... We develop a deep neural network-based method for automatic baseline correction (ABC-Net) of spontaneous potential (SP) logs to overcome the challenge of SP log deviation and trend accumulation with depth due to salinity and temperature effects. Our method utilizes a deep convolutional U-Net...

...-to-noise ratio and serious nonlinear trace-totrace time difference. In this abstract, we propose a feature template based nonlinear trace time difference (FT-NltD) correction method to correct nonlinear time difference, turning the nonlinear time difference to linear. Then, we propose geometric structure...

... will be lost during the superposition process, affecting the quality of the superimposed imaging. Conventional phase correction methods typically rely on the constant phase assumption, which assumes that the phase shift of the harmonics at each frequency of the seismic wavelet is the same during underground...

... workflows to address them. geologist geological subdiscipline application geology correction applied geoscience & energy 10 workflow variation exploration geophysicist gulf american association repeatability reservoir characterization acquisition water velocity reservoir window...

... amplitude variations with angle (AVA) analysis by comparing it with traditional towed streamer (TS) data in the North Sea. Employing well log data, synthetic AVA responses were compared to those from joint S-DAS and TS data, demonstrating that when applying specific correction techniques, meaningful AVA...

... different wells were jointly processed. Anisotropy estimation and correction were performed to enhance imaging quality. The applied migration algorithm facilitated the correction of fiber sensitivity, contributing to improved imaging results and revealing the detailed structural and stratigraphic features...

... to correct the received 3D9C datasets as both horizontal sources are triggered in X, Y and Z directions. Besides direction correction, an energy normalization is also combined with direction correction as all of 3C sources are excited with the same energy. The method was tested on the synthetic and field...

... mp-fwi imaging velocity model desert environment migration seismic multi-parameter fwi imaging summary american association reflectivity image wavefield reservoir characterization imaging workflow imaging velocity model seismic data reflectivity correction Land seismic multi-parameter...

... land full-waveform inversion velocity model geology inversion receiver synthetic data correction geophysics quail ridge east 3D land full-waveform inversion in the Permian Basin: A case study at Quail Ridge East Benjamin Consolvo*, Fairfield Geotechnologies Summary Resolving the velocity...

... We have developed a neural network assisted (NNA) response simulation and data correction method for array laterolog in invaded formations. First, a three layered cylindrically layered model, which takes into account borehole fluid and step invasion, is established. Based on this model, a fully...

... geoscience society correction upstream oil & gas reservoir characterization exploration geophysicist energy 10 inversion annual international conference algorithm tomography le stunff pp-ps tomography registration displacement exhibition S-wave velocity model building using PP-PS...

... Corrections for source and receiver positioning and clock-drift errors are early steps in the processing of ocean bottom seismic (OBS) data. We have implemented an optimization process to correct jointly for these errors, while a water velocity model gets updated from an initial uniform estimate...

... a workflow to stabilize these estimated amplitude/phase variabilities. The impact of this stabilization routine is shown by improvement in pre-stack amplitude versus angle (AVA) inversion results. geology wavelet stationarity correction exploration geophysicist upstream oil & gas geologist...

... depth by time-depth conversion with result of seismic interpretation in time domain, which always fail in thin sand body in offshore reservoir due to lack of lateral constraint information to correct the influence of velocity change. Aiming at this problem above, we present a corresponding high...

... seafloor subsidence society fluid dynamics subsidence correction exploration geophysicist applied geoscience operation expanded abstract constraint Subsidence measurement and improved statics solutions through accurate node depth determination during time-lapse deep-water OBN surveys Priyanka...

... is the impact of temperature on the pre-mobilization clock frequency disciplining approach. The paper presents a method to correct for temperature dependence of OCXO’s. upstream oil & gas frequency american association international recovery geologist reservoir characterization exploration...

... frequency range from 4 to 6 octaves is developed. This involves recovering the low frequencies by correcting for the source and receiver effects and improving the high frequencies by the use of lithological consistent Q-estimates. This allowed for a 0.78% decrease in Lookahead inversion error and 2.80...

... accurately, high-resolution uphole data or empirical one-way travel time sand curves are used to derive the sand layer correction. We detail feasibility, acquisition and dedicated processing of a helicopter-borne microTEM survey in a large area entirely covered by sand. Initial results show that a detailed...

... resolution invertibility event location inversion workflow upstream oil & gas inversion international wavenumber hydraulic fracturing exploration geophysicist american association joint velocity correction microseismic reservoir monitoring summary society le calvez reservoir...

..., and the near-surface velocity shows obviously continuous medium feature. When performing stack processing in time domain, the static corrections calculated with depth-velocity curve or refraction method could usually achieve good results. By converting the near- surface model established by depth-velocity...