AU2591471A - Large diameter earth boring bit - Google Patents

Large diameter earth boring bit

Info

Publication number
AU2591471A
AU2591471A AU25914/71A AU2591471A AU2591471A AU 2591471 A AU2591471 A AU 2591471A AU 25914/71 A AU25914/71 A AU 25914/71A AU 2591471 A AU2591471 A AU 2591471A AU 2591471 A AU2591471 A AU 2591471A
Authority
AU
Australia
Prior art keywords
large diameter
earth boring
boring bit
diameter earth
bit
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
AU25914/71A
Other versions
AU460210B2 (en
Inventor
Lumpkin Talbert Milton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
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 Dresser Industries Inc filed Critical Dresser Industries Inc
Application granted granted Critical
Publication of AU460210B2 publication Critical patent/AU460210B2/en
Publication of AU2591471A publication Critical patent/AU2591471A/en
Expired legal-status Critical Current

Links

AU25914/71A 1970-03-09 1971-02-26 Large diameter earth boring bit Expired AU460210B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
USUS17663 1970-03-09

Publications (2)

Publication Number Publication Date
AU460210B2 AU460210B2 (en) 1972-08-31
AU2591471A true AU2591471A (en) 1972-08-31

Family

ID=

Similar Documents

Publication Publication Date Title
CA949060A (en) Drill bit construction
CA955239A (en) Anti-tracking earth boring drill
CA894661A (en) Earth borehole tool
CA946823A (en) Rock drill
CA956932A (en) Large diameter earth boring bit
CA946825A (en) Drill bit
CA931137A (en) Large diameter earth boring bit
CA950266A (en) Rock drills
AU463698B2 (en) Big hole drilling bit
AU460210B2 (en) Large diameter earth boring bit
AU2591471A (en) Large diameter earth boring bit
CA868781A (en) Rock drilling bit
CA803877A (en) Rock drill bit assembly
AU466941B2 (en) Drill bit construction
CA853062A (en) Percussive well drill bit
AU469730B1 (en) Drilling bit
AU469533B2 (en) Drill bit
CA835224A (en) Drill bit
CA839582A (en) Drill bit
CA923114A (en) Drill bit
AU2959271A (en) Drill bit construction
CA831765A (en) Down-the-hole rock drills
AU2959171A (en) Drill bit
CA831764A (en) Rock drill
AU460156B2 (en) Rock drill