Pipe configuration compatible with CBL

Details Pipe configuration compatible with CBL Pipe configuration compatible with CBL

1985-01-25

1986-08-26

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166253, 138145, 367 35, 181105, E21B 3314, E21B 4900

Patent

active

046076980

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.

REFERENCES:
patent: 3332499 (1967-07-01), Harris et al.
patent: 3752257 (1973-08-01), Davis
patent: 3955600 (1976-05-01), Tamburello
patent: 4463807 (1984-08-01), Stoddard et al.

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