Gas riser apparatus and method

Details Gas riser apparatus and method Gas riser apparatus and method

1976-10-22

1978-04-25

Shedd, Wayne L.

Pipe joints or couplings

With casing, lining or protector

285138, F16L 2100

Patent

active

040859509

ABSTRACT:
A gas riser apparatus and method for conducting gas from a source of supply to a delivery point such as a meter or the like. The gas riser apparatus is defined by a double walled conduit including an inner tubular member and an outer tubular member. Sealing structure is provided at the double walled conduit for the purpose of sealing the riser apparatus. The method of the invention is directed to method steps for conducting gas from a source of supply below ground level to a delivery point above ground level.

REFERENCES:
patent: 3922008 (1975-11-01), Stiner et al.
patent: 3944262 (1976-03-01), Stiner et al.
patent: 4005880 (1977-02-01), Anderson et al.

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