INFORMATION ABOUT THE WELL.
CASING POLICY:
Casing Ø473 mm – 300 m;
Casing Ø339,7 mm – 2200 m;
Casing Ø244,5 mm – 4750/4792 m;
Casing Ø177,8 mm – 5450/5492 m.
DRILLING FLUID TYPE:
Surface casing Ø473 mm – fresh-clay drilling fluid;
1st Intermediate casing Ø339,7 mm – BRNSTF-polymer drilling mud with low level of solid phase;
2nd Intermediate casing Ø244,5 mm – PIDM-2М - polymer inhibited drilling mud;
Production casing Ø177,8 mm – inverted emulsion drilling mud «Witer II».
Well drilling term – 205 days.
Bottomhole temperature (5492 m) – 133 оС.
The well will be drilled with utilization of pitless technology.
Drilling contractor PA "Belorusneft".
Drilling fluid density within the interval of 300-2200 m - 1160 kg/m3;
Drilling fluid density within the interval of 2200-4792 m - 1160 kg/m3;
Drilling fluid density within the interval of 4792-5492 m - 1300 kg/m3.
