Dulustan Sofronov

Experience

• 

  Lensk-gas LLC

  Jun 2011 - Aug 2011

  Gas production operator
• 

  Scientific Drilling

  Aug 2013 - Jun 2014

  Field Engineer

  Field engineer on West Siberia fields. Working with gyroscopic inclinometer. Calibration, repairing and service the gyro tool. Wireline or drop survey. Post run calculations.

• 

  National Oilwell Varco

  Jul 2014 - Mar 2020

  Continuous optimization of drilling parameters to obtain the highest possible drilling performance. Investigation of tools failure incidents. Bits and tools run analysis to improve overall performance. Proposing new bit design and new tools to solve drilling problems. The development of new designs of drill bits and downhole tools. Participation on commission investigation of downhole tools failure and debate with customer. Working with company soft wares. Calculation hydraulics, string vibrations, drilling and fishing jar placement, Agitator placement etc. Show less

  • Service Quality Engineer

    Jun 2018 - Mar 2020

  • Drilling Solution Engineer

    Jun 2016 - May 2018

  • Momentum Associate

    Jul 2014 - May 2016
• 

  Sakhalin Energy

  Apr 2020 - now

  Qality Assurance Engineer