ES2045453T3 - Dispositivo para controlar la posicion de una herramienta de pperforacion auto-propulsada. - Google Patents

Dispositivo para controlar la posicion de una herramienta de pperforacion auto-propulsada.

Info

Publication number
ES2045453T3
ES2045453T3 ES89308475T ES89308475T ES2045453T3 ES 2045453 T3 ES2045453 T3 ES 2045453T3 ES 89308475 T ES89308475 T ES 89308475T ES 89308475 T ES89308475 T ES 89308475T ES 2045453 T3 ES2045453 T3 ES 2045453T3
Authority
ES
Spain
Prior art keywords
magnet
rods
piece
self
control
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 - Lifetime
Application number
ES89308475T
Other languages
English (en)
Inventor
Alan John Dickinson
Peter Ward
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.)
British Gas PLC
Original Assignee
British Gas PLC
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
Priority claimed from GB888820767A external-priority patent/GB8820767D0/en
Priority claimed from GB888825393A external-priority patent/GB8825393D0/en
Application filed by British Gas PLC filed Critical British Gas PLC
Application granted granted Critical
Publication of ES2045453T3 publication Critical patent/ES2045453T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/024—Determining slope or direction of devices in the borehole
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/02—Determining slope or direction
    • E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
    • E21B47/0228—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor
    • E21B47/0232—Determining slope or direction of the borehole, e.g. using geomagnetism using electromagnetic energy or detectors therefor at least one of the energy sources or one of the detectors being located on or above the ground surface
    • 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
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor
    • 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
    • E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
    • 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
    • E21B7/26—Drilling without earth removal, e.g. with self-propelled burrowing devices
    • E21B7/267—Drilling devices with senders, e.g. radio-transmitters for position of drilling tool

Landscapes

  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Earth Drilling (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

SE ENERGIZA UNA PIEZA DE ACCION PERCUSIVA (10) MEDIANTE EL AIRE COMPRIMIDO SUMINISTRADO A TRAVES DE BARRAS HUECAS (36) EN UNA SARTA DE VARILLAS (12) CONECTADAS A LA PIEZA. UN MOTOR HIDRAULICO (18) HACE GIRAR LA SARTA DE VARILLAS Y LA PIEZA. LA CABEZA DE LA PIEZA (30) TIENE UNA CARA INCLINADA (32) Y UN IMAN PERMANENTE TRANSVERSAL (34). CADA VEZ QUE SE AÑADE UNA NUEVA VARILLA A LA SARTA, EL AIRE SE DETIENE PARA PARAR LA PIEZA QUE CONTINUA GIRANDO. LAS FLUCTUACIONES DE CAMPO DEL IMAN SE DETECTAN MEDIANTE UN MAGNETOMETRO (24) QUE UTILIZA SU SONDA EN TRES POSICIONES (50,52,54) DETERMINADAS POR UN ARMAZON TRIANGULAR (22) SITUADO EN EL SUELO. UNOS CALCULOS QUE UTILIZAN TRES LECTURAS QUE REPRESENTAN, CADA UNA DE ELLAS LA DISTANCIA DEL IMAN DESDE LA POSICION RESPECTIVA DEL ARMAZON, PROPORCIONAN LA POSICION Y LA PROFUNDIDAD DEL IMAN. UNA VEZ COMPLETADO, EL CONDUCTO (38) PUEDE SER ENSANCHADO EN SU DIAMETRO PARA RECIBIR UN CONDUCTO DE GAS U OTROS.
ES89308475T 1988-09-02 1989-08-22 Dispositivo para controlar la posicion de una herramienta de pperforacion auto-propulsada. Expired - Lifetime ES2045453T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB888820767A GB8820767D0 (en) 1988-09-02 1988-09-02 Moling method & system
GB888825393A GB8825393D0 (en) 1988-10-31 1988-10-31 Moling method & system

Publications (1)

Publication Number Publication Date
ES2045453T3 true ES2045453T3 (es) 1994-01-16

Family

ID=26294344

Family Applications (1)

Application Number Title Priority Date Filing Date
ES89308475T Expired - Lifetime ES2045453T3 (es) 1988-09-02 1989-08-22 Dispositivo para controlar la posicion de una herramienta de pperforacion auto-propulsada.

Country Status (6)

Country Link
US (1) US5002137A (es)
EP (1) EP0357314B1 (es)
JP (1) JPH0637825B2 (es)
CA (1) CA1332832C (es)
DE (1) DE68909355T2 (es)
ES (1) ES2045453T3 (es)

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US5646525A (en) * 1992-06-16 1997-07-08 Elbit Ltd. Three dimensional tracking system employing a rotating field
US5322391A (en) * 1992-09-01 1994-06-21 Foster-Miller, Inc. Guided mole
DE4309387C2 (de) * 1993-03-23 1999-04-08 Terra Ag Tiefbautechnik Rammbohrgerät
JP2583391B2 (ja) * 1993-09-21 1997-02-19 高千穂産業株式会社 掘進ヘッドの傾斜検出装置
US5350254A (en) * 1993-11-22 1994-09-27 Foster-Miller, Inc. Guided mole
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DE4432710C1 (de) * 1994-09-14 1996-04-11 Klemm Bohrtech Zielbohreinrichtung zum horizontalen Richtbohren
DE4433533C1 (de) * 1994-09-20 1995-11-23 Terra Ag Tiefbautechnik Rammbohrvorrichtung
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US7104319B2 (en) 2001-10-24 2006-09-12 Shell Oil Company In situ thermal processing of a heavy oil diatomite formation
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JP5357065B2 (ja) * 2010-01-08 2013-12-04 前田建設工業株式会社 削孔機における先端ビットの偏位方向検出装置及び削孔方法
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Also Published As

Publication number Publication date
DE68909355T2 (de) 1994-03-31
CA1332832C (en) 1994-11-01
JPH0637825B2 (ja) 1994-05-18
DE68909355D1 (de) 1993-10-28
EP0357314A3 (en) 1991-01-02
HK1006985A1 (en) 1999-03-26
EP0357314A2 (en) 1990-03-07
EP0357314B1 (en) 1993-09-22
US5002137A (en) 1991-03-26
JPH02176089A (ja) 1990-07-09

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