VALLOUREC OIL AND GAS FRANCE

An underground storage system for storing fluid includes a hole having a bottom, a support element including at least one opening able to receive a joining element, at least one reservoir having a longitudinal axis, a bottom end and a top end, a first closure able to close the reservoir at its bottom end, and a second closure able to close the reservoir at its top end. The top end is able to be joined to the support element via the joining element such that the reservoir is hung inside the hole and such that an axial clearance able to absorb axial thermal expansion of the reservoir remains between the first closure and the bottom.

Inspection device for tubular good with ultrasonic sensors An inspection device ( 1 ) for a tubular good comprising a first body part ( 2 ), a second body part ( 4 ) rotatably mounted on the first body part, a body motor ( 5 ) arranged to rotate the second body part ( 4 ), whereas the second body part comprises at least one array of ultrasonic sensors ( 41, 51 ), the inspection device ( 1 ) further comprising scanning electronics ( 9 ) mounted on said second body part ( 4 ), said scanning electronics ( 9 ) being connected to the ultrasonic sensors ( 41, 51 ), wherein said scanning electronics ( 9 ) comprises a circuitry arranged to drive emission and reception of ultrasonic signals by ultrasonic sensors ( 41, 51 ) of said array of ultrasonic sensors and said scanning electronics being arranged to generate an A-scan, wherein scanning electronics ( 9 ) and ultrasonic sensors ( 41, 51 ) are mounted on the second body part ( 4 ) such that scanning electronics ( 9 ) and ultrasonic sensors ( 41, 51 ) are rotated at a same rotation speed when second body part ( 4 ) is rotated.

An inspection device ( 1 ) for a tubular good comprising a first body part ( 2 ) comprising odometer and profilometers, a second body part ( 4 ) rotatably mounted on the first body part, a body motor ( 5 ) arranged to rotate the second body part ( 4 ), whereas the second body part comprises at least one array of eddy current test sensors ( 7 ), and a scanning electronics ( 9 ).

This internal inspection device is for determining a length and inner diameter of a tubular good. The internal inspection device includes a first positioning sensor, a second positioning sensor spaced axially from the first positioning sensor, a displacement sensor the displacement of the internal inspection device inside the tubular good between two positions sensed by the respective positioning sensors, the internal inspection device further including a electronic arranged to computing the length of the tubular good by adding a distance measured by the displacement sensor and a predetermined length.

An oil-well metal pipe according to the present disclosure includes a resin coating on or above at least one of a pin contact surface and a box contact surface. The resin coating contains: a resin: 50.0 to 99.5 mass %, a wax: 0 to 10.0 mass %, a fluorine-based additive: 0 to 30.0 mass %, graphite: 0 to 10.0 mass %, a rust preventive pigment: 0 to 30.0 mass %, a coloring pigment: 0 to 10.0 mass %, a coupling agent: 0 to 10.0 mass %, and one type or two types selected from a group consisting of a magnesium silicate hydroxide powder: 1.5 to 50.0 mass % and TiO 2 : 0.5 to 30.0 mass %; and satisfies Formula (1). ( W+F+G )/( M+T )≤5.00  (1)

A tubular component for a tubular threaded joint, said tubular component including a main body and a threaded connection element, said threaded connection element extending axially from the main body to a free end of the tubular component, the threaded connection element having a helical thread, the tubular component including a metal portion and a composite material portion, and the metal portion forms the free end of the tubular component, the helical thread including a first threaded portion and a second threaded portion, the metal portion including the first threaded portion, the composite material portion including the second threaded portion, the composite material portion being in radial contact with the metal portion in line with the second threaded portion.

A tubular threaded element for the drilling, the operation of hydrocarbon wells, the transport of oil and gas, the transport or the storage of hydrogen, the carbon capture or the geothermal energy, including a metal body and at least one threaded end including at least one threaded portion, the threaded end including a multilayer coating on at least one portion of the surface of the threaded end wherein the multilayer coating includes a first layer including a solid coating including Zinc-Nickel electrodeposited on the at least one portion of the surface of the threaded end, a second oxalation-type conversion layer above the first layer, a third layer including a polyurethane or epoxy matrix loaded with solid lubricant particles above the second layer.

Provided is an oil-well metal pipe which has excellent galling resistance even when a plating layer is formed on or above a contact surface of only one of a pin and a box. An oil-well metal pipe ( 1 ) according to the present disclosure includes: a pin ( 40 ) including a pin contact surface ( 400 ) with an external thread part ( 41 ); and a box ( 50 ) including a box contact surface ( 500 ) with an internal thread part ( 51 ). The oil-well metal pipe ( 1 ) according to the present disclosure further includes: a zirconium oxide coating ( 100 ) formed on one of the pin contact surface ( 400 ) and the box contact surface ( 500 ); a first resin coating ( 310 ) formed on or above the zirconium oxide coating ( 100 ); a plating layer ( 200 ) formed on or above the other of the pin contact surface ( 400 ) and the box contact surface ( 500 ); and a second resin coating ( 320 ) formed on or above the plating layer ( 200 ).

An underground storage system for storing fluid includes a hole having a bottom, a support element including at least one opening able to receive a joining element, at least one reservoir having a longitudinal axis, a bottom end and a top end, a first closure able to close the reservoir at its bottom end, and a second closure able to close the reservoir at its top end. The top end is able to be joined to the support element via the joining element such that the reservoir is hung inside the hole and such that an axial clearance able to absorb axial thermal expansion of the reservoir remains between the first closure and the bottom.

An oil-well metal pipe according to the present disclosure has a high shear strength. An oil-well metal pipe according to the present disclosure includes a resin coating ( 100 ) on or above at least one of a pin contact surface ( 400 ) and a box contact surface ( 500 ). The resin coating ( 100 ) contains: a resin: 50.0 to 99.5 mass %, a wax: 0 to 10.0 mass %, a fluorine-based additive: 0 to 30.0 mass %, graphite: 0 to 10.0 mass %, a rust preventive pigment: 0 to 30.0 mass %, a coloring pigment: 0 to 10.0 mass %, a coupling agent: 0 to 10.0 mass %, and one type or two types selected from a group consisting of a magnesium silicate hydroxide powder: 1.5 to 50.0 mass % and TiO 2 : 0.5 to 30.0 mass %; and satisfies Formula (1). ( W + F + G ) / ( M + T ) ≤ 5 . 0 ⁢ 0 ( 1 )