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Petrophysics and Well Logs

Explorer Article

The call for abstracts has been issued for the next Unconventional Resources Technology Conference, which will be held July 20-22 in San Antonio.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

At first glance it seems there’s not much overtly new about drilling in the Mississippi Lime – or overtly new about the Mississippi Lime play, either, for that matter – a play that oozes from northern Oklahoma through southern Kansas (and some say, perhaps, to Nebraska).

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

AAPG is committed to connecting promising original research with much-needed funding and is continually seeking – and finding – new ways to make that potential a reality.

American Association of Petroleum Geologists (AAPG)
Explorer Emphasis Article

Unconventional plays are producing hundreds of wells within relatively small spaces, and all are cranking out more data than any human could possibly track. It’s a fact that has driven the oil and gas industry to search for technology that can intelligently quantify such data and increase the odds of a discovery.

American Association of Petroleum Geologists (AAPG)
Learn! Blog

Discover the basic fundamentals of structural geology, the response of natural materials to deformation, and what changes occur due to the application of stress and or strain energy. Practical Geomechanics will be covering the many aspects of exploration, assessment and production phases of petroleum reservoir development.

American Association of Petroleum Geologists (AAPG)
Learn! Blog

Looking at a formation as a source rock, then turning around and considering it a viable reservoir requires you to be able to shift your thinking and to analyze a great deal of data in a new way. If you don’t, you risk not understanding the nature of “sweet spots” and how to accurately complete or use reservoir characterization studies.

American Association of Petroleum Geologists (AAPG)
Explorer Article

The second annual Unconventional Resources Technology Conference, which once again threw a multidiscipline spotlight on new approaches, technology and science being used to develop unconventional plays, attracted more than 5,000 attendees– a 25 percent increase over last year’s inaugural event – to Denver’s Colorado Convention Center in late August.

American Association of Petroleum Geologists (AAPG)
Learn! Blog

Designed for geologists, geophysicits, petrophysicists and petroleum engineers this course will present the concepts of sedimentary geochemistry and biogeochemistry, along with the framework to interpret elemental and mineralogical records in such organic rich mudstone sequences

American Association of Petroleum Geologists (AAPG)
Learn! Blog

Recent announcements have positioned the Springer Shale as a potentially prolific producer at 12,500 ft depth, with Continental Resource’s initial tests producing more than 2,000 barrels per day.The Springer, which is a Mississippian-Pennsylvanian boundary zone formation has been an important oil and gas producer in both southern Oklahoma and in the Anadarko Basin.

American Association of Petroleum Geologists (AAPG)
Learn! Blog

Listen to Dr. Ronald Nelson as he shares his knowledge and insights on a practical approach to defining reservoir fluid and pressure related natural fracture generation and fracture property alteration in conventional and unconventional reservoirs.

American Association of Petroleum Geologists (AAPG)
Short Course
Bogotá , Colombia
Thursday, 10 November Friday, 11 November 2022, 8:00 a.m.–4:00 p.m.

This 2-day, in-person course describes the range and variability in deepwater sedimentary systems and equips participants to build predictive models of subsurface geology for more successful exploration and development. A primary goal of this course is to enable subsurface teams to more effectively characterize and rank deepwater/offshore projects on a regional and global scale.

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
Thursday, 18 May Friday, 19 May 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)
Webinar
Virtual Webinar
Tuesday, 12 May 2020, 5:30 p.m.–6:30 p.m.

Both climate change and the most recent coronavirus pandemic have generated multiple impacts on society. Though on the surface the crises appear to be unrelated, they have more similarities than differences. The common elements shared by Covid-19 and climate change promote the development of comprehensive solutions that mitigate both crises simultaneously. This talk examines how actions and strategies developed for the energy transition can help to address the multiple challenges that the world faces today.

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American Association of Petroleum Geologists (AAPG)
Webinar
Virtual Webinar
Tuesday, 14 April 2020, 6:00 p.m.–8:00 p.m.

La Formación Smackover del Jurásico Superior (Oxfordiano) es una de las productoras de petróleo y gas más prolíficas de la llanura costera del noreste del Golfo de México, depositada en una rampa de carbonato proximal. Este estudio es una caracterización integral del ambiente de depositación de la Formación Smackover basada en datos sísmicos 3D y de pozos en los campos Vocation y Appleton situados en las subcuencas de Conecuh y Manila, en el suroeste de Alabama.

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American Association of Petroleum Geologists (AAPG)
Online e-Symposium
Thursday, 30 October 2014, 10:00 a.m.–11:00 a.m.

Cross disciplinary workflows play an important part of successful characterization of shale reservoirs. This course discusses how the artificial kerogen maturity of organic-rich Green River shale affects the petrophysical, micro-structural, geochemical and elastic properties.

American Association of Petroleum Geologists (AAPG)
Webinar
Virtual Webinar
Tuesday, 28 April 2020, 12:00 p.m.–1:00 p.m.

Em 2011 e 2015, apresentei uma avaliação do potencial de petróleo ainda por descobrir (YTF – Yet to Find) na região brasileira do pré-sal, utilizando uma ferramenta de modelagem de exploração e um método de simulação estocástica (Monte Carlo) para estimar as acumulações potenciais já descobertas e as restantes para ser descobertas. Embora da metodologia robusta usada, é compreensível que, à luz dos novos preços do petróleo, muito mais baixos, a avaliação do óleo YTF possa ser questionada sobre o quão realista poderia ser, num cenário prolongado de preço baixo do petróleo. Em 2016, apresentei essa avaliação, para preços do petróleo abaixo de US$ 50/bbl. Agora, com os preços do petróleo ainda mais baixos que podem representar um novo cenário de redução por mais tempo, volto a revisar as avaliações anteriores. Os resultados são apresentados no contexto de importantes implicações geopolíticas para em regiões do mundo onde os recursos de petróleo e gás provavelmente continuarão viáveis, apesar dos preços baixos do petróleo, e os rearranjos geopolíticos que isso implica.

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American Association of Petroleum Geologists (AAPG)
Assistant Professor of Hydrogeology

The Boone Pickens School of Geology at Oklahoma State University invites applications for a tenure- track, assistant professor position in physical hydrogeology. The anticipated start date is August 1, 2023. The successful applicant must have a Ph.D. degree in geosciences or a related field at the time of appointment. Postdoctoral experience is preferred. The School encourages applications from candidates from underrepresented groups in the geosciences.

VG Abstract

The carbonate sequences that were deposited in the now exhumed Tethyan Ocean influence many aspects of our lives today, either by supplying the energy that warms our homes and the fuel that powers our cars or providing the stunning landscapes for both winter and summer vacations. They also represent some of the most intensely studied rock formations in the world and have provided geoscientists with a fascinating insight into the turbulent nature of 250 Million years of Earth’s history. By combining studies from the full range of geoscience disciplines this presentation will trace the development of these carbonate sequences from their initial formation on the margins of large ancient continental masses to their present day locations in and around the Greater Mediterranean and Near East region. The first order control on growth patterns and carbonate platform development by the regional plate-tectonic setting, underlying basin architecture and fluctuations in sea level will be illustrated. The organisms that contribute to sequence development will be revealed to be treasure troves of forensic information. Finally, these rock sequences will be shown to contain all the ingredients necessary to form and retain hydrocarbons and the manner in which major post-depositional tectonic events led to the formation of some of the largest hydrocarbon accumulations in the world will be demonstrated.

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Request a visit from Keith Gerdes!

American Association of Petroleum Geologists (AAPG)
DL Abstract

Local sea-level changes are not simply a function of global ocean volumes but also the interactions between the solid Earth, the Earth’s gravitational field and the loading and unloading of ice sheets. Contrasting behaviors between Antarctica and Scotland highlight how important the geologic structure beneath the former ice sheets is in determining the interactions between ice sheets and relative sea levels.

Request a visit from Alex Simms!

American Association of Petroleum Geologists (AAPG)
DL Abstract

As oil and gas exploration and production occur in deeper basins and more complex geologic settings, accurate characterization and modeling of reservoirs to improve estimated ultimate recovery (EUR) prediction, optimize well placement and maximize recovery become paramount. Existing technologies for reservoir characterization and modeling have proven inadequate for delivering detailed 3D predictions of reservoir architecture, connectivity and rock quality at scales that impact subsurface flow patterns and reservoir performance. Because of the gap between the geophysical and geologic data available (seismic, well logs, cores) and the data needed to model rock heterogeneities at the reservoir scale, constraints from external analog systems are needed. Existing stratigraphic concepts and deposition models are mostly empirical and seldom provide quantitative constraints on fine-scale reservoir heterogeneity. Current reservoir modeling tools are challenged to accurately replicate complex, nonstationary, rock heterogeneity patterns that control connectivity, such as shale layers that serve as flow baffles and barriers.

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Request a visit from Tao Sun!

American Association of Petroleum Geologists (AAPG)
DL Abstract

President Biden has laid out a bold and ambitious goal of achieving net-zero carbon emissions in the United States by 2050.  The pathway to that target includes cutting total greenhouse gas emissions in half by 2030 and eliminating them entirely from the nation’s electricity sector by 2035. The Office of Fossil Energy and Carbon Management will play an important role in the transition to net-zero carbon emissions by reducing the environmental impacts of fossil energy production and use – and helping decarbonize other hard-to abate sectors.

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Request a visit from Jennifer Wilcox!

American Association of Petroleum Geologists (AAPG)
VG Abstract

The Betic hinterland, in the westernmost Mediterranean, constitutes a unique example of a stack of metamorphic units. Using a three-dimensional model for the crustal structure of the Betics-Rif area this talk will address the role of crustal flow simultaneously to upper-crustal low-angle faulting in the origin and evolution of the topography.

Request a visit from Juan I. Soto!

American Association of Petroleum Geologists (AAPG)
VG Abstract

In comparison with the known boundary conditions that promote salt deformation and flow in sedimentary basins, the processes involved with the mobilization of clay-rich detrital sediments are far less well established. This talk will use seismic examples in different tectonic settings to document the variety of shale geometries that can be formed under brittle and ductile deformations.

Request a visit from Juan I. Soto!

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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Request a visit from Ameed Ghori!

American Association of Petroleum Geologists (AAPG)

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