Wellhead isolation tool and method of use thereof

Details Wellhead isolation tool and method of use thereof Wellhead isolation tool and method of use thereof

E - Fixed Constructions

21

B

E21B 33/03 (2006.01) E21B 33/068 (2006.01)

Patent

CA 2055656

Wellhead Isolation Tool and Method of Use Thereof ABSTRACT OF THE DISCLOSURE Apparatus for isolating the wellhead equipment from the high pressure fluids pumped down to the producing formation during the well servicing procedures of fracturing and acidizing oil and gas wells utilizes a central mandrel for pumping the fracturing and acidizing fluids through the wellhead equipment and into well tubing or casing. The mandrel is run into the wellhead equipment while enclosed in a pressure containment protection which includes the operating cylinder. The mandrel is locked in position in the wellhead equipment and later extracted from the wellhead equipment while fully enclosed in the pressure containment. The pressure containment mandrel protection and operating cylinder are removed during the well servicing process to give a low profile to the overall wellhead array.

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