CA960641A - Low voltage spark drill - Google Patents

Low voltage spark drill

Info

Publication number
CA960641A
CA960641A CA143,977A CA143977A CA960641A CA 960641 A CA960641 A CA 960641A CA 143977 A CA143977 A CA 143977A CA 960641 A CA960641 A CA 960641A
Authority
CA
Canada
Prior art keywords
low voltage
voltage spark
spark drill
drill
low
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
Application number
CA143,977A
Other versions
CA143977S (en
Inventor
George N. Woodruff
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.)
Northrop Grumman Space and Mission Systems Corp
Original Assignee
TRW 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 TRW Inc filed Critical TRW Inc
Application granted granted Critical
Publication of CA960641A publication Critical patent/CA960641A/en
Expired 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/14—Drilling by use of heat, e.g. flame drilling
    • E21B7/15—Drilling by use of heat, e.g. flame drilling of electrically generated heat

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA143,977A 1971-06-07 1972-06-06 Low voltage spark drill Expired CA960641A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15037171A 1971-06-07 1971-06-07

Publications (1)

Publication Number Publication Date
CA960641A true CA960641A (en) 1975-01-07

Family

ID=22534220

Family Applications (1)

Application Number Title Priority Date Filing Date
CA143,977A Expired CA960641A (en) 1971-06-07 1972-06-06 Low voltage spark drill

Country Status (7)

Country Link
US (1) US3708022A (en)
BE (1) BE784540A (en)
CA (1) CA960641A (en)
DE (1) DE2227505A1 (en)
FR (1) FR2140490A1 (en)
GB (1) GB1360925A (en)
IT (1) IT960676B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4230425A (en) * 1979-03-19 1980-10-28 Gusev Vladimir A Method and installation for producing cast-in-situ piles
US4345650A (en) * 1980-04-11 1982-08-24 Wesley Richard H Process and apparatus for electrohydraulic recovery of crude oil
US4479680A (en) * 1980-04-11 1984-10-30 Wesley Richard H Method and apparatus for electrohydraulic fracturing of rock and the like
US4741405A (en) * 1987-01-06 1988-05-03 Tetra Corporation Focused shock spark discharge drill using multiple electrodes
DE3701676A1 (en) * 1987-01-22 1988-08-04 Werner Foppe PROFILE MELT DRILLING PROCESS
DE4008571A1 (en) * 1990-03-14 1991-01-24 Manfred Bocian Method of winning ground heat - involves drilling without rotation and using natural pressure and temperature ratios with electro hydraulic effects
US5482357A (en) * 1995-02-28 1996-01-09 Noranda, Inc. Plasma blasting probe assembly
DE19534173A1 (en) * 1995-09-14 1997-03-20 Linde Ag Blasting subterranean borehole with shock waves generated by high voltage electrical discharges
US6215734B1 (en) * 1996-08-05 2001-04-10 Tetra Corporation Electrohydraulic pressure wave projectors
US20040145354A1 (en) * 2003-01-17 2004-07-29 Stumberger Walter W. Method for controlling an electrical discharge using electrolytes and other electrically conductive fluid materials
US20080112107A1 (en) * 2004-01-14 2008-05-15 Stumberger Walter W Method for controlling an electrical discharge using electrically conductive fluid materials
US8789772B2 (en) 2004-08-20 2014-07-29 Sdg, Llc Virtual electrode mineral particle disintegrator
EP1789652B1 (en) * 2004-08-20 2019-11-20 Sdg Llc Pulsed electric rock drilling, fracturing, and crushing methods and apparatus
US7584783B2 (en) * 2005-05-17 2009-09-08 Baker Hughes Incorporated Surface activated downhole spark-gap tool
US10060195B2 (en) 2006-06-29 2018-08-28 Sdg Llc Repetitive pulsed electric discharge apparatuses and methods of use
AT505787B1 (en) 2007-09-18 2009-06-15 Chemiefaser Lenzing Ag lyocell
US9181754B2 (en) 2011-08-02 2015-11-10 Haliburton Energy Services, Inc. Pulsed-electric drilling systems and methods with formation evaluation and/or bit position tracking
BR112015000141B1 (en) * 2012-07-05 2022-06-14 Sdg, Llc APPLIANCES AND METHODS FOR SUPPLYING POWER FOR A BOTTOM PULSED POWER SYSTEM
US10407995B2 (en) 2012-07-05 2019-09-10 Sdg Llc Repetitive pulsed electric discharge drills including downhole formation evaluation
US10077644B2 (en) 2013-03-15 2018-09-18 Chevron U.S.A. Inc. Method and apparatus for generating high-pressure pulses in a subterranean dielectric medium
WO2015042608A1 (en) 2013-09-23 2015-03-26 Sdg Llc Method and apparatus for isolating and switching lower voltage pulses from high voltage pulses in electrocrushing and electrohydraulic drills

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953353A (en) * 1957-06-13 1960-09-20 Benjamin G Bowden Apparatus for drilling holes in earth
US2963620A (en) * 1959-08-27 1960-12-06 Gen Lab Associates Inc Sensing igniter
US3158207A (en) * 1961-08-14 1964-11-24 Jersey Producttion Res Company Combination roller cone and spark discharge drill bit
US3500942A (en) * 1968-07-30 1970-03-17 Shell Oil Co Shaped spark drill
US3679007A (en) * 1970-05-25 1972-07-25 Louis Richard O Hare Shock plasma earth drill

Also Published As

Publication number Publication date
DE2227505A1 (en) 1973-01-04
GB1360925A (en) 1974-07-24
IT960676B (en) 1973-11-30
US3708022A (en) 1973-01-02
BE784540A (en) 1972-10-02
FR2140490A1 (en) 1973-01-19

Similar Documents

Publication Publication Date Title
CA970146A (en) Drilling
CA959362A (en) Ignition devices
CA959141A (en) High voltage connector
CA989211A (en) Electric hammer drill
CA960641A (en) Low voltage spark drill
CA965141A (en) High voltage ignition system transformer
CA967655A (en) High voltage resistor
CA960536A (en) Spark plug
CA931276A (en) High voltage hold down circuit
CA957740A (en) Clamp-top type insulator
CA967788A (en) Spark plug electrode
AU465776B2 (en) Voltage supplies
AU4321172A (en) Low voltage spark drill
AU463790B2 (en) Electrode boiler
AU457353B2 (en) Drill
AU468149B2 (en) Improved borehole plug
CA882481A (en) Spark plug electrode construction
CA889465A (en) Ignition electrode unit
CA881064A (en) Electrode
CA877719A (en) Three electrode spark plug
CA879939A (en) Electrode arrangement
CA973834A (en) Electrodes
CA867113A (en) Spark plug
CA884508A (en) Spark gap devices
AU445235B2 (en) Drill