DE60020185D1 - Bohrmeissel - Google Patents

Bohrmeissel

Info

Publication number
DE60020185D1
DE60020185D1 DE60020185T DE60020185T DE60020185D1 DE 60020185 D1 DE60020185 D1 DE 60020185D1 DE 60020185 T DE60020185 T DE 60020185T DE 60020185 T DE60020185 T DE 60020185T DE 60020185 D1 DE60020185 D1 DE 60020185D1
Authority
DE
Germany
Prior art keywords
drill bit
drill
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 - Lifetime
Application number
DE60020185T
Other languages
English (en)
Other versions
DE60020185T2 (de
Inventor
Coy M Fielder
Rogerio H Silva
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.)
ReedHycalog LP
Original Assignee
Diamond Products 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
Application filed by Diamond Products International Inc filed Critical Diamond Products International Inc
Application granted granted Critical
Publication of DE60020185D1 publication Critical patent/DE60020185D1/de
Publication of DE60020185T2 publication Critical patent/DE60020185T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
DE60020185T 1999-03-19 2000-03-20 Bohrmeissel Expired - Lifetime DE60020185T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12511999P 1999-03-19 1999-03-19
US125119 1999-03-19

Publications (2)

Publication Number Publication Date
DE60020185D1 true DE60020185D1 (de) 2005-06-23
DE60020185T2 DE60020185T2 (de) 2006-01-12

Family

ID=22418279

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60020185T Expired - Lifetime DE60020185T2 (de) 1999-03-19 2000-03-20 Bohrmeissel

Country Status (2)

Country Link
EP (1) EP1039095B1 (de)
DE (1) DE60020185T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6269893B1 (en) 1999-06-30 2001-08-07 Smith International, Inc. Bi-centered drill bit having improved drilling stability mud hydraulics and resistance to cutter damage
GB2376489B (en) * 1999-06-30 2003-05-28 Smith International Bi-centre drill bit
US6659207B2 (en) 1999-06-30 2003-12-09 Smith International, Inc. Bi-centered drill bit having enhanced casing drill-out capability and improved directional stability
US6394200B1 (en) 1999-10-28 2002-05-28 Camco International (U.K.) Limited Drillout bi-center bit
GB0820063D0 (en) 2008-11-03 2008-12-10 Reedhycalog Uk Ltd Drilling tool
US8327957B2 (en) * 2010-06-24 2012-12-11 Baker Hughes Incorporated Downhole cutting tool having center beveled mill blade
US8851205B1 (en) 2011-04-08 2014-10-07 Hard Rock Solutions, Llc Method and apparatus for reaming well bore surfaces nearer the center of drift
US9739094B2 (en) * 2013-09-06 2017-08-22 Baker Hughes Incorporated Reamer blades exhibiting at least one of enhanced gage cutting element backrakes and exposures and reamers so equipped
CA3075388A1 (en) 2017-09-09 2019-03-14 Extreme Technologies, Llc Well bore conditioner and stabilizer
CN111465746B (zh) 2017-10-10 2022-09-06 高级技术有限责任公司 井眼铰孔系统和装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1249499A (fr) * 1959-11-19 1960-12-30 Europ De Turboforage Soc équipement pour le forage du sol
EP0058061A3 (de) * 1981-02-07 1982-09-01 DRILLING & SERVICE U.K. LIMITED Erdbohrwerkzeug
US5678644A (en) * 1995-08-15 1997-10-21 Diamond Products International, Inc. Bi-center and bit method for enhancing stability
US6164394A (en) * 1996-09-25 2000-12-26 Smith International, Inc. Drill bit with rows of cutters mounted to present a serrated cutting edge
US5765653A (en) * 1996-10-09 1998-06-16 Baker Hughes Incorporated Reaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameter

Also Published As

Publication number Publication date
DE60020185T2 (de) 2006-01-12
EP1039095A3 (de) 2001-04-11
EP1039095A2 (de) 2000-09-27
EP1039095B1 (de) 2005-05-18

Similar Documents

Publication Publication Date Title
DE50001515D1 (de) Bohr- oder schlaghammer
DE60133554D1 (de) Bohrmeissel
NO20020229D0 (no) Nedihulls verktöy
NO20024902L (no) Ekspanderbar borkrone
NO20020594L (no) Borkroneanordning
GB0031055D0 (en) Drill bit
DK0941794T3 (da) Boreværktöj
NO20020028D0 (no) Nedihulls spyleverktöy
DE50000022D1 (de) Bohrfutter
GB2352748B (en) Drill bit
GB2347701B (en) Drill bit
NO20012070D0 (no) Sammentrekkbar borkrone
DK1083294T3 (da) Boreværktöj
DE50207010D1 (de) Bohrkrone
DE10084705T1 (de) Bohrwerkzeuganordnung
DE50004713D1 (de) Bohrgerät
DK199900345U3 (da) Borebit
DE60020185D1 (de) Bohrmeissel
DE50212781D1 (de) Bohrkrone
DK1083295T3 (da) Boreværktöj
DE50202009D1 (de) Bohrkrone
DE50011494D1 (de) Bohrwerkzeug
FR2817447B1 (fr) Semoir
DE50011100D1 (de) Bohrwerkzeug
NO20031055D0 (no) Borkrone

Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: REEDHYCALOG L.P. (N.D.GES.D. STAATES DELAWARE), HO

8364 No opposition during term of opposition