Composite material structures having reduced signal attenuation

Details Composite material structures having reduced signal attenuation Composite material structures having reduced signal attenuation

1996-10-31

1999-11-23

Neuder, William

Boring or penetrating the earth

With tool shaft detail

138109, 1662421, E21B 1702

Patent

active

059883006

ABSTRACT:
The present invention relates to composite material structures having reduced signal attenuation properties. In particular, the invention relates to composite drillstring components with electromagnetic properties and acoustic properties that enable the use of electromagnetic, acoustic and nuclear sensing equipment to obtain data from a wellbore from within a drill pipe. In a specific embodiment, a composite tube is incorporated with end-fittings which enable its incorporation into a drillstring thereby permitting the use of logging equipment from within the composite tube.

REFERENCES:
patent: 3206537 (1965-09-01), Steward
patent: 5097870 (1992-03-01), Williams
patent: 5128902 (1992-07-01), Spinnler
patent: 5233737 (1993-08-01), Policelli
patent: 5250806 (1993-10-01), Rhein-Knudsen et al.
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patent: 5339036 (1994-08-01), Clark et al.
patent: 5394149 (1995-02-01), Fujita et al.
patent: 5398975 (1995-03-01), Simmons
patent: 5443099 (1995-08-01), Chaussepied et al.
patent: 5507346 (1996-04-01), Gano et al.
"Canadian Technology To Challenge Logging Industry", Petroleum Explorer, vol. 2, Issue XII, Jun. 12, 1996, pp. 1, 4 and 6.
"Logging while tripping cuts time to run gamma ray", Oil & Gas Journal, Jun. 10, 1996, pp. 65 and 66.

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