WO2012047847A8 - Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools - Google Patents

Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools Download PDF

Info

Publication number
WO2012047847A8
WO2012047847A8 PCT/US2011/054707 US2011054707W WO2012047847A8 WO 2012047847 A8 WO2012047847 A8 WO 2012047847A8 US 2011054707 W US2011054707 W US 2011054707W WO 2012047847 A8 WO2012047847 A8 WO 2012047847A8
Authority
WO
WIPO (PCT)
Prior art keywords
earth
status indicators
boring tools
making
methods
Prior art date
Application number
PCT/US2011/054707
Other languages
French (fr)
Other versions
WO2012047847A1 (en
Inventor
Steven R. Radford
Khoi Q. Trinh
Original Assignee
Baker Hughes Incorporated
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 Baker Hughes Incorporated filed Critical Baker Hughes Incorporated
Priority to RU2013120089/03A priority Critical patent/RU2013120089A/en
Priority to CA 2813618 priority patent/CA2813618A1/en
Priority to MX2013003776A priority patent/MX2013003776A/en
Priority to BR112013008176A priority patent/BR112013008176A2/en
Priority to CN201180055074XA priority patent/CN103210169A/en
Priority to SG2013025119A priority patent/SG189263A1/en
Priority to EP11831423.6A priority patent/EP2625366A1/en
Publication of WO2012047847A1 publication Critical patent/WO2012047847A1/en
Publication of WO2012047847A8 publication Critical patent/WO2012047847A8/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Abstract

A status indicator for determining a position of an extendable member in an expandable apparatus. The status indicator is configured to decrease a cross-sectional area of a portion of a fluid path extending through an expandable causing a pressure of a fluid within the fluid path to increase when an extendable member of the expandable apparatus is in an extended position. By determining the pressure of the fluid within the fluid path, one can determine the position of the status indicator within the fluid path and thereby determine whether the extendable member of the expandable apparatus is in the extended or a retracted position.
PCT/US2011/054707 2010-10-04 2011-10-04 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools WO2012047847A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
RU2013120089/03A RU2013120089A (en) 2010-10-04 2011-10-04 STATUS INDICATORS FOR USE IN DRILLING DRILLING INSTRUMENTS CONTAINING EXTRACTING ELEMENTS, AND METHODS FOR PRODUCING AND USING SUCH STATE AND WELL DRILLING INDICATORS
CA 2813618 CA2813618A1 (en) 2010-10-04 2011-10-04 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools
MX2013003776A MX2013003776A (en) 2010-10-04 2011-10-04 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools.
BR112013008176A BR112013008176A2 (en) 2010-10-04 2011-10-04 status indicators for use in ground drilling tools having expandable limbs and methods of manufacturing and use of these status indicators and ground drilling tools
CN201180055074XA CN103210169A (en) 2010-10-04 2011-10-04 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools
SG2013025119A SG189263A1 (en) 2010-10-04 2011-10-04 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools
EP11831423.6A EP2625366A1 (en) 2010-10-04 2011-10-04 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38957810P 2010-10-04 2010-10-04
US61/389,578 2010-10-04

Publications (2)

Publication Number Publication Date
WO2012047847A1 WO2012047847A1 (en) 2012-04-12
WO2012047847A8 true WO2012047847A8 (en) 2012-11-29

Family

ID=45888819

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2011/054707 WO2012047847A1 (en) 2010-10-04 2011-10-04 Status indicators for use in earth-boring tools having expandable members and methods of making and using such status indicators and earth-boring tools

Country Status (10)

Country Link
US (2) US8939236B2 (en)
EP (1) EP2625366A1 (en)
CN (1) CN103210169A (en)
BR (1) BR112013008176A2 (en)
CA (1) CA2813618A1 (en)
MX (1) MX2013003776A (en)
RU (1) RU2013120089A (en)
SA (1) SA111320814B1 (en)
SG (1) SG189263A1 (en)
WO (1) WO2012047847A1 (en)

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Also Published As

Publication number Publication date
SA111320814B1 (en) 2014-10-16
US9725958B2 (en) 2017-08-08
RU2013120089A (en) 2014-11-20
MX2013003776A (en) 2013-12-02
CN103210169A (en) 2013-07-17
CA2813618A1 (en) 2012-04-12
WO2012047847A1 (en) 2012-04-12
US20150114715A1 (en) 2015-04-30
BR112013008176A2 (en) 2016-06-21
SG189263A1 (en) 2013-05-31
EP2625366A1 (en) 2013-08-14
US8939236B2 (en) 2015-01-27
US20120080228A1 (en) 2012-04-05

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