High gamma ray sandstone

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August undefined, 2024

Web1 de nov. de 1991 · This observation suggests that local high anomalies in the gamma-ray levels within the generally high gamma-ray sandstones of the Claymore Sandstone … Web31 de mai. de 2013 · Abstract On the basis of geological data and well log interpretation, the characteristics of the high-gamma-ray reservoirs for Yanchang Formation are analyzed. …

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Web1 de jan. de 2010 · The well log curve features of the higher gamma ray, higher acoustic transit time and lower resistivity of the high-gamma-ray reservoirs are similar to that of … Web31 de mai. de 2013 · The results show that the high-gamma-ray reservoirs have the typical logging response characteristics, such as significant spontaneous potential (SP) negative … hikvision keine live ansicht

Characteristics of High-Gamma-Ray Sandstone Reservoirs for …

Web1 de nov. de 2016 · Gamma Ray (GR) record intensity of radioactive source (clay minerals as major component) presented in mineralogical composition of rock section. Density log … WebFigure 12.3 shows a typical spectral gamma ray log. Figure 12.3 The presentation of the spectral gamma ray log. 12.5 Depth of Investigation The depth of investigation is controlled by the same fundamental physics as for the total gamma ray tool, and is identical to the total gamma ray tool (i.e., about 1 ft). 12.6 Logging Speed Web1 de jan. de 2004 · Gamma ray (GR) logs measure the natural radioactivity in formations and can be used for identifying lithologies and for correlating zones. Shale-free … hikvision kit

Analysis of Spatial Structure and Filling Mechanism of Paleokarst ...

Factors contributing to high gamma-ray levels in Upper Jurassic ...

Web18 de jul. de 2024 · Gamma-ray logs typically record the radioactivity of geological formations, where shale lithology is typically associated with a high gamma-ray response, whereas sandstone lithology is typically associated with a low gamma-ray value (Cant 1992; Kessler and Sachs 1995; Milana 2000; Murkute 2001; Olayiwola and Bamford … Web1 de jan. de 2010 · The mud and clay content distinguish high gamma ray sandstone. High gamma ray values might also result from high content of feldspar, uranium, and thorium of the tuffaceous layer in the Yanchang ... hikvision kit 4chWeb1 de nov. de 1991 · The generally high background is considered to be due to potassium feldspar concentrations of up to 27% and this is enhanced by the presence of radioactive … hikvision kit allarme

"Web7 de fev. de 2013 · Recently, more attention has been paid on the high gamma sandstone reservoirs of the Yanchang Formation in the Ordos Basin, China. These high gamma … " - High gamma ray sandstone

High gamma ray sandstone

WebThe high GR characteristic of sandstone reservoir is mainly and directly caused by an abnormally high uranium enrichment, but not the tuff, feldspar or clay mineral. The study … Web1 de jan. de 2013 · Genesis Analysis of High-Gamma Ray Sandstone Reservoir and Its Log Evaluation Techniques: A Case Study from the Junggar Basin, Northwest China …

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WebHigh natural gamma sandstones consist of terrigenous detrital rocks with particle sizes ranging from silt to sand. They represent turbidite deposits characterized by high … Web18 de jan. de 2024 · Evanescent high gamma ray readings in sands, present on one logging run but vanished some weeks later, have been observed especially in …

WebHá 2 dias · Low volume density value, low gamma ray value, low lithology density. Yan10 member oil formation itself developed a set of giant thick sandstone. Taking the typical well Jingbai 300-6 as an example, the mud deposits of Yan10 member developed at the top, and three sets of positive cycles were developed inside, with obvious mud interlayers at the … Web30 de abr. de 2024 · The coarse-grained sandstone and calcareous mudstone intervals show low response of gamma-ray, while mudstone intervals are indicated by high response of gamma-ray. The use of spectral gamma responses is then useful for detailed interpretation of depositional environments, because K, Th, and U are found to be …

Web25 de abr. de 2024 · Great progress has been made in the exploration of tight sandstone gas resources in Kuqa depression. Great progress has been made in Dibei structural belt, which proves the previously unproven favorable area for tight sandstone gas. The physical properties, controlling factors, and characteristics of tight sandstone from the Ahe (J1a) … WebHowever, clean sandstone (i.e., with low shale content) might also produce a high gamma ray response if the sandstone contains potassium feldspars, micas, glauconite, or uranium-rich waters. In zones where the geologist is aware of the presence of potassium feldspars, micas, or glauconite,….Therefore, If a zone has a high potassium content coupled with a …

Web13 de abr. de 2024 · The Songliao Basin is located in Northeast China, covers an area of more than 260,000 square kilometers and is one of the largest oil–gas basins in China (Jia et al., 2016; Zhao et al., 2016; Yang et al., 2024; Hou et al., 2024).In the deep fault depression of the basin, there is a huge volcanic reservoir of more than 10 11 stere of … hikvision kontaktWeb15 de dez. de 2024 · Comparing the variations in the values of gamma ray well logs, the calculated average grain size and measured average grain size of the Well Yue 112, it is found that 1) the calculated average grain size of some layers is lower than 0.01 mm, but these layers have a relative low gamma ray reading and are commonly interpreted as … hikvision knxWeb13 de abr. de 2024 · The filling characteristics of the underground river and the underlying mechanism thereof were explained, and the conduits in different periods were compared: (i) Sandstone and sandstone-cemented breakdown breccia primarily filled with a combination of mechanical and collapse fillings developed in the doline. hikvision kit 8mp