CA2362209A1 - Drilling method - Google Patents

Drilling method Download PDF

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Publication number
CA2362209A1
CA2362209A1 CA002362209A CA2362209A CA2362209A1 CA 2362209 A1 CA2362209 A1 CA 2362209A1 CA 002362209 A CA002362209 A CA 002362209A CA 2362209 A CA2362209 A CA 2362209A CA 2362209 A1 CA2362209 A1 CA 2362209A1
Authority
CA
Canada
Prior art keywords
formation
pressure
fluid
drilling
drilling fluid
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.)
Granted
Application number
CA002362209A
Other languages
French (fr)
Other versions
CA2362209C (en
Inventor
Peter Barnes Moyes
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.)
Petroline Wellsystems Ltd
Original Assignee
Weatherford/Lamb, Inc.
Peter Barnes Moyes
Petroline Wellsystems Limited
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 Weatherford/Lamb, Inc., Peter Barnes Moyes, Petroline Wellsystems Limited filed Critical Weatherford/Lamb, Inc.
Publication of CA2362209A1 publication Critical patent/CA2362209A1/en
Application granted granted Critical
Publication of CA2362209C publication Critical patent/CA2362209C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • 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
    • E21B21/085—Underbalanced techniques, i.e. where borehole fluid pressure is below formation 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems

Abstract

A drilling method in which a rotary drill bit is mounted on a tubular drillstring (32) extending through a bore comprises:
drilling through a formation (33) containing fluid at a predetermined pressure; circulating drilling fluid down through the drill string (32) to exit the string at or adjacent the bit, and then upwards through an annulus (50) between the string and bore wall; and adding energy to the drilling fluid in the annulus at a location above the formation (33). The addition of energy to the fluid in the annulus (50) has the effect that the pressure of the drilling fluid above the formation (33) may be higher than the pressure of the drilling fluid in communication with the formation and that predetermined differential may be created between the pressure of the formation fluid and the pressure of the drilling fluid in communication with the formation.
CA002362209A 1999-02-25 2000-02-25 Drilling method Expired - Fee Related CA2362209C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9904380.4A GB9904380D0 (en) 1999-02-25 1999-02-25 Drilling method
GB9904380.4 1999-02-25
PCT/GB2000/000642 WO2000050731A1 (en) 1999-02-25 2000-02-25 Drilling method

Publications (2)

Publication Number Publication Date
CA2362209A1 true CA2362209A1 (en) 2000-08-31
CA2362209C CA2362209C (en) 2007-07-10

Family

ID=10848511

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002362209A Expired - Fee Related CA2362209C (en) 1999-02-25 2000-02-25 Drilling method

Country Status (8)

Country Link
US (3) US6719071B1 (en)
EP (1) EP1155216B1 (en)
AU (1) AU2682700A (en)
CA (1) CA2362209C (en)
DE (1) DE60017367D1 (en)
GB (1) GB9904380D0 (en)
NO (1) NO317534B1 (en)
WO (1) WO2000050731A1 (en)

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WO2003006778A1 (en) * 2001-07-09 2003-01-23 Baker Hughes Inc Drilling system and method for controlling equivalent circulating density during drilling of wellbores
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US8689878B2 (en) 2012-01-03 2014-04-08 Baker Hughes Incorporated Junk basket with self clean assembly and methods of using same
US9080401B2 (en) 2012-04-25 2015-07-14 Baker Hughes Incorporated Fluid driven pump for removing debris from a wellbore and methods of using same
US8973662B2 (en) 2012-06-21 2015-03-10 Baker Hughes Incorporated Downhole debris removal tool capable of providing a hydraulic barrier and methods of using same
WO2014078663A2 (en) * 2012-11-15 2014-05-22 Foro Energy, Inc. High power laser hydraulic fructuring, stimulation, tools systems and methods
US9228414B2 (en) 2013-06-07 2016-01-05 Baker Hughes Incorporated Junk basket with self clean assembly and methods of using same
US9416626B2 (en) 2013-06-21 2016-08-16 Baker Hughes Incorporated Downhole debris removal tool and methods of using same
GB2530925B (en) 2013-07-16 2020-01-29 Halliburton Energy Services Inc Downhole tool and method to boost fluid pressure and annular velocity
US20170254154A1 (en) * 2014-10-30 2017-09-07 Mohamed Hussien Nohamed El-Neiri Dynamic Underbalanced Drilling technique
US9840871B2 (en) * 2014-12-08 2017-12-12 Rubber Specialists Land Acquisition, LLC Downhole mud motor
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CN110374528B (en) * 2019-07-29 2023-09-29 中海石油(中国)有限公司湛江分公司 Drilling fluid injection device for reducing ECD in deep water drilling
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Also Published As

Publication number Publication date
US20070068705A1 (en) 2007-03-29
NO20013584L (en) 2001-09-20
AU2682700A (en) 2000-09-14
EP1155216A1 (en) 2001-11-21
CA2362209C (en) 2007-07-10
NO20013584D0 (en) 2001-07-20
US6719071B1 (en) 2004-04-13
US6968911B2 (en) 2005-11-29
WO2000050731A1 (en) 2000-08-31
US7395877B2 (en) 2008-07-08
US20040188145A1 (en) 2004-09-30
DE60017367D1 (en) 2005-02-17
GB9904380D0 (en) 1999-04-21
EP1155216B1 (en) 2005-01-12
NO317534B1 (en) 2004-11-08

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Legal Events

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EEER Examination request
MKLA Lapsed

Effective date: 20180226