Structural components for oil, gas, exploration, refining and petrochemical applications

Patent metadata

Field	Value
Publication number	US-9284227-B2
Application number	US-76163110-A
Country	US
Kind code	B2
Filing date	Apr 16, 2010
Priority date	Apr 16, 2009
Publication date	Mar 15, 2016
Grant date	Mar 15, 2016

Abstract

A structural component for use in oil, gas, exploration, refining and petrochemical applications in the form of a pipe system is provided. The pipe system contains at least two pipe sections are that fusion bonded together, each pipe section comprises a plurality of layers, an inner layer in contact with the corrosive petroleum product comprising a thermoplastic material, a structural layer comprising a composite material, and an outer layer comprising a fire resistive material. In one embodiment, the pipe system meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol.

First claim

The invention claimed is:

1. A pipe system for containing corrosive petroleum products, the system comprising at least two pipe sections with each pipe section comprising:
a structural layer comprising a composite material;
a corrosion resistant layer as a inner coating layer for contacting the corrosive petroleum products, the corrosion resistant layer comprising a thermoplastic material;
a fire resistive layer having a thermal conductivity of less than 0.4 W/m° C.;
wherein the at least two pipe sections are fusion bonded together forming the pipe system.

2. The pipe system of claim 1 , wherein the fire resistive layer has a thermal conductivity ranging from 0.005 to 0.4 W/m° C.

3. The pipe system of claim 1 , wherein the pipe system meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol.

4. The pipe system of claim 3 , wherein the pipe system meets level I fire endurance standard according to IMO A 18/Res.753 fire testing protocol.

5. The pipe system of claim 1 , wherein it takes at least 90 minutes for an interior surface on the corrosion resistant layer to reach 190° C. in the IMO A 18/Res.753 fire testing protocol.

6. The pipe system of claim 1 , wherein the corrosion resistant layer comprises a thermoplastic material having a flexural modulus of less than 9,000,000 psi.

7. The pipe system of claim 1 , wherein the corrosion resistant layer comprises a thermoplastic material selected from polyvinyl chloride, polypropylene, high density polyethylene, polyvinylidene fluoride, ethylene-chlorotrifluoro-ethylene, polytetrafluoroethylene, polyphenylene sulfide, perfluoroalkoxy fluorocarbon, ionomer compositions, terionomer compositions, thermoplastic elastomeric rubbers, and combinations thereof.

8. The pipe system of claim 1 , wherein the composite comprises reinforcing fiber in a matrix material, wherein the reinforcing fiber contains a material selected from glass, carbon, ceramic material, polymeric materials, metals and metal alloys.

9. The pipe system of claim 1 , wherein the composite comprises reinforcing fiber in a matrix material, wherein the material for the matrix is selected from phenolic resins, siloxane-modified phenolic resins, vinyl ester, epoxy resins, cyanate ester, phenolic/polyester blends, silicones, phthalonitrile, furan resins, and mixtures thereof.

10. The pipe system of claim 1 , wherein the composite has a flexural modulus ranging from 75,000 to 9,000,000 psi.

11. The pipe system of claim 1 , wherein the fire resistive layer comprises calcium silicate.

12. The pipe system of claim 1 , wherein the fire resistive layer is an intumescent material comprising expandable inorganic material in a carrier material.

13. The pipe system of claim 12 , wherein the fire resistive layer comprises an intumescent material that expands less than 100% upon reaching its SET point.

14. The pipe system of claim 13 , wherein the fire resistive layer comprises an intumescent material that expands less than 50% upon reaching its SET point.

15. The pipe system of claim 1 , wherein at least one of the pipe sections further comprises an outer jacket for containing the fire resistive layer.

16. The pipe system of claim 15 , wherein the outer jacket comprises stainless steel.

17. The pipe system of claim 1 , wherein the system is for containing any of sour water, petroleum products containing H 2 S, petroleum products having a TAN of at least 0.01 mg KOH/g, petroleum products having a salt level of at least 3 lbs./bbl.

18. A pipe system for containing corrosive petroleum products, the system comprising at least two pipe sections with each pipe section comprising:
a structural layer comprising a composite material;
a corrosion resistant layer as a inner coating layer for contacting the corrosive petroleum products, the corrosion resistant layer comprising a thermoplastic material;
a fire resistive layer having a thermal conductivity of less than 0.4 W/m° C.;
wherein the at least two pipe sections are fusion bonded together forming the pipe system, and wherein the pipe system meets level II fire endurance standard according to IMO A 18/Res.753 fire testing protocol.

19. The pipe system of claim 18 , wherein the composite material has a coefficient of thermal linear expansion ranging from 0.9 to 2*10^5 in/in/° F.

20. The pipe system of claim 18 , wherein the composite material and the thermoplastic material have a flexural modulus ratio of composite to thermoplastic ranging from 1:1 to 26:1.

21. The pipe system of claim 18 , wherein the pipe system meets level I fire endurance standard according to IMO A 18/Res.753 fire testing protocol.

22. A pipe system for containing corrosive petroleum products, the system comprising at least two pipe sections with each pipe section comprising:
a structural layer having a thermal conductivity of less than 0.24 BTU-ft/hr-ft 2 -° F.;
a corrosion resistant layer as a inner coating layer for contacting the corrosive petroleum products, the corrosion resistant layer comprising a thermoplastic material;
a fire resistive layer having a thermal conductivity ranging of less than 0.4 W/m° C.;
wherein the at least two pipe sections are fusion bonded together forming the pipe system.

23. The pipe system of claim 22 , wherein the structural layer comprises a composite material, and wherein the composite material has a thermal conductivity ranging from 0.1 to 0.24 BTU-ft/hr-ft 2 -° F.

24. The pipe system of claim 22 , wherein the structural layer comprises a composite material having a flexural modulus of less than 9,000,000 psi.

25. The pipe system of claim 22 , wherein the structural layer comprises a composite material having a flexural modulus of less than 2,000,000 psi.

26. The pipe system of claim 22 , wherein the structural layer comprises a composite material having a CTLE ranging from 0.9 to 2*10^−5 in/in/° F.

Assignees

• Niccolls Edwin H
• O'Connor Andrew
• Jusinski Grzegorz Jan
• Chevron Usa Inc

Inventors

• Niccolls Edwin H
• O'Connor Andrew
• Jusinski Grzegorz Jan

Classifications

• Y10T428/1317

  Multilayer [continuous layer] · CPC title

• Y10T428/13

  Hollow or container type article [e.g., tube, vase, etc.] · CPC title

• Y10T29/49732

  by attaching repair preform, e.g., remaking, restoring, or patching · CPC title

• B32B1/08

  Tubular products · CPC title

• B32B37/00

  Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding · CPC title