CA2534754C - Outil d'alesage - Google Patents

Outil d'alesage Download PDF

Info

Publication number
CA2534754C
CA2534754C CA002534754A CA2534754A CA2534754C CA 2534754 C CA2534754 C CA 2534754C CA 002534754 A CA002534754 A CA 002534754A CA 2534754 A CA2534754 A CA 2534754A CA 2534754 C CA2534754 C CA 2534754C
Authority
CA
Canada
Prior art keywords
wear resistant
face
resistant members
gauge
blade
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 - Lifetime
Application number
CA002534754A
Other languages
English (en)
Other versions
CA2534754A1 (fr
Inventor
Bruce Mcgarian
Richard Armell
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.)
Smith International Inc
Original Assignee
Smith International 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
Priority claimed from GB9422022A external-priority patent/GB9422022D0/en
Application filed by Smith International Inc filed Critical Smith International Inc
Priority claimed from CA002204018A external-priority patent/CA2204018C/fr
Publication of CA2534754A1 publication Critical patent/CA2534754A1/fr
Application granted granted Critical
Publication of CA2534754C publication Critical patent/CA2534754C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
CA002534754A 1994-10-31 1995-10-31 Outil d'alesage Expired - Lifetime CA2534754C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9422022A GB9422022D0 (en) 1994-10-31 1994-10-31 Two stage underreamer
GB9422022.5 1994-10-31
GBGB9505430.0A GB9505430D0 (en) 1994-10-31 1995-03-17 2-stage underreamer
GB9505430.0 1995-03-17
CA002204018A CA2204018C (fr) 1994-10-31 1995-10-31 Elargisseur a deux etages

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002204018A Division CA2204018C (fr) 1994-10-31 1995-10-31 Elargisseur a deux etages

Publications (2)

Publication Number Publication Date
CA2534754A1 CA2534754A1 (fr) 1996-05-09
CA2534754C true CA2534754C (fr) 2007-08-14

Family

ID=36242602

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002534754A Expired - Lifetime CA2534754C (fr) 1994-10-31 1995-10-31 Outil d'alesage

Country Status (1)

Country Link
CA (1) CA2534754C (fr)

Also Published As

Publication number Publication date
CA2534754A1 (fr) 1996-05-09

Similar Documents

Publication Publication Date Title
US5853054A (en) 2-Stage underreamer
US4765205A (en) Method of assembling drill bits and product assembled thereby
US4453775A (en) Cutting tool and method of manufacturing such a tool
US4657091A (en) Drill bits with cone retention means
US7762359B1 (en) Cutter assembly including rotatable cutting element and drill bit using same
US7648210B2 (en) Pick with an interlocked bolster
US4722615A (en) Drilling apparatus and cutter therefor
US4410054A (en) Well drilling tool with diamond radial/thrust bearings
CA1214159A (fr) Trepan de forage et organe de coupe perfectionne
US4323130A (en) Drill bit
US4478297A (en) Drill bit having cutting elements with heat removal cores
US8601908B2 (en) Method and apparatus for a true geometry, durable rotating drill bit
US7152701B2 (en) Cutting element structure for roller cone bit
AU2006320247B2 (en) Roof drilling system improvements
US4381825A (en) Drill bit nozzle
US7665550B2 (en) Underreamer and method of use
US8074747B2 (en) Stabilizer assemblies with bearing pad locking structures and tools incorporating same
US4442909A (en) Drill bit
GB2343905A (en) Roller cone bit
CA1174662A (fr) Alesoir a rouleaux
US8181722B2 (en) Stabilizer assemblies with bearing pad locking structures and tools incorporating same
US4878548A (en) Nozzle retention system for a drill bit
US6021856A (en) Bit retention system
CA2534754C (fr) Outil d'alesage
EP0905348B1 (fr) Lame de coupe pour élargisseur

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20151102