Wells – Processes – Cleaning or unloading well
Patent
1974-03-07
1976-05-25
Purser, Ernest R.
Wells
Processes
Cleaning or unloading well
166223, 175422, 239229, 299 17, E21B 2100, E21B 3700
Patent
active
039586413
ABSTRACT:
A self-decentralized hydra-jet tool for jet treating the face of a formation penetrated by a well bore which tool includes a jet treating head assembly adapted to be lowered into a well bore and supported therein by a flexible conduit assembly communicating between the jet treating head assembly and a source of pressurized treating fluid, the jet treating head assembly including a plurality of jet nozzles therein arranged such that a force imbalance is imparted to the jet treating head assembly by the reaction forces resulting from the jet action of the nozzles thereby urging the jet treating head assembly into close proximity to the formation face being treated. Also disclosed is apparatus for releasably housing the flexible conduit assembly within the lower end of a tubing string and releasable connecting means for supporting the jet treating head assembly at the lower end of the tubing string until fluid pressure of predetermined magnitude is applied to the tubing string to release the connecting means and extend the hydra-jet tool from the lower end of the tubing string. Methods employing the tool are also disclosed.
REFERENCES:
patent: 1715767 (1929-06-01), Le Flore
patent: 1780428 (1930-11-01), Larsen
patent: 2117648 (1938-05-01), Bottorf
patent: 2179017 (1939-11-01), Pieper
patent: 2257765 (1941-10-01), Scaramucci
patent: 3020958 (1962-02-01), Kenneday
patent: 3052298 (1962-09-01), Malott
patent: 3070361 (1962-12-01), Pew
patent: 3163226 (1964-12-01), Lagucki
patent: 3279543 (1966-10-01), Yetman
patent: 3529684 (1970-09-01), Hill
Brown Bert O.
Dill Floyd E.
Burdick Bruce E.
Ebel Jack E.
Halliburton Company
Purser Ernest R.
Tregoning John H.
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