Results 31 to 40 of about 3,985,421 (167)

Multiple-Stage Injection of Deep Hydrothermal Fluids in the Dolostone Reservoirs of Ordovician Majiagou Formation, Southern Ordos Basin

open access: yesFrontiers in Earth Science, 2022
The Middle Ordovician Majiagou Formation in the southern Ordos Basin develops a set of sub-and peri-tidal carbonate successions that were extensively dolomitized.
Zhaolin Yang   +14 more
doaj   +2 more sources

Dolomites in a carbonate-evaporite system: the fifth member of the Middle Ordovician Majiagou Formation, Eastern Ordos Basin, China

open access: yesFrontiers in Marine Science
IntroductionThe carbonate-evaporite system contains substantial hydrocarbon resources and serves as an excellent subject for studying dolomitization problem.
Siyi Fu   +21 more
doaj   +2 more sources

Data for: Petrography, REEs and isotopes (C, O and Sr) constraints on the origin of Ordovician Majiagou Formation dolomite in the Yangshuiwu area, Jizhong Depression, North China Platform

open access: yes, 2020
The data include rare earth elements, isotopes (C, O and Sr) about the Ordovician Majiagou Formation carbonate rocks in the Yangshuiwu area, Jizhong Depression, North China ...
Xiang, P
core   +3 more sources

Prediagnosis recognition of acute ischemic stroke by artificial intelligence from facial images. [PDF]

open access: yesAging Cell
Prediagnosis model by artificial intelligence and facial images accurately evaluates acute ischemic stroke risk by recognizing abnormal face patterns and associating them with physiological markers and aging. Abstract Stroke is a major threat to life and health in modern society, especially in the aging population.
Wang Y   +12 more
europepmc   +2 more sources

Characteristics of Tight Dolostone Reservoir and Its Main Controlling Factors in the Submember Ma55 of Majiagou Formation in the Western Ordos Basin

open access: yesGeofluids, Volume 2023, Issue 1, 2023., 2023
The tight carbonate reservoir was controlled by various geological factors, and such factors played different roles in buried depths and formations. Therefore, studies related to the factors controlling carbonate reservoir distribution are of great significance for the prediction and evaluation of high‐quality dolostone reservoirs.
Baiqiang Li   +8 more
wiley   +1 more source

Reservoir space characterization of vuggy carbonate reservoirs with multiple scales: a case study of Ma 5-7 interval, Middle Ordovician Majiagou Formation, Daniudi area, Ordos Basin

open access: yesShiyou shiyan dizhi, 2021
The reservoir space of carbonate rocks is of multiple scales and genesis mechanisms, and it is difficult to accurately demonstrate the reservoir space as well as physical properties.Millimeter-, micro- and nano-scale reservoir spaces were all developed ...
Xiaoqi DING   +4 more
doaj   +1 more source

Evaluation of carbon dioxide storage in the deep saline layer of the Ordovician Majiagou Formation in the Ordos Basin

open access: yesIOP Conference Series: Earth and Environmental Science, 2021
Abstract Geologic CO2 storage (GCS) is one of the preferred solutions to reduce greenhouse gas emissions. Comparing with other geological reservoirs, the deep saline aquifers have huge storage potential and currently the most promising one. Since technical and economical viability of geologic CO2 storage depends highly on the CO2 storage
Ping Lu   +4 more
openaire   +1 more source

Study on Prevention and Control of Confined Water Hazard in Deep Resource Exploitation: Scientific Basis of “GCD‐D” Design

open access: yesGeofluids, Volume 2023, Issue 1, 2023., 2023
Deep mining of resources has destroyed the stress balance of original rock, formed water gushing channel, and caused the outburst of confined water, thus causing disaster. At present, “Ground Controlled Directional Bedding Branch Drilling (GCD‐D)” grouting has achieved remarkable results in controlling water disasters.
Yanbo Hu   +6 more
wiley   +1 more source

Evaluation of the Modification Potential for Carbonate Geothermal Rocks by considering Multiple Mechanics Properties and Acid Dissolution in the Jizhong Depression, China

open access: yesLithosphere, 2022
Evaluation of geothermal reservoir modification potential is of great significance for improving the efficiency of geothermal exploitation and reducing costs.
Linxiao Xing   +4 more
doaj   +1 more source

Minerals Filling in Anhydrite Dissolution Pores and Their Origins in the Ordovician Majiagou Formation of the Southeastern Ordos Basin, China [PDF]

open access: yesGeofluids, 2021
Mold pore cementation is the key factor constraining the reservoir property in the study area. The anhydrite dissolution pores in the Ordovician Majiagou Formation of southeastern Ordos Basin are commonly filled by minerals such as dolomite, calcite, pyrite, and quartz accounting for more than 90% of the total molds resulting in significant porosity ...
Lihong Liu   +3 more
openaire   +2 more sources

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