CA2081806A1 - Apparatus for drilling a curved subterranean borehole - Google Patents

Apparatus for drilling a curved subterranean borehole

Info

Publication number
CA2081806A1
CA2081806A1 CA002081806A CA2081806A CA2081806A1 CA 2081806 A1 CA2081806 A1 CA 2081806A1 CA 002081806 A CA002081806 A CA 002081806A CA 2081806 A CA2081806 A CA 2081806A CA 2081806 A1 CA2081806 A1 CA 2081806A1
Authority
CA
Canada
Prior art keywords
assembly
drilling
drill string
mandrel
imbalance force
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
CA002081806A
Other languages
French (fr)
Other versions
CA2081806C (en
Inventor
Tommy Melvin Warren
Houston Browning Ii Mount
Warren Jeffrey Winters
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.)
BP Corp North America Inc
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
Application filed by Individual filed Critical Individual
Publication of CA2081806A1 publication Critical patent/CA2081806A1/en
Application granted granted Critical
Publication of CA2081806C publication Critical patent/CA2081806C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/062—Deflecting the direction of boreholes the tool shaft rotating inside a non-rotating guide travelling with the shaft

Abstract

A curve drilling assembly operable with a rotary drill string is provided for drilling a curved subterranean borehole. The assembly includes a curve guide, a rotary drill bit, an imbalance force assembly, and a bearing assembly. The curve guide is connectable with the drill string for deflecting the drill string toward the outside radius of the curved borehole. The imbalance force assembly, which preferably is provided by selectably disposing cutting elements on the drill bit, is rotatable with the drill string for creating a net imbalance force along a net imbalance force vector substantially perpendicular to the longitudinal axis of the drill bit during drilling. The bearing assembly is rotatable with the drill string and is located in the curve drilling assembly near the cutting elements of the drill bit for intersecting a force plane formed by the longitudinal bit axis and the net imbalance force vector and for substantially continuously contacting the borehole wall during drilling.
Preferably, the boring assembly include. a substantially smooth wear-resistant sliding surface. The curve guide includes a mandrel rotatably disposed within a housing. It contact ring may be provided at either the uphole or the downhole end of the mandrel for contacting the borehole wall and supporting the radial force component created by the deflection of the drill string at the end of the mandrel. A flexible joint may be connected to the end of the mandrel adjacent the contact ring for drilling curved boreholes having a short radius of curvature.
CA002081806A 1991-11-01 1992-10-30 Apparatus for drilling a curved subterranean borehole Expired - Lifetime CA2081806C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US786,863 1985-10-11
US07/786,863 US5213168A (en) 1991-11-01 1991-11-01 Apparatus for drilling a curved subterranean borehole

Publications (2)

Publication Number Publication Date
CA2081806A1 true CA2081806A1 (en) 1993-05-02
CA2081806C CA2081806C (en) 2005-05-10

Family

ID=25139797

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002081806A Expired - Lifetime CA2081806C (en) 1991-11-01 1992-10-30 Apparatus for drilling a curved subterranean borehole

Country Status (4)

Country Link
US (1) US5213168A (en)
CA (1) CA2081806C (en)
MX (1) MX9206267A (en)
RU (1) RU2072419C1 (en)

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US7401665B2 (en) * 2004-09-01 2008-07-22 Schlumberger Technology Corporation Apparatus and method for drilling a branch borehole from an oil well
US7831419B2 (en) * 2005-01-24 2010-11-09 Smith International, Inc. PDC drill bit with cutter design optimized with dynamic centerline analysis having an angular separation in imbalance forces of 180 degrees for maximum time
GB0521693D0 (en) * 2005-10-25 2005-11-30 Reedhycalog Uk Ltd Representation of whirl in fixed cutter drill bits
US7654343B2 (en) * 2007-03-15 2010-02-02 Snow David T Deviated drilling method for water production
EP2167780A4 (en) * 2007-05-30 2015-11-11 Halliburton Energy Services Inc Rotary drill bit with gage pads having improved steerability and reduced wear
US8727036B2 (en) * 2007-08-15 2014-05-20 Schlumberger Technology Corporation System and method for drilling
US8763726B2 (en) * 2007-08-15 2014-07-01 Schlumberger Technology Corporation Drill bit gauge pad control
US8720604B2 (en) * 2007-08-15 2014-05-13 Schlumberger Technology Corporation Method and system for steering a directional drilling system
WO2009022115A1 (en) * 2007-08-15 2009-02-19 Schlumberger Technology B.V. System and method for controlling a drilling system for drilling a borehole in an earth formation
US7845430B2 (en) * 2007-08-15 2010-12-07 Schlumberger Technology Corporation Compliantly coupled cutting system
US8757294B2 (en) 2007-08-15 2014-06-24 Schlumberger Technology Corporation System and method for controlling a drilling system for drilling a borehole in an earth formation
US8534380B2 (en) 2007-08-15 2013-09-17 Schlumberger Technology Corporation System and method for directional drilling a borehole with a rotary drilling system
US8066085B2 (en) * 2007-08-15 2011-11-29 Schlumberger Technology Corporation Stochastic bit noise control
US7963348B2 (en) * 2007-10-11 2011-06-21 Smith International, Inc. Expandable earth boring apparatus using impregnated and matrix materials for enlarging a borehole
US20090133931A1 (en) * 2007-11-27 2009-05-28 Schlumberger Technology Corporation Method and apparatus for hydraulic steering of downhole rotary drilling systems
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RU2448231C1 (en) * 2010-11-03 2012-04-20 Вигдор Соломонович Будянский Controlled drilling layout
US9556679B2 (en) * 2011-08-19 2017-01-31 Precision Energy Services, Inc. Rotary steerable assembly inhibiting counterclockwise whirl during directional drilling
US9556677B2 (en) 2012-02-17 2017-01-31 Halliburton Energy Services, Inc. Directional drilling systems
US9500031B2 (en) 2012-11-12 2016-11-22 Aps Technology, Inc. Rotary steerable drilling apparatus
CA2921155C (en) * 2013-09-25 2018-07-17 Landmark Graphics Corporation Method and load analysis for multi-off-center tools
US9206649B1 (en) * 2014-06-24 2015-12-08 Pine Tree Gas, Llc Systems and methods for drilling wellbores having a short radius of curvature
US9932780B2 (en) * 2014-10-06 2018-04-03 Baker Hughes, A Ge Company, Llc Drill bit with extendable gauge pads
WO2016183219A1 (en) 2015-05-11 2016-11-17 Smith International, Inc. Method of testing cutting elements using intermittent cut of material
CN107060644B (en) * 2016-12-28 2018-12-21 中国石油大学(华东) A kind of wheel rotating state directional type rotary steering system and guiding control method
US10494876B2 (en) * 2017-08-03 2019-12-03 Baker Hughes, A Ge Company, Llc Earth-boring tools including rotatable bearing elements and related methods
WO2019045718A1 (en) * 2017-08-31 2019-03-07 Halliburton Energy Services, Inc. Push-the-bit bottom hole assembly with reamer
US10837234B2 (en) 2018-03-26 2020-11-17 Novatek Ip, Llc Unidirectionally extendable cutting element steering
US11002077B2 (en) 2018-03-26 2021-05-11 Schlumberger Technology Corporation Borehole cross-section steering
RU2771307C2 (en) * 2018-03-26 2022-04-29 НОВАТЕК АйПи, ЭлЭлСи Directional drilling by changing the cross section of the well bore
US10633923B2 (en) 2018-03-26 2020-04-28 Novatek Ip, Llc Slidable rod downhole steering
US11585305B2 (en) 2020-12-15 2023-02-21 Robert Bosch Gmbh Monolithic fuel rail structure and method of manufacture
CN115613974A (en) * 2021-07-16 2023-01-17 蓝土地能源技术有限公司 Flexible branch drilling tool

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Also Published As

Publication number Publication date
MX9206267A (en) 1993-05-01
CA2081806C (en) 2005-05-10
RU2072419C1 (en) 1997-01-27
US5213168A (en) 1993-05-25

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