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AssigneesOil States Industries, Inc., Pegasus International, Inc.
InventorsOran D. Tarlton, Brian L. Bauers, Bart H. Heijermans, Henry Hang-Sun Chang
Estimating the term…
A pipeline connection assembly includes a landing platform and rotary or swivel connection hub which may be attached to a pipeline branch, termination, or manifold. The landing platform is mounted so that it may be rotated about the connection hub. This permits the installation of a subsea connection on a near level platform and allows the pipeline to be laid subsea with greater roll angles than would be acceptable otherwise. Orientation of the landing porch horizontally removes the requirement to manufacture the connection jumper to compensate for the roll differences in the hubs. In the preferred construction, the elevation of the platform can be adjusted by a remotely operated vehicle (ROV) and locked into place once the adjustment is completed.
A pipeline connection assembly, which comprises:
A connection assembly for use in subsea pipeline connections, which comprises:
In a subsea pipeline system, a mid-line connection assembly which comprises:
A method for connecting a pipeline jumper to a connection assembly, the connection assembly having a connection hub and a landing platform rotatably mounted with respect to the connection hub for adjustment of inclination of the platform, the landing platform being adapted for receiving the pipeline jumper, the connection hub being mounted to an end portion of a subsea pipeline, said method comprising:
A method for connecting a pipeline jumper to a subsea connection assembly, the subsea connection assembly having a rotary or swivel connection hub and a landing platform mounted for rotation with respect to the connection hub for adjustment of inclination of the landing platform, the landing platform having at least one guidepost protruding upwardly from the landing platform, said method comprising:
Dependencies are inferred from the claim text.