E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/26 (2006.01) B23P 6/00 (2006.01) E21B 33/068 (2006.01)
Patent
CA 2601268
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.
Dallas L. Murray
Mcguire Bob
Stinger Wellhead Protection Inc.
Wood Max R.
LandOfFree
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