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Subsea production cooler

A cooler and cooling water technology, applied in the direction of indirect heat exchangers, heat exchanger types, isolation devices, etc., can solve problems such as overcooling

Inactive Publication Date: 2016-02-17
SHELL INT RES MAATSCHAPPIJ BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

resulting in overcooling, which is problematic for fluids that cannot be completely blocked by hydrates through chemicals

Method used

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  • Subsea production cooler
  • Subsea production cooler
  • Subsea production cooler

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Embodiment Construction

[0017] The description that follows includes exemplary devices, methods, techniques and instruction sequences that embody the subject matter of this disclosure. However, it is understood that the described embodiments may be practiced without these specific details.

[0018] In certain embodiments, the present disclosure relates to techniques for cooling production fluids produced from subsea wells. This cooling technique may involve the use of natural convection. In certain embodiments, this cooling technique may be accomplished without the use of pumps that circulate the production fluid or cooling fluid through the subsea production cooler.

[0019] Produced fluid exiting the wellhead on the ocean floor may flow through a series of coils in the production cooler where it is cooled by cold seawater or other cooling fluid. Cold seawater or other cooling fluid can be heated by the coil, become less dense, and rise away from the coil due to natural convection. As the heated ...

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Abstract

A subsea production cooler module comprising: a core; a coiled tubing disposed around the core, wherein the coiled tubing comprises an inlet and an outlet; and a shroud at least partially encasing the core and the coiled tubing.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application No. 61 / 831,880, filed June 6, 2013, which is incorporated herein by reference. technical field [0003] The present disclosure relates generally to subsea production coolers. More specifically, in certain embodiments, the present disclosure relates to subsea production coolers using natural convection and related methods. Background technique [0004] Crude oil and other fluids produced from production wells are sometimes produced at temperatures that are too high to pass through available subsea production facilities, such as at temperatures at or above 400°F. These high temperatures can create thermal strain on machinery on the seabed, often requiring additional cooling of fluids above the waterline. Accordingly, there is a need to cool these fluids to temperatures in the range of 180°F to 300°F before they are transported along or from the seabed. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B36/00E21B43/12F28D21/00
CPCF28D7/022F28D20/00F28D7/024E21B36/001E21B47/001Y02E60/14
Inventor G·J·哈顿C·E·蕾西H·S·利特尔A·翁斯塔J·L·皮尔森S·E·斯托米罗斯基G·J·萨瓦拉
Owner SHELL INT RES MAATSCHAPPIJ BV
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