NO980494D0 - Fremgangsmåte og apparat for styrt sprengning med liten ladning av hardt fjell og betong ved eksplosiv trykksetting av bunnen til et borehull - Google Patents

Fremgangsmåte og apparat for styrt sprengning med liten ladning av hardt fjell og betong ved eksplosiv trykksetting av bunnen til et borehull

Info

Publication number
NO980494D0
NO980494D0 NO980494A NO980494A NO980494D0 NO 980494 D0 NO980494 D0 NO 980494D0 NO 980494 A NO980494 A NO 980494A NO 980494 A NO980494 A NO 980494A NO 980494 D0 NO980494 D0 NO 980494D0
Authority
NO
Norway
Prior art keywords
borehole
concrete
pressure setting
hard rock
small charge
Prior art date
Application number
NO980494A
Other languages
English (en)
Other versions
NO980494L (no
Inventor
John David Watson
Original Assignee
Bolinas Tech Llc
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 Bolinas Tech Llc filed Critical Bolinas Tech Llc
Publication of NO980494D0 publication Critical patent/NO980494D0/no
Publication of NO980494L publication Critical patent/NO980494L/no

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/11—Perforators; Permeators
    • E21B43/116—Gun or shaped-charge perforators
    • E21B43/117—Shaped-charge perforators
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C37/00—Other methods or devices for dislodging with or without loading
    • E21C37/16—Other methods or devices for dislodging with or without loading by fire-setting or by similar methods based on a heat effect
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/22—Elements for controlling or guiding the detonation wave, e.g. tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D3/00—Particular applications of blasting techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
  • Disintegrating Or Milling (AREA)
NO980494A 1995-08-04 1998-02-04 Fremgangsmåte og apparat for styrt sprengning med liten ladning av hardt fjell og betong ved eksplosiv trykksetting av bunnen til et borehull NO980494L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US192995P 1995-08-04 1995-08-04
PCT/US1996/012749 WO1997006402A2 (en) 1995-08-04 1996-08-02 Controlled small-charge blasting by explosive

Publications (2)

Publication Number Publication Date
NO980494D0 true NO980494D0 (no) 1998-02-04
NO980494L NO980494L (no) 1998-04-03

Family

ID=21698476

Family Applications (1)

Application Number Title Priority Date Filing Date
NO980494A NO980494L (no) 1995-08-04 1998-02-04 Fremgangsmåte og apparat for styrt sprengning med liten ladning av hardt fjell og betong ved eksplosiv trykksetting av bunnen til et borehull

Country Status (15)

Country Link
US (3) US6035784A (no)
EP (1) EP0842391B1 (no)
JP (1) JPH11510244A (no)
CN (1) CN1072353C (no)
AP (1) AP880A (no)
AT (1) ATE243836T1 (no)
AU (1) AU721680B2 (no)
BR (1) BR9610088A (no)
CA (1) CA2228646A1 (no)
DE (1) DE69628839D1 (no)
NO (1) NO980494L (no)
NZ (1) NZ320772A (no)
PL (1) PL182548B1 (no)
WO (1) WO1997006402A2 (no)
ZA (1) ZA966643B (no)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE243836T1 (de) * 1995-08-04 2003-07-15 Rocktek Ltd Verfahren und vorrichtung zum kontrollierten sprengen von hartstein oder beton mittels einer kleinen ladung,wobei der boden des bohrloches unter explosiven druck gesetzt wird
AUPP021697A0 (en) * 1997-11-06 1997-11-27 Rocktek Limited Radio detonation system
US6223656B1 (en) * 1998-05-15 2001-05-01 The Regents Of The University Of California Pressure enhanced penetration with shaped charge perforators
US6389973B1 (en) * 1998-10-12 2002-05-21 Hitachi Zosen Corporation Blasting apparatus and blasting method
US6332401B1 (en) 1999-03-11 2001-12-25 Rocktek Limited Method and apparatus for pressure wave suppression in small-charge blasting
US6347837B1 (en) 1999-03-11 2002-02-19 Becktek Limited Slide assembly having retractable gas-generator apparatus
US6339992B1 (en) * 1999-03-11 2002-01-22 Rocktek Limited Small charge blasting apparatus including device for sealing pressurized fluids in holes
AU739462B2 (en) * 1999-03-11 2001-10-11 Rockmin Pty Ltd Small charge blasting system
AUPQ591000A0 (en) 2000-02-29 2000-03-23 Rockmin Pty Ltd Cartridge shell and cartridge for blast holes and method of use
US6499406B2 (en) * 2000-12-30 2002-12-31 Dong Soo Shim Blasting apparatus for forming horizontal underground cavities and blasting method using the same
US6679175B2 (en) 2001-07-19 2004-01-20 Rocktek Limited Cartridge and method for small charge breaking
FI113803B (fi) * 2001-11-12 2004-06-15 Sandvik Tamrock Oy Järjestely panosten syöttämiseksi porareikään
WO2003060421A1 (en) * 2002-01-03 2003-07-24 Nxco International Limited Explosive pressure wave concentrator
DE60206965T2 (de) * 2002-01-03 2006-08-03 Nxco International Ltd., Nassau Treibladungszünderelement
AU2003200490B2 (en) * 2002-02-20 2008-05-08 Rocktek Ltd. Apparatus and method for fracturing a hard material
AU2003256948B2 (en) * 2002-08-05 2006-07-27 Carroll Bassett Handheld tool for breaking up rock
WO2007033387A1 (en) * 2005-05-27 2007-03-22 Marianna Suzanne Van Rensburg Shock tube centering device
ZA200702672B (en) * 2006-03-31 2008-05-28 Lamos Richard Andreas Blasting method for controlled multiple sequential blasts in multi-diameter blastholes
CA2544818A1 (en) * 2006-04-25 2007-10-25 Precision Energy Services, Inc. Method and apparatus for perforating a casing and producing hydrocarbons
US20100107917A1 (en) * 2006-09-27 2010-05-06 Montanuniversitat Leoben Explosive Cartridge And A Method Of Arranging An Explosive Cartridge In A Blast Hole
MX2009004068A (es) * 2006-10-19 2009-06-18 Carroll Bassett Cartucho de retacado.
FI120418B (fi) * 2007-12-27 2009-10-15 Sandvik Mining & Constr Oy Menetelmä ja laitteisto pienpanoslouhintaan
JP5343195B2 (ja) * 2008-04-02 2013-11-13 国立大学法人 熊本大学 衝撃波処理方法および処理装置
US20090314177A1 (en) * 2008-06-19 2009-12-24 George Laszlo Tamping Device
US7954433B1 (en) 2008-07-24 2011-06-07 Matt Bradley Barnett Explosive shaped charge device
FI122760B (fi) * 2008-09-15 2012-06-29 Sandvik Mining & Constr Oy Menetelmä säröilyn muodostamiseksi kivimateriaaliin ja rikkomislaite
AU2010331996A1 (en) * 2009-12-15 2012-07-05 J.H. Fletcher & Co. Mining machine with booms providing enhanced rib access
WO2011127491A2 (en) 2010-04-06 2011-10-13 Sandvik Mining And Construction Rsa (Pty) Ltd A rock breaking product
JP2012021700A (ja) * 2010-07-14 2012-02-02 Chugoku Kayaku Kk 火工品
CN101967976B (zh) * 2010-09-30 2013-06-12 洛阳栾川钼业集团股份有限公司 一种露天矿空区透孔封堵塞及其透孔的封堵方法
DK2651855T3 (en) * 2010-12-17 2016-09-12 Rock Breaking Tech Co (Rob Tech) Ltd Stone and betonnedbrydnings- (demolition - nedbrækning - splitting) system
NO334723B1 (no) * 2012-03-12 2014-05-12 Interwell Technology As Fremgangsmåte for å plugge og forlate en brønn
AU2013245312A1 (en) * 2012-04-03 2014-11-20 Fowlds 3 Limited A blasting cartridge
EP2669463B1 (en) * 2012-05-31 2018-08-08 Sandvik Mining and Construction Oy A rock drilling rig and method of driving compressor
US9777459B2 (en) * 2012-07-31 2017-10-03 Solar Foundations Usa, Inc Attachment for a skid steer loader and method of use thereof
US9500419B2 (en) 2013-03-15 2016-11-22 Hypersciences, Inc. Ram accelerator system
WO2015068110A1 (en) * 2013-11-05 2015-05-14 Fowlds 3 Limited A cartridge
RU2558419C2 (ru) * 2013-11-19 2015-08-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования Самарский государственный технический университет Устройство для измерения параметров срабатывания капсюля-детонатора с ударно-волновой трубкой
US9458670B2 (en) * 2014-05-13 2016-10-04 Hypersciences, Inc. Ram accelerator system with endcap
US9988844B2 (en) 2014-10-23 2018-06-05 Hypersciences, Inc. Ram accelerator system with rail tube
US10697242B2 (en) 2015-04-21 2020-06-30 Hypersciences, Inc. Ram accelerator system with baffles
US10557308B2 (en) 2015-11-10 2020-02-11 Hypersciences, Inc. Projectile drilling system
US10329842B2 (en) 2015-11-13 2019-06-25 Hypersciences, Inc. System for generating a hole using projectiles
RU2632987C1 (ru) * 2016-07-26 2017-10-11 Федеральное государственное автономное образовательное учреждение высшего образования "Северо-Восточный федеральный университет имени М.К.Аммосова" Способ формирования заряда взрывчатого вещества в скважине
WO2018034673A1 (en) * 2016-08-19 2018-02-22 Halliburton Energy Services, Inc. System and method of delivering stimulation treatment by means of gas generation
US10590707B2 (en) 2016-09-12 2020-03-17 Hypersciences, Inc. Augmented drilling system
US10138720B2 (en) 2017-03-17 2018-11-27 Energy Technology Group Method and system for perforating and fragmenting sediments using blasting material
AU2019212682A1 (en) 2018-01-29 2020-07-23 Dyno Nobel Inc. Mechanically-gassed emulsion explosives and methods related thereto
BR122022001573B1 (pt) 2018-01-29 2022-11-29 Dyno Nobel Inc Método de liberação de explosivos, sistemas de liberação de explosivos e método de determinação de um perfil de densidade de explosivo em emulsão para um furo de detonação
US11808093B2 (en) 2018-07-17 2023-11-07 DynaEnergetics Europe GmbH Oriented perforating system
CN109000525B (zh) * 2018-08-15 2020-04-07 中铁十六局集团有限公司 一种盾构掘进上软下硬地层预裂爆破施工方法
RU2709848C1 (ru) * 2019-04-24 2019-12-23 Федеральное Государственное Бюджетное Учреждение Науки Институт Проблем Комплексного Освоения Недр Им. Академика Н.В. Мельникова Российской Академии Наук (Ипкон Ран) Способ взрывной отбойки руд и пород
US11255147B2 (en) 2019-05-14 2022-02-22 DynaEnergetics Europe GmbH Single use setting tool for actuating a tool in a wellbore
US11578549B2 (en) 2019-05-14 2023-02-14 DynaEnergetics Europe GmbH Single use setting tool for actuating a tool in a wellbore
US10927627B2 (en) 2019-05-14 2021-02-23 DynaEnergetics Europe GmbH Single use setting tool for actuating a tool in a wellbore
US11204224B2 (en) 2019-05-29 2021-12-21 DynaEnergetics Europe GmbH Reverse burn power charge for a wellbore tool
CN110260743A (zh) * 2019-07-16 2019-09-20 湖北三鑫金铜股份有限公司 一种孔底空腔装药结构轴向不耦合系数的确定方法
NZ784109A (en) 2019-08-15 2023-03-31 X Dev Llc Improving blast patterns
CN110553780B (zh) * 2019-10-10 2021-05-18 中国工程物理研究院流体物理研究所 一种单向柱壳约束反应烈度量化诊断装置和诊断方法
WO2021116336A1 (en) 2019-12-10 2021-06-17 DynaEnergetics Europe GmbH Initiator head with circuit board
US11624235B2 (en) 2020-08-24 2023-04-11 Hypersciences, Inc. Ram accelerator augmented drilling system
CN112729035B (zh) * 2020-12-25 2023-02-28 上海二十冶建设有限公司 一种较完整岩层整体静力爆破装置及其施工方法
US11719047B2 (en) 2021-03-30 2023-08-08 Hypersciences, Inc. Projectile drilling system
US12000267B2 (en) 2021-09-24 2024-06-04 DynaEnergetics Europe GmbH Communication and location system for an autonomous frack system
US11753889B1 (en) 2022-07-13 2023-09-12 DynaEnergetics Europe GmbH Gas driven wireline release tool

Family Cites Families (82)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE284253C (no) *
US1189011A (en) * 1916-01-06 1916-06-27 William D Smith Means for preventing erosion and overheating of firearms.
US1585664A (en) * 1920-11-24 1926-05-25 George H Gilman Method of and apparatus for breaking out rock
BE369126A (no) * 1930-04-02
US2281103A (en) * 1939-11-03 1942-04-28 Gulf Oil Corp Apparatus for placing explosives
US2587243A (en) * 1946-10-16 1952-02-26 I J Mccullough Cutting apparatus
US2725821A (en) * 1952-03-29 1955-12-06 Hercules Powder Co Ltd Circuit closing means and blasting assembly
GB800843A (en) * 1955-02-24 1958-09-03 Dukane Corp Magnetic recording and reproducing machine
US2799488A (en) * 1955-05-12 1957-07-16 Ambrose H Mandt Method of and apparatus for the continuous mining of mineral material by combined drilling, undercutting and shooting operations
GB800883A (en) * 1956-03-05 1958-09-03 Ici Ltd Apparatus for the preparation of a seam exposed at a coal mine face for blasting and for the blasting of coal from said face
US2928319A (en) * 1957-02-12 1960-03-15 Henry A Sokolowski Cartridge actuated catapult with split inner tube
DE1091035B (de) * 1958-03-17 1960-10-13 Uhde Gmbh Friedrich Durch Lenker gefuehrter Schwingfoerderer
GB942750A (en) * 1958-12-30 1963-11-27 Hercules Powder Co Ltd Improvements in or relating to mining assembly and method
US3055648A (en) * 1958-12-30 1962-09-25 Hercules Powder Co Ltd Mining blasting apparatus
US3003419A (en) * 1960-06-06 1961-10-10 Mimx Corp Rod-type pyrogenic igniter
US3182595A (en) * 1962-07-20 1965-05-11 Harry F Hassmann Igniter assembly containing strands of benite
US3144827A (en) * 1962-11-19 1964-08-18 John T Boutwell Blank cartridge
DE1195696B (de) * 1964-01-11 1965-07-01 Dynamit Nobel Ag Einrichtung zum Traenkungsschiessen
US3386769A (en) * 1966-01-07 1968-06-04 White Pine Copper Co Rock-breaking apparatus
US3313234A (en) * 1966-03-28 1967-04-11 Petroleum Tool Res Inc Explosive well stimulation apparatus
DE1603753A1 (de) * 1966-04-28 1970-12-23 Dynamit Nobel Ag Treibkartusche fuer pulverkraftbetriebene Geraete zur gewerblichen Nutzung
US3421408A (en) * 1967-01-31 1969-01-14 Joseph A Badali Feed system for cartridges
BE709301A (no) 1968-01-12 1968-07-12
US3604355A (en) * 1969-02-05 1971-09-14 Us Navy Propellant-loaded cartridge
US3641935A (en) * 1969-06-23 1972-02-15 Dynamit Nobel Ag Pressure cartridge containing solid fuel propellant charge
US3756763A (en) * 1969-10-27 1973-09-04 Pulsepower Systems Pulsed high pressure liquid propellant combustion powered gas generators
US3735704A (en) * 1970-02-25 1973-05-29 C Livingston Control blasting
US3848927A (en) * 1970-02-25 1974-11-19 C Livingston Mining method using control blasting
US3623771A (en) * 1970-06-25 1971-11-30 Du Pont Drill-and-blast excavating apparatus and method
US3721471A (en) * 1971-10-28 1973-03-20 Du Pont Drill-and-blast module
US3818906A (en) * 1972-12-01 1974-06-25 J Stubbs Apparatus for controlling eating and smoking habits
SE388934B (sv) * 1973-06-29 1976-10-18 Nitro Nobel Ab Sett att vid bergssprengning i kontinuerlig drift borra, ladda och tenda sprengemnet samt laddning for genomforande av settet
US3975056A (en) * 1974-02-11 1976-08-17 Rapidex, Inc. Longwall canted drum mining machine
CH590398A5 (no) * 1974-04-25 1977-08-15 Cerac Inst Sa
US3954058A (en) * 1974-05-03 1976-05-04 Barney Sanders Coal mine shooting plug
AU7174274A (en) 1974-07-29 1976-01-29 Nitro Nobel Ab Blastings in rock formation 014
US4007783A (en) * 1974-12-18 1977-02-15 Otis Engineering Corporation Well plug with anchor means
SE422967B (sv) * 1975-09-19 1982-04-05 Atlas Copco Ab Sett och anordning for brytning av ett fast material
SE395503B (sv) * 1975-09-19 1977-08-15 Atlas Copco Ab Sett och anordning for brytning av ett fast material
US4040355A (en) * 1975-10-09 1977-08-09 Hercules Incorporated Excavation apparatus and method
CH598472A5 (no) * 1975-10-23 1978-04-28 Cerac Inst Sa
SE7607337L (sv) * 1976-06-28 1977-12-29 Atlas Copco Ab Sett och anordning for brytning av ett fast material
US4064935A (en) * 1976-09-13 1977-12-27 Kine-Tech Corporation Oil well stimulation apparatus
GB1545236A (en) * 1976-11-06 1979-05-02 Lockwood Bennett Ltd Mining equipment
SE7613107L (sv) * 1976-11-24 1978-05-25 Atlas Copco Ab Sett och anordning for brytning av fast material.
US4165690A (en) * 1976-12-17 1979-08-28 Rock Fall Company Limited Drill units for drilling and charge laying operations and method of carrying out the operations
US4140188A (en) * 1977-10-17 1979-02-20 Peadby Vann High density jet perforating casing gun
US4208966A (en) * 1978-02-21 1980-06-24 Schlumberger Technology Corporation Methods and apparatus for selectively operating multi-charge well bore guns
BE887123A (fr) * 1981-01-19 1981-07-20 Bourguignonne Plastique Cartouche pour le bourrage des trous de mines
US4394051A (en) * 1981-06-03 1983-07-19 The United States Of America As Represented By The Secretary Of The Interior Method of hydrospalling
DE3149145C1 (de) * 1981-12-11 1983-08-25 Dynamit Nobel Ag, 5210 Troisdorf Verwendung von strahlenvernetztem Polyaethylen
JPS58138894A (ja) * 1982-02-12 1983-08-17 マツダ株式会社 自動さく孔制御装置
JPS58142200A (ja) * 1982-02-19 1983-08-23 マツダ株式会社 爆薬装填制御装置
US4582147A (en) * 1982-07-16 1986-04-15 Tround International, Inc. Directional drilling
ZA837482B (en) * 1982-10-12 1985-02-27 Flow Ind Inc Method and apparatus for fracturing of rock
US4530396A (en) * 1983-04-08 1985-07-23 Mohaupt Henry H Device for stimulating a subterranean formation
IL74387A (en) * 1984-02-21 1993-02-21 Bofors Ab Method and apparatus for production of cartridged propellant charges for barrel weapons
US4632034A (en) * 1984-03-08 1986-12-30 Halliburton Company Redundant detonation initiators for use in wells and method of use
DE3416736C2 (de) * 1984-05-07 1986-10-02 Dynamit Nobel Ag, 5210 Troisdorf Treibladungsanzünder
US4655082A (en) * 1985-07-31 1987-04-07 Massachusetts Institute Of Technology Mining machine having vibration sensor
US4669783A (en) * 1985-12-27 1987-06-02 Flow Industries, Inc. Process and apparatus for fragmenting rock and like material using explosion-free high pressure shock waves
US4829900A (en) * 1986-09-15 1989-05-16 Boutade Worldwide Investments Nv Mat for use with rock breaking tool
US4754705A (en) * 1986-11-17 1988-07-05 The Curators Of The University Of Missouri Mechanical stemming construction for blast holes and method of use
US4798244A (en) * 1987-07-16 1989-01-17 Trost Stephen A Tool and process for stimulating a subterranean formation
US4886126A (en) * 1988-12-12 1989-12-12 Baker Hughes Incorporated Method and apparatus for firing a perforating gun
US5033390A (en) * 1989-11-13 1991-07-23 Morton International, Inc. Trilevel performance gas generator
DE3938123A1 (de) * 1989-11-16 1991-05-23 Diehl Gmbh & Co Treibladungsanzuender
US5005641A (en) * 1990-07-02 1991-04-09 Mohaupt Henry H Gas generator with improved ignition assembly
US5098163A (en) 1990-08-09 1992-03-24 Sunburst Recovery, Inc. Controlled fracture method and apparatus for breaking hard compact rock and concrete materials
US5211224A (en) * 1992-03-26 1993-05-18 Baker Hughes Incorporated Annular shaped power charge for subsurface well devices
US5308149A (en) * 1992-06-05 1994-05-03 Sunburst Excavation, Inc. Non-explosive drill hole pressurization method and apparatus for controlled fragmentation of hard compact rock and concrete
US5765923A (en) * 1992-06-05 1998-06-16 Sunburst Excavation, Inc. Cartridge for generating high-pressure gases in a drill hole
US5247886A (en) * 1992-10-14 1993-09-28 The Curators Of The University Of Missouri Blast plug and stemming construction for blast holes
CA2111880C (en) * 1992-12-24 2001-06-12 Anthony L. Ey Shaped charges
WO1995028551A1 (en) * 1994-04-14 1995-10-26 Sunburst Excavation, Inc. Controlled fragmentation of hard rock by pressurization of the bottom of a drill hole
US5474364A (en) * 1994-10-20 1995-12-12 The United States Of America As Represented By The Secretary Of The Interior Shotgun cartridge rock breaker
US5564499A (en) * 1995-04-07 1996-10-15 Willis; Roger B. Method and device for slotting well casing and scoring surrounding rock to facilitate hydraulic fractures
ATE243836T1 (de) * 1995-08-04 2003-07-15 Rocktek Ltd Verfahren und vorrichtung zum kontrollierten sprengen von hartstein oder beton mittels einer kleinen ladung,wobei der boden des bohrloches unter explosiven druck gesetzt wird
US5700968A (en) * 1996-09-30 1997-12-23 Blimke; Ross Arthur Perforating gun brake
US5714712A (en) * 1996-10-25 1998-02-03 The Ensign-Bickford Company Explosive initiation system
US5798477A (en) * 1996-12-18 1998-08-25 Givens; Richard W. Explosive cartridge assembly for presplitting rock
US6223656B1 (en) * 1998-05-15 2001-05-01 The Regents Of The University Of California Pressure enhanced penetration with shaped charge perforators

Also Published As

Publication number Publication date
DE69628839D1 (de) 2003-07-31
ZA966643B (en) 1997-02-19
CN1198812A (zh) 1998-11-11
PL327283A1 (en) 1998-12-07
CA2228646A1 (en) 1997-02-20
WO1997006402A2 (en) 1997-02-20
AU721680B2 (en) 2000-07-13
US6148730A (en) 2000-11-21
AU7357696A (en) 1997-03-05
CN1072353C (zh) 2001-10-03
ATE243836T1 (de) 2003-07-15
BR9610088A (pt) 1999-03-23
EP0842391B1 (en) 2003-06-25
AP880A (en) 2000-10-11
NZ320772A (en) 2000-02-28
JPH11510244A (ja) 1999-09-07
EP0842391A2 (en) 1998-05-20
US6435096B1 (en) 2002-08-20
US6035784A (en) 2000-03-14
MX9801011A (es) 1998-10-31
AP9801192A0 (en) 1998-03-31
EP0842391A4 (en) 2001-03-14
NO980494L (no) 1998-04-03
WO1997006402A3 (en) 1997-04-03
PL182548B1 (pl) 2002-01-31

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