Christopher W Fowler

US Patent:

7842139, Nov 30, 2010

Filed:

Jun 30, 2006

Appl. No.:

11/479680

Inventors:

John R. Peterson - Ashburn VA, US
Narasimha-Rao V. Bangaru - Pittstown NJ, US
Robert Lee Antram - Warrenton VA, US
Christopher John Fowler - Houston TX, US
Neeraj S. Thirumalai - Phillipsburg NJ, US
ChangMin Chun - Belle Mead NJ, US
Emery B. Lendvai-Lintner - Vienna VA, US

Assignee:

ExxonMobil Research and Engineering Company - Annandale NJ

International Classification:

C23C 30/00

US Classification:

148279, 148281, 148519

Abstract:

The present invention is directed to a method for protecting metal surfaces in oil & gas exploration and production, refinery and petrochemical process applications subject to solid particulate erosion at temperatures of up to 1000 C. The method includes the step of providing the metal surfaces in such applications with a hot erosion resistant cermet lining or insert, wherein the cermet lining or insert includes a) about 30 to about 95 vol % of a ceramic phase, and b) a metal binder phase, wherein the cermet lining or insert has a HEAT erosion resistance index of at least 5. 0 and a Kfracture toughness of at least 7. 0 MPa-m. The metal surfaces may also be provided with a hot erosion resistant cermet coating having a HEAT erosion resistance index of at least 5. Advantages provided by the method include, inter alia, outstanding high temperature erosion and corrosion resistance in combination with outstanding fracture toughness, as well as outstanding thermal expansion compatibility to the base metal of process units. The method finds particular application for protecting process vessels, transfer lines and process piping, heat exchangers, cyclones, slide valve gates and guides, feed nozzles, aeration nozzles, thermo wells, valve bodies, internal risers, deflection shields, sand screen, and oil sand mining equipment.

US Patent:

8317940, Nov 27, 2012

Filed:

Oct 26, 2010

Appl. No.:

12/912577

Inventors:

John Roger Peterson - Ashburn VA, US
Narasimha-Rao Venkata Bangaru - Pittstown NJ, US
Robert Lee Antram - Warrenton VA, US
Christopher John Fowler - Houston TX, US
Neeraj Srinivas Thirumalai - Phillipsburg NJ, US
ChangMin Chun - Belle Mead NJ, US
Emery Bela Lendvai-Lintner - Vienna VA, US

Assignee:

ExxonMobil Research and Engineering Company - Annandale NJ

International Classification:

C23C 8/30
C23C 8/04

US Classification:

148279, 148206, 148218, 148281, 148284, 148516, 148527

Abstract:

The present invention is directed to a method for protecting metal surfaces in oil & gas exploration and production, refinery and petrochemical process applications subject to solid particulate erosion at temperatures of up to 1000 C. The method includes the step of providing the metal surfaces in such applications with a hot erosion resistant cermet lining or insert, wherein the cermet lining or insert includes a) about 30 to about 95 vol % of a ceramic phase, and b) a metal binder phase, wherein the cermet lining or insert has a HEAT erosion resistance index of at least 5. 0 and a Kfracture toughness of at least 7. 0 MPa-m. The metal surfaces may also be provided with a hot erosion resistant cermet coating having a HEAT erosion resistance index of at least 5.

US Patent:

8323423, Dec 4, 2012

Filed:

Oct 26, 2010

Appl. No.:

12/912505

Inventors:

John Roger Peterson - Ashburn VA, US
Narasimha-Rao Venkata Bangaru - Pittstown NJ, US
Robert Lee Antram - Warrenton VA, US
Christopher John Fowler - Houston TX, US
Neeraj Srinivas Thirumalai - Phillipsburg NJ, US
ChangMin Chun - Belle Mead NJ, US
Emery Bela Lendvai-Lintner - Vienna VA, US

Assignee:

ExxonMobil Research and Engineering Company - Annandale NJ

International Classification:

C23C 8/30
C23C 8/04

US Classification:

148279, 148206, 148218, 148281, 148284, 148516, 148527

Abstract:

The present invention is directed to a method for protecting metal surfaces in oil & gas exploration and production, refinery and petrochemical process applications subject to solid particulate erosion at temperatures of up to 1000 C. The method includes the step of providing the metal surfaces in such applications with a hot erosion resistant cermet lining or insert, wherein the cermet lining or insert includes a) about 30 to about 95 vol % of a ceramic phase, and b) a metal binder phase, wherein the cermet lining or insert has a HEAT erosion resistance index of at least 5. 0 and a Kfracture toughness of at least 7. 0 MPa-m. The metal surfaces may also be provided with a hot erosion resistant cermet coating having a HEAT erosion resistance index of at least 5.

US Patent:

8361244, Jan 29, 2013

Filed:

Oct 26, 2010

Appl. No.:

12/912622

Inventors:

John Roger Peterson - Ashburn VA, US
Robert Lee Antram - Warrenton VA, US
Christopher John Fowler - Houston TX, US
Neeraj Srinivas Thirumalai - Phillipsburg NJ, US
ChangMin Chun - Belle Mead NJ, US
Emery Bela Lendvai-Lintner - Vienna VA, US

Assignee:

ExxonMobil Researach and Engineering Company - Annandale NJ

International Classification:

C23C 8/30
C23C 8/04

US Classification:

148279, 148281, 148284, 148206, 148218, 148516, 148527

Abstract:

The present invention is directed to a method for protecting metal surfaces in oil & gas exploration and production, refinery and petrochemical process applications subject to solid particulate erosion at temperatures of up to 1000 C. The method includes the step of providing the metal surfaces in such applications with a hot erosion resistant cermet lining or insert, wherein the cermet lining or insert includes a) about 30 to about 95 vol % of a ceramic phase, and b) a metal binder phase, wherein the cermet lining or insert has a HEAT erosion resistance index of at least 5. 0 and a Kfracture toughness of at least 7. 0 MPa-m. The metal surfaces may also be provided with a hot erosion resistant cermet coating having a HEAT erosion resistance index of at least 5.