Published December 2020, Pg. 17-24

Section: Well drilling

UOT: 622.244

DOI: 10.37474/0365-8554/2020-12-17-24

Consideration of abnormal changes of seismo-geodynamic aspects in drilling process

H.O. Veliyev Dr. in Geol.-Min. Sc - Republican Centre of Seismic Survey

E.A. Kazimov Dr. in Tech. Sc. - "Oil-Gas Scientific Research Project" Institute

The paper deals with the study of seismo-geodynamic aspects associated with mud volcanoes, the analysis of the impact of earthquake factors outcome on construction process of oil-gas, gascondensate wells and the development of preventive measures towards reduction of risks in the drilling process in active zones.

The task set has been solved by gathering and analyzing the seismo-geodynamic factors of the fields where drilling operations are carried out.

Based on the study of seismic data of the active and dormant volcanoes the preventive measures are recommended for the optimum well drilling regime.

Dynamic and kinematic parameters of seismic waves in the rocks have been analyzed in the context of Umid, Babek, Neft Dashlary fields and the regularities in their behavior specified as well.

It was defined that the well drilling in geodynamic conditions for which complicated industry-related phenomenon is characteristic, particularly earthquakes, their epicenter is located at the depth of 10-15 km.

It is recommended in such active zones with stress-deformed state to conduct drilling operations exactly in regulated regime with minimum risks to avoid various failures and complications.

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