Abstract: An annular barrier has a tubular part, and a downhole expandable tubular to be expanded in an annulus downhole from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole. The downhole expandable tubular has a first end section, a second end section and an intermediate section between the first end section and the second end section, the downhole expandable tubular surrounding the tubular part. Each end section of the downhole expandable tubular is connected with the tubular part and extends along a longitudinal axis, and defines an annular barrier space between the tubular part and the downhole expandable tubular. The tubular is made from one metal tubular blank of one metal material, the metal material of the end sections having a higher yield strength than the metal material of the intermediate section.

Abstract: The present invention relates to an annular barrier (1) to be expanded in an annulus (2) between a well tubular structure (3) and an inside wall (5) of a bore-hole (6) downhole for providing zone isolation between a first zone (101) and a second zone (102) of the borehole. The annular barrier comprises a tubular metal part (7) for mounting as part of the well tubular structure; an expandable sleeve (8) surrounding the tubular metal part and having an inner face (9) facing the tubular metal part and an outer face (10) facing the inside wall of the borehole, each end (12,13) of the expandable sleeve being connected with the tubular metal part; and an annular space (15) between the inner face of the expandable sleeve and the tubular metal part. The annular space comprises at least one thermally decomposable compound (16), which compound is thermally decomposable below a temperature of 400° C. and is adapted to generate gas or super-critical fluid upon decomposition.

Abstract: The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and an inside wall of a borehole downhole for providing zone isolation between a first zone and a second zone of the borehole, the annular barrier comprising a tubular metal part for mounting as part of the well tubular structure, an expandable sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing the inside wall of the borehole, each end of the expandable sleeve being connected with the tubular metal part, and an annular space between the inner face of the expandable sleeve and the tubular metal part, wherein the tubular part and the inner face of the expandable sleeve substantially hermetically enclose the annular space, the annular space comprising a compound adapted to expand the annular space, and wherein the expandable sleeve comprises two first sections abutting the ends of the expandable sleeve and a second section between

Abstract: An annular barrier to be expanded in an annulus between a well tubular structure and a wall of a borehole downhole, includes a tubular metal part for mounting as part of the well tubular structure having an outer face; an expandable sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing the wall of the borehole, each end of the expandable sleeve being connected with the tubular metal part; and an annular space between the inner face of the expandable sleeve and the tubular metal part, the annular space having a space pressure. The annular barrier has an anti-collapsing unit with an element movable at least between a first position and a second position, the anti-collapsing unit having first and second inlets and an outlet arranged to allow equalization.

Abstract: The present invention relates to a downhole wireless transfer system (1) for transferring signals and/or power, comprising a production casing (2) arranged in a borehole (3), defining an annulus (4) therebetween, the production casing having an inner face (5) and an outer face (6), a downhole tool (7) comprising a first ultrasonic transceiver (8), a second ultrasonic transceiver (9) connected to the outer face of the production casing, wherein the tool comprises a projectable means (10) configured to bring the first ultrasonic transceiver in contact with the inner face of the production casing, so that signals and/or power can be transferred through the production casing via ultrasonic waves between the first and second ultrasonic transceivers. The present invention also relates to a method for wirelessly transferring signals and/or power in a downhole wireless transfer system according to the present invention.

Abstract: The present invention relates to a downhole expandable tubular to be expanded in a well downhole from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole, the downhole expandable tubular having an axial extension, wherein the downhole expandable tubular is made of metal and is machined from one metal tubular blank, providing the downhole expandable tubular with at least one circumferential projection. Furthermore, the present invention relates to an annular barrier, to a downhole completion comprising a downhole expandable tubular according to the present invention, to a downhole completion comprising a well tubular structure and an annular barrier according to the present invention and to a manufacturing method for the manufacture of the downhole expandable tubular according to the present invention.

Abstract: The present invention relates to a downhole wireless transfer system (1) for transferring signals and/or power, comprising a production casing (2) arranged in a borehole (3), defining an annulus (4) therebetween, the production casing having an inner face (5) and an outer face (6), a downhole tool (7) comprising a first ultrasonic transceiver (8), a second ultrasonic transceiver (9) connected to the outer face of the production casing, wherein the tool comprises a projectable means (10) configured to bring the first ultrasonic transceiver in contact with the inner face of the production casing, so that signals and/or power can be transferred through the production casing via ultrasonic waves between the first and second ultrasonic transceivers. The present invention also relates to a method for wirelessly transferring signals and/or power in a downhole wireless transfer system according to the present invention.

Abstract: An annular barrier has a tubular part, and a downhole expandable tubular to be expanded in an annulus downhole from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole. The downhole expandable tubular has a first end section, a second end section and an intermediate section between the first end section and the second end section, the downhole expandable tubular surrounding the tubular part. Each end section of the downhole expandable tubular is connected with the tubular part and extends along a longitudinal axis, and defines an annular barrier space between the tubular part and the downhole expandable tubular. The tubular is made from one metal tubular blank of one metal material, the metal material of the end sections having a higher yield strength than the metal material of the intermediate section.

Abstract: The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and a wall of a borehole downhole for providing zone isolation between a first zone having a first pressure and a second zone having a second pressure of the borehole. The annular barrier comprises a tubular metal part for mounting as part of the well tubular structure, the tubular metal part having an outer face; an expandable sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing the wall of the borehole, each end of the expandable sleeve being connected with the tubular metal part; and an annular space between the inner face of the expandable sleeve and the tubular metal part, the annular space having a space pressure.

Abstract: The present invention relates to an annular barrier to be expanded in an annulus between a well tubular structure and an inside wall of a borehole downhole for providing zone isolation between a first zone and a second zone of the borehole, the annular barrier comprising a tubular metal part for mounting as part of the well tubular structure, an expandable sleeve surrounding the tubular metal part and having an inner face facing the tubular metal part and an outer face facing the inside wall of the borehole, each end of the expandable sleeve being connected with the tubular metal part, and an annular space between the inner face of the expandable sleeve and the tubular metal part, wherein the tubular part and the inner face of the expandable sleeve substantially hermetically enclose the annular space, the annular space comprising a compound adapted to expand the annular space, and wherein the expandable sleeve comprises two first sections abutting the ends of the expandable sleeve and a second section between

Abstract: The present invention relates to an annular barrier (1) to be expanded in an annulus (2) between a well tubular structure (3) and an inside wall (5) of a bore-hole (6) downhole for providing zone isolation between a first zone (101) and a second zone (102) of the borehole. The annular barrier comprises a tubular metal part (7) for mounting as part of the well tubular structure; an expandable sleeve (8) surrounding the tubular metal part and having an inner face (9) facing the tubular metal part and an outer face (10) facing the inside wall of the borehole, each end (12,13) of the expandable sleeve being connected with the tubular metal part; and an annular space (15) between the inner face of the expandable sleeve and the tubular metal part. The annular space comprises at least one thermally decomposable compound (16), which compound is thermally decomposable below a temperature of 400° C. and is adapted to generate gas or super-critical fluid upon decomposition.

Abstract: The present invention relates to a downhole expandable tubular to be expanded in a well downhole from a first outer diameter to a second outer diameter to abut against an inner face of a casing or borehole, the downhole expandable tubular having an axial extension, wherein the downhole expandable tubular is made of metal and is machined from one metal tubular blank, providing the downhole expandable tubular with at least one circumferential projection. Furthermore, the present invention relates to an annular barrier, to a downhole completion comprising a downhole expandable tubular according to the present invention, to a downhole completion comprising a well tubular structure and an annular barrier according to the present invention and to a manufacturing method for the manufacture of the downhole expandable tubular according to the present invention.

Abstract: The present invention relates to a completion component having a circumference for insertion into a well tubular structure, comprising a tubular base part having an axial extension and a thickness and being adapted to be mounted as part of the well tubular structure, and a displaceable part having a thickness and being displaceable in relation to the tubular base part from a first position to a second position, wherein the tubular base part comprises a plurality of first markers and the displaceable part comprises a second marker for determining a position of the displaceable part in relation to the tubular base part, the first and second markers being arranged with a marker distance, wherein the first markers are different in geometrical size or material, or arranged with a varying mutual distance.

Abstract: The invention is generally related to process for generating one or more molecules having the formula SixHy, SixDy, SixHyDz, and mixtures thereof, where x,y and z are integers ?1, H is hydrogen and D is deuterium, such as silane, comprising the steps of: providing a silicon containing material, wherein the silicon containing material includes at least 20 weight percent silicon atoms based on the total weight of the silicon containing material; generating a plasma capable of vaporizing a silicon atom, sputtering a silicon atom, or both using a plasma generating device; and contacting the plasma to the silicon containing material in a chamber having an atmosphere that includes at least about 0.5 mole percent hydrogen atoms and/or deuterium atoms based on the total moles of atoms in the atmosphere; so that a molecule having the formula SixHy; (e.g., silane) is generated. The process preferably includes a step of removing one or more impurities from the SixHy (e.g.

Abstract: The invention is generally related to process for generating one or more molecules having the formula SixHy, SixDy, SixHyDz, and mixtures thereof, where x,y and z are integers ?1, H is hydrogen and D is deuterium, such as silane, comprising the steps of: providing a silicon containing material, wherein the silicon containing material includes at least 20 weight percent silicon atoms based on the total weight of the silicon containing material; generating a plasma capable of vaporizing a silicon atom, sputtering a silicon atom, or both using a plasma generating device; and contacting the plasma to the silicon containing material in a chamber having an atmosphere that includes at least about 0.5 mole percent hydrogen atoms and/or deuterium atoms based on the total moles of atoms in the atmosphere; so that a molecule having the formula SixHy; (e.g., silane) is generated. The process preferably includes a step of removing one or more impurities from the SixHy (e.g.