Productive horizons will be drilling-in within the interval of 5100 – 5250 m with utilization of inverted emulsion drilling mud (IEDM) Witer II at this well. This interval will be secured with an uncemented liner with the installation of swellable packers. The density of the drilling mud is 1240 kg / m3. The required volume of OBM Witer II is provided to the customer on a lease basis.
The replacement of the wated-based mud in the well with the OBM Witer II system will be carried out after drilling out the elements of the production casing Ø178 mm.
PARAMETERS OF THE OBM WITER IІ:
- Density – 1,24 g/cm3;
- Funnel Viscosity – 35-80 s;
- Gel – 30-60/40-80 dPa;
- PV – 20-60 cP;
- YP – 50-150 dPa;
- Filter-loss – ≤3 cm3/30 min;
- Electrostability – ≥250 V.
