Wellbore devices and methods

Abstract

A wellbore device and method for use in downhole operations are provided. The device may comprise a deployment member packaged in a first configuration arranged to be deployed from said first configuration upon deployment of the wellbore device within a wellbore. In some examples, a tool is also provided. The first disposable member may be made of a degradable material, and optionally may be a fibre optic for providing sensing and/or data communication. The tool may be a smart tool.

1 .- 33 . (canceled) 
     
     
         34 . A deployable device for deployment in a wellbore, the deployable device comprising:
 a deployable member comprising a fibre optic, the member being stored in a first configuration prior to deployment, and arranged to deploy to a second configuration during deployment, and wherein the deployable member is configured to permit distributed sensing using the deployed fibre optic when in the second configuration.   
     
     
         35 . The deployable device of  claim 34 , wherein the first configuration is a wound configuration, and wherein at least some of the deployable member is stored in the first configuration in a particular manner so as to impart or assist with linear deployment of fibre optic in the second configuration. 
     
     
         36 . The deployable device accordingly to  claim 34 , wherein the device is configured such that, when deployed to a second configuration, the deployable member provides one or more coiled portions of fibre optic in the wellbore. 
     
     
         37 . The deployable device according to  claim 36 , wherein the device is configured such that the coiled portions of fibre optical are provided at one or more sections along the length of the deployable member. 
     
     
         38 . The deployable device according to  claim 36 , wherein at least one of:
 (i) the deployable member is stored in the first configuration in a particular manner so as provide the coiled portion(s) of fibre optic when deployed in the second configuration, and   (ii) the device is configured to retain some of the deployable member with the device, when in the second configuration, in order to provide the coiled portion of fibre optic.   
     
     
         39 . The deployable device according to  claim 34 , wherein deployable member is stored in the first configuration as a winding such that the deployable member pays out from an inner surface of the winding, when deployed. 
     
     
         40 . The deployable device according to  claim 34 , wherein the device is configured to permit controlled deployment of the device in a wellbore. 
     
     
         41 . The deployable device according to  claim 40 , wherein the deployable member comprises two or more different coating characteristics, configured to provide controlled deployment of the device in a wellbore. 
     
     
         42 . The deployable device according to  claim 34 , wherein the deployable member is configured to permit distributed acoustic sensing using the deployed fibre optic when in the second configuration. 
     
     
         43 . The deployable device according to  claim 34 , further comprising a tool for deployment in the wellbore. 
     
     
         44 . The deployable device according to  claim 43 , wherein at least one of:
 (i) the tool comprises a drift; and   (ii) the tool comprises a drift having one or more sensors configured to measure well conditions, and wherein the sensors are configured to communicate sensed conditions using the fibre optic of the deployable member.   
     
     
         45 . The deployable device according to  claim 34 , wherein the device is configured to be deployed in the wellbore in a non-permanent manner. 
     
     
         46 . The deployable device according to  claim 34 , wherein the device is configured to be disposable in the wellbore. 
     
     
         47 . The deployable device according to  claim 34 , wherein some or all of the deployable member comprises a reinforcing and/or protective coating surrounding the fibre optic. 
     
     
         48 . The deployable member according to  claim 47 , wherein the coating comprising Kevlar. 
     
     
         49 . A distributed sensing arrangement comprising a deployable device according to  claim 34 , and a fibre optic module for provide distributed sensing, wherein the fibre optic module is in operative communication with the fibre optic of the deployable member. 
     
     
         50 . A method for deploying a fibre optic in a wellbore, comprising:
 storing a deployable member comprise a fibre optic in a first configuration with a deployable device, and   deploying the deployable device to a second configuration in the wellbore so as to deploy the deployable member and fibre optic and to permit subsequent distributed sensing using the deployed fibre optic.   
     
     
         51 . The method according to  claim 50 , wherein the method comprises storing a deployable member comprise a fibre optic in a first configuration in a particular manner so as to impart or assist with linear deployment of fibre optic in the second configuration. 
     
     
         52 . The method according to  claim 50 , wherein the method comprises deploying the deployable member so as to provide one or more coiled portions of fibre optic in the wellbore. 
     
     
         53 . The method according to  claim 50  comprising at least one of:
 (i) performing distributed sensing using the deployed fibre optic; and 
 (ii) performing distributed acoustic sensing using the deployed fibre optic. 
 
     
     
         54 . The method according to  claim 53  comprising disposing of the fibre optic in the wellbore subsequent to performing distributed sensing.