Centralizer
Granted 17 Nov 2015 · no office action yet
Current assignee: PNC Bank, National Association · originally ANTELOPE TOOL & MFG. CO.
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Inventors: Jesse L. Neel, Eugene Miller, Christopher M. Penry · Examiner: Susan Bennett Hattan
Life of the patent
2 dated eventsDescription
1 parts›FIG. 1 is a perspective view of a…
FIG. 1 is a perspective view of a centralizer connected to the tabs. The tabs extend inwards, toward one another, and the engaging rings are disposed axially-intermediate of the tabs.
FIG. 2 is an end view of the centralizer.
FIG. 3 is side view of the centralizer.
FIG. 4 is a perspective view of the centralizer disposed on an oilfield tubular (e.g., casing or drill pipe). A stop collar is disposed axially-intermediate of the engaging rings.
FIG. 5 is a side view of the centralizer, showing axially-extending seams thereof positioned circumferentially between the tabs.
FIG. 6 is an end view of the centralizer of FIG. 5 , showing the radial-extension of the seams.
FIG. 7 is a side view of the centralizer, showing two of the axially-extending seams extending across the tabs.
FIG. 8 is an end view of the centralizer of FIG. 7 , showing the radial-extension of the seam; and,
FIG. 9 is a side view of the centralizer, showing offset, axially-extending seams thereof. The end view of the centralizer of FIG. 9 is shown in FIG. 6 .
The broken lines in the drawings depict unclaimed environmental subject matter.
Claims
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