GAS WELL CONNECTIONS Russian patent published in 2006 - IPC E21B43/00 E21B33/00 F17D1/04 

FIELD: gas production industry, particularly service pipelines adapted to connect wellhead equipment with manifold for gas and gas condensate collection, to supply methanol into wellhead fittings and to connect cementing unit.

SUBSTANCE: well connections made in accordance with the first embodiment comprise seventeen units and include T-joints, adapters, branches, connection pipes, pipes, flanges, manifolds, gate valves, valves and check valves. All above components constituting the units are connected one to another in different way. In accordance with the second embodiment some above components are substituted for other ones. In accordance with the last embodiment the well connections comprise methanol distribution unit and may isolate well fluid from common manifold after production tree shutting-off.

EFFECT: decreased time of well connections assemblage in field conditions, increased operational safety and possibility to supply methanol into production tree annuity and into production tree.

2 cl, 26 dwg