FIELD: oil industry.
SUBSTANCE: invention relates to oil industry. In particular, there is provided a method for sealing the mouth of a directional well, comprising: descending and cementing the surface casing string annulus, installation of the zero nipple onto the surface casing coupler, installation of an adjustable support on the prepared platform and installation of the equipment in the following assembly: crossings with latches, a hydraulic ram-type blowout preventer, a preventer coil, a slide gate valve; a transient coil; a guy cable with a lanyard, a ram preventer hand wheel and a hydraulic station to control the hydraulic preventer.
EFFECT: technical result is to improve the reliability of the well mouth sealing.
2 cl, 2 dwg
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SU1661356A1 |
