نتایج جستجو برای: source rock evaluation

تعداد نتایج: 1252501  

Journal: :International Journal of Mining Science and Technology 2019

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1393

the purpose of the present study was to investigate the relationship between fear of negative evaluation (fne) and communication strategies (css) among iranian efl learners. it was aimed to examine the differences in the use of communication strategies between speakers with high or low degree of fear of negative evaluation. the current study was a case study consisting of 10 english learners at...

2003
Gerd Manthei

This study presents the application of an automated moment tensor analysis procedure on microcracks which were generated during a triaxial compression test of a cylindrical rock salt specimen (diameter 150 mm, length 300 mm). The acoustic emission signals were detected in a frequency range between 20 kHz and 1 MHz using 12 acoustic emission sensors mounted on the surface of the specimen cylinde...

Numerical modelling techniques are not new for mining industry and civil engineering projects anymore. These techniques have been widely used for rock engineering problems such as stability analysis and support design of roadways and tunnels, caving and subsidence prediction, and stability analysis of rock slopes. Despite the significant advancement in the computational mechanics and availabili...

2007
Beth L. Parker

This presentation provides an overview of a major field focused program of studies aimed at improved investigation methods and understanding organic contaminant source zones and plumes in fractured porous sedimentary rock. This research began in 1997, when intensive field studies were initiated at a TCE contaminated site on steeply dipping and faulted sandstone in California. Now, with collabor...

2010
Robert W. Gilmer Emily Kerr

Natural gas extraction is experiencing what has been called a quiet revolution. The industry historically viewed natural gas as trapped in reservoirs, where it collects over thousands of years after exiting source rock. Though hard to find, the reservoirs easily give up large amounts of their holdings when penetrated by drilling. But what if natural gas could be extracted directly from source r...

Journal: :Basin Research 2021

The Vaca Muerta Formation (Tithonian–early Valanginian) is the main source rock in Neuquén Basin and most important unconventional shale resource South America. In present study, organic geochemistry, electron microscopy basin petroleum system modelling (BPSM) were combined to evaluate properties related processes along a transect from early oil (east) dry gas (west) window. unit characterized ...

Journal: :International Journal of Engineering Applied Sciences and Technology 2020

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