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Vallourec Oil And Gas France patents


Recent patent applications related to Vallourec Oil And Gas France. Vallourec Oil And Gas France is listed as an Agent/Assignee. Note: Vallourec Oil And Gas France may have other listings under different names/spellings. We're not affiliated with Vallourec Oil And Gas France, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "V" | Vallourec Oil And Gas France-related inventors


Corrosion resistant steel, method for producing said steel and its use thereof

The invention deals with a corrosion resistant steel of at least 758 mpa comprising in weight %: 0.005≤c<0.03, 14≤cr≤17, 2.3≤mo≤3.5, 3.2≤ni≤4.5, si≤0.6, 0.5≤cu≤1.5, 0.4≤mn≤1.3, 0.35≤v≤0.6, 3.2×c×nb≤0.1, w≤1.5, 0.5≤co≤1.5, 0.02≤n≤0.05, ti≤0.05, p≤0.03, s≤0.005, al≤0.05, the balance of the chemical composition of said corrosion resistant steel being constituted by fe and inevitable impurities. The invention deals also with the manufacturing method of such steel to obtain a quenched and tempered semi finished product.. ... Vallourec Oil And Gas France

Tubular component with a helical abutment

A tubular drill stem component including an end element having an axis of revolution and including a threading extending about the axis of revolution, the end element configured to be connected by makeup onto a corresponding end element of another tubular component including a complementary threading, the end element including at least one outer abutment configured to come into contact with a corresponding outer abutment of the other component at an end of makeup, and wherein the outer abutment includes at least one helical surface having an axis of the helix that coincides with the axis of revolution.. . ... Vallourec Oil And Gas France

Protector with a flexible gasket for the male or female end of a component of a threaded tubular connection

A protector for the male or female end of a threaded tubular connection for drilling or operating hydrocarbon wells, comprising a principal body, a first sealing gasket formed from a material which is less rigid than the material of the protector body and intended to make a seal with a surface of an end of the component, the principal body comprising a plurality of orifices through which the sealing gasket passes.. . ... Vallourec Oil And Gas France

Connection protector with a flexible gasket for a tubular component

A protector for a connection for a tubular component for drilling or operating hydrocarbon wells, provided with a distal end surface, the protector comprising an annular housing comprising a bottom, two lateral walls, outer and inner, separated from each other and in which an annular gasket is disposed, each lateral wall comprising a bottom lateral wall portion and an exterior lateral wall portion and an upper face, the two exterior lateral wall portions defining an opening with width au and characterized in that a distance a between two bottom lateral wall portions is greater than the width au, in a manner such as to allow a first annular gasket to be positioned then to allow said annular gasket to be retained in the annular housing.. . ... Vallourec Oil And Gas France

Threaded joint for steel pipes

A threaded joint is constructed of a pin and a box, the box having an outside diameter less than 104% of an outside diameter of a tubular body having the pin. The box includes, in order from an end of the box toward the tubular body: a lip portion and a female threaded portion, the lip portion including a shoulder surface and a sealing surface. ... Vallourec Oil And Gas France

Tubular component connection protector

A protector for a male end or a female end of a tubular drilling or production component for hydrocarbon wells, the end respectively including at least one external thread or internal thread, an annular external surface and an annular internal surface separated by the at least one thread, the protector including a first internal or external thread including at least one first threaded portion including at least one thread with pitch p1 configured to cooperate with the thread of the end to screw the protector onto the end, and a second threaded portion including at least one thread with a pitch p2 different from p1.. . ... Vallourec Oil And Gas France

Threaded joint for steel pipes

A threaded joint has a solid coating formed on a surface of a male threaded portion thereof, the solid coating having fluidity during application and being cured after the application. In a made-up state, clearances are provided between flat crests of the male threaded portion and flat roots of a female threaded portion which face each other. ... Vallourec Oil And Gas France

Threaded joint for steel pipes

A threaded joint is constructed of a pin and a box. The pin includes, in order from a tubular body having the pin toward the free end thereof: a male threaded portion and a lip portion including a sealing surface. ... Vallourec Oil And Gas France








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