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Method of producing hydrocarbons through a smart well

Inactive Publication Date: 2011-01-27
SHELL OIL CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0013]It is preferred that at or near at least one node a wireless power and/or signal transmission device is arranged which is configured to transmit wireless power and/or signals to one or more electrical devices and/or sensors arranged downhole in the well tubular and/or in the space between the tubing and the surrounding wellbore or well casing, and/or in the

Problems solved by technology

Installation, connection and protection of a fragile power and / or signal transmission cable assembly in a well is a complex and expensive operation.

Method used

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  • Method of producing hydrocarbons through a smart well
  • Method of producing hydrocarbons through a smart well
  • Method of producing hydrocarbons through a smart well

Examples

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Embodiment Construction

[0019]FIG. 1 shows a crude oil, natural gas and / or other hydrocarbon fluid production well 1, which traverses a crude oil, natural gas and / or other hydrocarbon fluid containing formation 2.

[0020]The well 1 comprises a well casing 3 which is fixed within an overburden formation 4 by a cement sheeth 5.

[0021]A production tubing 6 is suspended within the well 1 from a wellhead 7 and is sealingly secured to a lower portion of the well casing 3 by a production packer 8. The production tubing comprises a perforated lower inflow section 6A, which comprises perforations 9 and which traverses the hydrocarbon fluid containing formation 2 such that hydrocarbon fluid is induced to flow from the formation 2 through the perforations 9 into the production tubing 6 towards the wellhead 7 as illustrated by arrows 10 and 11. The perforated lower inflow section 6A of the production tubing 6 is surrounded by a gravel pack 12 to protect caving in of the formation 2.

[0022]A power and / or signal transmissio...

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Abstract

A method is disclosed for producing hydrocarbons through an instrumented smart well containing a well tubular (6,29-32) and an assembly of power, DTS and / or other sensing and / or signal transmission cables (13,40-44) comprising at least one power and / or signal transmission cable, which is bonded along at least part of its length to an outer surface of the well tubular (6,29-32) by an adhesive, which preferably is reusable and / or has a thermal conductive of at least 3 W / mK or at most 0.2 W / mK.

Description

BACKGROUND OF THE INVENTION[0001]The invention relates to a method of producing hydrocarbons through a smart well in which one or more well tubulars and an assembly of power, sensing and / or signal transmission cables is arranged.[0002]A smart well is a well in which one or more instruments, such as valves, motors, pumps and / or sensors are arranged downhole and electrical and / or hydraulic power and / or fiber optical, acoustic or other signals are transmitted between a power source or control unit at the earth surface and the downhole instruments.[0003]Installation, connection and protection of a fragile power and / or signal transmission cable assembly in a well is a complex and expensive operation.[0004]UK patent application GB 2433080 discloses a drill pipe, wherein a wire is bonded to an inner surface of the pipe, which requires a complex procedure to insert the wire to the possibly 9 meters long pipe and to firmly bond the wire to the pipe such that it is not detached during the dri...

Claims

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Application Information

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IPC IPC(8): E21B43/00
CPCE21B43/103E21B17/026
Inventor BIRCH, WILLIAMDEN BOER, JOHANNIS JOSEPHUSJOINSON, DANIEL
Owner SHELL OIL CO
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