The present invention provides a spacer (11) and a spacer segment (13). One or more spacer segments (13) form the spacer (11). The one or more spacer segments (13) are adapted to be interconnected and fitted to/on a first surface. The spacer segment (13) comprises a first collar portion (17), a second collar portion (19), and at least one support assembly (15) extending between the first collar portion and the second collar portion. The at least one support assembly is movable from a normal position, wherein no or minimal force is exerted on the support assembly, to a compressed position, wherein the support assembly supports a load or a portion of a load.

The present disclosure includes sucker rod strings, pipe protectors, and tool joints having polycrystalline diamond elements positioned thereon to interface engagement with other surfaces in downhole applications. The polycrystalline diamond elements can be positioned on sucker rod guides, sucker rod couplers, pipe protectors, and tool joints.

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 A.sub.u and characterized in that a distance A between two bottom lateral wall portions is greater than the width A.sub.u, 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.

Systems and methods for cold-spraying coatings on rotors in motor assemblies for improving reliability of motor assembly use downhole in wellbores is provided. For example, a motor assembly can include a stator positioned downhole in a wellbore and rotor coupled to the wellbore. The rotor can include a base material and a first coating deposited onto the base material via cold spraying for reducing damage to the rotor. The first coating may include sprayed particles that have a melting point temperature that is higher than a temperature of a gas used in the cold spraying. In some examples, the rotor may include a second coating deposited onto the first coating via cold spraying, high velocity oxygen fuel coating, or high velocity air fuel. The first coating may have a first hardness that is less than a second hardness of the second coating.

The present invention pertains to a multilayer tubular article, to processes for the manufacture of said multilayer tubular article and to uses of said multilayer tubular article in upstream applications for conveying hydrocarbons from a well to a floating off-shore unit via a bottom platform.

One illustrative valve disclosed herein includes a body, a first flow bore in the body that includes a fluid flow gallery, a first fluid flow port and a second fluid flow port, wherein the fluid flow gallery is in fluid communication with the first and second fluid flow ports. In this example, the valve also includes a second flow bore in the body and at least one sliding sleeve positioned in the body, wherein the at least one sliding sleeve is adapted to be moved from a first closed position to a second open position, and vice-versa, wherein, in the first closed position, fluid communication between the first flow bore and the second flow bore is blocked and wherein, in the second open position, fluid communication between the first flow bore and the second flow bore is established.

A method for configuring a logging module for logging sensors deployment based on a sensing data acquisition objective includes selecting a tool body, selecting at least one type of sensor, and selecting at least one type of roller. The method also includes incorporating the at least one selected type of sensor onto the at least one selected type of roller to provide at least one sensor roller, and mounting the at least one sensor roller into a compressible mounting assembly provided in the tool body to provide the logging module.

A centralizer for downhole OCTG having a storage space capable of housing downhole electronics and other down-hole devices, compositions and elements is disclosed. The storage space is located within an inner cavity formed in one or more of the blades making up the centralizer. A capsule is provided for protecting the contents of the items being stored within the inner cavity. The capsule may be hermetically sealed to protect the contents from the damaging effects of downhole fluids. Ports may be provided within the capsule to allow downhole electronics to be connected to sensors and other devices and components residing outside of the capsule.

A hard banding apparatus for pipes and other drilling tools. The hard banding apparatus has a floating weld box that moves in response to the shape of the item to be welded. The apparatus can include a drive roller assembly and lift mechanisms that lift and move the weld box or housing to a desired height.

A centralizer with low friction buttons comprising a plurality of collars including a first collar and a second collar; a plurality of bow springs, each bow spring having a first end and a second end; and a plurality of low friction buttons. The plurality of bow springs extend between the first and second collar such that the first and second end of each bow spring is connected to the first and second collar respectively; the plurality of low friction buttons are mounted on the bow springs such that they act as the only point of contact between the centralizer and borehole during movement of the pipe casing while getting it to the total depth during drilling operation, said buttons being of the type whose coefficient of friction is lesser than the rest of the body of the centralizer.