CA313199A - Rig for rotary drills - Google Patents

Rig for rotary drills

Info

Publication number
CA313199A
CA313199A CA313199A CA313199DA CA313199A CA 313199 A CA313199 A CA 313199A CA 313199 A CA313199 A CA 313199A CA 313199D A CA313199D A CA 313199DA CA 313199 A CA313199 A CA 313199A
Authority
CA
Canada
Prior art keywords
rig
rotary drills
drills
rotary
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
CA313199A
Other languages
French (fr)
Inventor
J. Mitchell Wlliam
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA313199A publication Critical patent/CA313199A/en
Expired legal-status Critical Current

Links

CA313199A Rig for rotary drills Expired CA313199A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA313199T

Publications (1)

Publication Number Publication Date
CA313199A true CA313199A (en) 1931-07-14

Family

ID=35272525

Family Applications (1)

Application Number Title Priority Date Filing Date
CA313199A Expired CA313199A (en) Rig for rotary drills

Country Status (1)

Country Link
CA (1) CA313199A (en)

Similar Documents

Publication Publication Date Title
CA313199A (en) Rig for rotary drills
CA311730A (en) Rotary drill bit
CA312452A (en) Rock drill
CA316125A (en) Centralizer for drill steels
CA332008A (en) Rotary boring bit
CA311013A (en) Drill
CA312287A (en) Drill
CA317876A (en) Drill
CA317100A (en) Boring machine
CA315894A (en) Earth boring drill
CA315893A (en) Earth boring drill
CA362382A (en) Rotary drill rig
CA311341A (en) Well drilling apparatus
CA316716A (en) Roller cutter boring drill
CA311916A (en) Drill chuck
CA316216A (en) Bit machine
AU298631A (en) Valve for rock drills
CA336890A (en) Rock drill bit
CA309335A (en) Earth boring apparatus
CA297626A (en) Rotating mechanism for rock drills
CA310449A (en) Drilling apparatus
CA336733A (en) Drill bit
CA335781A (en) Drill bit
CA317188A (en) Well drilling equipment
CA358649A (en) Rotary drilling bit