#Hampson russell well tie software#

Info Read SEGY Wavelet estimation New Project Correlate near offset far offset Display Well Tie Elog Strata Geoview Hampson-Russell References Open Seismic from SEGY file For unknown reasons, the software is sometimes unable to read the trace sorting code and measurement system from the SEGY trace headers. Toggle the options as shown to the right and click Next. Since the UTM x and y are removed from the SEGY trace headers, CDP number is the primary key for assigning the traces to bin location. Add the near.sgy and far.sgy files as shown and click Next. Select the From SEGY File option under Seismic in the main window of Elog. Info Read SEGY Wavelet estimation New Project Correlate near offset far offset Display Well Tie Elog Strata Geoview Hampson-Russell References Open Seismic from SEGY file The near and far offset stack need to be loaded. The Ei/Vp log shows up under the density tag since this was assigned density when red from file. Click on the Active logs button and complete as shown. Make sure that the the density log is the Active, or default, density log. Also change the Start Amplitude and End Amplitude for the density log as shown. Click on the eye-shaped button on the toolbar menu and click the Logs folder to display only the P- wave_chk, S-wave and density. After the check shot correction, P-wave_chk should be used as P-wave log instead of the previous P-wave. Info Read SEGY Wavelet estimation New Project Correlate near offset far offset Display Well Tie Elog Strata Geoview Hampson-Russell References Well_1 We only want to display the density, p- and s-velocity in the Elog window for the further exercise. The log suite of Well_1 should appear promptly in the main window of Elog. Info Read SEGY Wavelet estimation New Project Correlate near offset far offset Display Well Tie Elog Strata Geoview Hampson-Russell References Well_1 Select Well_1 in the first appearing windown. Toggle the Start a New Project option in the appearing window and fill out the form as shown. Since this is the first project, a new one has to be created. You are getting prompted to select a project. Hence will acoustic impedance be used for tying the logs to the near offset stack, and elastic impedance to the far offset stack.Geoview The files needed can be downloaded from here:Start the Elog module by clicking the Elog button in the Geoview window. Acoustic impedance corresponds to near offset reflectivity, while elastic impedance corresponds to far offset reflectivity. A hybrid approach (formulated using Greenberg-Castagna equation) specific for the Niger Delta depobelts was used to estimate and generate shear wave velocity for the wells.Info Read SEGY Wavelet estimation New Project Correlate near offset far offset Display Well Tie Elog Strata Geoview Hampson-Russell References Create New Project After the check shot correction shown in the Geoview part is completed, the logs need to be tied to the seismic events. The implementation of the tasks consists of mapping of structural framework, horizon picking, log editing and correlation, wavelet extraction, building of low-frequency model, acoustic impedance inversion and crossplot analysis of reservoir properties and attributes. In this present study, post-stack seismic inversion and seismic attributes analysis were used to evaluate the potentials and prospects of mapped reservoirs in a field, offshore depobelt, Niger Delta. Whereas conventional seismic interpretation technique poses certain degree of uncertainty in reservoir characterization, seismic inversion constraint by log data brings significant improvement in interpretation that reduces uncertainty in the delineation of reservoir characteristics, volume and distribution. The Niger Delta oil province in Nigeria is chiefly composed of several pay zones with many stratigraphic intervals of sand and shale formations in varying proportion. The task of minimizing pitfall in quantitative reservoir assessment and evaluation is an integral aspect of any promising petroleum exploration and evaluation project.