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2nd Edition: Geological Process-Based Forward Modeling AAPG Call For Abstracts Expires in 11 days
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The ability to see ahead of the drillbit while drilling, in real time, helps the driller avoid hazards, increase drilling efficiency and improve well results. Successful SWD captures seismic data without interrupting drilling operations, saving money and reducing risk.
Edinburgh, Scotland, has a new research center planning to open its doors in 2015. It is the Sir Charles Lyell Centre, named after Britain's 19th century geologist. The uptick of interest in emerging industries of shale oil and gas and deep sea metal mining is just one of the areas of the focus planned for the centre.
The Marcellus Shale is considered to be the largest unconventional shale-gas resource in the United States. Two critical factors for unconventional shale reservoirs are the response of a unit to hydraulic fracture stimulation and gas content. The fracture attributes reflect the geomechanical properties of the rocks, which are partly related to rock mineralogy. The natural gas content of a shale reservoir rock is strongly linked to organic matter content, measured by total organic carbon (TOC). A mudstone lithofacies is a vertically and laterally continuous zone with similar mineral composition, rock geomechanical properties, and TOC content. Core, log, and seismic data were used to build a three-dimensional (3-D) mudrock lithofacies model from core to wells and, finally, to regional scale. An artificial neural network was used for lithofacies prediction. Eight petrophysical parameters derived from conventional logs were determined as critical inputs. Advanced logs, such as pulsed neutron spectroscopy, with log-determined mineral composition and TOC data were used to improve and confirm the quantitative relationship between conventional logs and lithofacies. Sequential indicator simulation performed well for 3-D modeling of Marcellus Shale lithofacies. The interplay of dilution by terrigenous detritus, organic matter productivity, and organic matter preservation and decomposition affected the distribution of Marcellus Shale lithofacies distribution, which may be attributed to water depth and the distance to shoreline. The trend of normalized average gas production rate from horizontal wells supported our approach to modeling Marcellus Shale lithofacies. The proposed 3-D modeling approach may be helpful for optimizing the design of horizontal well trajectories and hydraulic fracture stimulation strategies.
Exploration for oil and gas in Saskatchewan was initiated in 1888 with the spudding of a 472-meter (1,548.5 feet) well near the settlement of Belle Plaine some 32 kilometers (20 miles) west of Regina.
Three new research facilities divide their focus between downstream and upstream technology for Aramco Services.
Let’s get small: Researchers are discovering new and exciting ways to apply nanotechnology to the energy industry – but these days, they’re doing that by thinking BIG.
Exploration geologists are scientists and dreamers, observers and analysts.
Wil who? Don’t look now, but the Wilcox Trend is making a name for itself – thanks to high oil prices and technology applications, such as hydraulic fracturing.
The Netherlands is renowned for its giant Groningen gas field, which contains about 100 TCF of gas and has a total life expectancy of about 100 years.
This story, whose outcome was an important milestone for Total’s exploration at the time of discovery, can be seen as complementary to the Mahakam success story, described in the September 2011 Historical Highlights column.
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