NO177360C - Drill bit - Google Patents

Drill bit

Info

Publication number
NO177360C
NO177360C NO880082A NO880082A NO177360C NO 177360 C NO177360 C NO 177360C NO 880082 A NO880082 A NO 880082A NO 880082 A NO880082 A NO 880082A NO 177360 C NO177360 C NO 177360C
Authority
NO
Norway
Prior art keywords
drill bit
drill
bit
Prior art date
Application number
NO880082A
Other languages
Norwegian (no)
Other versions
NO880082L (en
NO880082D0 (en
NO177360B (en
Inventor
Henri Cholet
Christian Bardin
Original Assignee
Inst Francais Du Petrole
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 Inst Francais Du Petrole filed Critical Inst Francais Du Petrole
Priority to NO880082A priority Critical patent/NO177360C/en
Publication of NO880082D0 publication Critical patent/NO880082D0/en
Publication of NO880082L publication Critical patent/NO880082L/en
Publication of NO177360B publication Critical patent/NO177360B/en
Publication of NO177360C publication Critical patent/NO177360C/en

Links

NO880082A 1988-01-11 1988-01-11 Drill bit NO177360C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NO880082A NO177360C (en) 1988-01-11 1988-01-11 Drill bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO880082A NO177360C (en) 1988-01-11 1988-01-11 Drill bit

Publications (4)

Publication Number Publication Date
NO880082D0 NO880082D0 (en) 1988-01-11
NO880082L NO880082L (en) 1989-07-12
NO177360B NO177360B (en) 1995-05-22
NO177360C true NO177360C (en) 1995-08-30

Family

ID=19890547

Family Applications (1)

Application Number Title Priority Date Filing Date
NO880082A NO177360C (en) 1988-01-11 1988-01-11 Drill bit

Country Status (1)

Country Link
NO (1) NO177360C (en)

Also Published As

Publication number Publication date
NO880082L (en) 1989-07-12
NO880082D0 (en) 1988-01-11
NO177360B (en) 1995-05-22

Similar Documents

Publication Publication Date Title
DE69024691D1 (en) Drill bits
NO920065L (en) drill bit
DE68911698D1 (en) Drill bits.
NO932261D0 (en) drill bit
KR900700218A (en) Twist drill
DE58905786D1 (en) DRILLING HAMMER.
GB8926837D0 (en) Drill bit
DE58905115D1 (en) ROCK DRILL.
DK227987A (en) Borehole DRILL
DE68925049T2 (en) drill
DE58903984D1 (en) DRILLING HAMMER.
NO921667L (en) drill bit
DK447689D0 (en) DRILLING TOOL
DE3891420T1 (en) SPIRAL DRILL
FR2630495B1 (en) HYDRAULIC DRILL
NO844264L (en) drill bit
DE58901108D1 (en) ROCK DRILL.
DK497789D0 (en) DRILLING DEVICES
NO914651D0 (en) drill bit
DE58907334D1 (en) Drilling tool.
FR2631077B1 (en) HYDRAULIC DRILL
GB8827879D0 (en) Drill bit
DE59207153D1 (en) Drill bits
ATA37088A (en) DRILL BIT
NO892223D0 (en) Bit.