AU2001275759A1 - Activating ball assembly for use with a by-pass tool in a drill string - Google Patents

Activating ball assembly for use with a by-pass tool in a drill string

Info

Publication number
AU2001275759A1
AU2001275759A1 AU2001275759A AU7575901A AU2001275759A1 AU 2001275759 A1 AU2001275759 A1 AU 2001275759A1 AU 2001275759 A AU2001275759 A AU 2001275759A AU 7575901 A AU7575901 A AU 7575901A AU 2001275759 A1 AU2001275759 A1 AU 2001275759A1
Authority
AU
Australia
Prior art keywords
ball
pass
valve seat
tool
activating
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.)
Abandoned
Application number
AU2001275759A
Inventor
Paul Bernard Lee
William Mclean Orr
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.)
Individual
Original Assignee
Individual
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 GB0019800A external-priority patent/GB0019800D0/en
Priority claimed from GB0021913A external-priority patent/GB0021913D0/en
Application filed by Individual filed Critical Individual
Publication of AU2001275759A1 publication Critical patent/AU2001275759A1/en
Abandoned 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
    • E21B34/142—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools unsupported or free-falling elements, e.g. balls, plugs, darts or pistons
    • 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
    • E21B21/103—Down-hole by-pass valve arrangements, i.e. between the inside of the drill string and the annulus

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Pens And Brushes (AREA)
  • Gripping On Spindles (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Communication Cables (AREA)
  • Taps Or Cocks (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)
  • Closures For Containers (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)

Abstract

A by-pass tool to be incorporated in a drill string, in combination with an activating ball assembly operative to adjust the tool between an activated mode and a de-activated mode. The tool has a valve seat engageable by the activating ball assembly to move its sleeve to a by-pass mode which diverts drilling mud from flowing through the housing to a by-pass flow through the by-pass port. The activating ball assembly has a deformable ball of a size sufficient to engage and to be held captive by the salve seat and a weight attached to the ball and operative to assist in movement of the assembly under the action of gravity to engage the ball with the valve seat. The weight has smaller transverse dimensions that the ball so that it moves downwardly through the valve seat and pulls the ball into engagement with the valve seat.
AU2001275759A 2000-08-12 2001-08-02 Activating ball assembly for use with a by-pass tool in a drill string Abandoned AU2001275759A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB0019800 2000-08-12
GB0019800A GB0019800D0 (en) 2000-08-12 2000-08-12 Activating ball assembly for use with a by-pass tool in a drill string
GB0021913 2000-09-07
GB0021913A GB0021913D0 (en) 2000-09-07 2000-09-07 Activating ball assembly for use with a by-pass tool in a drill string
PCT/GB2001/003492 WO2002014650A1 (en) 2000-08-12 2001-08-02 Activating ball assembly for use with a by-pass tool in a drill string

Publications (1)

Publication Number Publication Date
AU2001275759A1 true AU2001275759A1 (en) 2002-02-25

Family

ID=26244826

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001275759A Abandoned AU2001275759A1 (en) 2000-08-12 2001-08-02 Activating ball assembly for use with a by-pass tool in a drill string

Country Status (6)

Country Link
US (1) US6923255B2 (en)
EP (1) EP1307633B1 (en)
AT (1) ATE341697T1 (en)
AU (1) AU2001275759A1 (en)
DE (1) DE60123630T2 (en)
WO (1) WO2002014650A1 (en)

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USRE42877E1 (en) 2003-02-07 2011-11-01 Weatherford/Lamb, Inc. Methods and apparatus for wellbore construction and completion
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US7360594B2 (en) 2003-03-05 2008-04-22 Weatherford/Lamb, Inc. Drilling with casing latch
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US8668012B2 (en) 2011-02-10 2014-03-11 Halliburton Energy Services, Inc. System and method for servicing a wellbore
US8695710B2 (en) 2011-02-10 2014-04-15 Halliburton Energy Services, Inc. Method for individually servicing a plurality of zones of a subterranean formation
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US9121248B2 (en) * 2011-03-16 2015-09-01 Raymond Hofman Downhole system and apparatus incorporating valve assembly with resilient deformable engaging element
US20130068475A1 (en) * 2011-03-16 2013-03-21 Raymond Hofman Multistage Production System Incorporating Valve Assembly With Collapsible or Expandable C-Ring
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US8662178B2 (en) 2011-09-29 2014-03-04 Halliburton Energy Services, Inc. Responsively activated wellbore stimulation assemblies and methods of using the same
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US9765595B2 (en) 2011-10-11 2017-09-19 Packers Plus Energy Services Inc. Wellbore actuators, treatment strings and methods
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US9133682B2 (en) 2012-04-11 2015-09-15 MIT Innovation Sdn Bhd Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus
EP3875731B1 (en) 2012-04-11 2024-03-06 MIT Innovation Sdn Bhd Apparatus and method to remotely control fluid flow in tubular strings and wellbore annulus
US9404326B2 (en) 2012-04-13 2016-08-02 Saudi Arabian Oil Company Downhole tool for use in a drill string
US8991509B2 (en) 2012-04-30 2015-03-31 Halliburton Energy Services, Inc. Delayed activation activatable stimulation assembly
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Also Published As

Publication number Publication date
ATE341697T1 (en) 2006-10-15
DE60123630D1 (en) 2006-11-16
US6923255B2 (en) 2005-08-02
DE60123630T2 (en) 2007-09-13
EP1307633A1 (en) 2003-05-07
EP1307633B1 (en) 2006-10-04
WO2002014650A8 (en) 2002-05-16
WO2002014650A1 (en) 2002-02-21
US20040011566A1 (en) 2004-01-22

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