Composite shell for protecting an antenna of a formation evaluat

Details Composite shell for protecting an antenna of a formation evaluat Composite shell for protecting an antenna of a formation evaluat

1990-07-25

1993-05-18

Hille, Rolf

Communications: radio wave antennas

Antennas

With housing or protective covering

343719, 343873, 324338, 324342, H01Q 1420, H01Q 1400, G01V 3100, G01V 3180

Patent

active

052124959

ABSTRACT:
A fiber reinforced polymer matrix composite shell for covering the elastomeric layer surrounding the antenna of a measurement-while-drilling borehole formation evaluation tool is disclosed. The shell protects the elastomeric layer and associated antenna from wear and abrasion. If damaged during drilling, the shell may be replaced at the drillsite with minimal downtime.

REFERENCES:
patent: 4494072 (1985-01-01), Jeter et al.
patent: 4536714 (1985-08-01), Clark
patent: 4659598 (1987-04-01), Traut
patent: 4766096 (1988-08-01), Layden et al.
patent: 4785247 (1988-11-01), Meador et al.
patent: 4940943 (1990-07-01), Bartel et al.
patent: 4956393 (1990-09-01), Boyd et al.
Jask et al., Antenna Engineering Handbook, 2nd Ed., McGraw-Hill, N.Y., 1984, Chapter 44, Radomes, pp. 44-1 to 44-7.

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