Seal system for wellhead isolation tool diffuser

Details Seal system for wellhead isolation tool diffuser Seal system for wellhead isolation tool diffuser

E - Fixed Constructions

21

B

166/42

E21B 33/03 (2006.01) E21B 33/068 (2006.01) E21B 33/126 (2006.01)

Patent

CA 1131558

ABSTRACT OF THE DISCLOSURE A seal system for a wellhead isolation tool diffuser utilizing elastomeric cup-shaped seals installed on the exterior of the diffuser, which is inserted into the pro- duction tubing at the wellhead. After insertion of the diffuser, the production tubing is pressurized, and the seals are set against the interior of the production tub- ing by the pressure in the well, effecting a tight seal. -23-

346601

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