AAPG)
Workshop
Khobar, Saudi Arabia
Monday, 27 November Wednesday, 29 November 2023, 8:00 a.m.–5:00 p.m.

Mark your calendars and save the date to attend the 5th edition of the AAPG Siliciclastic Reservoirs of the Middle East GTW which will be held for the first time in Al-Khobar, Saudi Arabia from 27-29 November 2023. We look forward to having you on board for the new edition of these popular series.

American Association of Petroleum Geologists (AAPG)
Workshop
Muscat, Oman
Monday, 13 November Wednesday, 15 November 2023, 8:00 a.m.–5:00 p.m.

Exciting announcement for all geoscientists interested in structural styles. The 3rd edition of the AAPG Structural Styles of the Middle East is coming back to Oman from 13-15 November 2023. Come join us to learn all the latest developments on the topic!

American Association of Petroleum Geologists (AAPG)
Workshop
Khobar, Saudi Arabia
Monday, 9 October Wednesday, 11 October 2023, 8:00 a.m.–5:00 p.m.

Join us for the 4th Edition of: "Stratigraphic Traps of the Middle East" workshop. The workshop will be hosted by AAPG in Al Khobar, Saudi Arabia 9-11 October 2023.

American Association of Petroleum Geologists (AAPG)
Workshop
Khobar, Saudi Arabia
Monday, 8 May Wednesday, 10 May 2023, 8:00 a.m.–5:00 p.m.

“Wait! There is a short cut. Turn right from here”. That’s probably the sound of an electric current bypassing the resistive hydrocarbons, in a maze or network of porous media, when traveling from transmitter to receiver. This workshop will serve the participants need with the up to date advancements in describing and characterizing low resistivity and low contrast pay, and eventually, maximize resources.

American Association of Petroleum Geologists (AAPG)
Workshop
Lisbon, Portugal
Wednesday, 21 June Thursday, 22 June 2023, 8:00 a.m.–5:00 p.m.

Secure energy supply and energy immediate availability are key subject for a peaceful and sustainable growth in developed countries and in particular in Europe. This workshop will bring together professionals working in industry and in academia to share experiences, present-day work and future visions related to all geo-subjects involving exploration and development of energy sources in the subsurface.

American Association of Petroleum Geologists (AAPG)
Workshop
Paramaribo, Suriname
Thursday, 2 November Friday, 3 November 2023, 8:00 a.m.–5:00 p.m.

Plan now to attend an interactive in-person workshop with industry leaders, government representatives and technical experts working in the Guyana-Suriname Basin.

American Association of Petroleum Geologists (AAPG)
Workshop
Barranquilla, Colombia
Wednesday, 8 February Thursday, 9 February 2023, 8:00 a.m.–6:00 p.m.

Join technical experts, industry leaders and government representatives for an interactive in-person workshop highlighting onshore and offshore E&P opportunities, new technologies and sustainable development strategies working in Colombia, Trinidad & Tobago, Barbados, Jamaica, and the Dominican Republic.

American Association of Petroleum Geologists (AAPG)
Workshop
Rio de Janeiro, Brazil
Tuesday, 9 May Wednesday, 10 May 2023, 8:00 a.m.–6:00 p.m.

Plan now to attend an interactive in-person workshop with industry leaders, government representatives and technical experts working to help Brazil maintain its E&P capacity while transitioning to a decarbonized economy.

American Association of Petroleum Geologists (AAPG)
Workshop
Muscat, Oman
Monday, 16 January Wednesday, 18 January 2023, 8:00 a.m.–5:00 p.m.

The sedimentary basins of the Middle East have been proved to contain vast hydrocarbon reserves, sourced by some of the most prolific petroleum systems in the world. This is the product of a range of factors, not least the long-lived, relative stability of the Arabian Plate and the presence of multiple, prolific organic source rocks. This workshop will address these and other subjects and to discuss the main challenges present in our current understanding of petroleum systems in the Middle East.

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American Association of Petroleum Geologists (AAPG)
Workshop
Lviv, Ukraine
Thursday, 21 September Friday, 22 September 2023, 8:00 a.m.–5:00 p.m.

Join us for a workshop where experts will  explore the Carpathian foreland and the Dnieper-Donetsk rift basins with a focus not only on hydrocarbons, but the utilization of geothermal resources, hydrogen exploration and CCUS.

American Association of Petroleum Geologists (AAPG)
Workshop
Lisbon, Portugal
Wednesday, 21 June Thursday, 22 June 2023, 8:00 a.m.–5:00 p.m.

This 2-day conference brings together diverse experts working on modern and ancient turbidite, MTDs, contourite and hybrid/mixed systems in order to improve the present-day knowledge, models and predictive power.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 23 July 2009, 12:00 a.m.–12:00 a.m.

As commodity prices have dropped, many shale plays have become uneconomical as statistical plays and have increasingly become recognized as geological plays demanding new insights from data.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Tuesday, 2 December 2014, 2:00 p.m.–3:00 p.m.

The gas transport in organic-rich shales involves different length-scales, from organic and inorganic pores to macro- and macrofractures. In order to upscale the fluid transport from nanoscale (flow through nanopores) to larger scales (to micro- and macrofractures), multicontinuum methodology is planned to be used.

American Association of Petroleum Geologists (AAPG)
Webinar
Virtual Webinar
Thursday, 25 June 2020, 8:00 a.m.–9:00 a.m.

Panelists will discuss current unconventional resource activities in North America, including key plays that remain competitive and potential for future growth. They also will address the key challenges for unconventional resources to stay competitive in the global market: maintaining cashflow, reducing expenditures, improving capital and production efficiencies and managing resources. Virtual Forum to be presented via Zoom.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 24 October 2013, 12:00 a.m.–12:00 a.m.

This e-symposium will be introducing signal processing techniques as a means to maximize extracting geomechanical data from petrophysical logs.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 25 March 2010, 12:00 a.m.–12:00 a.m.

The presentation describes a well established fracture modeling workflow that uses a standard 3D seismic, conventional logs, image logs and data from one core to build predictive 3D fracture models that are validated with blind wells.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 22 July 2010, 12:00 a.m.–12:00 a.m.

Upon successful completion of this course, you will be able to describe geomechanics in shale reservoirs and discuss differences between plays.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 12 July 2012, 12:00 a.m.–12:00 a.m.

This presentation will look at well placement vertically in the pay, well azimuth and well trajectory with explanations of how geology and post-depositional effects can make the difference between a successful well and a failure.

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 28 April 2011, 12:00 a.m.–12:00 a.m.

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

American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 9 September 2010, 12:00 a.m.–12:00 a.m.

The presentation will focus on hydraulic fracture geometry in shales, the materials used in the fracturing process, and treatment monitoring via microseismic.

American Association of Petroleum Geologists (AAPG)
Online Certificate Course
Tuesday, 1 January 2013, 12:00 a.m.–1:00 a.m.

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

American Association of Petroleum Geologists (AAPG)
VG Abstract

Production from unconventional petroleum reservoirs includes petroleum from shale, coal, tight-sand and oil-sand. These reservoirs contain enormous quantities of oil and natural gas but pose a technology challenge to both geoscientists and engineers to produce economically on a commercial scale. These reservoirs store large volumes and are widely distributed at different stratigraphic levels and basin types, offering long-term potential for energy supply. Most of these reservoirs are low permeability and porosity that need enhancement with hydraulic fracture stimulation to maximize fluid drainage. Production from these reservoirs is increasing with continued advancement in geological characterization techniques and technology for well drilling, logging, and completion with drainage enhancement. Currently, Australia, Argentina, Canada, Egypt, USA, and Venezuela are producing natural gas from low permeability reservoirs: tight-sand, shale, and coal (CBM). Canada, Russia, USA, and Venezuela are producing heavy oil from oilsand. USA is leading the development of techniques for exploring, and technology for exploiting unconventional gas resources, which can help to develop potential gas-bearing shales of Thailand. The main focus is on source-reservoir-seal shale petroleum plays. In these tight rocks petroleum resides in the micro-pores as well as adsorbed on and in the organics. Shale has very low matrix permeability (nano-darcies) and has highly layered formations with differences in vertical and horizontal properties, vertically non-homogeneous and horizontally anisotropic with complicate natural fractures. Understanding the rocks is critical in selecting fluid drainage enhancement mechanisms; rock properties such as where shale is clay or silica rich, clay types and maturation , kerogen type and maturation, permeability, porosity, and saturation. Most of these plays require horizontal development with large numbers of wells that require an understanding of formation structure, setting and reservoir character and its lateral extension. The quality of shale-gas resources depend on thickness of net pay (>100 m), adequate porosity (>2%), high reservoir pressure (ideally overpressure), high thermal maturity (>1.5% Ro), high organic richness (>2% TOC), low in clay (<50%), high in brittle minerals (quartz, carbonates, feldspars), and favourable in-situ stress. During the past decade, unconventional shale and tight-sand gas plays have become an important supply of natural gas in the US, and now in shale oil as well. As a consequence, interest to assess and explore these plays is rapidly spreading worldwide. The high production potential of shale petroleum resources has contributed to a comparably favourable outlook for increased future petroleum supplies globally. Application of 2D and 3D seismic for defining reservoirs and micro seismic for monitoring fracturing, measuring rock properties downhole (borehole imaging) and in laboratory (mineralogy, porosity, permeability), horizontal drilling (downhole GPS), and hydraulic fracture stimulation (cross-linked gel, slick-water, nitrogen or nitrogen foam) is key in improving production from these huge resources with low productivity factors.

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American Association of Petroleum Geologists (AAPG)

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