Wells – Processes – Heating – cooling or insulating
Patent
1987-11-25
1991-06-18
Novosad, Stephen J.
Wells
Processes
Heating, cooling or insulating
166 67, 1661175, 166380, 166386, 166269, E21B 4324
Patent
active
RE0336149
ABSTRACT:
An impingement device in a side pocket mandrel or other downhole tools for injecting a predetermined quality of steam in one or more zones of a formation. The impingement device directs and mixes the laminae of hot fluid and vapor and a valve in a valve pocket controls the flow of steam to the zone from the side pocket mandrel or other downhole tools. Along with the impingement device, a centralizer to guide tools through the impingement device and to cause a pressure change and dispersion of the steam; and an agitation device to amalgamate the steam may be used if further blending is required.
REFERENCES:
patent: 129025 (1872-07-01), Harris
patent: 572848 (1896-12-01), Wheeler
patent: 3455382 (1969-07-01), Chenoweth
patent: 4295796 (1981-10-01), Moore
patent: 4462465 (1984-07-01), Strickland
Renfroe, Jr. James B.
Robison Clark E.
Schwab, Jr. Carl M.
Gay M. H.
Novosad Stephen J.
Otis Engineering Corp.
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