Boring or penetrating the earth – Processes – Boring with specific fluid
Patent
1983-12-16
1985-03-19
Novosad, Stephen J.
Boring or penetrating the earth
Processes
Boring with specific fluid
175213, 175308, 1661051, 166321, F21B 2110
Patent
active
045053413
ABSTRACT:
A tool (10) is disclosed which permits retrieval of an object (201) from within a bore hole having debris (210) surrounding the object. The tool (10) includes an upper assembly (12) and a lower assembly (14). The upper assembly (12) is secured to a drill or tubing string assembly (16) extending to the surface. The lower assembly (14) mounts the wash pipe (200). The lower assembly (14) includes a debris chamber (144) and a trap valve (148) for permitting one-way flow of debris and fluid therein. In hydrostatic operation, a lower valve assembly (126) is provided for opening to expose the upper portions of the tool (10) to the bore hole pressure and drive debris and fluid through the wash pipe and into the debris chamber. This activity permits the tool and wash pipe to move downwardly in the bore hole so that the wash pipe surrounds the object. Settling debris wedges the object within the wash pipe for removal. Hydraulic operation is permitted by use of a seal, guide and swab piston assembly (102) to drive debris and fluid into the debris chamber to wedge the object within the wash pipe. A tool (300) is also disclosed for use in surging perforations (310) and holes (344) in a bore hole by using a pack-off device (302).
REFERENCES:
patent: 1968282 (1934-07-01), Cavins
patent: 2088151 (1937-07-01), Cavins
patent: 2894585 (1959-07-01), Erwin
patent: 2992680 (1961-07-01), Yates
patent: 3255820 (1966-06-01), Brandon
patent: 3406757 (1968-10-01), Baumstimler
patent: 3446283 (1969-05-01), Baumstimler
patent: 3651867 (1972-03-01), Baumstimler
patent: 4043150 (1977-08-01), Baumstimler
patent: 4142583 (1979-03-01), Brieger
patent: 4161985 (1979-07-01), Fournier et al.
patent: 4190113 (1980-02-01), Harrison
patent: 4421182 (1983-12-01), Moody et al.
Moody Arlin R.
Moody Bobby J.
Bui Thuy M.
Novosad Stephen J.
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