Scientific and technological support and engineering

Scientific and technological support and engineering

  • 2D/3D land seismic acquisition design;
  • Outlining and preparing deep targets for drilling by seismic exploration and geologic structure analysis;
  • Designing of prospective and exploration drilling;
  • processing, structural and dynamic interpretation of 2D and 3D seismic data, as well as processing and interpretation of VSP data, geoseismic modeling and microseismic monitoring during hydraulic fracturing using the latest software (Paradigm, Petrel, Tesseral, UNIVERSE), computing servers based on Intel Xeon, connected by a high-performance Infiniband bus into a computing cluster (all software is installed on Hi-End graphics stations. The processing results and the initial seismic data are stored in a specialized data storage with a capacity of more than 400 TB)
  • Core sample preparation (a set of equipment for preliminary core preparation by Vinci Technologies, France):
  • density and spectral gamma-ray core logging (SGL-400 Gamma-ray recorder (USA);
  • core to well logs correlation;
  • 2/3 core photograpy in daylight and ultraviolet light (Digital system for photographing the core in daylight and ultraviolet light, Vinci Technologies, France);
  • Lithological and sedimentological studies:
  • macroscopic description of full-size core and subsequent building of a lithological and sedimentological column;
  • petrographic description of standard thin sections,
  • analysis of the pore space structure;
  • Mineralogical studies:
  • determination of the mineral composition of rocks, study of the mineral composition of clays by X-ray diffraction analysis (X-ray diffractometer Smartlab SE Rigaku, (Japan));
  • determination of rocks elemental composition by X-ray fluorescence analysis (X-ray fluorescence spectrometer ARL PERFORM'X Thermo Fisher Scientific, (Switzerland), etc.
  • Geochemical studies:
  • pyrolytic studies - pyrolysis of rock samples, including determination of total organic carbon and mineral carbon (Geochemical research facility (Hawk pyrolyzer), USA));
  • X-ray tomography (ProCon X-RAY CT-Alpha tomograph (manufactured by ProCon X-RAY GmbH, Germany):
  • X-ray computer tomography of individual core samples, building of a digital 3D model;
  • interpretation of the received data using specialized software.
  • Wide-scale laboratory tests:
  • determination of open (effective) porosity by liquid saturation with the calculation of volume and mineralogical densities
  • determination of open (effective) porosity by gas-volumetric method with Klinkenberg correction, absolute/effective/cavern capacity,
  • determination of absolute/effective gas permeability
  • determination of granulometric composition and clay content by hydraulic sieve/pipette method
  • granulometric analysis using an optical analyzer
  • electrical resistivity measurements
  • making standard petrographic sections
  • residual water saturation measurements using semi-permeable membranes
  • Specialized laboratory tests (RC-4500 refrigerated centrifuge, Autoflood 700 unsteady state relative permeameter (Vinci technologies, France):
  • modeling of residual water saturation by centrifugation;
  • determination the rock wettability index using the USBM/AMOTT method;
  • determination of capillary characteristics in the "air/water", "air/oil", "water/oil" systems during drainage and impregnation;
  • determination of imbibition coefficient;
  • relative permeability experiments, etc.
  • Geomechanical laboratory tests (using RTR-1000 RTR-1000 Rapid Triaxial Rock Testing System (GCTS, USA).
  • Analytical studies:
  • stratigraphic detailing and correlation of sediments to well logs, analytical studies based on the results;
  • comprehensive lithological and sedimentological lab studies to reconstruct sedimentary environment;
  • processing and analysis of the results of lab core studies in order to build a petrophysical model;
  • integration of well log data with core, geotechnical well testing, PLT, geochemical studies, frac and microseismic data;
  • primary processing and interpretation of open-hole LWD using PowerLog (CGG) and Prime (Geotech) software systems, reservoir isolation and determination of their filtration and reservoir properties;
  • assessment of prospective structures identified and prepared based on seismic survey data;
  • calculation and audit of oil and gas reserves;
  • operational calculation of oil and gas reserves of new deposits and fields;
  • feasibility study of the oil recovery factor;
  • estimation of P10, P50, P90 hydrocarbon resources and reserves by the probabilistic method in REP software;
  • assessment of depletion and localization of residual oil reserves.
  • designing the construction of deep wells in difficult geological conditions;
  • development of technologies and engineering support of drilling processes;
  • development of formulations of grouting solutions, conducting laboratory and field tests of cementing solutions and materials;
  • design, analysis and optimization of the development of oil and gas fields with the preparation of projects and the designer's supervision of geological and technical measures and EOR methods for improving oil recovery;
  • creation of geological and hydrodynamic models of oil and gas deposits;
  • development of technical means and technologies to mitigate asphalt-resin-paraffin and salt deposition, corrosion of submersible equipment and surface infrastructure;
  • development, adaptation and improvement of equipment for dual completion;
  • conducting research work on flowing and artificial lift wells 
  • introduction of new equipment and technologies, for drilling and workover of multi-lateral wells with BHAs and coiled tubing;
  • doing and designing frac jobs (hydrofrac, acid frac, acid+proppant frac, nitrogen foam frac, massive frac, multi-stage frac, including Plug&Perf);
  • multi-indicator reservoir studies, extended and selective reservoir treatment;
  • development of technologies and providing engineering support of oil production, gathering and treatment using oilfield chemicals;
  • development and implementation of oil production control systems, gathering and recording of field data, their engineering support and maintenance (well control systems);
  • studies of downhole and recombined samples of reservoir fluids, performing Swelling, MSM tests, determining physical and chemical parameters of dead oil, asphalt-resin-paraffin depositions, natural gases, petroleum products;
  • complex analysis of depositions composition;
  • testing of oilfield chemical reagents;
  • determination of composition and properties of reservoir and associated water;
  • research and development of chemical compositions for water shut-off, EOR and production stimulation for specific reservoir conditions;
  • integrated design using information modeling technology, development of BIM models of oil and gas pipeline transport facilities.