Patent ID: 9371704
Filing Date: 2016-06-21
CPC Classification: E21B

Claim Text:
1. A device for positioning a tool in a well tubular, said device comprising: (a) a housing, wherein the tool is connected to said housing; (b) jacking arm assemblies arranged inside said housing, said jacking arm assemblies comprising jacking arms extendable from said housing for fixating said device inside said well tubular; and (c) a bellow assembly arranged on the housing comprising a portion configured to inflate to facilitate positioning said device substantially in the center of said well tubular, wherein said jacking arms are configured to move said device from a centralized position in said well tubular towards a side wall of said well tubular, whereby activation of said jacking arms pushes said device in a direction which is substantially perpendicular to a longitudinal axis of said well tubular, wherein when said jacking arms extends from said housing, said portion of said bellow is configured to simultaneously deflate, wherein said tool is configured to penetrate said well tubular and inject a fluid or fluid mixture into an annular space or formation surrounding said well tubular, said tool comprising grooves for injecting a fluid or fluid mixture into said annular space or formation, and said device comprising a fluid supply connected to said grooves such that a fluid can flow from said device and into said annular space via said grooves, while said tool extends through said well tubular.