... lab testing has been conducted comparing conventional API cement versus a CO 2 resistant cement design that has been developed especially for wells with CO 2 or CCS application for a period across one month. Both cementing designs were tested for mechanical properties, gas permeability, porosity...

.... The permeability and porosity fields is based on a random 3D heterogeneous field generated by Gaussian covariance model f ( Müller et al., 2022 ). It consists of two steps, defining the covariance model and generating random fields based on the covariance model. The Gaussian covariance model ( γ ) is used...

... the characteristics of the shale reservoir, such as the distribution pattern of storage space, porosity volume distribution, reservoir properties, and three-dimensional structure of porosity, assists in pinpointing high-quality reservoirs, thus reducing exploration and development risks. This study examines...

... multicomponent hydrogen-donor solvent suwaid chengdong yuan rakhmatullin porosity Introduction Since heavy, extra heavy oil and natural bitumen account for about 70% of the total proven oil reserves, which can serve as an unconventional and alternative source to cover the depletion of petroleum...

... norwegian basin sand control benchmarking unstructured data hernandez baillard petroleum engineer pipeline sustainable future benchmarking deep search porosity knowledge management knowledge graph engineering european association Introduction Exploration and Production (E&P...

... Currently, in numerical simulations of reservoirs, frequently employed mathematical models for describing fractures include the continuum model, dual-porosity model, discrete fracture model (DFM), etc. ( Kazemi et al. (1976) ; Rossen et al (1977 ); Lim & Aziz (1995) ; Quintard...

..., checking the volumes obtained previously. Additionally, a benchmarking was considered with more than 590 oil producing fields in siliciclastics worldwide, considering the main properties of the fluid, porosity, facies and depositional environments and drive mechanisms, thus identifying new development...

... reservoir well logging machine learning saturation geologist reservoir mineral artificial intelligence reservoir characterization porosity lithology spectrum permittivity spectroscopy sweet spot identification nmr Introduction Compared with the marine shale oil resource conditions...

... ). Since the sigma of high-salinity water is different than sigma of gas, it is possible to differentiate between the two using sigma. The foundation of accurate interpretation requires precise input for matrix sigma and porosity, with available total porosity input, water saturation can be calculated...

... mudrock recovery displacement evolution characteristic porosity fracture gulong shale nuclear magnetic resonance core 2 core 1 experiment songliao basin inorganic pore spectra gulong shale oil play Introduction The Gulong shale oil plays are located within the Songliao Basin...

... Abstract Accurate estimation of reservoir properties such as shale volume, porosity, water saturation, and permeability is vital for reserve estimation and producibility. However, reliance on model-based computations alone can introduce uncertainties if the measured data or core results...

... on petrophysical parameters related to both wellbore stability and wellbore strengthening such as shale volume (Vsh), porosity (phi), permeability (k), formation water salinity besides the litho-facies and the clay types and mineralogy. For the same selected wells, both drilling and geomechanics events delineated...

... data and enhance history matching calibration. Post-processing technique using resistivity inversion model and mud filtrate resistivity allowed to calculate fractures and cleats aperture as well as porosity. Fracture and cleat properties, i.e. density, length, area, aperture and porosity, were inputs...

... measurements. Tight Rock Analysis indicates that the effective porosity of the Duvernay shale ranges from 1.56% to 6.11%, with an average value of 3.97 %, while the core permeability ranges from 0.25 to 345.5 nD, with an average value of 127.2nD. The total organic carbon (TOC) content ranged from 2.32 to 5.0...

... usually cannot fully penetrate the hydraulic-fracturing-induced branches, the fractal theory is employed to depict the properties of the small fracture branches beyond the acid-etched sections. Finally, the unstimulated reservoir is described by a dual-porosity region (region 4) with vug and matrix...

... in China or worldwide. structural geology contribution shale gas wulalike formation complex reservoir well 1 porosity western ordo basin natural fissure marine shale gas recent exploration breakthrough ordo basin water production basin well 2 petroleum engineer reservoir...

... injection fluid-formation water salinity; C/O saturation and Sigma/Porosity products. Identifying fluid contact as an alternative to open hole logs in difficult environment. Reservoir monitoring. PNL data is obtained from the measured atomic composition of the formation; i.e., the proportion...

... and carbonates compared to X Field, since X field is already saturated with CO 2 . In order to test the hypothesis, samples from these two fields were selected to undergo static batch reaction analysis, and changes in porosity were determined using Digital Core Analysis (DCA). Both X and N fields are carbonate...

... framework! In this study, we develop a petrophysically knowledge-based AI-ML workflow that upscale sparsely-sampled core porosity and permeability into continuous curves along the entire well interval. AI-ML focuses on making predictions from analyzing data by learning and identifying patterns...

... that the shale permeability and porosity were rising overall during the FHT, the L-1 permeability increased by 30- 40 times, the L-2 permeability increased by more than 100 times. The Langmuir pressure increased by 1.68 times and the Langmuir volume decreased by 26%, which means the methane desorption efficiency...