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BR9104200A - TOOL CLEANING TOOL AND ITS OPERATING PROCESS - Google Patents

TOOL CLEANING TOOL AND ITS OPERATING PROCESS

Info

Publication number
BR9104200A
BR9104200A BR9104200A BR9104200A BR9104200A BR 9104200 A BR9104200 A BR 9104200A BR 9104200 A BR9104200 A BR 9104200A BR 9104200 A BR9104200 A BR 9104200A BR 9104200 A BR9104200 A BR 9104200A
Authority
BR
Brazil
Prior art keywords
tool
operating process
cleaning
cleaning tool
tool cleaning
Prior art date
Application number
BR9104200A
Other languages
Portuguese (pt)
Inventor
Clebio Fernandes De Souza
Original Assignee
Petroleo Brasileiro Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Priority to BR9104200A priority Critical patent/BR9104200A/en
Publication of BR9104200A publication Critical patent/BR9104200A/en

Links

BR9104200A 1991-09-30 1991-09-30 TOOL CLEANING TOOL AND ITS OPERATING PROCESS BR9104200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR9104200A BR9104200A (en) 1991-09-30 1991-09-30 TOOL CLEANING TOOL AND ITS OPERATING PROCESS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9104200A BR9104200A (en) 1991-09-30 1991-09-30 TOOL CLEANING TOOL AND ITS OPERATING PROCESS

Publications (1)

Publication Number Publication Date
BR9104200A true BR9104200A (en) 1993-04-20

Family

ID=4052896

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9104200A BR9104200A (en) 1991-09-30 1991-09-30 TOOL CLEANING TOOL AND ITS OPERATING PROCESS

Country Status (1)

Country Link
BR (1) BR9104200A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112160726A (en) * 2020-08-12 2021-01-01 中国二十冶集团有限公司 Soil crushing device for forward circulation slurry retaining wall cast-in-situ bored pile and using method of soil crushing device
CN113565444A (en) * 2021-09-22 2021-10-29 胜利油田东润机械工程有限责任公司 A drill pipe mud scraper

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112160726A (en) * 2020-08-12 2021-01-01 中国二十冶集团有限公司 Soil crushing device for forward circulation slurry retaining wall cast-in-situ bored pile and using method of soil crushing device
CN113565444A (en) * 2021-09-22 2021-10-29 胜利油田东润机械工程有限责任公司 A drill pipe mud scraper
CN113565444B (en) * 2021-09-22 2021-12-28 胜利油田东润机械工程有限责任公司 A drill pipe scraper

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Legal Events

Date Code Title Description
FG Letter patent granted
B22L Others referring to patents and certificate of addition of invention: offer of patent license
B22L Others referring to patents and certificate of addition of invention: offer of patent license
B22L Others referring to patents and certificate of addition of invention: offer of patent license
MS Patent suspended
B22L Others referring to patents and certificate of addition of invention: offer of patent license
B21A Extinguishment of a patent or of a certificate of addition of invention: extinguishment - article 78, item i of industrial property law

Free format text: PATENTE EXTINTA EM 30/09/2006