... of pseudo-slug flow is often found to vary between the linear velocity of slug flow and the wave celerity in segregated flow. Dimensionless parameters are proposed to calculate the structure velocity, while the flow behavior is modeled with Zhang et al. (2003) unified model and used as input for the new...

... presented in this paper, named Virtual Salinity, calculates water salinity in real time in wells equipped with reliable flowmeters. It regresses the dynamic gradient equation on salinity values. The results of this workflow improve the quality of RTVFM application to other wells injecting the same water mix...

... production control shirazi mpfm pipe integrity management reservoir surveillance flow assurance calculation geometry magnitude prediction flowmeter equation Introduction and Background As a result of higher than expected sand production in an offshore platform, a pinhole failure...

... . Once the value for the linear flow parameter is calculated, it can be interpreted differently depending on the type of completion. With the Low permeability Reservoir analysis, two types of completion are available: Horizontal Multifrac – effective k model type In this case, it is assumed...

... of the suggested remedy, adsorption studies, surface energy, and density functional theory calculations were performed. Results show that asphaltene adsorption on chelating agent-treated carbonate surfaces can be prevented or reduced. The best chelating agent concentration must be established, though. Findings...

... 11 Post CTGIS Installation Future Prospects Results Conclusion Injection valve Lower Packer Anchor Seal assembly Telescopic Swivel Sub Spaceout calculation during landing slip and seal inside CTH Challenges Coiled tubing straddle elongation during gas injection...

... Abstract This paper details a study to design a Fluid Advisory System which uses various algorithms and methods to calculate an optimal quantity of chemical additives which preserve the desired characteristics of the drilling fluid based on manual and real-time measurements while taking...

... transform. The sparse near-field component is calculated by using the grids for fracture elements. Based on the split of dense matrix into far-field and near-field components, FFT is applied to accelerate the multiplication of matrix and vector since no dense matrices are used. A large fracture network...

... upstream oil & gas complex reservoir geologist united states government emission geology reservoir surveillance climate change valve calculation federal regulation ensign natural resource north america government mudstone methane emission storage tank accuracy evaluation flow metering...

... testing composition casing and cementing casing design chemical spill reservoir north america government scenario determination calculation worst case discharge wellhead bureau wellbore hanger casing design load case petroleum engineer information contribution gradient Introduction...

... supersaturation in the aqueous phase as a thermodynamic system. Although experimental uncertainties resulted in a possible range of equilibrium properties for aqueous NB fluids at high pressures, the extrapolation of the calculation results to atmospheric pressure yielded a radius and a number density of bubbles...

... deposition inside wellbore without using chemicals by applying only physical methods. This can be done by controlling wellhead parameters. Methods, Procedures, Our methodology involved analyzing the flow dynamics, pressure and temperature conditions inside the wellbore, and by calculating the scale tendency...

... Nuclear logging-while-drilling (LWD) tools delivering gamma-gamma density, photoelectric factor (Pe) and neutron-porosity measurements are essential services for the oil and gas industry to calculate accurate asset NPV (Net Present Value). As a part of the triple-combo bottom-hole assembly...

... calculation and are shown to be in excellent agreement. This is significant as the LBM has a legacy of thermodynamic inconsistency due to which such agreement is hard to achieve. Next, we simulate far from equilibrium systems by considering the case of spinodal decomposition for a binary mixture...

... data collected during the post-treatment flowback activity is used in simulating bottomhole (BH) production rates with the help of calculations. Using Gaussian solution scheme, the BH rate is distributed amongst the various perforation clusters while incorporating the effects of key hydraulic fracture...

... to positions far removed from the measurement point is often necessary. This requires accurate calculation of hydrostatic and hydrodynamic pressures and the wellbore and vertical depth positions to infer pressure profiles along the borehole. These profiles are a function of the accuracy of characterization...

... measurements, manual input, and human guidance. A continuous downhole measurement system that uses inclination, azimuth, and measured depth to determine the drilling bit's location would facilitate directional drilling automation. A downhole computer would compute all calculations in the bottomhole, allowing...

... to provide virtual well instrumentation to operations that do not have permanent downhole sensors. It consists of the coupling of different numerical simulation software, allowing the calculation of Annulus Pressure Buildup (APB) for confined well annulus and also safety factors for structural integrity...

... BHP calculations under the influence of a limited aquifer drive mechanism. In this study, we present and investigate the application of INSIM-BHP to history match highly variable real-life (oscillatory) oil rate and BHP data acquired daily in multi-perforated wells. Previous versions of INSIM were...

... scenario history matching artificial intelligence optimization schlumberger 2020 field development plan evaluation reservoir simulation machine learning automated reservoir model calibration assessment subsurface uncertainty applied schulze-riegert workflow calculation probability objective...