Invention Grant
- Patent Title: Auxiliary device for lowering a tool into a well
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Application No.: US16639304Application Date: 2018-08-14
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Publication No.: US11408238B2Publication Date: 2022-08-09
- Inventor: Jose Soares de Miranda Junior , Orman Salvador Toscano , Paulo Cesar Cardoso Ferreira , Humberto de Oliveira Reis
- Applicant: PETRÓLEO BRASILEIRO S.A.—PETROBRAS
- Applicant Address: BR Rio de Janeiro
- Assignee: PETRÓLEO BRASILEIRO S.A.—PETROBRAS
- Current Assignee: PETRÓLEO BRASILEIRO S.A.—PETROBRAS
- Current Assignee Address: BR Rio de Janeiro
- Agency: ArentFox Schiff LLP
- Priority: BR102017017383-6 20170814
- International Application: PCT/GB2018/052307 WO 20180814
- International Announcement: WO2019/034865 WO 20190221
- Main IPC: E21B23/14
- IPC: E21B23/14 ; E21B33/072 ; E21B33/076
Abstract:
The present invention relates to an auxiliary device for lowering at least one tool into a well, the auxiliary device comprising a main body configured to at least partially envelope an upper portion of the tool, wherein the main body comprises: a bottom opening configured to allow passage of the tool; and a top opening configured to block passage of the tool and allow passage of the cable supporting the tool.
Public/Granted literature
- US20210025254A1 AUXILIARY DEVICE FOR LOWERING A TOOL INTO A WELL Public/Granted day:2021-01-28
Information query
