RO95794B1 - Sapa de foraj - Google Patents

Sapa de foraj

Info

Publication number
RO95794B1
RO95794B1 RO124022A RO12402286A RO95794B1 RO 95794 B1 RO95794 B1 RO 95794B1 RO 124022 A RO124022 A RO 124022A RO 12402286 A RO12402286 A RO 12402286A RO 95794 B1 RO95794 B1 RO 95794B1
Authority
RO
Romania
Prior art keywords
drill bit
blades
pivot
fixed
central
Prior art date
Application number
RO124022A
Other languages
English (en)
Romanian (ro)
Other versions
RO95794A2 (fr
Inventor
Atanase Niculescu
Alexandru Radulescu
Dumitru Ene
Gabriel Grigorescu
Original Assignee
îNTREPRINDEREA "1 MAI"
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 îNTREPRINDEREA "1 MAI" filed Critical îNTREPRINDEREA "1 MAI"
Priority to RO124022A priority Critical patent/RO95794B1/ro
Publication of RO95794A2 publication Critical patent/RO95794A2/fr
Publication of RO95794B1 publication Critical patent/RO95794B1/ro

Links

Landscapes

  • Earth Drilling (AREA)
RO124022A 1986-07-05 1986-07-05 Sapa de foraj RO95794B1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RO124022A RO95794B1 (ro) 1986-07-05 1986-07-05 Sapa de foraj

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RO124022A RO95794B1 (ro) 1986-07-05 1986-07-05 Sapa de foraj

Publications (2)

Publication Number Publication Date
RO95794A2 RO95794A2 (fr) 1988-10-30
RO95794B1 true RO95794B1 (ro) 1988-10-31

Family

ID=20119609

Family Applications (1)

Application Number Title Priority Date Filing Date
RO124022A RO95794B1 (ro) 1986-07-05 1986-07-05 Sapa de foraj

Country Status (1)

Country Link
RO (1) RO95794B1 (fr)

Also Published As

Publication number Publication date
RO95794A2 (fr) 1988-10-30

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