Tool for testing earth formations in boreholes

Details Tool for testing earth formations in boreholes Tool for testing earth formations in boreholes

1979-05-25

1981-06-02

Myracle, Jerry W.

Measuring and testing

Borehole or drilling

Downhole test

E21B 4900

Patent

active

042703859

ABSTRACT:
A tool for testing earth formations which is divided into upper and lower pivotable sections to alleviate the problem of becoming differentially stuck. A unique pivot structure incorporating sample chamber seal valve assembly, is provided.

REFERENCES:
patent: 2951537 (1960-09-01), Desbrandes
patent: 4056004 (1977-11-01), Roesner

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