Boring or penetrating the earth – Tool actuation by reaction of rotating eccentric mass
Patent
1984-04-13
1985-10-22
Suchfield, George A.
Boring or penetrating the earth
Tool actuation by reaction of rotating eccentric mass
166249, 175 56, 175 67, 175323, 175395, 299 17, E21B 718, E21B 720, E21B 724
Patent
active
045482810
ABSTRACT:
A well casing to be installed in the ground is resonantly driven at a sonic frequency by means of an orbiting mass oscillator. A wedging probe member is optionally attached to the end of the casing and is driven by the vibratory energy to facilitate the penetration of the earthen material ahead of the casing. A closure wall is fitted to the bottom of the casing, this closure wall having jet nozzles formed therein. While the casing member and probe member are being vibratorily driven by the sonic energy, pulsating jets of water are emitted through the jet nozzles to aid in the cutting of the earthen formation along with the sonic vibratory energy, the sonic energy markedly enhancing the hydraulic jet action by virtue of the pulsating force it imposes on the hydraulic jets.
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patent: 4389071 (1983-06-01), Johnson, Jr. et al.
Sokolski Edward A.
Suchfield George A.
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