Exploration

Belorusneft does a full set of exploration activities and seismic exploration in Belarus and upon other requests of petroleum companies from Russia, Venezuela, Ecuador, Ukraine and India. 

Belorusneft has at its disposal set of modern equipment and qualified staff able to perform the whole range of operations associated with exploration and seismic exploration.

Belarus

83 oil and gas condensate fields have been discovered in Belarus to date. All fields are located within the Pripyat Trough in the south-east of the country.

61 of these fields are under exploration at the moment. More than 95 % of Belarusian is made up by 26 fields. Almost half of all remaining recoverable reserves of the company are located within 5 largest fields: Rechitskoye, Ostashkovichskoye, Vishanskoye, Yuzhno-Ostashkovichskoye and Yuzhno-Sosnovskoye. More than 71 % of enterprise’s accumulated production accounts for these fields.

By using up-to-date geological and seismic exploration methods Belorusneft and Belgeologiya experts discovered 20 deposits and 57 reservoirs of hydrocarbons from 2002 to 2017 in the well-explored Belarusian region. Over the same period Belorusneft put on the books 63 exploration targets.

Despite the fact that the Pripyat Trough is well studied, possibility to build up resource base and discover new deposits using geological and geophysical methods is limited. That is why follow-up exploration of existing deposits and increase of oil extraction factor are of the highest priority.  Special attention should be paid to use of up-to-date technologies and unconventional approaches to exploration and prospecting.

We are conducting research aimed at finding unconventional reservoirs.

Belorusneft has developed a Prospecting and exploration program for Pripyat Trough up to 2020 and forecast up to 2023.

Search and exploration at Belorusneft enterprise is done by:

  • Department of field seismic operations;
  • Svetlogorsk drillingdepartment;
  • Belarusian oil research and development institute.

Belorusneft experts of these subdivisions carry out a full set of exploration operations – from field acquisition, seismic data processing and interpretation, building geological and dynamic models to preparing integrated solutions for exploration and development oil and gas wells drilling methods are elaborated.

In 2015 Belorusneft opened Center for study, processing and storage of core material, which is unique for Belarus. More than 50,000 meters of core material is stored here with compliance to global standards. About 40,000 meters of core material was extracted during exploration works.

The enterprise carries out the following seismic exploration operations:

  • 2D, 3D, 2D/3C, 3D/3С acquisition design;
  • Topographic and geodesic services;
  • Land 2D, 3D, 2D/3C, 3D/3С seismic data recording;
  • Shothole drilling;
  • Vibroseismic  acquisition;
  • Refraction wave VSP survey;
  • Geophysical equipment repair and technical support;
  • Transport support of seismic operations;
  • Seismic exploration QC;
  • supervision.

Belorusneft specialists have experience in 2D, 3D, 2D/3C, 3D/3С seismic exploration. We design and implement high-density WAZ acquisition with both explosive and non-explosive sources.

Equipment

For exploration Belorusneft uses state-of-the-art equipment and technologies:

  • special software package MESA with further adaptation of created projects to changes occurring in the course of project implementation;
  • satellite navigation systems R-7, R-8 GNSS, TRIMBLE M3 tacheometers;
  • wheel-mounted mobile drilling stations УРБ 2А-2;
  • full-track mobile drilling stations УРБ-4T-2, УГБ-001;
  • vibration sources CB-30/120H, equipped with electronic control devices VE464 SERCEL;
  • 428XL telemetry system with field equipment set FDU, DSU-3 and explosion synchronizing system;
  • borehole investigation stations АМЦ-ВСП-3-48;
  • Echos 15.5, Focus 5.4, SPW, MESA software.

Seismic data processing and interpretation

Processing and interpretation of seismic exploration data acquired in Belarus and in foreign projects is done in BelNIPIneft R&D institute located in Gomel.

The center is fitted with modern equipment, Intel Xeon-based servers, connected by high-powered Infiniband bus into a calculating cluster. All the software is installed at Hi-End graphic stations. Processing results and the original seismic data are kept in a special 200 Tb data storage.

Software

For seismic data processing:

  • Echos-15.5;
  • GeoDepth (Power 2D/3D);
  • GeoDepth (3D MIG_CT);
  • 3D Kirchhoff PSTM NexGen;
  • 3D Kirchhoff PSDM NexGen;
  • 2D pre-stack Kirchhoff & fx depth migrations – NexGen;
  • 3D grid tomo- nexgen;
  • Full azimuth anisotropic tomography;
  • Tomo facilitator;
  • Seismic Studio;
  • PROSOURSE;
  • FlatIrons.

For structural interpretation of seismic data:

  • Petrel 2016, SeisEarth XV, iMap.

 For dynamic interpretation:

  • AVO inversions, Probe, Fastvel, Vanguard, Stratimagic analyses and modeling, IFP Inversion, ComprehensiveAttr, SeisFacies, VoxelGeo.

Russia

In 2016 our enterprise fulfilled cameral seismic study 3D in the amount of 433 km2 for Severneft-Urengoy LLC, aimed at detailed elaboration of geological structure with forecast of porosity and permeability properties of rocks based on dynamic analysis, and 3D seismic exploration for RN-Stavropolneftegaz JSC in the amount of 185 km2.

Latin America

Belorusneft possesses team of qualified specialists and set of state-of-the-art equipment to carry out seismic exploration.

Venezuela

Sismica BeloVenesolana joint venture (Beloruneft share – 40 %) since 2007 performs geological assistance during oil production, as well as seismic exploration.

Sismica BeloVenesolana JV is one of the leaders in the market of seismic services in Venezuela. It possesses modern equipment to perform operations of any complexity.

Equipment

For prospecting and exploration work we use modern equipment and technologies, namely:

  • 428XL telemetry systems with DSU-3three-component sensors;
  •  Trimble® GPS;
  •  STONEX electronic tachyometer;
  •  СВ-30/120М truck-mounted vibroseis source;
  •  EMCI drilling unit  - tractor-mounted;
  • SEDEDRILL drill unit truck-mounted;
  • DOMOPOWER, LOMBARDINI, ASME portable drilling units;
  • FOCUS seismic data processing complex.

On top of that Belorusneft is properly equipped to carry out operations using potential-field methods.

Successful projects in cooperation with Eni, Repsol, and Petrovietnam for joint ventures of PDVSA have been carried out. The scope of work of 2D for recent 7 years made up about 2,500 line km, of 3D – over 950 km2.

Ecuador

Belorusneft branch office in Ecuador was established in 2012.

Major directions of activities of Ecuador branch office are as follows: complex seismic exploration, data processing and interpretation.

In 2014-2015 field seismic operations in the amount of 1500 km2 (Blocks 12 and 31) with further processing of obtained data were successfully fulfilled. In 2015 Belorusneft concluded contract with state-owned company Petroamazonas for provision of special services associated with production optimization, enhanced oil recovery and geological exploration at Armadillo field (Block 55), as well as in consortium with Petroamazonas and ENAP (Chile) signed contract for development of Block 28.