GEOSYNTHESIS ENGINEERING

Development and service of drilling fluid

INFORMATION ABOUT THE WELL

CASING POLICY:
Casing Ø473 mm – 300 m;
Casing Ø339,7 mm – 2200 m; 
Casing Ø244,5 mm – 4750/4864 m; 
Casing Ø177,8 mm – 5470/5584 m;
Slotted-liner Ø127,0 mm – 5420/5534 - 5600/5714 m.

DRILLING FLUID TYPE: 
Casing Ø473 mm – fresh-clay drilling fluid;; 
Casing Ø339,7 mm – BRNSTF-polymer drilling mud with low level of solid phase; 
Casing Ø244,5 mm – polymer-inhibited drilling mud PIDM-2M;
Casing  Ø177,8 mm – clay-less drilling mud «Biocar-МТ»;
Slotted-liner Ø127,0 mm – invert emulsion drilling fluid «Witer II».


Well drilling term – 210 days.
Temperature on the depth 5600 m – 137 оС.

Density of drilling mud in interval 2200-4864 m - 1160 kg/m3;
Density of drilling mud in interval 4864-5584 m - 1180 kg/m3;
Density of drilling mud in interval 5584-5714 m - 1120 kg/m3.

 

 


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