Wells – Conduit wall or specific conduit end structure – Downhole coupling or connector
Patent
1983-06-24
1984-11-20
Novosad, Stephen J.
Wells
Conduit wall or specific conduit end structure
Downhole coupling or connector
285302, 166236, E21B 4308
Patent
active
044833962
ABSTRACT:
The gas well includes a plurality of generally tubular gas extracting means which extend from the ground surface downwardly, a lower interval of which means have longitudinally extending slots in the body wall through which gas may enter while the means lower end is closed. The slotted interval resides in the gas producing ground region. The extracting means two major parts are a lower part including the perforated interval which is of relatively larger diameter, and an upper part that extends outwardly of the ground plane and which is of smaller diameter. A transition joint interrelates the two diameter extracting means parts enabling the two parts to move longitudinally with respect to each other for accommodating ground subsidence in the gas producing region.
REFERENCES:
patent: 615767 (1898-12-01), Wade
patent: 982836 (1911-01-01), Ley et al.
patent: 1191886 (1916-07-01), Glauber
patent: 1580325 (1926-04-01), Perry
patent: 3399548 (1968-09-01), Burns
Novosad Stephen J.
Starinsky Michael
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