EP0331978A3 - Drill pipe for a hydraulic down-hole drill hammer - Google Patents

Drill pipe for a hydraulic down-hole drill hammer Download PDF

Info

Publication number
EP0331978A3
EP0331978A3 EP89103122A EP89103122A EP0331978A3 EP 0331978 A3 EP0331978 A3 EP 0331978A3 EP 89103122 A EP89103122 A EP 89103122A EP 89103122 A EP89103122 A EP 89103122A EP 0331978 A3 EP0331978 A3 EP 0331978A3
Authority
EP
European Patent Office
Prior art keywords
drill
hammer
hydraulic down
hole
drill pipe
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.)
Granted
Application number
EP89103122A
Other languages
German (de)
Other versions
EP0331978B1 (en
EP0331978A2 (en
Inventor
Herbert Burgdorf
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.)
Salzgitter Maschinenbau GmbH
Original Assignee
Salzgitter Maschinenbau GmbH
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 Salzgitter Maschinenbau GmbH filed Critical Salzgitter Maschinenbau GmbH
Publication of EP0331978A2 publication Critical patent/EP0331978A2/en
Publication of EP0331978A3 publication Critical patent/EP0331978A3/en
Application granted granted Critical
Publication of EP0331978B1 publication Critical patent/EP0331978B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10Valve arrangements in drilling-fluid circulation systems
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18Pipes provided with plural fluid passages
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00Drives for drilling, used in the borehole
    • E21B4/06Down-hole impacting means, e.g. hammers
    • E21B4/14Fluid operated hammers

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)
EP89103122A 1988-03-05 1989-02-23 Drill pipe for a hydraulic down-hole drill hammer Expired - Lifetime EP0331978B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3807321 1988-03-05
DE3807321A DE3807321C1 (en) 1988-03-05 1988-03-05

Publications (3)

Publication Number Publication Date
EP0331978A2 EP0331978A2 (en) 1989-09-13
EP0331978A3 true EP0331978A3 (en) 1990-04-11
EP0331978B1 EP0331978B1 (en) 1991-11-13

Family

ID=6349000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89103122A Expired - Lifetime EP0331978B1 (en) 1988-03-05 1989-02-23 Drill pipe for a hydraulic down-hole drill hammer

Country Status (4)

Country Link
EP (1) EP0331978B1 (en)
JP (1) JPH0216288A (en)
DE (2) DE3807321C1 (en)
FI (1) FI891027A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4027414C1 (en) * 1990-08-30 1992-02-13 Komotzki, Michael, 4708 Kamen, De Tubular rock bore drill stem - has concentric channels for fluids and has spring-loaded control valves
FI103688B1 (en) * 1994-09-16 1999-08-13 Winrock Tech Ltd Oy The drill rod
US5586609A (en) * 1994-12-15 1996-12-24 Telejet Technologies, Inc. Method and apparatus for drilling with high-pressure, reduced solid content liquid
AT407184B (en) * 1996-05-20 2001-01-25 Boehler Pneumatik Internat Gmb HYDRAULIC DEEP HOLE DRILL
SE534395C2 (en) * 2009-12-18 2011-08-09 Wassara Ab Device for jointing of double wall drill pipes and double wall drill pipes
GB2481848A (en) * 2010-07-09 2012-01-11 Mine Innovation Ltd Self sealing drill rods
WO2014019154A1 (en) * 2012-08-01 2014-02-06 思达斯易能源技术(集团)有限公司 Well flushing valve
CN113006680B (en) * 2021-03-19 2022-10-28 成都欧维恩博石油科技有限公司 Low-pressure-loss torsion impact drilling tool and rock breaking method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022865A1 (en) * 1978-12-15 1981-01-28 Furukawakogyo Co.Ltd Hydraulically-driven downhole drill
DE3309031A1 (en) * 1983-03-14 1984-09-20 Turkmenskij naučno-issledovatel'skij geologorasvedočnyj institut, Ašchabad Drilling appliance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015695A1 (en) * 1980-04-24 1981-10-29 Salzgitter Maschinen Und Anlagen Ag, 3320 Salzgitter DRILL RODS FOR A COUNTERBURNING TOOL

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0022865A1 (en) * 1978-12-15 1981-01-28 Furukawakogyo Co.Ltd Hydraulically-driven downhole drill
DE3309031A1 (en) * 1983-03-14 1984-09-20 Turkmenskij naučno-issledovatel'skij geologorasvedočnyj institut, Ašchabad Drilling appliance

Also Published As

Publication number Publication date
JPH0216288A (en) 1990-01-19
FI891027A (en) 1989-09-06
EP0331978B1 (en) 1991-11-13
DE58900441D1 (en) 1991-12-19
DE3807321C1 (en) 1989-05-11
FI891027A0 (en) 1989-03-03
EP0331978A2 (en) 1989-09-13

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