INFORMATION ABOUT THE WELL
CASING POLICY:
Casing Ø324 mm – 250 m;
Casing Ø245 mm – 2500 m;
Casing Ø168 mm – 3900/3985 m.
DRILLING FLUID TYPE:
Surface casing Ø324 mm – fresh-clay-drilling fluid;
Intermediate casing Ø245 mm – BRNSTF-polymer drilling mud with low level of solid phase/from the depth of 1820 m PIDM-2М - polymer inhibited drilling mud;
Production casing Ø168 мм – clayless drilling mud «Biocar-MT».
Well drilling term – 122 days.
Temperature on depth 3985 m – 90оС.
Drilling fluid density in interval 150-2500 m - 1150 kg/m3;
Drilling fluid density in interval 2500-3985 m - 1170 kg/m3.