US 11,867,020 B2
Expandable eutectic alloy based downhole tool and methods of deploying such
Paul Carragher, Birchwood Warrington Cheshire (GB)
Assigned to BiSN Tec. Ltd., Cheshire (GB)
Appl. No. 16/764,629
Filed by BiSN Tec Ltd, Lymm (GB)
PCT Filed Nov. 16, 2018, PCT No. PCT/GB2018/053333
§ 371(c)(1), (2) Date May 15, 2020,
PCT Pub. No. WO2019/097252, PCT Pub. Date May 23, 2019.
Claims priority of application No. 1719093 (GB), filed on Nov. 17, 2017.
Prior Publication US 2020/0332620 A1, Oct. 22, 2020
Int. Cl. E21B 33/12 (2006.01); E21B 43/10 (2006.01); E21B 29/10 (2006.01); E21B 33/13 (2006.01); E21B 33/138 (2006.01); E21B 36/00 (2006.01); E21B 43/08 (2006.01)
CPC E21B 33/1212 (2013.01) [E21B 29/10 (2013.01); E21B 33/1208 (2013.01); E21B 33/13 (2013.01); E21B 33/138 (2013.01); E21B 36/00 (2013.01); E21B 36/003 (2013.01); E21B 43/08 (2013.01); E21B 43/103 (2013.01)] 20 Claims
OG exemplary drawing
 
10. An expandable eutectic alloy based downhole tool, said tool comprising:
an expanding tool;
a tubular body configured to be expanded when said expanding tool is run through the inside thereof;
one or more eutectic alloy elements provided on the outside of the tubular body, wherein each eutectic alloy element only extends partially around the circumference of the outside of the tubular body; and
an outer sleeve having insulating properties and a focused outlet for melted eutectic alloy, said focused outlet provided by openings or by weakened regions that form openings when in contact with said melted eutectic alloy.