SCOPE OF APPLICATION
- use of drilling perforators to improve the quality of perforation in difficult geological and technical conditions and to make temporary holes in casing for workover operations in wells;
- moving of drilling perforator around vertical axis by on constrain angle within the interval layer;
- using as a part of drilling core samplers to study the technical condition of long-term operated wells
FEATURES
- possibility of creation by drilling perforators a well strainer drilling-out with the given system of arrangement of perforation tunnels contributing to achievement of high hydrodynamic perfection;
- possibility of shockless creation of temporary holes in the opening plane for pumping grouting mixture into the annular space for workover operations in multi-column well structures;
- Provide casing and cement sampling at areas of eccentric position of casing in the borehole by drilling core samplers
Specifications
Diameter, mm | 80 |
Length, mm | 302 |
The number of transit ledges, pcs | 3; 7 |
Maximum operating temperature, °С | 150 |
Maximum operating pressure, MPa | 80 |
Fixed angular displacement value, gon | 90; 180; 270 |
Weight, kg | 7,0 |
Lower docking device | НК60 |
Upper docking device | НК60 |
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