Drilling fluid service


The history of the development of the service for the provision of services for the maintenance of drilling fluids of Oktyabrskoye UBR LLC dates back to 2014. For the integrated project of OOO Bashneft-Dobycha, a recipe was developed and tested for this project - "KCL gypsum-lime drilling mud", which showed high efficiency and effectiveness in combination with minimal risks in the construction of wells in the Republic of Bashkortostan.

 Experience in supporting drilling fluids of Oktyabrskoye UBR LLC

For 2022, Oktyabrsky UBR LLC has experience in supporting drilling fluids on the following projects:

  • LLC JC RUSVIETPETRO Republic of Komi.
  • LLC "Bashneft-Dobycha" Republic of Bashkortostan.
  • LLC "Gazpromneft-Orenburg" Orenburg region.
  • OOO LUKOIL-Komi Republic of Komi.
  • JSC "Preobrazhenskneft" Orenburg region.
  • JSC "Samaraneftegaz" Samara region.


The following drilling fluid systems have been developed and tested with subsequent successful pilot tests:

  • KCL gypsum-lime drilling mud;
  • Clay-free biopolymer drilling fluid;
  • Emulsion-gel drilling fluid (EGM);
  • PetroDrill oil based mud.
  • Heat Resistant Biopolymer Drilling Fluid Petro-THERM

 Experience in supporting drilling fluids of Oktyabrskoye UBR LLC

2015 2016 2017 2018 2019 2020 2021
 15 24 23 26 20 20 47 29

Year 2014 2015 2016 2017 2018 2019 2020 2021
Number of wells, pcs 15 24 23 26 20 20 47 29


 In the period from 2014 to 2021, 204 wells were drilled and invaluable experience was gained in providing drilling fluid support services at production (including horizontal) exploration wells and well reconstruction by sidetracking.

 Technologies have been developed and tested to eliminate zones of complications (catastrophic absorption of flushing fluid, manifestations of reservoir fluids, scree collapses).

Our advantages in drilling fluid service:

  • Highly qualified personnel with extensive field experience.
  • Round-the-clock technical support by field engineers in the well-office system.
  • Full provision of advanced field laboratories of OFITE and FANN firms that meet the requirements of API (American Petroleum Institute) standards.
  • Own scientific and technological laboratory of drilling fluids, equipped with modern equipment of domestic and foreign production in accordance with the standards of the Russian Federation and international standards of the American Petroleum Institute (API).
  • Reliability and safety.
  • Competitive prices.

 Drilling fluid service includes:

  • Development and preparation of a flushing program for drilling fluids with hydraulic calculations, a detailed description of the formulation, the required volume of preparation and purpose of chemical reagents;
  • Selection of the type of drilling fluid based on the data of the mining and geological conditions of the field and the analysis of previously drilled wells, which makes it possible to preserve the reservoir properties of the formations;
  • Qualified engineering and technological support using modern methods for monitoring the parameters and composition of the drilling fluid using laboratory equipment that meets the standards of the Russian Federation and API (American Petroleum Institute);
  • In the event of unplanned complications in the process of well construction - timely issuance of recommendations, drawing up plans for the elimination and prevention of complications;
  • Maintenance of working documentation (detailed daily reports, final reports).

 Applicable drilling fluid systems:

  • Encapsulating
  • KCL gypsum-lime
  • Gypsum lime
  • Clay, polymer-clay
  • Biopolymer polysaccharide
  • Emulsion-gel inhibited
  • OBM (on mineral oil, diesel fuel)

Petro-Drill developed its own oil-based mud (OBM) formula for drilling horizons composed of unstable mudstones and successfully tested as evidenced by the positive feedback from BashneftDobycha LLC.