... the operator plan the appropriate remedial actions to fix the annuli in communication and also the unanticipated 13-3/8″ pipe damage. pipeline corrosion production control well logging casing design casing and cementing thickness production monitoring reservoir surveillance subsurface corrosion...

..., and most critically to achieve a reliable solution. The consideration of thin-beds is especially important to the oilfields where reservoir bed-thickness is in the range of less than one meter to several meters. The tool-configuration is designed with optimized coil-spacings, coil-orientations and a range...

...-casing evaluation than when using three or two detectors. = 0 (1) In this work a case story using the four-detector tool to where N is the detector count on a scatterer of thickness obtain through-casing formation density and using the h, N0 is the zero-source-distance count, is the Compton algorithm...

... invested in three liquified density measurement to determine the thickness of the natural gas export projects supplied by produced coal annulus, and hence hole size, compensating for liner and seam gas. Annual production is of the order of 40 Bscm annulus properties. or 1,500 PJ, with approximately 80...

... transmitter and receiver run the tool in only one of the tubing strings, if the goal arrays operating at multiples frequencies was designed is solely to inspect corrosion in the outer casings. to accurately estimate the individual wall thicknesses of up to five nested pipes. Data acquired from this tool...

... thickness formation evaluation production rate boundary petrophysical analysis nd annual logging symposium geological concept doi SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0055 3D PETROPHYSICS FOR HAWE. CASE STUDIES. Alexander Kolomytsev, GazpromNeft; Yulia...

... to open-hole wells. Several studies have indicated that it is feasible to measure formation density using a density logging tool in cased well under certain conditions, of which the key problem is to determine casing thickness, cement thickness and cement density. This study proposes a novel method...

... the measured data of the four detector density logging tool and the formation density, casing thickness and cement ring thickness. By carrying out a large number of Monte Carlo simulations and setting up different experimental measurement devices, the effects of casing thickness, cement ring thickness...

... space-time mapping, meaning that the signal at early time is sensitive to proximal barriers while the signal at late time is sensitive to proximal as well as distal barriers. This behavior enables the measurements to independently yield the wall thicknesses and/or metal loss/gain of multiple barriers...

... machine learning well logging modeling predictor williston basin log analysis upstream oil & gas spwla 61 total porosity porosity inyan kara formation water management structural geology thickness gamma ray petrophysical approach reservoir characterization artificial...

..., are related with lowest rock quality and represent the non-reservoir intervals. The greatest challenge in the characterization of this particular reservoir is the vertical resolution, given the very low thickness of the layers, which become very difficult to detect using standard resolution logs. Thus...

... well logging em log thickness measurement operation log analysis upstream oil & gas inspection tool july 29 casing and cementing thickness corrosion spwla 61 cement evaluation future corrosion thickness log case study production string baseline log casing design cavern...

..., for instance. well logging Thickness forward modeling spwla 60 Artificial Intelligence SSF porosity Hürlimann formation porosity perturbation log analysis approximation sensitivity magnetic field sensitivity function resonance equation Upstream Oil & Gas NMR measurement...

... presents numerical modeling of flexural wave propagation for fast and slow formations to show that the ability to resolve the low-frequency asymptote of thin beds is a function of bed thickness and borehole and formation parameters. Specifically shown are the results of applying frequency semblance...

... ABSTRACT Cement evaluation results are commonly presented in a standard two-dimensional (2D depth and azimuth vs. bond) log format, whereas casing inspection results may include three-dimensional (3D depth and azimuth with projected radius vs. thickness) images. The incorporation of 3D images...

... logging frequency drilling risk well placement transmitter University real time system log analysis Upstream Oil & Gas detection em look-ahead Symposium reservoir machine learning drilling operation calibration spwla 60 Schlumberger resistivity Artificial Intelligence Thickness...

... logs, which can detect extremely fine layers with thickness of several millimeters. Traditionally, explicit sand counting in thin beds has been done by applying a user-specified cutoff on a 1-D high-resolution resistivity curve extracted from electrical borehole images. The workflow generally requires...

... phase as = 1 h r0 3 , (10) where h is the thickness of the inner layer and r0 is the radius of the hydrocarbon droplet. In reality, the hydrocarbon phase is not distributed as a dispersion of identical spherical droplets, but as a distribution of different shapes and sizes. However...

... component to the well planning process when acquiring data and as such, is one that requires as much focus as the data itself. The Arundel field in the Central North Sea, UK, presents a highly changeable and complex subsurface environment, comprised of multiple pay zones of varying thickness and uncertain...

... quantitative measurements of casing thickness and inner diameter (ID). The tool also provides a comprehensive analysis of casing material properties. A patented four-segment (quadrant) receiver incorporated within the tool mandrel measures the casing thickness with a 90° circumferential sensitivity based...