Results 31 to 40 of about 12,416,883 (395)

Reservoir rock typing assessment in a coal-tight sand based heterogeneous geological formation through advanced AI methods

Scientific Reports
Geoscientists now identify coal layers using conventional well logs. Coal layer identification is the main technical difficulty in coalbed methane exploration and development. This research uses advanced quantile–quantile plot, self-organizing maps (SOM),
U. Ashraf, Wanzhong Shi, Hucai Zhang, A. Anees, Ren Jiang, Muhammad Ali, Hassan Nasir Mangi, Xiaonan Zhang   +7 more
semanticscholar   +1 more source

An integrated workflow for MICP-based rock typing: A case study of a tight-gas sandstone reservoir in the Baltic Basin (Poland)

Nafta-Gaz, 2020
: One of the most important tasks in the characterization of unconventional tight-gas sandstone reservoirs is a proper evaluation of rock types (RT). Rock typing based on pore structure has a great potential to capture fluctuations in storage potential ...
T. Topór
semanticscholar   +1 more source

Rock typing and reservoir zonation of the Asmari Formation in a gas field, Persian Gulf [PDF]

International Journal of Mining and Geo-Engineering
In this study, the geological and petrophysical methods were combined to investigate the reservoir characteristics of the Asmari Formation in one of the gas fields in the Persian Gulf.
Behrooz Esrafili-Dizaji
doaj   +1 more source

Rock typing and causality analysis in unconventional formation using Bayes nets

Petroleum Research
Unconventional formations are characterized by high heterogeneity and anisotropy, making it difficult to interpret logging data, perform core analysis, and create accurate petrophysical models.
Evgeny Chekhonin, Alexander Nikitin, Dimitri Pissarenko, Yuri Popov, Raissa Romushkevich, Dzhulia Zagranovskaya   +5 more
doaj   +1 more source

New rock typing method for diagenetically modified carbonate reservoirs

Georesursy
The paper evaluates an efficiency of the existing rock typing methods for diagenetically modified carbonate reservoirs and proposes a new alternative rock typing index.Four existing rock typing techniques are applied to the target formation, subjected to
E. Shvalyuk, A. Thistiakov, N. Bah, A. Mukhametdinova, A. Ryabukhin, M. Spasennykh   +5 more
doaj   +1 more source

Irida: A machine learning based code for the automated derivation of site-specific rock type logs and their properties using Kimeleon colourlith image logs

Applied Computing and Geosciences, 2022
High resolution characterization of sub-surface geology is critical to improving the performance of reservoir models in fluid flow and reactive transport simulation studies in the fields of groundwater, CO2 geo-sequestration and oil and gas research. The
Achyut Mishra, Apoorv Jyoti, Ralf R. Haese   +2 more
doaj   +1 more source

Spartan Daily, September 21, 1981 [PDF]

, 1981
Volume 77, Issue 14https://scholarworks.sjsu.edu/spartandaily/6789/thumbnail ...
San Jose State University, School of Journalism and Mass Communications
core   +1 more source

Cell density–dependent nuclear‐cytoplasmic shuttling of SETDB1 integrates with Hippo signaling to regulate YAP1‐mediated transcription

FEBS Letters, EarlyView.
At low cell density, SETDB1 and YAP1 accumulate in the nucleus. As cell density increases, the Hippo pathway is gradually activated, and SETDB1 is associated with increased YAP1 phosphorylation. At high cell density, phosphorylated YAP1 is sequestered in the cytoplasm, while SETDB1 becomes polyubiquitinated and degraded by the ubiquitin–proteasome ...
Jaemin Eom, Jaewoong Jang, Jung Sun Park, Yong‐Kook Kang   +3 more
wiley   +1 more source

Image-based microscale rock typing and its application

Journal of Petroleum Exploration and Production Technology
Rock typing plays a crucial role in describing the heterogeneity of the reservoir. Most of the conventional rock typing methods are implemented to classify the target reservoir into various rock types based on various petrophysical properties (e.g ...
Yuzhu Wang
doaj   +1 more source

Formation evaluation and rock type classification of Asmari Formation based on petrophysical- petrographic data: A case study in one of super fields in Iran southwest

Petroleum, 2023
The Oligo-Miocene Asmari Formation is one of the most important hydrocarbon reservoirs in the Middle East. The oilfield under study is one of the largest oilfields in the Zagros basin with the Asmari Formation being the major reservoir rock.
Raeza Mirzaee Mahmoodabadi, Sadegh Zahiri   +1 more
doaj   +1 more source