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Geochemical Analysis of Dolomite in the Fourth Member of the Upper Sinian Dengying Formation, Northern Sichuan Basin, China. [PDF]

open access: yesACS Omega, 2023
The fourth member of the Sinian Dengying Formation in northern Sichuan was reformed by multistage diagenetic fluids. It is beneficial to systematically analyze the diagenetic evolution of the area to clarify the sedimentary evolution of the dolomite in the fourth member of the Dengying Formation and the fluid characteristics at different diagenetic ...
Tang S   +6 more
europepmc   +4 more sources

Effects of diagenesis on quality of dengying formation deep dolomite reservoir, Central Sichuan Basin, China: Insights from petrology, geochemistry and in situ U-Pb dating [PDF]

open access: goldFrontiers in Earth Science, 2023
The Ediacaran Dengying Formation in Central Sichuan Basin is the deep dolomite gas reservoir with the largest natural gas reserves in China, providing an excellent example for understanding the effect of diagenesis evolution on deep dolomite reservoir ...
Yifan Gu   +13 more
doaj   +2 more sources

Features, origin and distribution of microbial dolomite reservoirs: A case study of 4th Member of Sinian Dengying Formation in Sichuan Basin, SW China

open access: diamondPetroleum Research, 2017
Macroscopic and microscopic characteristics revealed that the Dengying Formation reservoir in the central Sichuan paleo-uplift belonged to the compound genetic reservoir of the mound-shoal facies and karst. Development of the reservoir was controlled by the mound-shoal facies, and dissolution-enlarged or added pores (vugs) due to superimposed ...
Yana Chen   +4 more
openalex   +3 more sources

Characteristics of dolomite karstic reservoir in the Sinian Dengying Formation, Sichuan Basin

open access: diamondPetroleum Research, 2017
The Sinian dolomite reservoir in Dengying Formation was developed extensively in the Sichuan Basin, and typically was the facies-controlled dolomite karstic reservoir. The development of this kind of the reservoir was related with the special deposits, diagenetic environment as well as the multi-phase and multi-type dissolution and fracturing actions ...
Xiuqin Shan   +6 more
  +5 more sources

The geochemical characteristics and origin analysis of the botryoidal dolomite in the Upper Sinian Dengying Formation in the Sichuan Basin, China

open access: diamondJournal of Natural Gas Geoscience, 2019
Botryoidal dolomite has great value for petroleum exploration and has dominantly developed in the middle and lower part of Member II in the Sinian Dengying Formation in the Sichuan Basin.
Anping Hu   +6 more
doaj   +2 more sources

The Sedimentary Forward Modeling-Based Lithofacies Paleogeographic Distribution of the Ediacaran Dengying Formation, Northeastern Sichuan Basin [PDF]

open access: goldGeosciences
The Sinian (Ediacaran) Dengying Formation in the northeastern Sichuan Basin exhibits a significant exploration potential. Nevertheless, the great burial depth of carbonates in the Dengying Formation and the scarcity of drilling data have imposed ...
Xiang Cheng   +5 more
doaj   +2 more sources

Structural features and exploration targets of platform margins in Sinian Dengying Formation in Deyang—Anyue Rift, Sichuan Basin, SW China

open access: diamondPetroleum Exploration and Development, 2023
Based on the seismic, logging, drilling and other data, the distribution, structural types and mound-shoal hydrocarbon accumulation characteristics of platform margins of the Sinian Dengying Formation in the Deyang—Anyue Rift and its periphery were ...
Fuying ZENG   +14 more
doaj   +2 more sources

Review and prospect on the botryoidal structures from the Sinian Dengying Formation, Sichuan Basin, China

open access: yesPetroleum, 2017
Fabric of carbonate rock is the important foundation and one of main research contents for study on carbonate sedimentology, and has always been the attention of the academic circles.
Chengbo Lian   +7 more
doaj   +2 more sources

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