Fracturing head with replaceable inserts for improved wear...

Details Fracturing head with replaceable inserts for improved wear... Fracturing head with replaceable inserts for improved wear...

2007-05-08

2007-05-08

Tsay, Frank (Department: 3672)

Wells

Above ground apparatus

With means for inserting fluid into well

C166S177500

Reexamination Certificate

active

10979328

ABSTRACT:
Fracturing heads with one or more replaceable wear-resistant inserts have annular sealing elements for inhibiting fracturing fluids from circulating between the inserts and a main body of the fracturing head. Worn inserts and degraded sealing elements are easily replaced to refurbish the fracturing head without replacing or rebuilding the main body. Service life of the main body is therefore significantly prolonged. In one embodiment, an entire flow path through the main body is lined with wear-resistant replaceable inserts to further prolong the service life of the main body.

REFERENCES:
patent: 5636691 (1997-06-01), Hendrickson et al.
patent: 5787985 (1998-08-01), Oneal et al.
patent: 6176313 (2001-01-01), Coenen et al.
patent: 6491097 (2002-12-01), Oneal et al.
patent: 2430784 (2003-06-01), None

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