Results 21 to 30 of about 870 (186)

Diagenetic Evolution of Marine Carbonate Reservoirs: A Case Study from M51-2 Submember of Middle Ordovician Majiagou Formation in SE Ordos Basin, China

open access: yesGeofluids, Volume 2023, Issue 1, 2023., 2023
In the Yan’an gas field, southeast of Ordos Basin, the discovered natural gas reserves are 114 billion cubic meters. Highly productive gas reservoirs were formed in paleokarst. By using 164 samples from 27cores, the geochemical study of diagenetic evolution was carried out, and the relationship between different diagenesis environments was discussed by
Haiyan Wu   +10 more
wiley   +1 more source

Effects of the Pliensbachian–Toarcian Boundary Event on Carbonate Productivity of a Tethyan Platform and Slope

open access: yesPaleoceanography and Paleoclimatology, Volume 37, Issue 5, May 2022., 2022
Abstract We explore the effects of the Pliensbachian–Toarcian Boundary Event (P–ToBE) on tropical carbonate productivity in the interior to margin and slope of the Venetian Platform (Northern Italy). We document the P–ToBE for the first time in the shallow‐water platform margin, and we bio‐ and chemostratigraphically tie it to transgressive/regressive ...
Sarah Fleischmann   +4 more
wiley   +1 more source

Review of Modeling Approaches to Groundwater Flow in Deformed Carbonate Aquifers

open access: yesGroundwater, Volume 59, Issue 3, Page 334-351, May/June 2021., 2021
Abstract We discuss techniques to represent groundwater flow in carbonate aquifers using the three existing modeling approaches: equivalent porous medium, conduit network, and discrete fracture network. Fractures in faulted stratigraphic successions are characterized by dominant sets of sub‐vertical joints.
Giacomo Medici   +3 more
wiley   +1 more source

Controlling factors for effective reservoir development of Ordovician Kelimoli Formation in western Ordos Basin

open access: yesShiyou shiyan dizhi, 2023
In recent years, some progress has been made in the exploration of Ordovician natural gas in the western Ordos Basin, among which, the Ordovician Kelimoli Formation has the highest degree of natural gas accumulation.
Huimin LI   +7 more
doaj   +1 more source

Early Paleozoic Extension‐Compression Transition and Formation of a Paleo‐Oil Reservoir System in the NW Sichuan Basin: Implications for Deeply Buried Hydrocarbon Accumulation

open access: yesGeofluids, Volume 2021, Issue 1, 2021., 2021
Owing to multiple tectonic events after the Late Triassic, the northern segment of the western Sichuan depression (NSWSCD) has a complex geological history of significant uplift and deeply buried. With abundant oil and gas play in the NSWSCD, the study of paleo‐oil reservoir systems and early hydrocarbon accumulation in this area is of great ...
Xiao Liang   +7 more
wiley   +1 more source

Comparative Study on the Reservoir Characteristics and Development Technologies of Two Typical Karst Weathering‐Crust Carbonate Gas Reservoirs in China

open access: yesGeofluids, Volume 2021, Issue 1, 2021., 2021
Carbonate reservoirs are the main reservoir types in China, which occupy the large ratio of reserves and production at present. The high‐efficiency development of carbonate reservoirs is of great significance to assure the stability of national energy supply.
Haijun Yan   +10 more
wiley   +1 more source

Seeing beyond the outcrop: Integration of ground-penetrating radar with digital outcrop models of a paleokarst system [PDF]

open access: yes, 2020
Paleokarst breccias are a common feature of sedimentary rift basins. The Billefjorden Trough in the High Arctic archipelago of Svalbard is an example of such a rift.
Smyrak-Sikora, Aleksandra   +3 more
core   +1 more source

Seismic Expressions of Paleokarst [PDF]

open access: yes, 2020
Paleokarst are characterized by epigene and/or hypogene processes in their formation and hold significant numbers of hydrocarbons and other natural resources.
Aboaba, Olanrewaju Ayodapo
core   +3 more sources

Tectono-Sedimentary Evolution of the Madrid Basin (Spain) during the Late Miocene: Data from Paleokarst Profiles in Diagenetically-Complex Continental Carbonates

open access: yesGeosciences, 2020
An intra-Vallesian (Upper Miocene) paleokarst developed at the top of the Intermediate Miocene Unit in the continental intracratonic Madrid Basin is recognized.
Juan Carlos Cañaveras   +4 more
doaj   +1 more source

Controls on paleokarst heterogeneity. Integrated study of the Upper Permian syngenetic karst in Rattlesnake Canyon, Guadalupe Mountains, USA [PDF]

open access: yes, 2011
[eng] The present study contributes to a better understanding of early dissolution mechanisms for syngenetic karst development and provides constraints on the timing of formation of the Rattlesnake Canyon paleokarst system in the Guadalupe Mountains, New
Labraña de Miguel, Gemma
core   +7 more sources

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