CPC E21B 33/14 (2013.01) | 5 Claims |
1. A method for cementing an annulus of a casing string, wherein a portion of the annulus is void of cement and a portion of the casing string has perforations in fluid communication with the portion of the annulus, the method comprising:
inserting an upper stinger bottom end of an upper stinger into a retainer aperture of a cement retainer, wherein a unidirectional flow valve is located within the retainer aperture;
running a tubing string, attached to an upper stinger top end of the upper stinger, into the casing string;
setting the cement retainer within the casing string above the portion of the annulus that is void of cement;
pumping cement through the tubing string, the upper stinger, the casing string, and the perforations into the portion of the annulus that is void of the cement;
disengaging the upper stinger from the cement retainer; and
reverse circulating the cement out of the tubing string through the upper stinger.
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