Patents by Inventor Mikael Petit
Mikael Petit has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10590715Abstract: A method for producing a matrix-containing dry film on a threaded tubular component for drilling or working hydrocarbon wells, by applying a mixture containing a dispersion or an aqueous emulsion of an acrylic copolymer with a solution of an alkaline polysilicate in a liquid state onto a threaded end of the threaded tubular component by spraying at a temperature of from 20° C. to 40° C. thereby obtaining a threaded end coated with a film; drying the threaded end coated with the film; and densifying the film.Type: GrantFiled: December 20, 2012Date of Patent: March 17, 2020Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATIONInventors: Eric Gard, Mohamed Gouider, Mikael Petit, Eliette Pinel
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Patent number: 10428593Abstract: A threaded end (1; 2) of a tubular component for drilling or working hydrocarbon wells, said end comprising a threaded zone (3; 4) produced on its external or internal peripheral surface depending on whether the threaded end is male or female in type, at least a portion of the end (1; 2) being coated with a dry film comprising an organic matrix in which ion exchange pigments are dispersed in proportions in the range 3% to 30% by weight; and a connection resulting from connecting two corresponding ends by makeup.Type: GrantFiled: May 24, 2011Date of Patent: October 1, 2019Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL CORPORATIONInventors: Eric Gard, Eliette Pinel, Mikael Petit
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Patent number: 10017665Abstract: The invention concerns a process for preparing an aqueous polyamide-imide dispersion, characterized in that it comprises at least one step of selecting a polyamide-imide powder and a step of producing a dispersion comprising the polyamide-imide powder, a polar aprotic solvent with a boiling point of more than 180° C. at 760 mm Hg, and water. The invention also concerns a process for producing a dry polyamide-imide film on a substrate.Type: GrantFiled: September 11, 2013Date of Patent: July 10, 2018Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Mohamed Gouider, Eric Gard, Eliette Pinel, Mikael Petit
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Patent number: 9863190Abstract: The invention concerns an assembly for the production of a threaded connection, comprising a first and a second tubular component each with an axis of revolution (10) and each provided at one of their ends (1, 2) with a threaded zone (3; 4) produced on the outer or inner peripheral surface of the component depending on whether the threaded end is male or female in type, said ends (1, 2) being capable of cooperating by makeup and ending in a terminal surface (7, 8), at least one first contact surface being provided on one of the ends (1, 2) and at least one second contact surface being provided on the corresponding end (1, 2), such that the first and second contact surfaces come into contact during makeup of the ends (1, 2), characterized in that the first and second contact surfaces are respectively each coated with a first and a second dry thermoplastic film the matrices of which are constituted by one or more thermoplastic polymers, only one of the first and second dry thermoplastic films further comprisingType: GrantFiled: December 17, 2013Date of Patent: January 9, 2018Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Eric Gard, Mohamed Gouider, Mikael Petit
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Publication number: 20170138526Abstract: This invention provides a threaded connection for oil country tubular goods that can suppress an increase in torque when making up a pin and a box in a cold climate. A threaded connection for oil country tubular goods of the present embodiment includes a pin and a box. The pin and the box each have a contact surface that has a thread portion and an unthreaded metal contact portion. The contact surface of the pin includes a photocured coating as an uppermost layer. The photocured coating contains a photocurable resin and perfluoropolyether. The contact surface of the box includes a solid lubricating coating as an uppermost layer.Type: ApplicationFiled: June 16, 2015Publication date: May 18, 2017Applicant: NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Kunio GOTO, Mikael PETIT
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Patent number: 9644432Abstract: A threaded tubular component configured for drilling or working hydrocarbon wells, the tubular component including, at one of its ends, a threaded zone formed on its external or internal peripheral surface depending on whether the threaded end is male or female in type. The end portion is at least partially coated with a dry film, including a thermoplastic or thermoset matrix including microcapsules filled with compounds in liquid form.Type: GrantFiled: October 4, 2012Date of Patent: May 9, 2017Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Eric Gard, Eliette Pinel, Mikael Petit
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Patent number: 9599273Abstract: The invention concerns a threaded tubular component for drilling or working hydrocarbon wells, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its outer or inner peripheral surface depending on whether the threaded end is male or female in type, in which at least a portion of the end (1; 2) is coated with at least one film of polyurethane (12), 100% solid state, with an essentially rigid structure, based on a matrix of polyurethane and polyurea, in which the urethane functionality is predominant with respect to the urea functionality in a proportion of at least 55% by weight.Type: GrantFiled: December 12, 2011Date of Patent: March 21, 2017Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Eliette Pinel, Eric Gard, Mikael Petit, Mohamed Gouider
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Patent number: 9562400Abstract: The invention concerns a threaded tubular component for drilling or working hydrocarbon wells, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its outer or inner peripheral surface depending on whether the threaded end is male or female in type, characterized in that at least a portion of the end (1; 2) is coated with a lubricating dry film (12) the matrix (13) of which comprises at least one migrating sliding agent (9) belonging to the oils or waxes family and principally distributed at the surface of the lubricating dry film (12) such that the coefficient of friction of the film (12) is less than 0.07 at loads of less than 40 N while the coefficient of friction of the film (12) is more than 0.1 at loads of more than 200 N.Type: GrantFiled: October 12, 2011Date of Patent: February 7, 2017Assignees: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Eric Gard, Eliette Pinel, Mikael Petit, Mohamed Gouider
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Publication number: 20160002476Abstract: A tubular component includes at least one threaded portion for connecting the component with a complementary component, wherein at least a portion of the threaded portion is coated with a strippable film which protects against corrosion. The film can be manually strippable. The film can be applied to a lubricating layer which has already been deposited on the surface of the threaded portion. The strippable film can be used to improve maintenance of mechanical properties of the threaded portion during storage thereof.Type: ApplicationFiled: March 3, 2014Publication date: January 7, 2016Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Nicolas BREZIAT, Mikael PETIT
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Patent number: 9206376Abstract: A galling-resistant threaded tubular component for drilling or operating hydrocarbon wells and a process for coating the component. The tubular component includes at one of its ends a threaded zone produced on its external or internal peripheral surface depending on whether the threaded end is male or female in type, at least a portion of the end being coated with a dry film including a fluorourethane matrix.Type: GrantFiled: December 10, 2010Date of Patent: December 8, 2015Assignees: VALLOUREC OIL AND GAS FRANCE, SUMITOMO METAL INDUSTRIES, Ltd.Inventors: Eliette Pinel, Eric Gard, Mikael Petit, Mohamed Gouider
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Publication number: 20150315848Abstract: The invention concerns an assembly for the production of a threaded connection, comprising a first and a second tubular component each with an axis of revolution (10) and each provided at one of their ends (1, 2) with a threaded zone (3; 4) produced on the outer or inner peripheral surface of the component depending on whether the threaded end is male or female in type, said ends (1, 2) being capable of cooperating by makeup and ending in a terminal surface (7, 8), at least one first contact surface being provided on one of the ends (1, 2) and at least one second contact surface being provided on the corresponding end (1, 2), such that the first and second contact surfaces come into contact during makeup of the ends (1, 2), characterized in that the first and second contact surfaces are respectively each coated with a first and a second dry thermoplastic film the matrices of which are constituted by one or more thermoplastic polymers, only one of the first and second dry thermoplastic films further comprisingType: ApplicationFiled: December 17, 2013Publication date: November 5, 2015Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Eric GARD, Mohamed GOUIDER, Mikael PETIT
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Publication number: 20150247060Abstract: The invention concerns a process for preparing an aqueous polyamide-imide dispersion, characterized in that it comprises at least one step of selecting a polyamide-imide powder and a step of producing a dispersion comprising the polyamide-imide powder, a polar aprotic solvent with a boiling point of more than 180° C. at 760 mm Hg, and water. The invention also concerns a process for producing a dry polyamide-imide film on a substrate.Type: ApplicationFiled: September 11, 2013Publication date: September 3, 2015Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Mohamed Gouider, Eric Gard, Eliette Pinel, Mikael Petit
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Publication number: 20150240119Abstract: The invention concerns a process for producing a dry film with a high galling resistance on a threaded element for drilling and/or operating a hydrocarbon well, characterized in that it comprises at least the following steps: forming a stable dispersion comprising a polyamide-imide powder, a polar aprotic solvent with a boiling point of more than 180° C. at 760 mm Hg, and water; applying the dispersion to one of the ends (1, 2) of said threaded element at a temperature in the range 20° C. to 40° C.; drying the coated end.Type: ApplicationFiled: September 11, 2013Publication date: August 27, 2015Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Mohamed Gouider, Eric Gard, Eliette Pinel, Mikael Petit
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Publication number: 20140361530Abstract: The invention concerns a tubular element for drilling and/or working hydrocarbon wells, having an end (1; 2) comprising at least one threaded zone (3; 4), characterized in that the end (1; 2) is at least partially coated with a dry film (12) comprising a matrix (13) comprising a mixture of at least one alkaline polysilicate and at least one semi-crystalline thermoplastic organic polymer. The invention also concerns a method for producing a dry film (12) comprising a matrix (13) comprising a mixture of at least one alkaline polysilicate and at least one semi-crystalline thermoplastic organic polymer on such a tubular element for drilling and/or working hydrocarbon wells.Type: ApplicationFiled: December 20, 2012Publication date: December 11, 2014Applicants: VALLOUREC OIL AND GAS FRANCE, NIPPON STEEL & SUMITOMO METAL CORPORATIONInventors: Eric Gard, Mohamed Gouider, Mikael Petit, Eliette Pinel
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Publication number: 20140238661Abstract: A threaded tubular component configured for drilling or working hydrocarbon wells, the tubular component including, at one of its ends, a threaded zone formed on its external or internal peripheral surface depending on whether the threaded end is male or female in type. The end portion is at least partially coated with a dry film, including a thermoplastic or thermoset matrix including microcapsules filled with compounds in liquid form.Type: ApplicationFiled: October 4, 2012Publication date: August 28, 2014Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, VALLOUREC OIL AND GAS FRANCEInventors: Eric Gard, Eliette Pinel, Mikael Petit
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Publication number: 20130333790Abstract: The invention concerns a threaded tubular component for drilling or working hydrocarbon wells, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its outer or inner peripheral surface depending on whether the threaded end is male or female in type, in which at least a portion of the end (1; 2) is coated with at least one film of polyurethane (12), 100% solid state, with an essentially rigid structure, based on a matrix of polyurethane and polyurea, in which the urethane functionality is predominant with respect to the urea functionality in a proportion of at least 55% by weight.Type: ApplicationFiled: December 12, 2011Publication date: December 19, 2013Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, VALLOUREC MANNESMANN OIL & GAS FRANCEInventors: Eliette Pinel, Eric Gard, Mikael Petit, Mohamed Gouider
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Publication number: 20130320665Abstract: A threaded tubular component for drilling or working hydrocarbon wells, including at one of its ends a threaded zone produced on its outer or inner peripheral surface depending on whether the threaded end is male or female in type, in which at least a portion of the end is coated with at least one lubricating dry film including at least 65% by weight of a polyaryletherketone, and a process for depositing the film.Type: ApplicationFiled: November 2, 2011Publication date: December 5, 2013Applicants: Nippon Steel & Sumitomo Metal Corporation, VALLOUREC MANNESMANN OIL & GAS FRANCEInventors: Eric Gard, Eliette Pinel, Mikael Petit, Mohamed Gouider
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Publication number: 20130193682Abstract: The invention concerns a threaded tubular component for drilling or working hydrocarbon wells, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its outer or inner peripheral surface depending on whether the threaded end is male or female in type, characterized in that at least a portion of the end (1; 2) is coated with a lubricating dry film (12) the matrix (13) of which comprises at least one migrating sliding agent (9) belonging to the oils or waxes family and principally distributed at the surface of the lubricating dry film (12) such that the coefficient of friction of the film (12) is less than 0.07 at loads of less than 40 N while the coefficient of friction of the film (12) is more than 0.1 at loads of more than 200 N.Type: ApplicationFiled: October 12, 2011Publication date: August 1, 2013Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, VALLOUREC MANNESMANN OIL & GAS FRANCEInventors: Eric Gard, Eliette Pinel, Mikael Petit, Mohamed Gouider
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Publication number: 20130075083Abstract: A threaded end (1; 2) of a tubular component for drilling or working hydrocarbon wells, said end comprising a threaded zone (3; 4) produced on its external or internal peripheral surface depending on whether the threaded end is male or female in type, at least a portion of the end (1; 2) being coated with a dry film comprising an organic matrix in which ion exchange pigments are dispersed in proportions in the range 3% to 30% by weight; and a connection resulting from connecting two corresponding ends by makeup.Type: ApplicationFiled: May 24, 2011Publication date: March 28, 2013Applicants: NIPPON STEEL & SUMITOMO METAL CORPORATION, VALLOUREC MANNESMANN OIL & GAS FRANCEInventors: Eric Gard, Eliette Pinel, Mikael Petit
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Publication number: 20120312527Abstract: A galling-resistant threaded tubular component for drilling or operating hydrocarbon wells is described, said tubular component having at one of its ends (1; 2) a threaded zone (3; 4) produced on its external or internal peripheral surface depending on whether the threaded end is male or female in type, at least a portion of the end (1; 2) being coated with a dry film comprising a fluorourethane matrix. A process for coating said component.Type: ApplicationFiled: December 10, 2010Publication date: December 13, 2012Applicants: SUMITOMO METAL INDUSTRIES, Ltd., VALLOUREC MANNESMANN OIL & GAS FRANCEInventors: Eliette Pinel, Eric Gard, Mikael Petit, Mohamed Gouider