Abstract: The present invention relates to an annular barrier (1) to be expanded in an annulus between a well tubular structure and an inside wall of a borehole downhole, comprising a tubular part (6) for mounting as part of the well tubular structure, said tubular part having a longitudinal axis, an expandable sleeve surrounding the tubular part and having an outer face, each end of the expandable sleeve being fastened to the tubular part by means of a connection part (12), an annual barrier space (13) between the tubular part and the expandable sleeve, an aperture in the tubular part or the connection part for letting fluid into the space in order to expand the sleeve, and a self-actuated device (14) arranged in the aperture having an open and a closed position. Furthermore the invention relates to a downhole system comprising a plurality of annular barriers according to the invention.

Abstract: The present invention relates to an annular barrier (1) to be expanded in an annulus (2) between a well tubular structure and an inside wall (4) of a borehole (5) downhole, comprising a tubular part for mounting as part of the well tubular structure, said tubular part (6) having a longitudinal axis; an expandable sleeve (7) surrounding the tubular part and having an outer face (8), each end (9, 10) of the expandable sleeve being fastened to the tubular part by means of a connection part (12), where one of the connection parts is a sliding connection part sliding in relation to the tubular part when the expandable sleeve is expanded; an annular barrier space (13) between the tubular part and the expandable sleeve; an aperture (11) in the tubular part for letting fluid into the annular barrier space to expand the sleeve; and an activatable shut-off valve (14) having an open and a closed position and arranged in the aperture, wherein the annular barrier further comprises a detection device (20) for detecting whe

Abstract: The present invention relates to an annular barrier system (1) for proving a testable annular barrier arranged between a first metal casing (2) or borehole and a second metal casing (3), the second metal casing having an outer face. The annular barrier system comprises a first annular barrier (4) and a second annular barrier (5), each barrier comprising a tubular part (6) made of metal extending in a longitudinal direction for mounting as part of the second metal casing, an expandable metal sleeve (7) surrounding and connected with the tubular part and defining an annular barrier space (13), and a first fluid passage (11) in the tubular part for letting fluid into the annular barrier space to expand the sleeve.

Abstract: The present invention relates to an annular barrier system (100) connected with a well head (40) via a well tubular structure (3), comprising a first annular barrier (1) and a second annular barrier (21) to be expanded in an annulus (2) between the well tubular structure and an inside wall (4) of a casing (20) or a borehole (5) downhole for providing zone isolation between a first zone (8) and a second zone (9), each annular barrier comprising a tubular part (6) extending in a longitudinal direction for mounting as part of the well tubular structure, an expandable sleeve (7) surrounding the tubular part and defining a space (13), an opening (11) for letting fluid into the space to expand the sleeve, and a first connection part (15) and a second connection part (16) connecting the expandable sleeve with the tubular part, and wherein the first connection part is arranged nearest to the well head, the system further comprising a flow line (17) fluidly connecting the well head with the opening for supplying fluid

Abstract: The present invention relates to an annular barrier system for expanding an annular barrier in an annulus between a well tubular structure and an inside wall of a borehole downhole. The annular barrier system comprises an annular barrier having a tubular part for mounting as part of the well tubular structure, the annular barrier further comprising an expandable sleeve surrounding the tubular part, at least one end of the expandable sleeve being fastened in a fastening means of a connection part in the tubular part. The annular barrier system also comprises a tool for expanding the expandable sleeve by letting a pressurised fluid through a passage in the tubular part into a space between the expandable sleeve and the tubular part.

Abstract: The present invention relates to an annular barrier for providing zone isolation between a first zone and a second zone in a borehole or a casing downhole, the annular barrier comprising a tubular part and an expandable element made of metal surrounding the tubular part, and the annular barrier having a circumference, a longitudinal extension and an outer face and further comprising an annular seal comprising a sealing material, the sealing material extending around the outer face of the annular barrier and having a bundle of strands wherein at least one strand comprises graphite and/or carbon.

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 for providing zone isolation between a first zone and a second zone of the borehole, comprising a tubular part for mounting as part of the well tubular structure and having an expansion opening, an expandable sleeve surrounding the tubular part, each end of the expandable sleeve being connected with the tubular part, and an annular barrier space between the tubular part and the expandable sleeve, wherein the annular barrier further comprises a pressure intensifying means having an inlet in a first end in fluid communication with the expansion opening and having an outlet in a second end in fluid communication with the annular barrier space.

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, comprising a tubular part for mounting as part of the well tubular structure, the tubular part having a longitudinal axis, an expandable sleeve surrounding the tubular part and defining a space being in fluid communication with an inside of the tubular part, each end of the expandable sleeve being connected with the tubular part, and an aperture for letting fluid into the space to expand the expandable sleeve, wherein the barrier further comprises a compensation device arranged in the space between the expandable sleeve and the tubular part, the compensation device having a chamber in which a piston is arranged dividing the chamber in a first and a second chamber part, the first chamber part being in fluid communication with the space and the second chamber part comprising

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, comprising a tubular part for mounting as part of the well tubular structure, said tubular part having a longitudinal axis, an expandable sleeve surrounding the tubular part and having an outer face, each end of the expandable sleeve being fastened by means of a connection part to the tubular part, and an aperture in the expandable sleeve or the connection part, wherein a first connection and a second connection are fastened on the outer face of the expandable sleeve, and a safety sleeve having an opening is fastened to the expandable sleeve by means of the first and the second connections, the safety sleeve and the expandable sleeve defining a space being in fluid communication with the annulus.

Abstract: The present invention relates to a completion assembly for running into a borehole in a formation through a well head or blowout preventer, comprising a casing string having a first end and a second end, and a drill pipe having a first end and a second end and extending through the well head or the blowout preventer and being releasably connected at the first end with the casing string. Furthermore, the invention relates to a completion method for completing a casing string. Moreover, the invention relates to a completion kit for making a completion assembly according to the present invention.

Abstract: The present invention relates to a downhole punch for insertion into a wall of a casing. The downhole punch comprises a body having a first end and a second end and a through-bore forming an inner face of the body and an outer face of the body, wherein the first end comprises at least one cutting edge at least forming a leading tip or a leading edge for punching an opening in the casing, and a component is arranged in the through-bore. The present invention also relates to a downhole valve for insertion into a wall of a casing. The downhole valve comprises a housing having a first end and a second end and an inner face and an outer face. Furthermore, the invention relates to a downhole tool for inserting a downhole valve into a wall of a casing, to a downhole system comprising the downhole tool as well as to a downhole method for insertion of a downhole unit into a casing downhole.

Abstract: The present invention relates to an annular barrier for being expanded in an annulus between a well tubular structure and an inside wall of a borehole downhole. The annular barrier comprises a tubular part for mounting as part of the well tubular structure; an expandable sleeve made of a first metal, surrounding the tubular part and defining a space being in fluid communication with an inside of the tubular part, the expandable sleeve having a longitudinal extension, an inner face facing the tubular part and two ends; a connection part made of a second metal, connecting the expandable sleeve with the tubular part; an opening for letting fluid into the space to expand the sleeve, and a transition area comprising a connection of the sleeve with the connection part.

Abstract: The present invention relates to an expansion device to be inserted in a casing or well tubular structure for expanding an annular barrier downhole. The annular barrier comprises a tubular structure for mounting as part of the well tubular structure, an expandable sleeve surrounding the tubular structure, and a connection part connecting the expandable sleeve with the tubular structure. The tubular structure has an opening and two projecting elements decreasing an inner diameter of the tubular structure. The expansion device comprises a tubular part extending between a first and a second end part, the tubular part comprising at least one opening arranged between the first and the second end; an inner face surrounding an inner space; and an outer face. Furthermore, the expansion device comprises at least a first and second sealing element sealingly connected to the outer face of the tubular part.

Abstract: The present invention relates to a fracturing system for fracturing a formation surrounding a well tubular structure, comprising a tubular part to be mounted as a part of the well tubular structure, the tubular part being made of metal, an expandable sleeve made of metal, the sleeve having a wall thickness and surrounding the tubular part, a fastening means for connecting the sleeve with the tubular part, and an aperture in the tubular part or the fastening means. Furthermore, the invention relates to a fracturing method for fracturing a formation surrounding a well tubular structure.

Abstract: Subsea well intervention module (100) for performing well intervention operations in a well (101) through a well head (120) from a surface vessel (102), comprising a supporting structure (110), a pipe assembly (170) fastened to the supporting structure and having two opposite ends, an inner diameter and a cavity (182) in which an intervention tool (171) may be arranged for pressurising the cavity (182) when connected to the well head or a blowout preventer arranged on top of the well head to wellbore pressure before at least one valve (121) of a well head is opened and the tool is submerged into the well, a connection member connected with a first end (202) of the pipe assembly for providing a connection to the well head, a wireless intervention tool (171) having an outer diameter and comprising an electrical power device (196). The connection member has an open first end connectable with the well head or blowout preventer and a through-bore providing fluid passage from the first end to the cavity.

Abstract: The present invention relates to a downhole tubular assembly for sealing an opening in a well tubular structure in a borehole downhole, comprising a first tubular part made of metal having an inner face, an inner diameter, an outer diameter and a first length in an unexpanded state, and a second tubular part having an outer face, an outer diameter and a second length, being arranged inside the first tubular part in an unexpanded state. Furthermore, the invention relates to a downhole system for sealing an opening in a well tubular structure in a borehole. Moreover, the invention relates to a method of sealing an opening in a well tubular structure in a borehole downhole and to a manufacturing method for manufacturing a downhole tubular assembly.

Abstract: The present invention relates to a downhole inflow control system for controlling an inflow of fluid into a casing from outside the casing, such as from a reservoir or an intermediate casing. The downhole inflow control system comprises a casing having an axial extension and a wall having a wall thickness (t), an inflow control valve having a housing, an axial extension in an axial direction along the housing, and a spring element moving in relation to the housing, thereby controlling the inflow of fluid through the valve from an inlet of the housing to an outlet of the housing.

Abstract: A downhole expandable liner hanger apparatus for extending the length of an existing tubular such as a casing or liner string is described. The apparatus comprises a tubular portion and a securing and/or sealing means for securing the tubular portion to the existing tubular such as a casing string to thereby extend the length of the existing tubular and preferably simultaneously provide a sealed coupling between the tubular portion and the existing tubular. A first part or a length of the tubular portion preferably comprises a first sidewall thickness and a second part or length of the tubular portion is located adjacent the first part, where the second part comprises a second sidewall thickness, said first sidewall thickness being less than the second sidewall thickness.

Abstract: The present invention relates to a downhole artificial lifting system for introducing fluid into a production casing from an annulus arranged outside the production casing. The production casing has an axial extension and a casing wall with a wall thickness, and the system comprises the production casing which at a first part is surrounded by an intermediate casing creating the annulus which is downwardly closed, and a fluid delivering means pumping fluid into the annulus. The invention also relates to a tool for use in the system and a method.

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. The annular barrier comprises a tubular part for mounting as part of the well tubular structure, an expandable sleeve surrounding the tubular part and having an inner face facing the tubular part, each end of the expandable sleeve being connected with a connection part which is connected with the tubular part, a space between the inner face of the sleeve and the tubular part, and an element arranged in connection with the sleeve, the element having a first part and a second part both of which extend around the inner face, the first part of the element being fastened to the inner face.