EA200400240A1 - Система для регулирования рабочих давлений в подземной буровой скважине - Google Patents

Система для регулирования рабочих давлений в подземной буровой скважине

Info

Publication number
EA200400240A1
EA200400240A1 EA200400240A EA200400240A EA200400240A1 EA 200400240 A1 EA200400240 A1 EA 200400240A1 EA 200400240 A EA200400240 A EA 200400240A EA 200400240 A EA200400240 A EA 200400240A EA 200400240 A1 EA200400240 A1 EA 200400240A1
Authority
EA
Eurasian Patent Office
Prior art keywords
operating pressure
drilling hole
pressure
underground drilling
regulating operating
Prior art date
Application number
EA200400240A
Other languages
English (en)
Other versions
EA005470B1 (ru
Inventor
Линго Чанг
Роджер Сутер
Алан Беркхард
Original Assignee
М-Ай Л.Л.С.
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 М-Ай Л.Л.С. filed Critical М-Ай Л.Л.С.
Publication of EA200400240A1 publication Critical patent/EA200400240A1/ru
Publication of EA005470B1 publication Critical patent/EA005470B1/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
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Feedback Control In General (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Control Of Fluid Pressure (AREA)
  • Measuring Fluid Pressure (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Flow Control (AREA)

Abstract

Система осуществляет мониторинг рабочих давлений в трубчатом элементе (18) и сравнение фактического рабочего давления с заданным рабочим давлением. После этого разница между фактическим и заданным рабочим давлением обрабатывается для управления работой автоматического штуцера (102), чтобы тем самым обеспечить регулируемый выпуск находящихся под давлением флюидальных материалов из кольцевого пространства (24) между трубчатым элементом (18) и стенкой ствола (12) скважины, в результате чего создается противодавление в стволе скважины.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200400240A 2001-07-31 2002-07-22 Система для регулирования рабочих давлений в подземной буровой скважине EA005470B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/918,929 US6575244B2 (en) 2001-07-31 2001-07-31 System for controlling the operating pressures within a subterranean borehole
PCT/US2002/023068 WO2003012243A1 (en) 2001-07-31 2002-07-22 System for controlling the operating pressures within a subterranean borehole

Publications (2)

Publication Number Publication Date
EA200400240A1 true EA200400240A1 (ru) 2004-08-26
EA005470B1 EA005470B1 (ru) 2005-02-24

Family

ID=25441182

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200400240A EA005470B1 (ru) 2001-07-31 2002-07-22 Система для регулирования рабочих давлений в подземной буровой скважине

Country Status (14)

Country Link
US (1) US6575244B2 (ru)
EP (1) EP1421253B1 (ru)
AT (1) ATE391223T1 (ru)
BR (2) BRPI0211874B1 (ru)
CA (1) CA2455698C (ru)
DE (1) DE60225923T2 (ru)
DK (1) DK1421253T3 (ru)
EA (1) EA005470B1 (ru)
ES (1) ES2302834T3 (ru)
MX (1) MXPA04000883A (ru)
NO (1) NO326093B1 (ru)
PT (1) PT1421253E (ru)
SA (1) SA02230422B1 (ru)
WO (1) WO2003012243A1 (ru)

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US8727037B1 (en) 2009-12-14 2014-05-20 David E. Mouton Well control operational and training aid
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Also Published As

Publication number Publication date
NO326093B1 (no) 2008-09-22
US20030024737A1 (en) 2003-02-06
PT1421253E (pt) 2008-06-16
WO2003012243A1 (en) 2003-02-13
BRPI0211874B1 (pt) 2018-03-13
EA005470B1 (ru) 2005-02-24
EP1421253A4 (en) 2005-04-20
BR0211874A (pt) 2004-09-21
US6575244B2 (en) 2003-06-10
NO20040509L (no) 2004-03-29
EP1421253B1 (en) 2008-04-02
ATE391223T1 (de) 2008-04-15
DK1421253T3 (da) 2008-07-28
DE60225923D1 (de) 2008-05-15
SA02230422B1 (ar) 2007-01-20
ES2302834T3 (es) 2008-08-01
CA2455698A1 (en) 2003-02-13
CA2455698C (en) 2010-10-26
DE60225923T2 (de) 2009-04-16
MXPA04000883A (es) 2004-06-03
EP1421253A1 (en) 2004-05-26

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Legal Events

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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