Wells – Guide for device or conduit – On sucker or pump rod
Patent
1989-10-20
1991-01-15
Kisliuk, Bruce M.
Wells
Guide for device or conduit
On sucker or pump rod
166173, 166222, 175325, 175323, E21B 1710, E21B 1716
Patent
active
049846337
ABSTRACT:
Nozzle-effect well apparatuses including nozzle-effect protectors, centralizers and stabilizers and related methods, the apparatuses having two or more blades or ribs extending outwardly from a body, the blades or ribs spaced apart further at one end of the apparatus than the other; in one embodiment, the wall thickness of the apparatus varying so that one end is thicker than the other or a portion or portions between the ends are thicker or thinner in wall thickness than other portions; in another embodiment, portions of valley areas between ribs or blades varying in size to create nozzle effects.
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Langer Friedrich H.
Woodward Michael J.
Kisliuk Bruce M.
McClung Guy
Weatherford U.S. Inc.
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