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Siliciclastic Reservoirs of the Middle East Call for Posters
Expires in 102 days
Located in the Orange Basin, along the passive west coast of the continental margin that straddles the borders of South Africa, there has been a discovery of an oil province in Namibia – the offshore Graf and Venus fields – that likely contains billions of barrels of oil resources. That’s according to Robin Sutherland, an exploration manager for Monitor Exploration, a UK-based private exploration company involved in oil and gas exploration in Africa. Of equal importance, he said, is the recent drilling by ReconAfrica, which “clearly proves” that the Ovambo Basin, a large pre-Cambrian basin in the far north of Namibia, is oil bearing with very significant potential. “Both of these events represent major changes to our understanding of the potential of Namibia,” said Sutherland.
These days, more uncertain than the price of gas, especially with the announcement last month from
the administration to ban the import of Russian oil and gas, combined with the European Union’s decision to cut imports by 80 percent, is the question of whether the world will get the energy it needs – and who will provide it.
To that end, it’s worth considering what conventional oil and gas reservoirs here in America can be drilled and placed online quickly to help fill that need.
Geoscientists and industry leaders throughout the world are preparing for the International Conference and Exhibition Cartagena 2022, AAPG’s flagship international event taking place in Cartagena, Colombia, April 19-22. Held for the last time in Buenos Aires in August 2019, ICE returns to Latin America after a three-year break imposed in part by the COVID-19 pandemic.
For Colombia’s National Hydrocarbon Agency and national oil company Ecopetrol, now is the perfect time to seek opportunities in a country providing diverse geological potential, a prepared workforce and contractual stability. They believe that Colombia is that country, and they are prepared to make their case as principal sponsors and hosts of AAPG’s International Conference and Exhibition taking place in Cartagena April 19-22.
Russia’s military action against Ukraine forced the Western world to face some hard truths about that country’s powerful position in world energy markets. In Europe, the invasion produced worry about possible disruptions in vital energy imports. In the United States, it led to calls for a stronger American oil and gas sector with increased government support. Beyond the volatile up-and-down swings in energy prices immediately following the onset of the Ukraine war, concerns emerged that the incursion could have an unbalancing effect on world markets for years to come.
The energy transition has been getting so much press that a hypothetical visitor from Mars could be forgiven for believing it will be completed “by next Tuesday.” Some universities and organizations are dropping any mention of petroleum in the interest of appearing forward-looking. We see this as timely folly based on a lack of historical perspective. History shows that energy transitions are lengthy and complicated. They never follow a prescribed path; they wander down dead-ends and evolve with pragmatic solutions unforeseen today.
Asia’s increased appetite for natural gas ranks as one of the most important global energy stories of the past 10 years, and one of the most often overlooked. It appears likely to drive Asian exploration and energy trading for the near future.
Last month I wrote about the substantial increases in E&P investment necessary to ensure the availability of oil and gas supplies in the future to reduce price volatility and enhance global energy security. I drew on the analysis in a recent report of the International Energy Forum and IHS Markit. Business activity and investment in E&P remains on my mind this month, as I look forward to the upcoming NAPE Summit, from Feb. 8-11, at the George R. Brown Convention Center in Houston.
John S. Wold was a man of such prolific industry and accomplishment that his life story reads less like a narrative and more like a series of escalating and expanding accomplishments in one field after another. Along with being a successful petroleum geologist and mineral resource producer, this award-winning AAPG Member was also an accomplished inventor, scientist, academic, entrepreneur, rancher, philanthropist and public servant. He had the distinction of being the first professional geologist in the U.S. Congress – and a petroleum geologist at that.
When the International Petroleum Technology Conference comes to Saudi Arabia in February, the technical program will include a significant look at both unconventional oil and gas and conventional tight oil in the Middle East. Those are two different concepts in the region and the distinctions are important. The Middle East holds a large conventional tight oil resource, now emerging as a serious focus for development. With so much recent attention devoted to unconventional resources, conventional tight oil could be considered an overlooked sibling.
Plan now to attend an interactive in-person workshop with industry leaders, government representatives and technical experts working in the Guyana-Suriname Basin.
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.
In the past 3 decades the sequence stratigraphy jargon has proliferated, resulting in multiple definitions of the same surface or new surfaces and units based on drawings of deposition in response to relative changes in sea level. The close association between base-level changes, the formation of surfaces, and specific stratal stacking that define systems tracts are at the heart of the confusion. This webinar is proposed a back-to-basics approach, emphasizing key observations that can be made from any geologic data: lithofacies, lithofacies association, vertical stacking, stratal geometries, and stratal terminations.
Fossil fuels have led to a profound increase in world living standards but resulting emissions of CO2 and methane into the atmosphere are a primary factor in climate change. Atmospheric content of CO2 and methane have risen 146% and 257% respectively since pre-industrial time and the rate of increase through 2019 has accelerated. If significant steps are not taken in the coming decade to halt the increase in greenhouse gas emissions (GHG), a phase may be reached in the 2030-2050-time frame described as a “tipping point”, in which steady changes may be replaced by a large-scale change in the climate system. The Middle East is an area of high climate change vulnerability in the coming decades due to extreme temperatures, sea level rise and changing weather patterns.
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.
Join us for 'Pivoting 2021: Risk and Recovery in 2021'. Panelists discuss how they now approach risk assessment and opportunity evaluation after the dramatic changes due to economic stresses (crises) and a global pandemic. Webinar will be presented via Zoom 7pm - 8:30pm CDT, 31 March 2021.
The purpose of this talk is to provide a forum to discuss the applications of geological modeling in various domains of practice. The presentation is geared towards a general geoscience audience of undergraduates, graduate students, university academicians, and geoscience practitioners at all career levels.
Patawarta Diapir, approximately 2-6km2 located in the Central Flinders Ranges, South Australia, has been interpreted as a single allochthonous salt sheet containing Tonian-aged igneous and layered evaporite sedimentary intrasalt inclusions derived from the Callanna Group. In this webinar, Rachelle Kernen describes the diapir as five primarily silty limestone inclusions (0.5-2km2), re-interpreted as Ediacaran-aged Wonoka Formation and Patsy Hill member of the Bonney Sandstone (Wilpena Group).
Webinar presented Thursday 3 December 2020 at 11:00 SGT (GMT+8) Singapore time
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.
Gas hydrates, ice-like substances composed of water and gas molecules (methane, ethane, propane, etc.), occur in permafrost areas and in deep water marine environments.
As an industry we’re constantly challenged to improve our business on a worldwide stage. How do we continue improving the safe delivery of high quality, economical wells and production where understanding of social requirements and the license to operate are rapidly changing?
Join us for a conversation with a panel of drilling engineers to gain insight to their understanding of how we can meet these challenges and impact well delivery planning processes and outcomes - from clarity on deliverables, process improvements, advances in technology, to building better business models for modern decision making.
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!
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.
Request a visit from Ameed Ghori!
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!
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.
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.
Request a visit from Tao Sun!
Three-dimensional (3D) seismic-reflection surveys provide one of the most important data types for understanding subsurface depositional systems. Quantitative analysis is commonly restricted to geophysical interpretation of elastic properties of rocks in the subsurface.
Wide availability of 3D seismic-reflection data and integration provide opportunities for quantitative analysis of subsurface stratigraphic sequences. Here, we integrate traditional seismic-stratigraphic interpretation with quantitative geomorphologic analysis and numerical modeling to explore new insights into submarine-channel evolution.
Request a visit from Jacob Covault!
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.
Request a visit from Keith Gerdes!
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.
Request a visit from Jennifer Wilcox!
Around 170 million years ago, the Gulf of Mexico basin flooded catastrophically, and the pre-existing landscape, which had been a very rugged, arid, semi-desert world, was drowned beneath an inland sea of salt water. The drowned landscape was then buried under kilometers of salt, perfectly preserving the older topography. Now, with high-quality 3D seismic data, the salt appears as a transparent layer, and the details of the drowned world can be seen in exquisite detail, providing a unique snapshot of the world on the eve of the flooding event. We can map out hills and valleys, and a system of river gullies and a large, meandering river system. These rivers in turn fed into a deep central lake, whose surface was about 750m below global sea level. This new knowledge also reveals how the Louann Salt was deposited. In contrast to published models, the salt was deposited in a deep water, hypersaline sea. We can estimate the rate of deposition, and it was very fast; we believe that the entire thickness of several kilometers of salt was laid down in a few tens of thousands of years, making it possibly the fastest sustained deposition seen so far in the geological record.
Request a visit from Frank Peel!
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