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Gerasim S. Li
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ETC, Gazprom dobycha Urengoy LLC |
Novy Urengoy, Russian Federation g.s.li@gd-urengoy.gazprom.ru |
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Maria V. Koryakovceva
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ETC, Gazprom dobycha Urengoy LLC |
Novy Urengoy, Russian Federation m.v.koryakovtseva@gd-urengoy.gazprom.ru |
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Andrei I. Kopylov
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ETC, Gazprom dobycha Urengoy LLC |
Novy Urengoy, Russian Federation a.i.kopylov@gd-urengoy.gazprom.ru |
Hereby are demonstrated the results of the evaluation and benchmark study of drilling fluids influence on the ratio of a wellbore cavernosity and productive characteristics of gas condensate wells, Lower Cretaceous deposits, UNGKM after geological and technical measures for sidetracking.
Materials and methods
Caliper survey, profile logging, productive characteristics, ratio of cavernosity, geophysical methods.
Results
On the basis of the analysis conducted changes were introduced to the mixture formula of the drilling fluid ‘Polyemulsan’, which improved technological efficiency of this solution.
Сonclusions
The analysis revealed a number of characteristics of drilling fluids used during drilling of sidetracks at UNGKM.
side tracks
geophysical diagnostic studies
drilling fluids
ratio of cavernosity
wellbore productive character
