A downhole tool and downhole system

Abstract

A downhole tool ( 1 ) for insertion into a casing ( 2 ) having a lateral ( 3 ) extending from a main casing, the ma in casing having a first diameter (D 1 ) and the lateral having a second diameter (D 2 ), the first diameter being larger than the second diameter, the downhole tool comprising a tool body having a first tool end and a second tool end and a tool width, a wire-line ( 8 ) connected with the first end of the tool body, a wireline guide device ( 9 ) arranged at least partly around the wireline, wherein the wireline is movably arranged with in the wireline guide device, and the guide device is releasably connected (activated by 25 ) with the tool body. The present invention furthermore relates to a downhole system and to a method for guiding a wireline of a downhole tool as described above.

1 . A downhole tool for insertion into a casing having a lateral extending from a main casing, the main casing having a first diameter and the lateral having a second diameter, the first diameter being larger than the second diameter, the downhole tool comprising:
 a tool body having a first tool end and a second tool end and a tool width,   a wireline connected with the first end of the tool body, and   a wireline guide device arranged at least partly around the wireline,   
       wherein the wireline is movably arranged within the wireline guide device, and the guide device is releasably connected with the tool body. 
     
     
         2 . A downhole tool according to  claim 1 , wherein the wireline guide device has a transport position and a guide position, the wireline guide device having a width which is larger than the second diameter of the lateral at least in the guide position. 
     
     
         3 . A downhole tool according to  claim 1 , wherein the wireline guide device has a first width in the transport position and a second width in the guide position, the first width being smaller than the second width. 
     
     
         4 . A downhole tool according to  claim 1 , wherein the wireline guide device comprises a first part and a second part, the first part extending in a first direction and the second part extending in a second direction, defining an angle between the parts. 
     
     
         5 . A downhole tool according to  claim 4 , wherein the first part is longer than the second part in the guide position. 
     
     
         6 . A downhole tool according to  claim 3 , wherein the wireline guide device is expandable from the first width to the second width, the second width being larger than the diameter of the lateral. 
     
     
         7 . A downhole tool according to  claim 6 , wherein the downhole tool comprises a pump for inflating the wireline guide device. 
     
     
         8 . A downhole
 tool according to  claim 1 , wherein the wireline guide device comprises a guide body part, and at least a first arm and a second arm, the first and second arms each comprising a first arm part and a second arm part, the first and second arm parts each having a first arm part end and a second arm part end, the first arm part ends of the arm parts being rotatably connected with the guide body part, and the second arm part ends of each arm part of each arm being rotatably connected with each other.   
     
     
         9 . A downhole tool according to  claim 1 , wherein the wireline guide device has an outer face, and a magnet forms part of the outer face. 
     
     
         10 . A downhole tool according to  claim 1 , wherein the wireline guide device is disconnectable from the tool body by means of a contact. 
     
     
         11 . A downhole tool according to  claim 1 , further comprising a lateral locator. 
     
     
         12 . A downhole tool according to  claim 11 , wherein the lateral locator comprises an activation means for activating the contact and/or expanding the wireline guide device. 
     
     
         13 . A downhole system comprising:
 a casing having a lateral extending from a main casing, and   a downhole tool according to  claim 1 .   
     
     
         14 . A method for guiding a wireline of a downhole tool according to  claim 1 , comprising the steps of:
 inserting the downhole tool into the casing,   locating the lateral,   positioning the wireline guide device in a transition area between the main casing and the lateral, and   guiding the wireline through the wireline guide device at the transition area for ensuring that a distance is provided between the wireline and the transition area when the downhole tool is present in the lateral.   
     
     
         15 . A method according to  claim 14 , further comprising the step of activating the wireline guide device from the first width to the second width when locating the lateral.