IT7924061A0 - Maggiore flusso trasversale con trivellazione a due getti. - Google Patents

Maggiore flusso trasversale con trivellazione a due getti.

Info

Publication number
IT7924061A0
IT7924061A0 IT7924061A IT2406179A IT7924061A0 IT 7924061 A0 IT7924061 A0 IT 7924061A0 IT 7924061 A IT7924061 A IT 7924061A IT 2406179 A IT2406179 A IT 2406179A IT 7924061 A0 IT7924061 A0 IT 7924061A0
Authority
IT
Italy
Prior art keywords
jets
drilling
transverse flow
greater transverse
flow
Prior art date
Application number
IT7924061A
Other languages
English (en)
Other versions
IT1123458B (it
Original Assignee
Smith International
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 Smith International filed Critical Smith International
Publication of IT7924061A0 publication Critical patent/IT7924061A0/it
Application granted granted Critical
Publication of IT1123458B publication Critical patent/IT1123458B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids

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)
IT24061/79A 1978-08-14 1979-07-03 Maggiore flusso trasversale con trivellazione a due getti IT1123458B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/933,628 US4189014A (en) 1978-08-14 1978-08-14 Enhanced cross-flow with two jet drilling

Publications (2)

Publication Number Publication Date
IT7924061A0 true IT7924061A0 (it) 1979-07-03
IT1123458B IT1123458B (it) 1986-04-30

Family

ID=25464258

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24061/79A IT1123458B (it) 1978-08-14 1979-07-03 Maggiore flusso trasversale con trivellazione a due getti

Country Status (3)

Country Link
US (1) US4189014A (it)
CA (1) CA1095502A (it)
IT (1) IT1123458B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4293048A (en) * 1980-01-25 1981-10-06 Smith International, Inc. Jet dual bit
US4619335A (en) * 1984-08-16 1986-10-28 Mccullough Doyle W Enhanced circulation drill bit
US4687067A (en) * 1986-05-01 1987-08-18 Smith International, Inc. Crossflow rotary cone rock bit with extended nozzles
US4730681A (en) * 1986-08-29 1988-03-15 Rock Bit Industries U.S.A., Inc. Rock bit cone lock and method
US5462128A (en) * 1992-10-20 1995-10-31 Gray; Clifford R. Cutter bit for use in drilling operations
FR2719626B1 (fr) * 1994-05-04 1996-07-26 Total Sa Outil de forage anti-bourrage.
GB9509555D0 (en) * 1995-05-11 1995-07-05 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US5601153A (en) * 1995-05-23 1997-02-11 Smith International, Inc. Rock bit nozzle diffuser
US5579855A (en) * 1995-07-17 1996-12-03 Dickey; Winton B. Rotary cone rock bit and method
US5669459A (en) * 1995-10-23 1997-09-23 Smith International, Inc. Nozzle retention system for rock bits
US6082473A (en) * 1998-05-22 2000-07-04 Dickey; Winton B. Drill bit including non-plugging nozzle and method for removing cuttings from drilling tool
US6354387B1 (en) 1999-02-25 2002-03-12 Baker Hughes Incorporated Nozzle orientation for roller cone rock bit
US6585063B2 (en) * 2000-12-14 2003-07-01 Smith International, Inc. Multi-stage diffuser nozzle
US7681670B2 (en) * 2004-09-10 2010-03-23 Smith International, Inc. Two-cone drill bit
WO2014190392A1 (en) 2013-05-27 2014-12-04 Hanns David Drill bit
AU2015354408B2 (en) * 2014-11-26 2021-05-20 Drillterra Technologies Pty Ltd Drill bit

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1922436A (en) * 1931-05-04 1933-08-15 Hughes Tool Co Flushing device for well drills
US1999131A (en) * 1932-03-17 1935-04-23 Clarence E Reed Earth boring drill
US2207766A (en) * 1938-03-07 1940-07-16 Lonnie L Thompson Rotary drill bit
US2776115A (en) * 1953-10-29 1957-01-01 Jr Edward B Williams Drill bit
US3363706A (en) * 1965-02-08 1968-01-16 Shell Oil Co Bit with extended jet nozzles
US3509952A (en) * 1968-12-11 1970-05-05 Hughes Tool Co Passageway extension for drilling tools
US3618682A (en) * 1969-10-24 1971-11-09 Sun Oil Co Method and apparatus for drilling
FR2277968A1 (fr) * 1974-07-11 1976-02-06 Inst Francais Du Petrole Outil de forage perfectionne
US4022285A (en) * 1976-03-11 1977-05-10 Frank Donald D Drill bit with suction and method of dry drilling with liquid column
US4126194A (en) * 1977-07-11 1978-11-21 Smith International, Inc. Rock bit with extended pickup tube

Also Published As

Publication number Publication date
US4189014A (en) 1980-02-19
CA1095502A (en) 1981-02-10
IT1123458B (it) 1986-04-30

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