Measuring while drilling

Details Measuring while drilling Measuring while drilling

1982-07-16

1984-10-02

Suchfield, George A.

Boring or penetrating the earth

With seismic shock generating

175 45, 175 45, 175 50, E21B 47024, E21B 4904

Patent

active

044742509

ABSTRACT:
A method of measuring lithology, and other underground conditions, while drilling bores into the earth employing the repetitive firing of projectiles to fracture rock and penetrate the earth and detecting the high intensity acoustic signals being produced as the drill progressively penetrates.

REFERENCES:
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patent: 3828867 (1974-08-01), Elwood
patent: 3979140 (1976-09-01), Silverman et al.
patent: 3979724 (1976-09-01), Silverman et al.
patent: 4004642 (1977-01-01), Dardick
patent: 4026382 (1977-05-01), Field et al.
patent: 4038631 (1977-07-01), Murphy

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