Boring or penetrating the earth – Boring without earth removal – Fluid passage to exterior of drive point
Patent
1980-05-30
1982-01-12
Pate, III, William F.
Boring or penetrating the earth
Boring without earth removal
Fluid passage to exterior of drive point
175 59, 175322, 173 91, 7386474, E21B 4908
Patent
active
043100570
ABSTRACT:
An apparatus for extracting subterranean gas samples including an elongated stiff rod having a gas passageway from near the bottom end to near the top end, a means for driving the rod into the earth whereby the lower end is positioned below the earth's surface, a means to selectably open and close the gas passageway so that the passageway may be closed until the rod lower end is driven beneath the earth's surface after which the passageway may be opened, and means adjacent the upper end of the rod for extracting a gas sample from the passageway.
REFERENCES:
patent: 1128326 (1915-02-01), Kammerdiner
patent: 2382992 (1945-08-01), Harris
patent: 3050095 (1962-08-01), Prather
patent: 3490288 (1970-01-01), Patnode
patent: 3835710 (1974-09-01), Pagorski
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