IT960676B - LOW VOLTAGE DISCHARGE DRILL - Google Patents
LOW VOLTAGE DISCHARGE DRILLInfo
- Publication number
- IT960676B IT960676B IT25244/72A IT2524472A IT960676B IT 960676 B IT960676 B IT 960676B IT 25244/72 A IT25244/72 A IT 25244/72A IT 2524472 A IT2524472 A IT 2524472A IT 960676 B IT960676 B IT 960676B
- Authority
- IT
- Italy
- Prior art keywords
- low voltage
- voltage discharge
- discharge drill
- drill
- low
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15037171A | 1971-06-07 | 1971-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT960676B true IT960676B (en) | 1973-11-30 |
Family
ID=22534220
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25244/72A IT960676B (en) | 1971-06-07 | 1972-06-05 | LOW VOLTAGE DISCHARGE 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)
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 |
US4479680A (en) * | 1980-04-11 | 1984-10-30 | Wesley Richard H | Method and apparatus for electrohydraulic fracturing of rock and the like |
US4345650A (en) * | 1980-04-11 | 1982-08-24 | Wesley Richard H | Process and apparatus for electrohydraulic recovery of crude oil |
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 |
AU3911997A (en) * | 1996-08-05 | 1998-02-25 | 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 |
AU2005277008B2 (en) * | 2004-08-20 | 2011-10-06 | 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 |
EP3656970B1 (en) * | 2012-07-05 | 2022-04-06 | Sdg Llc | Apparatuses and methods for supplying electrical power to an electrocrushing drill |
US10407995B2 (en) | 2012-07-05 | 2019-09-10 | Sdg Llc | Repetitive pulsed electric discharge drills including downhole formation evaluation |
US10012063B2 (en) | 2013-03-15 | 2018-07-03 | Chevron U.S.A. Inc. | Ring electrode device and method for generating high-pressure pulses |
US10113364B2 (en) | 2013-09-23 | 2018-10-30 | 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)
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 |
-
1971
- 1971-06-07 US US00150371A patent/US3708022A/en not_active Expired - Lifetime
-
1972
- 1972-05-31 GB GB2537072A patent/GB1360925A/en not_active Expired
- 1972-06-05 IT IT25244/72A patent/IT960676B/en active
- 1972-06-06 FR FR7220314A patent/FR2140490A1/fr not_active Withdrawn
- 1972-06-06 CA CA143,977A patent/CA960641A/en not_active Expired
- 1972-06-06 DE DE2227505A patent/DE2227505A1/en active Pending
- 1972-06-07 BE BE784540A patent/BE784540A/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2140490A1 (en) | 1973-01-19 |
GB1360925A (en) | 1974-07-24 |
BE784540A (en) | 1972-10-02 |
CA960641A (en) | 1975-01-07 |
US3708022A (en) | 1973-01-02 |
DE2227505A1 (en) | 1973-01-04 |
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