... by changing permeability distribution. From this hydrogeological model, it was found that the flowing velocity below the saltwater-freshwater interface is very limited, ranging from 0.1 mm/year to several mm/year. We conducted simulation of CO 2 injection on the numerical hydrogeological model. CO 2...

... Abstract Hydraulic fracturing, as a technology that can effectively enhance the permeability of unconventional oil and gas reservoirs, is widely used in the development of unconventional oil and gas resources. In many unconventional fractured reservoirs, dual porosity with logarithmic space...

... neural network trained on Gamma Ray, Bulk Density, Neutron Porosity and Total Porosity logs. In a recent drilling campaign, these new rock types have identified several minor reservoirs with good permeabilities which were not previously modelled. Consequently, these missed hydrocarbons or forgotten oil...

... Abstract This study investigates the application of machine learning algorithms for permeability prediction in diverse geological settings, focusing on carbonate and clastic reservoirs. Four machine learning algorithms—Support Vector Regression (SVR), Random Forest (RF), XGBoost, and LightGBM...

... Abstract Accurately predicting permeability in porous media is crucial for various engineering fields, including petroleum engineering, geology, and environmental science. Unlike conventional reservoirs, shale reservoirs predominantly feature micro- to nano-scale pores, making permeability...

... modeling & simulation chemical flooding methods inference dataset geologist subsurface storage enhanced recovery dataset solubility residually accuracy mobile co 2 mass fraction free co 2 injection rate testing dataset deep learning model permeability prediction Introduction...

... production polymer international petroleum technology conference permeability operation experiment chemical agglomeration application surface control strategy sand agglomeration Introduction The production of sand is a common challenge in the oil and gas industry, particularly...

... marked on a map to identify potentially undrained areas and infill opportunities. Individual well RTA was performed for two blocks of the Field A reservoir, the East and West blocks, consisting of 31 wells in total. The effect of condensate dropout on the effective permeability-thickness (kh...

... Abstract Rock dilation technology by water injection is an alternative and novel method for the reservoir stimulation of the sandstones in the oil fields west of the South China Sea. In this paper, triaxial compression and permeability experiments, physical simulation experiments, and numerical...

... for the production phase of the field. Accordingly, the field development plan goes through constant strategic evaluation and evolution along the life of a coal bed methane project. CBM field production performance largely depends on 3 key criterion – Gas content, saturation and permeability. Higher gas content...

... Summary In this study, we developed the equation for calculating equivalent dual-media pressure for comparison to historical pressure from Naturally Fractured Reservoirs (NFR) during history-matching. Dual-Porosity Dual-Permeability (DPDP) approach is the most popular approach used for modeling...

... the efficacy of this method, an extensive dataset of 10 million digital core samples was generated and subjected to rigorous micro-scale fluid flow simulations, resulting in the acquisition of valuable multi-source experimental data, including porosity and permeability. The results demonstrated a high degree...

... in controlling water movement. Thorough analysis of production data in a spatial sense aided in understanding the overall recovery process, particularly the water encroachment pattern. Challenges such as the absence of relative permeability data, complex or unique pressure trends during production, poor cement...

... analysis, formation pressure and mobility data from the wireline Formation Tester (FT) tool(s), etc. are utilized to capture finer-scale heterogeneities with superior resolution. A comprehensive depth-wise characterization of all zones is then formulated, to ascertain the representative permeabilities...

...Reservoir Properties The effective porosity of the K 1 bs reservoir cores in the Zhongqiu 1 Gas Field ranges from 6.2% to 16.4%, with a median porosity of 12.3%. The permeability ranges from 0.25 to 20.6 mD, with a median permeability of 1.59 mD.In the K1bs1 reservoir cores, the effective...

... Abstract Based on the shut-in imbibition process in low-permeability reservoirs, this paper illustrates the saturation rebalancing principle of post-fracturing well shut-in. It establishes an optimization method for shut-in time aimed at shortening the oil production initiation period...

... seismic resolution and stratigraphic uncertainties, leading to lateral variations in petrophysical properties and pay-zone thickness. The formation is characterized by porosity levels ranging from 2-6% and permeability values from 0.01-1.5 mD, with the flow behavior dependent on a natural fracture network...

... Abstract This study aims to enhance predictive accuracy in dynamic reservoir modeling through geological integration of static model and field historical data. It specifically focuses on horizontal permeability enhancement, targeting better alignment with production history. Utilizing...

... analysis of two key wells was performed and the model and results were tested against the geometries observed in the Spectral images. The PTA work clearly showed radial flow and the presence of barriers. It confirmed observations of the dynamic behavior (permeability, skin and storage) and was also used...

... permeability spectral clustering optimization optimization algorithm well placement clustering iptc-24056-ms numerical simulation optic workflow Introduction Hydrocarbon resources have been playing a significant role within energy sector at global economy scale for centuries. They constitute...