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US 12,378,371 B2Granted
Stator compound having an azide cured elastomeric base and stators and downhole motors using the same
AssigneePV Fluid Products, Inc.
InventorsStefan Butuc, Steve Kyker, Victoria Perez, Mike Salerno
Life of this patent
Estimating the term…
Abstract
A rubber compound including an azide cured elastomeric base, wherein the rubber compound is used to form an elastomeric component of a downhole tool. The rubber compound is comprised of at least one elastomeric component and at least one diazide curing agent.
Claims33
A stator compound for a progressive cavity pump or progressive cavity motor stator comprising:
- at least one elastomeric component that has been cured with a first curing agent that is a diazide, wherein the at least one elastomeric component is selected from the group consisting of HNBR, NBR, FKM, CR, EPDM, ECO and combinations thereof, and wherein the first curing agent is 1,3 benzene disulfonyl azide (1,3 BDSA);
- at least one reinforcing filler;
- and
- a triphenyl phosphate plasticizer.
1 more element
A stator compound for a progressive cavity pump or progressive cavity motor stator comprising:
- at least one elastomeric component that has been cured with a first curing agent that is a diazide, wherein the at least one elastomeric component is selected from the group consisting of HNBR, NBR, FKM, CR, EPDM, ECO and combinations thereof;
- at least one reinforcing filler;
- a second curing agent;
- and
- a triphenyl phosphate plasticizer.
2 more elements
A stator compound for a progressive cavity pump or progressive cavity motor stator comprising:
- at least one elastomeric component that has been cured with a first curing agent that is a diazide, wherein the at least one elastomeric component is selected from the group consisting of HNBR, NBR, FKM, CR, EPDM, ECO and combinations thereof;
- at least one reinforcing filler;
- and
- a triphenyl phosphate plasticizer.
1 more element
Dependencies are inferred from the claim text.