... Wide-azimuth seismic is the basis of pre-stack seismic anisotropy prediction. The conventional pre-stack depth migration method is based on the ground observation system. The output gather is offset gather, which lacks valuable azimuth information. The OVT domain processing method can output...

... attenuates flexural waves and deconvolves the chirp source signal. Beamform processing enhances event signals using the azimuthal receivers of the tool and removes the effects of tool rotations. The trial-reflector migration, which is a Kirchhoff migration with coherence weighting for virtual reflectors...

... the benefits of wide azimuth, long offset, high density seismic acquisition with broadband sweep as well as the advanced processing workflows applied for several surveys in Kuwait. Use of these advanced technologies resulted in improved seismic imaging and better reservoir attributes covering the entire...

... the locations of fractures. Various standard attributes from the conventionally stacked full azimuth data were generated but were found to be unable to provide clear signature of these fractures corridors. Advanced full azimuth seismic imaging and characterization method formulated in the local angle domain...

... We proposes a decoupled orthotropic anisotropy modeling method. The residual curvature of the azimuthal imaging gathers from orthotropic migration is used to update the TTI anisotropic parameters at each azimuth, and elliptical fitting is used to drive the updating of the orthotropic anisotropic...

... association optimizing seismic survey design europe government reservoir characterization imaging expanded abstract azimuth geometry configuration cyprus government acquisition configuration applied geoscience inversion energy 10 sedimentary basin geological subdiscipline exploration...

... The nearly vertical strike-slip fault system is commonly developed in an exploration area in western China, which is a typical Orthorhombic medium. The obvious features of azimuthal anisotropy was observed on the OVT CIP gathers with TTI prestack depth migration imaging. In this paper, based...

.... A recent survey used the Gemini source as a primary source for the survey, and operational efficiency was better than standard marine air gun arrays. geologist reservoir characterization international azimuth upstream oil & gas frequency american association society united states...

... complex and dominated by fracture. Because the high complexity of X structure’s buried-hill reservoir, a wide azimuth OBN (Ocean Bottom Node) acquisition with a width to length ratio 0.72 is conducted. Comparing with traditional towed streamer acquisition, OBN acquisition is a superior approach to acquire...

... travel times from seismic sources to all fiber sensors of the DAS array and construct differential travel time (DTT) profiles. We use the spatial distribution of DTT to estimate the source azimuth and the angle of incidence, and to correct raw DAS amplitudes distorted by the fiber directivity using...

... This work aims to establish the most suitable seismic fracture characterization methodology for Colombian Middle Magdalena Valley (MMV) cretaceous formations by comparing interpretations from well image logs with various seismic anisotropy attributes obtained from azimuthal data. The workflow...

... azimuth A deep-learning workflow for weak reflection extraction in pitch-catch measurements in cased- hole Qiang Wang, Hua Wang, Shaopeng Shi, School Resources and Environment, University of Electronic Science and Technology of China, Chengdu, Sichuan, P.R. China,611731 Summary As a key technology...

... are developed based on the azimuthal difference in proposed P-wave reflectivity equation. Numerical results illustrate the feasibilities of three methods with no noise and illustrate that three methods can provide reasonable inverted stress results at relatively large incidence angles but show huge bias...

... with fracture-driven interactions (FDI’s or “frac hits”). These signals enabled fracture azimuth to be determined, which indicate a systematic variation in azimuth with depth in the reservoir zone. This variation is interpreted to represent a depth- dependent rotation in the maximum horizontal stress direction...

... in the interface auto-picking module. Finally, the coordinate transformation module maps arrival times on the array waveforms in the time-depth profile at each measurement azimuth. The proposed processing flow works well for the dataset from numerical simulations and a calibration well and the feature of cement...

... splitting correction rectangle american association polarity reversal reservoir characterization svp-t exploration geophysicist reflection upstream oil & gas svp-r azimuth expanded abstract energy 10 fracture orientation international applied geoscience separation...

... an input volume; (2) compute additional attributes dip and azimuth for each fault sample; and (3) extract fault surfaces by applying network analysis to connect nearby fault samples with similar fault attributes. The extracted fault surfaces can be integrated into a geological model for identification...

... discontinuity enhancement and skeletonization methods enhances fault discontinuities and suppresses many non-fault discontinuities. Although each fault is characterized by its dip and azimuth, these two properties are discontinuous at azimuths of φ =±180° and for near vertical faults for azimuths φ and φ...

... Seismic dip calculation is a technique that is commonly used in seismic interpretation and reservoir characterization to emphasize faults and geological features in seismic data. Gradient structure tensor (GST) is one of the techniques using which structural dip and azimuth are estimated...

... azimuth effectiveness heterogeneity The Bahrah field in Kuwait, has a complex stratigraphic and structural setting and large heterogeneity of the reservoir quality which are factors controlling the oil accumulation and its production behavior. Seismic data in the study area is heavily contaminated...