INFORMATION ABOUT THE WELL.
CASING POLICY:
Casing Ø473 mm – 300 m;
Casing Ø339,7 mm – 2200 m;
Casing Ø244,5 mm – 4550/4552 m;
Casing Ø177,8 mm – 5550/5752 m;
Slotted liner Ø127,0 mm – 5540/5740 - 6200/6572 m.
DRILLING FLUID TYPE:
Surface casing Ø473 mm – fresh-clay-drilling fluid;
1st Intermediate casing Ø339,7 мм – 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 – clayless drilling mud «Biocar-MT»;
Slotted liner Ø127,0 mm – clayless drilling mud «Biocar-TF».
Well drilling term – 249 days.
Bottomhole temperature – 150оС.
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 2200-4552 m - 1160 kg/m3;
Drilling fluid density within the interval of 4552-5752 m - 1250 kg/m3;
Drilling fluid density within the interval of 5752-6572 m - 1600 kg/m3.