Abstract: An embodiment of a subsea support system comprises a foundation including a frame and an elongate connection pile. In addition, the subsea support system comprises a template that is configured to be lowered to the sea floor separately from the foundation. The template includes one or more slots, each of the one or more slots being configured to position a subsea wellbore on the sea floor. In addition, the template includes a connection sleeve that is arranged so that when the template is landed on the foundation on the sea floor, the connection pile is received in the connection sleeve.

Abstract: A method of establishing a fluid connection in a subsea petroleum production system, the method comprising: positioning a first subsea fluid handling component (4,11-17,28) having a first connector (4a, 11a, 12a, 12b,29) adjacent a second subsea fluid handling component (4,11-17,28) having a second connector (4a, 11a, 12a, 12b,29), the first and/or second connectors (4a, 11a, 12a, 12b,29) having a breakable plug (20) sealingly arranged therein; operating an actuator to make up a connection between the first and second connectors (4a, 11a, 12a, 12b,29) while the breakable plug (20) is intact; shattering the plug (20) such as to open for fluid connection between the first and second subsea fluid handling components (4,11-17,28). There is also provided a subsea pipe (11,12,13) for arrangement on a sea floor (2) or on a subsea structure (4,14-17), having a breakable plug (20) sealingly arranged in an end connector (11a,12a, 12b) forming strengthened end parts of the pipe (11,12,13).

Abstract: An apparatus (33) for installing a wellbore beneath a body of water comprising a support structure (10, 72), a tubular (22) mounted on the support structure (10, 72), the tubular (22) having a first end (22a), a second end (22b) and an interior passage (24) which extends from the first end (22a) to the second end (22b), a tubular extension (34a-34f) releasably mounted on the support structure (72), the tubular extension (34a-34f) having a first end, a second end and an interior passage which extends from the first end to the second end, and a flexible assembly line (36) which extends from the interior passage of the tubular extension (34a-34f) to the second end thereof, into the tubular (22) at the first end (22a) thereof, and along the interior passage (24) of the tubular (22) to the second end (22b) thereof.

Abstract: This invention relates to a subsea actuator with visual position indicators and associated methods for subsea energy infrastructure, such as in the oil and gas industry. The actuator may include a housing with a window, an actuation member, and a drive mechanism that moves the actuation member between at least two positions. The invention also relates to a method that involves providing a housing with a window, connecting the actuation member to a drive mechanism, and indicating the position of the actuation member through the window. This visual inspection can be performed directly or via a camera, even in the event of a power failure, using a passive, unpowered indicator. The indication can be displayed on an ROV panel, ensuring reliable remote monitoring and operation of the subsea actuator.

Abstract: A wellhead assembly comprises a foundation having at least one well slot. The at least one well slot comprises a receptacle having an internal profile for holding a well pipe and a sleeve arranged in the receptacle. The sleeve is vertically movable and has a top end, which in a first position of the sleeve is located above the internal profile and in a second position of the sleeve is located below the internal profile. There is also provided a method of installing a wellhead assembly at a seabed.

Abstract: A wellhead system includes a wellhead assembly and a landing assembly. The wellhead assembly is secured to a top of a borehole and has an interior surface enclosing a main passage. The landing assembly incudes a tubing hanger and an orientation control assembly. The landing assembly is lowered into the main passage to land the tubing hanger in the wellhead assembly. The orientation control assembly includes an orientation engagement assembly, an actuator system which moves the orientation engagement assembly between a retracted configuration and an engaged configuration where orientation engagement assembly engages with the interior surface of the wellhead assembly, a motor, and a drive part which engages with the orientation engagement assembly and, when the orientation engagement assembly is in the engaged configuration, to be driven by the motor and to rotate the tubing hanger relative to the wellhead assembly about a longitudinal axis of the landing assembly.

Abstract: A modular manifold system for connection to a header pipe. The modular manifold system includes a central hub which has a header pipe connection, a conduit connection arrangement arranged on the central hub, and a module connection arrangement arranged on the central hub. The header pipe connection defines a flow port which permits a fluid communication between the header pipe and the central hub. The conduit connection arrangement has a conduit connected thereto and defines a flow port which permits a fluid communication between the central hub and the conduit connected to conduit connection arrangement. The module connection arrangement defines a flow port which permits a fluid communication between the central hub and a connected module.

Abstract: The invention relates to an umbilical for use between an offshore construction (10) and a seabed installation (20), comprising one or more of longitudinal umbilical elements, such as one or more filler element, one or more signal cable, one or more fiber optic, one or more electrical power cable, and/or one or more load carrying element like carbon fiber rod, the umbilical further comprises at least one fluid pipe (1a, 1b) arranged within the umbilical (1), the longitudinal umbilical elements (1a, 1b) and the at least one fluid pipe (1a, 1b) are either laid in a continuous helix, or alternatingly/oscillatory laid within the umbilical. The at least one fluid pipe (1a, 1b) is a mix of at least one seamless pipe (1a) and at least one seam-welded pipe (1b), the at least one seamless pipe (1a) and the at least one seam-welded pipe (1b) are spliced together at one or more predetermined locations in the longitudinal direction of the umbilical (1).

Abstract: A subsea foundation for installation on a sea floor. The subsea foundation includes a receptacle which receives a wellhead housing, and a conductor pipe which is arranged to extend from the receptacle and which receives a well pipe therethrough. The conductor pipe has a first section and a second section. The first section of the conductor pipe has a first end and a second end. The first section is connected to the receptacle at the first end and is pivotably connected to the second section at the second end so that the conductor pipe has a compact configuration, in which the conductor pipe comprises a bend therein, and an extended configuration, in which the conductor pipe is substantially straight.

Abstract: A method for connecting a subsea well to a subsea pipeline. The method includes providing a subsea pipeline with a connection station. The connection station has a connector for connecting a fluid conduit to the connector, and a fluid port in a fluid communication with an interior of the subsea pipeline. The method further includes drilling a borehole adjacent to the connection station, locating a wellhead support adjacent to the connection station, connecting the wellhead support to the subsea pipeline, mounting a wellhead on the wellhead support, aligning the wellhead with the borehole to establish a subsea well, mounting a connection module on the wellhead support or on the wellhead, and fluidly connecting the subsea well to the fluid port in the connection station via the connection module.