Formation Perforation
Formation perforation on the cable
Advantages:
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Ability to connect several sections together during perforation, which allows to increase the efficiency and quality of the performed operations
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Good penetrative ability with minimal impact on cement
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Use of only high quality and certified charges of both Russian and overseas manufacturers
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Elimination of well blockage possibility
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Ability to combine charges
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Wide range of available perfo-systems of variable sizes from 48 to 114 mm
Formation perforation on tubing with packer on pressure draw-down.
Empty tubing is descended into the well closed with a shut-off valve. Pressure drawdown is generated by topping calculated amount of fluid. Perforation is initiated by dropping either an initiation rod or pushing a ball.
Advantages:
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Reduced amount of time on well completion
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Effective formation perforation and well completion
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Creation of any pressure drawdowns on the formation, without increased pressure on the production string.
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Supervision of conducted operations in the well
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Hydrodynamic surveys
Auxiliary Equipment
"PRICEL" Tool
Advantages:
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Control of perforating gun movement in the well
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Reference of perforating gun to a given perforation interval based on its position relative to casing collar joints
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Registration of factual perforated interval and control of an electric circuit
Stuffing box
Cleans the geophysical cable from oil and water by compression, preventing pollution of machinery and territory. working pressure 35 Mpa.
Lubricator
Chamber for downhole equipment, length and dimensions depend on the type of equipment used.
Blowout preventer
Allows to close the well with descended geophysical equipment in emergency situations