CA1009740A - Process and apparatus for exploring the boundaries of a coal seam - Google Patents

Process and apparatus for exploring the boundaries of a coal seam

Info

Publication number
CA1009740A
CA1009740A CA209,100A CA209100A CA1009740A CA 1009740 A CA1009740 A CA 1009740A CA 209100 A CA209100 A CA 209100A CA 1009740 A CA1009740 A CA 1009740A
Authority
CA
Canada
Prior art keywords
exploring
boundaries
coal seam
seam
coal
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
CA209,100A
Other languages
English (en)
Other versions
CA209100S (en
Inventor
Hans-Joachim Hochheimer
Paul H. Helling
Bernhard Wulk
Hans Haas
Hans-Ludwig Jacob
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.)
RAG AG
Original Assignee
Ruhrkohle AG
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 Ruhrkohle AG filed Critical Ruhrkohle AG
Application granted granted Critical
Publication of CA1009740A publication Critical patent/CA1009740A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Geology (AREA)
  • Acoustics & Sound (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
CA209,100A 1973-09-12 1974-09-12 Process and apparatus for exploring the boundaries of a coal seam Expired CA1009740A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2345884A DE2345884C3 (de) 1973-09-12 1973-09-12 Verfahren und Anordnung zur Vorfelderkundung im Zuge des Abbaus eines Kohleflözes

Publications (1)

Publication Number Publication Date
CA1009740A true CA1009740A (en) 1977-05-03

Family

ID=5892306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209,100A Expired CA1009740A (en) 1973-09-12 1974-09-12 Process and apparatus for exploring the boundaries of a coal seam

Country Status (12)

Country Link
US (1) US3961307A (ru)
JP (1) JPS5724871B2 (ru)
AU (1) AU471646B2 (ru)
CA (1) CA1009740A (ru)
CS (1) CS187424B2 (ru)
DE (1) DE2345884C3 (ru)
ES (1) ES430003A1 (ru)
FR (1) FR2243448B1 (ru)
GB (1) GB1481436A (ru)
HU (1) HU171822B (ru)
PL (1) PL91699B1 (ru)
ZA (1) ZA745808B (ru)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128011A (en) * 1974-07-16 1978-12-05 Savage Robert J Investigation of the soundness of structures
FR2379075A1 (fr) * 1977-01-28 1978-08-25 Inst Francais Du Petrole Methode de prospection sismique permettant la determination du pendage lateral de couches souterraines et dispositif pour sa mise en oeuvre
US4123744A (en) * 1977-03-10 1978-10-31 Schlumberger Technology Corporation Method and apparatus for dynamically investigating a borehole
JPS53111630A (en) * 1977-03-11 1978-09-29 Tekken Constr Co Method of shield excavating and shield excavator
US4150576A (en) * 1977-10-25 1979-04-24 Energy And Minerals Research Co. Mine roof and wall inspection apparatus and method
GB2032103B (en) * 1978-10-20 1983-01-19 Coal Industry Patents Ltd Method and apparatus for locating flaws in a mineral seam
US4509149A (en) * 1979-07-16 1985-04-02 Mobil Oil Corporation Directional long array for logging vertical boundaries
GB2100544B (en) * 1981-06-16 1985-11-20 Ensco Inc Radar drill guidance system
GB8604881D0 (en) * 1986-02-27 1986-04-03 Grace W R & Co Container caps
DE3638480C2 (de) * 1986-11-10 1994-04-14 Gsp Sprachtechnologie Ges Fuer Schallwandlereinrichtung mit entfernungsabhängiger Pegelbeeinflussung
DE8702924U1 (ru) * 1987-02-26 1987-07-02 Maschinenfabrik Glueckauf Beukenberg Gmbh & Co, 4650 Gelsenkirchen, De
GB2233454A (en) * 1989-05-19 1991-01-09 Coal Ind Locating the source of a seismic disturbance
US5062299A (en) * 1990-01-05 1991-11-05 Lever Brothers Company, Division Of Conopco, Inc. Apparatus and method for detecting inhomogeneities in semi-plastic substances through ultrasound
GB9011836D0 (en) * 1990-05-25 1990-07-18 Mason Iain M Seismic surveying
IT1241558B (it) * 1990-12-21 1994-01-17 Consiglio Nazionale Ricerche Dispositivo per la trasmissione e la ricezione di sgnali acustici ad alta risoluzione, particolarmente er applicazioni sottomarine, con trasduttore paraboloidale di ricezione circondato da trasduttori parabolidali di trasmissione a eccitazione differenziata.
US5496093A (en) * 1994-12-23 1996-03-05 Csir & Sasol Mining Proprietary Ltd. Operating a continuous miner
AU672542B2 (en) * 1994-12-29 1996-10-03 Csir Operating a continuous miner
US5769503A (en) * 1996-07-23 1998-06-23 Stolar, Inc. Method and apparatus for a rotating cutting drum or arm mounted with paired opposite circular polarity antennas and resonant microstrip patch transceiver for measuring coal, trona and potash layers forward, side and around a continuous mining machine
CN110541730B (zh) * 2019-09-05 2021-03-19 湖南科技大学 一种基于气雾判识煤层距离的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1226512B (de) * 1965-06-30 1966-10-13 Eickhoff Geb Einrichtung zum Abtasten des Hangenden, insbesondere fuer Schraemmaschinen in mannlosen Streben des Untertagebergbaues
US3346068A (en) * 1966-10-20 1967-10-10 Atlantic Richfield Co Focusing and scanning either or both of a plurality of seismic sources and seismometers to produce an improved seismic record
US3496533A (en) * 1968-09-06 1970-02-17 Schlumberger Technology Corp Directional acoustic transmitting and receiving apparatus
US3475722A (en) * 1968-11-07 1969-10-28 Marathon Oil Co Method and apparatus for acoustic bore hole logging using acoustic signals of controlled direction
US3766519A (en) * 1970-06-08 1973-10-16 California Research Corp Method for processing surface detected seismic data to plotted representations of subsurface directional seismic data
CS150849B1 (ru) * 1971-06-29 1973-09-17

Also Published As

Publication number Publication date
FR2243448B1 (ru) 1980-04-04
DE2345884C3 (de) 1979-05-23
DE2345884B2 (de) 1977-09-08
AU7325474A (en) 1976-03-18
CS187424B2 (en) 1979-01-31
PL91699B1 (ru) 1977-03-31
GB1481436A (en) 1977-07-27
ES430003A1 (es) 1976-09-16
FR2243448A1 (ru) 1975-04-04
AU471646B2 (en) 1976-04-29
US3961307A (en) 1976-06-01
JPS5724871B2 (ru) 1982-05-26
JPS5075901A (ru) 1975-06-21
HU171822B (hu) 1978-03-28
ZA745808B (en) 1975-09-24
DE2345884A1 (de) 1975-07-31

Similar Documents

Publication Publication Date Title
CA1009740A (en) Process and apparatus for exploring the boundaries of a coal seam
AU463780B2 (en) Welding apparatus
CA1020441A (en) Seam forming apparatus
AU475650B2 (en) Process and apparatus for continously heating fine-grained coal
CA1007900A (en) Fastener feed apparatus and method
CA1017809A (en) Automatically controlled welding apparatus
CA1031589A (en) Apparatus and process for refrigerating materials
CA944437A (en) Seam tracking method and apparatus
CA944631A (en) Method and apparatus for striping inside seams of cans
CA1032750A (en) Method and apparatus for burning pulverulent materials
CA1002496A (en) Container sealing apparatus
CA955800A (en) Apparatus for disposing of refuse
GB1491683A (en) Method and apparatus for maintaining a predetermined phase relationship between two signals
CA1032751A (en) Method and apparatus for burning pulverulent materials
CA1023532A (en) Method and apparatus for the banding of objects
CA982373A (en) Weld bead-reducing apparatus
SU636412A1 (ru) Способ дегазации метанообильных угольных пластов
CA981436A (en) Feed apparatus
AU486852B2 (en) Seam forming apparatus
CA975679A (en) Apparatus for moving pipe into and out of a well
AU462210B2 (en) A meeting of and apparatus for selectively soldering workpiece
CA973208A (en) Method and apparatus for continuous mining
AU475235B2 (en) Method and apparatus for continuous mining
AU480732B2 (en) Process and apparatus for gasifying coal
AU5386773A (en) Method and apparatus for continuous mining