Spring bow, centralizer, and related methods
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United States of America Patent
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Nov 29, 1988
Grant Date -
N/A
app pub date -
May 29, 1987
filing date -
May 29, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A spring bow with a contact angle reduction member, a centralizer with such a bow, and methods for their use. The centralizer bow has a contact angle reduction member for affecting and reducing the angle of contact between the centralizer bow and the edge of an opening into which a centralizer with the bow is inserted. A spring bow with a tubular abutment member, a centralizer with such a bow and methods for their use. The centralizer bow has a tubular abutment member for affecting and increasing the bow restoring force. A spring bow with both a contact angle reduction member and a tubular abutment member, a centralizer with such a bow, and methods for their use.
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