Cement mixing with vibrator

Details Cement mixing with vibrator Cement mixing with vibrator

1990-07-16

1991-07-09

Suchfield, George A.

Wells

Processes

Cementing, plugging or consolidating

166177, 405269, E21B 3314

Patent

active

050296450

ABSTRACT:
A casing string is cemented in a borehole of a well. The cement is prepared by introducing water and dry cement material into a mixing vessel. The water and dry cement material are mixed in the mixing vessel to form a cement slurry. The mixing is accomplished by agitating the slurry to cause the slurry to circulate within the vessel, and while agitating the slurry, transmitting vibrational energy into the slurry and thereby aiding in the wetting of the dry cement material in the slurry. This also aids in removing entrained air from the slurry. The slurry is then pumped into an annulus between the casing string and the borehole.

REFERENCES:
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patent: 1947941 (1934-02-01), Jackson
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patent: 4945986 (1990-08-01), Hardin et al.
Brochure of Minnich Manufacturing Company, Inc., Mandsfield, Ohio, entitled "Heavy-Duty Hydraulic Concrete Vibrators" (undated).
Paper of Inam Jawed, et al., entitled "Effect of Vibration on the Hydration of Portland Cement and C.sub.3 S Pastes" (undated).
Brochure of Piezo Sona-Tool Corporation of Carpinteria, Calif., entitled "Piezo Sone-Tool Test Data", 4/17/84.
Brochure entitled "Wyco Square Head Concrete Vibrators" of the Wyco Tool Company, Chicago, Ill., Catalog No. VE-1282 (undated).
Brochure No. WPV-683 entitled "Wyco Penumatic Concrete Vibrators", The Wyco Tool Company, Chicago, Ill. (undated).

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