NO20084838L - Borestreng-volumkontrollventil og fremgangsmater - Google Patents

Borestreng-volumkontrollventil og fremgangsmater

Info

Publication number
NO20084838L
NO20084838L NO20084838A NO20084838A NO20084838L NO 20084838 L NO20084838 L NO 20084838L NO 20084838 A NO20084838 A NO 20084838A NO 20084838 A NO20084838 A NO 20084838A NO 20084838 L NO20084838 L NO 20084838L
Authority
NO
Norway
Prior art keywords
drill string
volume control
valve sleeve
string volume
control valves
Prior art date
Application number
NO20084838A
Other languages
English (en)
Norwegian (no)
Inventor
Luc De Boer
Original Assignee
Dual Gradient Systems 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 Dual Gradient Systems Llc filed Critical Dual Gradient Systems Llc
Publication of NO20084838L publication Critical patent/NO20084838L/no

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
    • E21B21/10—Valve arrangements in drilling-fluid 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
    • 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
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Lift Valve (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Earth Drilling (AREA)
NO20084838A 2006-04-21 2008-11-18 Borestreng-volumkontrollventil og fremgangsmater NO20084838L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79388306P 2006-04-21 2006-04-21
PCT/US2007/009737 WO2007124097A2 (fr) 2006-04-21 2007-04-20 Soupapes de commande de débit de train de tiges de forage et procédés

Publications (1)

Publication Number Publication Date
NO20084838L true NO20084838L (no) 2008-11-18

Family

ID=38625635

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20084838A NO20084838L (no) 2006-04-21 2008-11-18 Borestreng-volumkontrollventil og fremgangsmater

Country Status (6)

Country Link
US (1) US7584801B2 (fr)
CA (1) CA2649910C (fr)
GB (1) GB2451029B (fr)
MX (1) MX2008013598A (fr)
NO (1) NO20084838L (fr)
WO (1) WO2007124097A2 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8066079B2 (en) 2006-04-21 2011-11-29 Dual Gradient Systems, L.L.C. Drill string flow control valves and methods
GB2457497B (en) 2008-02-15 2012-08-08 Pilot Drilling Control Ltd Flow stop valve
US8276677B2 (en) 2008-11-26 2012-10-02 Baker Hughes Incorporated Coiled tubing bottom hole assembly with packer and anchor assembly
AU2009351364B2 (en) * 2009-08-18 2014-06-05 Pilot Drilling Control Limited Flow stop valve
CA2787003A1 (fr) 2010-01-12 2011-07-21 Luc De Boer Vanne de commande d'ecoulement de train de tiges de forage et procedes d'utilisation
EP2547857B1 (fr) * 2010-03-19 2018-09-12 Noetic Technologies Inc. Outil de gestion de fluide de remplissage de tubage
US9243464B2 (en) 2011-02-10 2016-01-26 Baker Hughes Incorporated Flow control device and methods for using same
NO337583B1 (no) * 2011-09-05 2016-05-09 Interwell As Fluidaktivert sirkuleringsventil
US9328575B2 (en) 2012-01-31 2016-05-03 Weatherford Technology Holdings, Llc Dual gradient managed pressure drilling
WO2016148964A1 (fr) 2015-03-13 2016-09-22 M-I L.L.C. Optimisation de taux de pénétration d'ensemble de forage
US10794135B2 (en) * 2017-04-03 2020-10-06 Charles Abernethy Anderson Differential pressure actuation tool and method of use
US10443345B2 (en) * 2017-05-01 2019-10-15 Comitt Well Solutions LLC Methods and systems for a complementary valve
CA3065187A1 (fr) * 2017-06-12 2018-12-20 Ameriforge Group Inc. Systeme et procede de forage a double gradient
WO2019094083A1 (fr) * 2017-11-07 2019-05-16 Geodynamics, Inc. Dispositif et procédé d'ouverture et d'arrêt d'une vanne d'extrémité
CN109208580B (zh) * 2018-10-26 2023-11-07 中国电建集团中南勘测设计研究院有限公司 一种孔口封闭器及钻灌装置
CN109930998A (zh) * 2019-05-07 2019-06-25 刘伟 一种pdc钻头破岩工具

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US84607A (en) * 1868-12-01 Improvement in steam-generators
US5174392A (en) * 1991-11-21 1992-12-29 Reinhardt Paul A Mechanically actuated fluid control device for downhole fluid motor
US5924490A (en) * 1997-09-09 1999-07-20 Stone; Roger K. Well treatment tool and method of using the same
US6263981B1 (en) * 1997-09-25 2001-07-24 Shell Offshore Inc. Deepwater drill string shut-off valve system and method for controlling mud circulation
US6401823B1 (en) * 2000-02-09 2002-06-11 Shell Oil Company Deepwater drill string shut-off
US7624792B2 (en) * 2005-10-19 2009-12-01 Halliburton Energy Services, Inc. Shear activated safety valve system

Also Published As

Publication number Publication date
US20070246265A1 (en) 2007-10-25
GB0819379D0 (en) 2008-12-03
CA2649910C (fr) 2014-02-11
US7584801B2 (en) 2009-09-08
GB2451029A (en) 2009-01-14
CA2649910A1 (fr) 2007-11-01
GB2451029B (en) 2011-04-06
WO2007124097A3 (fr) 2008-02-21
MX2008013598A (es) 2009-02-20
WO2007124097A2 (fr) 2007-11-01

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application