... in a performance improvement over traditional nonlinear approaches, which rely on the calculation of incremental displacements to determine the precise location and magnitude of contact forces. The new contact iteration is distinct from previous iteration approaches in that it can process multiple contact points...

... show that the rock surfaces slide in a combination of sudden jerky motions (stick-slip events) and of smooth, gradual movements (creep deformation). The frequency and magnitude of the stick-slip events are important since it is these events that are primarily responsible for induced seismicity. Changes...

... sequence was selected to map the frequency and magnitude of shocks and vibrations throughout the area of operations, thus contributing to an enhanced understanding of the phenomenon for further modeling of the most suitable drilling system to address the challenges of the section. From the outset, well 4...

... accuracy increases to r = 0.85. clastic rock fluid dynamics flow in porous media drilling operation log analysis well logging drilling measurement geologist rock type prediction sedimentary rock machine learning permeability magnitude permeability prediction information depth rhob...

... learning upstream oil & gas flow metering magnitude prediction flowmeter simulation contour salama equation mclaury wellbore integrity computational fluid dynamic cfd simulation production control shirazi calculation mpfm pipe integrity management Introduction and Background...

... "spatiotemporally proximal" microseismic events, while taking into account the confounders that influence both the causes and effects. In doing so, we explain the magnitude, location, and occurrence of a new microseismic event produced during hydraulic fracturing as a consequence of the prior "spatiotemporally...

... a seismicity prediction model that calculates the magnitude and timing of triggered earthquakes or seismic events occurring during various subsurface fluid injection activities. We developed an injection-induced seismicity analysis model that predicts the dynamic earthquake nucleation caused by changes...

... technology developments to accelerate the calculations by several orders of magnitude while preserving both the accuracy and the physical trends. Firstly, a large dataset of high-fidelity physics based simulations was created, using modern high-performance computing infrastructure. The input ranges...

... geologist united states government sustainable development geology viscosity reduction mechanism sample sustainability social responsibility particle magnitude electrode waxy crude oil electric field flowability electrorheological effect upstream oil & gas drilling fluids...

... of the MLR-based model is evaluated by the determination coefficient ( R 2 ) and magnitude of a squared error (MSE). Both concepts are defined by (2) M S E = Σ i = 1 n ( y i − y ι ^ ) 2 n (3) R 2 = 1 − Σ i = 1 n ( y i...

... to create dominant reservoir responses can result from an insufficient signal-to-noise ratio with the rate of production and pressure drawdown. It is a function of formation and fluid properties and/or mechanical environment. A minimum rate of production is needed for creating a necessary magnitude...

... magnitude transmission amplitude upstream oil & gas drilling fluid property real time system reflection mdma brine alvarez mud analyzer concentration prototype novel microwave apparatus drilling fluid formulation drilling fluid management & disposal drilling fluid chemistry frequency...

... over a section. This correction is called Dynamic SAG (DSAG) and has been modelled using advanced drillstring dynamics modelling considering the drillstring movement, mud weight, BHA, WOB, shock and vibration levels etc. to get an idea as to magnitude of a DSAG correction and extensive work...

...-noising technique to the noisy data restores some of the features in the derivative profile and helps estimate a more reliable magnitude of the radius of investigation. This study offers opportunities to analyze noisy responses in heterogeneous reservoirs by providing a relationship between the second...

... of the start and end time of FDI during each frac stage, its magnitude, and duration. Another important parameter is observing smoothness of FDI variations with time. The paper offers specific recommendations for additional measurement and computational steps that can be used for determination of the volume...

... interpreted the magnitudes of pore pressure (PP), vertical stress (Sv), and minimum horizontal stress (Shmin) of the syn-rift and post-rift sedimentary sequences encountered in the studied field, as well as we validated the geomechanical characteristics with subsurface measurements (i.e. leak-off test (LOT...

... Abstract This study developed an analytical tool for the detection and characterization of scale buildup from well data using deep learning methods. The developed method allows for a sensitive detection of the initiation of scaling as well as an accurate prediction of the magnitude of existing...

... against previously field observed data. Results obtained from the characterization work suggests the parent child effect is generated by a combination of initial drainage area changes and stress magnitude and direction changes, which are both dependent of the pressure depletion from the parent well...

.... The presence of stick-slip events and high magnitudes of both maximum and root mean squared (RMS) radial accelerations were examined together with the associated surface drilling parameters. Various visualization approaches were performed to help demonstrate the vibration and shock behaviors resulting from...

... correlates to severe high-frequency torsional oscillation (HFTO) in motorized rotary steerable BHA. An advanced transient drilling dynamics model was built to simulate the whole drilling system subjecting to mud pressure pulse incurred loading conditions. It was found that large-magnitude mud pressure pulse...