Pipe configuration compatible with CBL
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United States of America Patent
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-
Aug 26, 1986
Grant Date -
N/A
app pub date -
Jan 25, 1985
filing date -
Jan 25, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A string of pipe is provided with intermittent coatings of grit-like materials bonded to the pipe to provide a rough surface for adhesion of cement in a cementing operation. Between the intermittent coatings are intermittent bare portions of pipe thereby to permit the use of a cement bonding tool. The spacings of the coatings is functionally related to the transmitter/receiver spacing for a cement bonding tool.
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