Cementing head

Details Cementing head Cementing head

1975-02-25

1976-07-27

Leppink, James A.

Wells

With below and above ground modification

Head for tool, piston or cleaner

166155, E21B 3305

Patent

active

039714365

ABSTRACT:
A cementing head for use in the cementing of casing in a wellbore, wherein means are provided internally of a tubular housing for normally directing drilling fluid or mud through the cementing head prior to introducing cement therethrough, and wherein cement control means are also disposed internally of the tubular housing for regulating and controlling the introduction of a first cementing plug in advance of cement, followed by a second cement plug, and with means for thereafter pumping drilling fluid or mud down to wash out the cement from the cementing head while forcing the second cementing plug down the casing above the cement.

REFERENCES:
patent: 2630179 (1953-03-01), Brown
patent: 2647582 (1953-08-01), Brown et al.
patent: 3444928 (1969-05-01), Pitts

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