The turn-key project on restoration of the killed well No. 53 of Sakhalinske oil and gas condensate field was successfully completed.
Well production rate - 70 thousand cubic meters of gas per day.
THE PERFORMED WORKS:
The Ø146 mm casing pipe was brought to the depth of 3,615 m.
In order to deepen the well up to 4,400 m with horizontal displacement of 250 m, the productive pipe bottom (stop ring, return valve, drill shoe) was drilled out with a Ø121 mm flat bottom mill.
The well was drilled to the depth of 3,638 m.
The drilling of inclined side well shaft was performed from the depth of 3,638 m with Ø120.6 bits.