PIPELINE WELL Russian patent published in 2009 - IPC E02D29/12 

FIELD: construction.

SUBSTANCE: metal welded well made of staked carcass and sheet lining, creating box 1, parallel necks 2 and 3, closed with hatches 4 and arranged on both sides of pipeline 5. In walls and overhead cover of box there are holes provided for pipeline 5 and necks 2, 3. Ladders 6 are fixed under hatches 4. Nozzles 7 are welded into each neck for connection of cable from outside and into walls 8, which create channels for cable installation to instruments installed in well. To organise exhaust-plenum ventilation, on hatch covers 10 there are exhaust pipes 11 installed, and covers and framing of each hatch create channels connected to cable channels. Holes for pipes in well walls are equipped with gland seals, which embrace pipeline and are fixed to wall with the possibility of stuffing sealing rings tightening inside well. Box is equipped with jacks 15 for balancing of well in horizontal plane and alignment of well holes with pipeline. Box 1 of well and parts of gland seals are arranged with socket. Body of gland seal is installed in hole for pipe with gap and is fixed to wall of well by means of tight flanged joint.

EFFECT: improved operational conditions, reduced labour intensity of construction and servicing of pipelines.

1 cl, 7 dwg