GB2353550B - Cutting element - Google Patents

Cutting element

Info

Publication number
GB2353550B
GB2353550B GB0028957A GB0028957A GB2353550B GB 2353550 B GB2353550 B GB 2353550B GB 0028957 A GB0028957 A GB 0028957A GB 0028957 A GB0028957 A GB 0028957A GB 2353550 B GB2353550 B GB 2353550B
Authority
GB
United Kingdom
Prior art keywords
cutting element
cutting
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 - Fee Related
Application number
GB0028957A
Other versions
GB0028957D0 (en
GB2353550A (en
Inventor
Graham Mensa-Wilmot
Carl W Keith
Stephen G Southland
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 US08/719,929 external-priority patent/US6164394A/en
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0028957D0 publication Critical patent/GB0028957D0/en
Publication of GB2353550A publication Critical patent/GB2353550A/en
Application granted granted Critical
Publication of GB2353550B publication Critical patent/GB2353550B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
GB0028957A 1996-09-25 1997-09-23 Cutting element Expired - Fee Related GB2353550B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/719,929 US6164394A (en) 1996-09-25 1996-09-25 Drill bit with rows of cutters mounted to present a serrated cutting edge
GB9720245A GB2317632B (en) 1996-09-25 1997-09-23 Drill bit

Publications (3)

Publication Number Publication Date
GB0028957D0 GB0028957D0 (en) 2001-01-10
GB2353550A GB2353550A (en) 2001-02-28
GB2353550B true GB2353550B (en) 2001-04-11

Family

ID=26312304

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0028957A Expired - Fee Related GB2353550B (en) 1996-09-25 1997-09-23 Cutting element
GB0028958A Expired - Fee Related GB2353551B (en) 1996-09-25 1997-09-23 Cutting structure

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0028958A Expired - Fee Related GB2353551B (en) 1996-09-25 1997-09-23 Cutting structure

Country Status (1)

Country Link
GB (2) GB2353550B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7461709B2 (en) * 2003-08-21 2008-12-09 Smith International, Inc. Multiple diameter cutting elements and bits incorporating the same
RU2559261C1 (en) * 2014-05-15 2015-08-10 Общество с ограниченной ответственностью Научно-производственное предприятие "БУРИНТЕХ" (ООО НПП "БУРИНТЕХ") Blade drill bit
WO2016142534A2 (en) * 2015-03-11 2016-09-15 Tercel Oilfield Products Belgium Sa Downhole tool and bottom hole assembly for running a string in a wellbore
CN105178868B (en) * 2015-08-07 2017-07-07 中国石油天然气股份有限公司 The method for designing of PDC drill bit, device and PDC drill bit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117241A1 (en) * 1983-02-18 1984-08-29 Strata Bit Corporation Drill bit and improved cutting element
US4705122A (en) * 1985-01-15 1987-11-10 Nl Petroleum Products Limited Cutter assemblies for rotary drill bits
GB2282166A (en) * 1993-09-20 1995-03-29 Smith International Diamond drag bit cutting elements
GB2300437A (en) * 1995-05-02 1996-11-06 Camco Drilling Group Ltd Cutting elements for rotary drill bits

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5314033A (en) * 1992-02-18 1994-05-24 Baker Hughes Incorporated Drill bit having combined positive and negative or neutral rake cutters
US5549171A (en) * 1994-08-10 1996-08-27 Smith International, Inc. Drill bit with performance-improving cutting structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0117241A1 (en) * 1983-02-18 1984-08-29 Strata Bit Corporation Drill bit and improved cutting element
US4705122A (en) * 1985-01-15 1987-11-10 Nl Petroleum Products Limited Cutter assemblies for rotary drill bits
GB2282166A (en) * 1993-09-20 1995-03-29 Smith International Diamond drag bit cutting elements
GB2300437A (en) * 1995-05-02 1996-11-06 Camco Drilling Group Ltd Cutting elements for rotary drill bits

Also Published As

Publication number Publication date
GB0028958D0 (en) 2001-01-10
GB2353551A (en) 2001-02-28
GB0028957D0 (en) 2001-01-10
GB2353550A (en) 2001-02-28
GB2353551B (en) 2001-04-18

Similar Documents

Publication Publication Date Title
IL118797A (en) Cutting insert
HUP9904524A3 (en) Cutting insert
HK1016529A1 (en) Knife
EP0790806A4 (en) Retractable-bladed knife
IL119113A0 (en) Cutting insert
IL119114A0 (en) Cutting insert
GB9623411D0 (en) Knife
HUP0004174A3 (en) Cutting device
GB9609709D0 (en) Cutting device
IL120137A0 (en) Cutting insert
GB2353550B (en) Cutting element
AU131220S (en) Cutting implement
TW401874U (en) Curve cutter
GB9419241D0 (en) Knife
GB9618980D0 (en) Cutters
GB9725233D0 (en) Cutting assembly
GB9614891D0 (en) Cutter
GB9616747D0 (en) Cutter
TW330650U (en) Drill-typed cutter
GB9904753D0 (en) Cutters
GB9623023D0 (en) Cutters
PL104561U1 (en) Knife
CA80635S (en) Knife
CA82101S (en) Knife
CA80636S (en) Knife

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20150923