[PDF] Top 20 Diagenesis Impacts On Petrophysical Parameters

... For the detected carbonate samples the study of grain density in relation to bulk density, porosity, permeability, porosity ratio, packing index and quality reservoir index were statistically computed (table 2). For ... See full document

... of diagenesis and facies were investigated and using Sibley and Gregg classification (1987), dolomite rock textures were ...of petrophysical researches is to study the properties of rocks and their relation ... See full document

... erosion, diagenesis, faulting and fracturing, shale distribution, and facies differences which constitute the heterogeneity nature of such reservoirs (Weber, 1986; Schenk, ...important parameters in ... See full document

... DOI: 10.4236/ojg.2018.88047 815 Open Journal of Geology hand, the permeability values show slight decrease with depth from Mpera splay to Mpera deep sand 1 but become high down to Mpera deep sand 2 due to the presence of ... See full document

... and diagenesis in the finer grained sandstones of the Delta Plain Lithofacies Association (DP) of the western outcrops resulted in reduced porosity, which is expected to also reduce ...of petrophysical ... See full document

... societal impacts of, and improving resilience in response to, Earth surface processes requires advancing and applying process sedimentology research in a wide range of ... See full document

... of petrophysical parameters using Multi attribute analysis were done through seismic and wells ...used. Petrophysical parameters generated from the predicted seismic are found to be validated ... See full document

... Yield parameters (no. of pods per plant and no. of seeds per pod) were reported higher in treatment 6 when co-inoculation with mycorrhiza (25gm) was applied than those in control. Minimum no. of seeds per pod and ... See full document

... These studies highlighted that proteins are more resistant to degradation than DNA due to their chemical and physical properties, but that diagenesis nonetheless affects the protein sequ[r] ... See full document

... Carbonate Microfacies and Diagenesis The carbonate microfacies identified occurring in the area of Arimogija- Okeluse, based on the depositional textures of Dunham (196[r] ... See full document

... agenetic replacement. At the shallow part of the upper continental crust where silica is readily made available through weathering and erosion, calcite reacts with it to form a calc-silicate at low temperature and ... See full document

... of various types and levels of thermal alteration. The resulting geochemical data were used to erect a preliminary classification of microbial diagenesis. The individual suites of samples are listed in Table 2.1. ... See full document

... Compaction and Pressure-solution are two different reactions at two stages under the same force. Compaction is mostly in the early stage of the diagenesis, material experiences the state from a loose accumulation ... See full document

... precipitates in sediment systems can provide critical information upon the structure and composition of these minerals. Given that low temperature diagenetic minerals are commonly fine-grained and poorly crystalline, the ... See full document

... d13Cdiatom provides a record of changes in this carbon pool, overcoming issues of sample heterogeneity and potential diagenesis associated with investigations of stable carbon isotopes o[r] ... See full document

... extensive diagenesis involving dissolution of feldspars and lithoclasts, precipitation of quartz, and a second phase of dissolution of feldspar, lithoclasts and ...early diagenesis was controlled by ... See full document

... Skeletal remains in this Mycenaean secondary burial have been seriously affected by diagenesis. Post-mortem modi- fications observed in microstructure, bioapatite, and colla- gen are characteristic of burial ... See full document

... Veizer, 1986, Ordovician spars in the Gordon Limestone, Tasmania Wang and Rao, 1989, and Ordovician cements from Nevada Ross et al., 1975, the 18Q values of marine cements in the Thung S[r] ... See full document

... The sedimentary rock record contains the history of the changing surface of the planets. Sediments can be transported whenever the wind blows or water moves, and, when these sediments accumulate and are preserved as ... See full document

... physico-chemical parameters and soil arthropods in PYTP farmlands, University of Ibadan show a significant positive correlation between Collembolans and soil moisture content ... See full document