Invention Grant
- Patent Title: Downhole pulling tool with selective anchor actuation
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Application No.: US16944741Application Date: 2020-07-31
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Publication No.: US11408241B2Publication Date: 2022-08-09
- Inventor: Jason Cullum , Knut Inge Dahlberg , Waqas Munir , Mohsen Ali , Dan Wells , Andrew Ponder , Per Daykin , Eivind Hagen
- Applicant: Jason Cullum , Knut Inge Dahlberg , Waqas Munir , Mohsen Ali , Dan Wells , Andrew Ponder , Per Daykin , Eivind Hagen
- Applicant Address: US TX League City; US TX Tomball; US TX Houston; US TX Bellaire; US TX Houston; US TX Houston; NO Soreidgrend; NO Kvernaland
- Assignee: Jason Cullum,Knut Inge Dahlberg,Waqas Munir,Mohsen Ali,Dan Wells,Andrew Ponder,Per Daykin,Eivind Hagen
- Current Assignee: Jason Cullum,Knut Inge Dahlberg,Waqas Munir,Mohsen Ali,Dan Wells,Andrew Ponder,Per Daykin,Eivind Hagen
- Current Assignee Address: US TX League City; US TX Tomball; US TX Houston; US TX Bellaire; US TX Houston; US TX Houston; NO Soreidgrend; NO Kvernaland
- Agency: Cantor Colburn LLP
- Main IPC: E21B31/16
- IPC: E21B31/16 ; E21B29/00 ; E21B23/01 ; E21B31/20

Abstract:
A single-trip cut and pull system for a wellbore including a cutter, a power section, and an anchor selectively actuable independently of the power section; a method for cutting and pulling casing in a single run including running a cut and pull system on a string to a target depth, rotating a cutter of the cut and pull system to cut a casing section, and actuating an anchor of the cut and pull system after cutting the casing section; and a method for cutting and pulling casing in a single run including running a cut and pull system on a string to a target depth, rotating a cutter of the cut and pull system by rotating the string to cut a casing section, and pulling the cut casing in the single run.
Public/Granted literature
- US20220034182A1 DOWNHOLE PULLING TOOL WITH SELECTIVE ANCHOR ACTUATION Public/Granted day:2022-02-03
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