Well cementing method and apparatus

Details Well cementing method and apparatus Well cementing method and apparatus

1978-08-02

1979-08-21

Leppink, James A.

Wells

Processes

Cementing, plugging or consolidating

166 70, 166155, E21B 3305, E21B 3316

Patent

active

041649800

ABSTRACT:
A new and improved apparatus and method for cementing casings in wells that is particularly advantageous for use in subsea wells. The cementing plug apparatus contains the cementing plugs which are released by a predetermined manipulation of the support string for the apparatus. Inadvertent or premature release of the cementing plug is prevented by a telescoping tubular stinger member which protects the cementing plugs from circulation flow.

REFERENCES:
patent: 1490143 (1924-04-01), Taber
patent: 2253537 (1941-08-01), Scaramucci
patent: 2870842 (1959-01-01), Hall
patent: 3087551 (1963-04-01), Keruer
patent: 3364996 (1968-01-01), Brown
patent: 3635288 (1972-01-01), Lebourg
patent: 3926253 (1975-12-01), Duke
patent: 4047566 (1977-09-01), Duke

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