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Program Complex "Univers"

(IT and Software)
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Description:
UNIVERS - a software package designed to process VSP data and interpret them together with GIS and OGT data (2D, 3D). The name of the package in Latin literature. Preprocessing of 2D ground-based seismic data using microwave technology. UNIVERS is formed from a combination of the initial characters of the words UNIx VERtical Seismic.
Overview:

Key features provided by the UNIVERS package. Basic processing.

  1. anchor VSP (checkshot)
  2. longitudinal VSP (short range, zero offset)
  3. non-longitudinal VSP (long-range air defense, far offset)
  4. MTF (walkaway, 2D VSP), 3D VSP
  5. 2D + VSP, 3D + VSP
  6. Microwave 2D terrestrial data preprocessing

The principles of processing.

  • Processing is based on three-dimensional gradient models of the environment.
  • The selection of wave fields is performed iteratively as the separation of the components of the interference field. The sum of the components is equal to the original field.
  • Specialized procedures are used, developed taking into account the specific features of vector wave fields in wells.
  • The processing goals are to refine the model of the medium as a solution to the inverse dynamic problem and obtain images of the medium for subsequent interpretation.
  • The refinement of the environment model is performed iteratively.

The functionality of the package.

  • Detailed lithologic-stratigraphic correlation of deep sections of the OGT and GIS data
  • Assessment of the one-dimensional model of the near-wellbore space
  • Obtaining high-resolution acoustic impedances in the exposed part of the section, as well as below the bottom of the well
  • Assessment of the absorption coefficient of the medium
  • Zero-phase deconvolution of an OGT section along a single-reflection VSP track
  • Obtaining high-resolution near-wellbore images as a result of processing remote PF
  • VSP Surveillance System Design
  • Evaluation of a three-dimensional model of the medium in the near-wellbore space with pinch-outs
  • Assessment of the directions of cracks and faults of rocks
  • Building a geological-stratigraphic model of the environment and structural maps based on information about reflecting horizons
  • 2D 2D seismic data processing for the construction of high-quality time sections using microwave technology.

System environment.


The package runs on Linux 64-bit. The following OS options are supported:

  • OS: RHEL / CentOS / Scientific Linux ver. 5.6 or 7 64-bit
  • Data storage is carried out in a file-oriented database.

OOO "Geovers"

Locations: Russia, Saint-Petersburg
Main Products/Services: Application software development for processing and interpretation of seismic data, processing and interpretation of VSP data in conjunction with GIS and ground seismic
Registration: Russia, Saint-Petersburg