Sonic cementing

Details Sonic cementing Sonic cementing

1985-10-21

1987-02-03

Novosad, Stephen J.

Wells

Processes

Cementing, plugging or consolidating

166177, E21B 3314

Patent

active

046403604

ABSTRACT:
In forming a cement annulus around a well casing to provide an impervious seal around such casing, sonic energy is applied from a sonic oscillator to the casing and transmitted down the casing to the work area. To improve the coupling of sonic energy through the casing to the work area, the oscillator is coupled to the casing wall below the cement inlet by means of a clamp and link coupler so as to minimize the dissipation of sonic energy in the cement inlet. Further, the cement is fed to this inlet by means of a flexible hose coupling to isolate the inlet coupling and associated hardware from the sonic energy.

REFERENCES:
patent: 3239005 (1966-03-01), Bodine, Jr.
patent: 3557875 (1969-04-01), Solum
patent: 4512401 (1985-04-01), Bodine

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