EA200702519A1 - Устройство и способ извлечения обломков из скважины - Google Patents

Устройство и способ извлечения обломков из скважины

Info

Publication number
EA200702519A1
EA200702519A1 EA200702519A EA200702519A EA200702519A1 EA 200702519 A1 EA200702519 A1 EA 200702519A1 EA 200702519 A EA200702519 A EA 200702519A EA 200702519 A EA200702519 A EA 200702519A EA 200702519 A1 EA200702519 A1 EA 200702519A1
Authority
EA
Eurasian Patent Office
Prior art keywords
main
chamber
channel
flow
restrictor
Prior art date
Application number
EA200702519A
Other languages
English (en)
Other versions
EA011806B1 (ru
Inventor
Джордж Телфер
Original Assignee
Спешилайзд Петролеум Сервисиз Груп Лимитед
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.)
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Application filed by Спешилайзд Петролеум Сервисиз Груп Лимитед filed Critical Спешилайзд Петролеум Сервисиз Груп Лимитед
Publication of EA200702519A1 publication Critical patent/EA200702519A1/ru
Publication of EA011806B1 publication Critical patent/EA011806B1/ru

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B31/00—Fishing for or freeing objects in boreholes or wells
    • E21B31/08—Fishing for or freeing objects in boreholes or wells using junk baskets or the like
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/0078—Nozzles used in boreholes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Earth Drilling (AREA)
  • Cyclones (AREA)
  • External Artificial Organs (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)

Abstract

Раскрыто устройство (12), предназначенное для извлечения обломков из скважины. В одном варианте исполнения устройство содержит продолговатый корпус (20), главный канал (22), проходящий вдоль части длины корпуса, по которому жидкость проходит в устройство, отверстие (24), обращенное к нижнему концу корпуса, главную камеру для жидкости (28) в корпусе, сообщенную с главным каналом, ограничитель потока (30), расположенный в главном канале, через который жидкость проходит из главного канала в главную камеру, по меньшей мере один выпуск камеры (32) для направления жидкости из главной камеры в кольцевое пространство, образованное между корпусом и стенкой ствола скважины, канал (40) для обратного потока, проходящий между отверстием корпуса и главной камерой для обратного потока жидкости из кольцевого пространства в главную камеру, для облегчения извлечения обломков из скважины и по меньшей мере один выход (44) для потока жидкости, возвращенного в главную камеру по каналу для обратного потока. При использовании, поток жидкости, проходящий через главный канал, ускоряется при прохождении через ограничитель таким образом, что давление жидкости, выпускаемой из ограничителя, является меньшим, чем давление в месте, находящемся выше по потоку от ограничителя, для всасывания части жидкости, возвращенной в главную камеру по каналу для обратного потока, и направления ее в и через выпуск камеры, таким образом понуждая к рециркуляции упомянутой части жидкости в кольцевом канале. Этим способствуют извлечению обломков из скважины.
EA200702519A 2005-05-17 2006-05-12 Устройство и способ извлечения обломков из скважины EA011806B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0509962.7A GB0509962D0 (en) 2005-05-17 2005-05-17 Device and method for retrieving debris from a well
PCT/GB2006/001752 WO2006123109A1 (en) 2005-05-17 2006-05-12 Device and method for retrieving debris from a well

Publications (2)

Publication Number Publication Date
EA200702519A1 true EA200702519A1 (ru) 2008-04-28
EA011806B1 EA011806B1 (ru) 2009-06-30

Family

ID=34708239

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200702519A EA011806B1 (ru) 2005-05-17 2006-05-12 Устройство и способ извлечения обломков из скважины

Country Status (7)

Country Link
US (1) US7992636B2 (ru)
CA (1) CA2608292C (ru)
EA (1) EA011806B1 (ru)
GB (1) GB0509962D0 (ru)
MX (1) MX2007014365A (ru)
NO (1) NO339389B1 (ru)
WO (1) WO2006123109A1 (ru)

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Also Published As

Publication number Publication date
US7992636B2 (en) 2011-08-09
NO339389B1 (no) 2016-12-05
MX2007014365A (es) 2008-02-06
CA2608292A1 (en) 2006-11-23
NO20076440L (no) 2008-02-13
US20090126933A1 (en) 2009-05-21
CA2608292C (en) 2013-09-24
WO2006123109A1 (en) 2006-11-23
GB0509962D0 (en) 2005-06-22
EA011806B1 (ru) 2009-06-30

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM BY KG MD TJ TM

MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AZ KZ RU