Measuring and testing – Borehole or drilling – Downhole test
Patent
1987-02-25
1989-02-21
Orsino Jr., Joseph A.
Measuring and testing
Borehole or drilling
Downhole test
175 50, E21B 4700
Patent
active
048061530
ABSTRACT:
A method and apparatus for investigating subsurface ground of a site to obtain and store information about soil conditions by pushing into the ground a cableless unit that includes a memory storage device able to collect the information throughout the whole investigation process. After completion of the process, the memory storage device is lifted up to the surface of the ground and is connected to a data processing unit located on the ground to extract the collected information on soil conditions.
REFERENCES:
patent: 3149683 (1964-09-01), Clements et al.
patent: 3700049 (1972-10-01), Tiraspolsky et al.
patent: 3906781 (1975-09-01), Vlasblom
patent: 4033186 (1977-07-01), Bresie
patent: 4161782 (1979-07-01), McCracken
patent: 4195349 (1980-03-01), Balkanli
patent: 4332160 (1982-06-01), Baragar et al.
Muromachi Tadahiko
Sakai Katsuo
Sakai Yukio
Kisojiban Consultants Co., Ltd.
Orsino Jr. Joseph A.
Tumm Brian R.
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