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Research Work

Field Laboratories; Modelling Physico-chemical Processes of Naturally Occurring Cores; Petrophysical Rock Research; Interpretation of Data Acquired by Nuclear Physics Logging Methods for Controlling Field Development; Processing and Interpreting Geophysical Data; Processing and Interpreting Geological-Technological Data; Monitoring Oil and Gas Fields;

Field Laboratories

Cement Slurries Research:

  • Thickening times under atmospheric pressure;
  • Thickening times under high pressure and temperature (reservoir);
  • Water loss;
  • Cement set strength;
  • Selecting compositional additives for cement slurries;

Testing acidic compositions for compatibility with formation fluids;

Studying well-killing fluids – filtering properties

Modelling Physico-chemical Processes of Naturally Occurring Cores

  • Selecting compositions of acting agents;
  • Testing agents used for compatibility with formation fluids;
  • Determining reservoir porosity and permeability;
  • Determining relative permeability;
  • Evaluating the effects of treating formations with various compositions.

Petrophysical Rock Research

  • Marking and conservation of core material. Determining porosity and permeability of monolithic core. Gamma-ray logging of core columns;
  • General and particular research of standard cylinders and whole core;
  • Testing unconsolidated core using low-temperature technique, allowing to determine the entire complex of petrophysical paramters;
  • Determining full, effective and cavernous rock capacity, amounts of free water and bound water, permeability, pore size distribution, surface area, properties of hydrocarbons in porous environment and reservoir voidage by nuclear magnetic resonance;
  • Joint interpretation of the results of core research and GWL data, including log depth matching, interpretation of data together with express core analysis, grounding the use of special methods, involving treatment of well bore zone for the purposes of inflow stimulation;
  • Fast interpretation of GWL data, lending information on linear reserves of hydrocarbons, express analysis of core at the stage of exploration. 

Interpretation of Data Acquired by Nuclear Physics Logging Methods for Controlling Field Development

Quantitative evaluation of oil and gas saturation of formations in a cased well at any rate of mineralization of reservoir water and injected water, including:

  • Determining current oil and gas saturation of rocks by data of integral pulse neutron logging;
  • Determining the current oil and gas saturation of rocks by a complex of techniques, including spherically focused logging;
  • Determining the current saturation of terrigenous reservoirs with a complex fluid composition by data of nuclear physics spectrometry;
  • Singling out gas-saturated reservoirs and determining gas-water contact and gas-oil contact surfaces.

Complex integrated interpretation of geological-geophysical data on particular exclusive wells (ultradeep wells, parametric wells, exploratory wells, development test wells, etc.).

Processing and Interpreting Geophysical Data

  • processing GWL data;
  • complex interpretation of GWL-methods data on open and cased holes, determining water-oil contact and gas-oil contact surfaces;
  • log correlation and subsurface geologic imaging;
  • processing seismic data;
  • interpretation and correlation in accordance with seismic prospecting data;
  • fast analysis and time/depth conversion;
  • detecting fractures by data of GWL and seismic prospecting;
  • mapping of geological-geophysical data and creating structural maps. 

Processing and Interpreting Geological-Technological Data

  • partition of a geological section into lithological rock varieties by data on the composition of hydrocarbon gas and drilling technological parameters;
  • detection of reservoir beds and determining the nature and degree of their saturation on an on-going basis by data on hydrocarbon gas composition;
  • determining the porosity and permeability of the object of research by data of hydrocarbon gas composition analysis of a methane gas, taking into account the influence of pressure in the manifold lineо, pressure on the drilling bit and drilling advance rate. 

Monitoring Oil and Gas Fields

  • controlling and regulating the development of oil and gas fields;
  • detecting the zones of effective oil saturation for rational further development of reserves;
  • direct quantitative measurements of current oil and gas saturation of a field under development;
  • determining the porosity and permeability of reservoir beds;
  • determining the rate of current oil saturation in a gas-saturated part of a reservoir;
  • determining residual oil saturation of return fields, in areas of infill drilling, in active development areas;
  • searching for overlooked oil-saturated zones within fields developed;
  • making evaluation parameters more reliable;
  • areal analysis and differentiation of zones according to the degree of formation depletion;
  • mapping with the purpose of planning geological and technical operations;
  • creating 2D and 3D geological models of reserves based on NPM GWL data.