GEOSYNTHESIS ENGINEERING

Development and service of drilling fluid

INFORMATION ABOUT THE WELL.

CASING POLICY:
Casing Ø508 mm – 330 m;
Casing Ø340 mm – 3100 m; 
Casing Ø245 mm – 4700 m; 
Casing Ø178 mm – 5650 m;
Liner Ø127 mm – 6100 m.

DRILLING FLUID TYPE: 
Surface casing Ø508 mm – fresh-clay-drilling fluid;
1st Intermediate casing Ø340 мм – BRNVTF-polymer drilling mud with low level of solid phase; 
2nd Intermediate casing Ø245 mm – PIDM-2М - polymer inhibited drilling mud;
Production casing Ø178 mm  – PIDM-2М - polymer inhibited drilling mud;
Liner Ø127 mm  – polymer potassium chloride drilling mud.


Well drilling term – 133 days.
Bottomhole temperature – 150 оС.
Drilling contractor is Xinjiang Beiken Energy Engineering co.

Drilling fluid density within the interval of 330-3100 m – 1140-1240 kg/m3;
Drilling fluid density within the interval of 3100-4700 m – 1160 kg/m3;
Drilling fluid density within the interval of 4700-5650 m – 1470 kg/m3;
Drilling fluid density within the interval of 5650-6100 m – 1560 kg/m3.