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Feb 26, 2024Open Access
Extensive research has been undertaken to model the petroleum system of the Maui Field within the Taranaki Basin, New Zealand. Nevertheless, there are persistent uncertainties surrounding its intricate petroleum system, the processes of hydrocarbon generation, and migration. Despite its status as New Zealand’s largest petroleum producer, the historical account of hydrocarbon formation, migration, and charging in this field remains largely enigmatic. This systematic literature review offers a com...
Sep 28, 2023Open Access
The physico-chemical characterization of the Nangongo peat bog in South Kivu province, Democratic Republic of Congo (DRC), was conducted in this study. The results show that the characteristics of this peat bog are like those of other peat bogs presented in the literature. The Nangongo peat bog belongs to the ombrotrophic peat bog category. The physical and chemical characteristics of the samples analyzed showed a generally low ash content compared with the volatile matter content, and a deficie...
May 08, 2023Open Access
Sedimentary environments are an important part of paleogeography and sedimentology, and there is a long history of using geochemical and mineralogical methods to analyze palaeoenvironmental problems using sedimentary rocks as a research vehicle. By summarizing the important results of previous work on tracing the palaeoenvironment using the composition and distribution characteristics of the macronutrients and trace elements as well as the characteristics of mineral composition, we aim to sort o...
Apr 28, 2023Open Access
In this paper, we analyzed the characteristics of fossil legume pods from the “Committee Creek” formation of the Teater Road, John Day Formation in Crook County, Oregon, in western North America. 23 fossil specimens were collected and compared with the existing genera of the family through detailed observation of the legume pods. A total of three genera and four species of nearest relatives were identified as extant, and four undetermined species were studied. These include the similar species o...
Apr 27, 2023Open Access
Based on the coring data of 48 wells and the logging data of 213 wells, this paper comprehensively analyzes the shallow water delta sedimentation and sand body stacking characteristics of the Yanchang 6 1-6 2 sub-member of the Triassic in the Zichang area of northern Shaanxi, as well as the corresponding relationship with reservoir physical properties. According to the accommodation space and sediment supply flux, the single sand bodies in the study area are distributed in an...
Apr 12, 2023Open Access
Taking Yan10 member of Bai211 well area of Nanliang oilfield as the research object, the stratigraphic subdivision, sedimentary facies type and sand body distribution characteristics are analyzed by making full use of drilling and core data. The results show that Yan10 formation can be subdivided into Yan101, Yan102, Yan103 and Yan104. Braided channel, core beach and flood-plain are the main sedimentary microfacies. The extension direction of Yan10 member sand body is north to south, and the who...
Apr 07, 2023Open Access
The Triassic Yanchang Formation 6 in Ordos Basin is mainly developed with low porosity and low permeability sandstone reservoirs. The development effect in recent years is not ideal, so the Chang-6 reservoir has become a key research object. Through core observation, thin section identification, well logging data and other analysis and testing, the research on the petrology, reservoir space and reservoir physical properties of this layer is carried out. The study shows that the rock type that ca...
Mar 31, 2023Open Access
Abundant natural gas resources have been found in the Lower Permian Shihezi Formation in Ordos Basin, among which the 8 member of the Lower Shihezi Formation is one of the important reservoirs. Sedimentary studies and natural gas exploration of the Lower Shihezi Formation in Ordos Basin mainly focus on the interior of the basin. In recent years, DJ gas field, a large Upper Paleozoic tight gas field, has been discovered in the southeastern Ordos Basin. Among them, Hehe 8 is one of the main gas-be...
Mar 13, 2023Open Access
The result of landslide susceptibility assessment (LSA) can be used for landslide hazard management and emergency rescue. Lixian County in Sichuan Province is selected to be the study area for its frequent landslides. Based on the correlation analysis and geological environment interpretation, a total of 9 controlling factors of landslide were selected (i.e., lithology, elevation, slope curvature, slope angle, aspect, normalized difference vegetation index (NDVI), slope length, distance to river...
Feb 27, 2023Open Access
Several sets of sandstones are developed in the Benxi Formation of Carboniferous in the Upper Paleozoic in the Ordos Basin, which are transitional facies of Marine and continental facies and have significant unconventional natural gas potential. In order to reveal the sedimentary reservoir characteristics of the Upper Carboniferous Benxi Formation in the southeastern Ordos Basin, this paper makes comprehensive use of drilling and logging data, combined with various experiments, and conducts an i...
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