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RU2011129565A - HYBRID DRILL BIT WITH A GREAT RATIO OF GUIDE PIN AND DUCT DIAMETERS - Google Patents

HYBRID DRILL BIT WITH A GREAT RATIO OF GUIDE PIN AND DUCT DIAMETERS Download PDF

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Publication number
RU2011129565A
RU2011129565A RU2011129565/03A RU2011129565A RU2011129565A RU 2011129565 A RU2011129565 A RU 2011129565A RU 2011129565/03 A RU2011129565/03 A RU 2011129565/03A RU 2011129565 A RU2011129565 A RU 2011129565A RU 2011129565 A RU2011129565 A RU 2011129565A
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RU
Russia
Prior art keywords
guide pin
center line
shank
diameter
drill bit
Prior art date
Application number
RU2011129565/03A
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Russian (ru)
Other versions
RU2541414C2 (en
Inventor
Дон К. НГУЭН
Антон Ф. ЗАХРАДНИК
Рудолф С. ПЕССИР
Original Assignee
Бейкер Хьюз Инкорпорейтед
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Publication of RU2011129565A publication Critical patent/RU2011129565A/en
Application granted granted Critical
Publication of RU2541414C2 publication Critical patent/RU2541414C2/en

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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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type
    • 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

1. Гибридное буровое долото для использования в бурении подземных пород, включающее:хвостовик, расположенный вокруг продольной осевой линии и приспособленный для соединения с буровой колонной;по меньшей мере две опоры фиксированных резцов, соединенные с хвостовиком;по меньшей мере две фиксированные режущие лопасти, жестко соединенные с опорами резцов на удалении от хвостовика и включающие несколько режущих элементов, отходящих от поверхности лопастей;по меньшей мере две лапы усеченно-конусной шарошки, прикрепленные к хвостовику и включающие оси с центральной линией, содержащие цапфу, расположенную вокруг этой центральной линии оси и имеющую диаметр цапфы, и направляющий штифт, соединенный с цапфой и отходящий вдоль центральной линии оси в сторону продольной осевой линии, причем отношение диаметра направляющего штифта к диаметру цапфы равно или более 0,58; ипо меньшей мере два узла усеченно-конусной шарошки, прикрепленные к лапам усеченно-конусных шарошек на удалении от хвостовика и вблизи к фиксированным режущим лопастям с возможностью вращения на цапфе и направляющем штифте относительно хвостовика вокруг центральной линии оси, при этом узлы шарошек содержат отстоящие от их поверхности режущие элементы.2. Гибридное буровое долото по п.1, в котором отношение диаметра направляющего штифта к диаметру цапфы равно или более 0,58 и менее или равно 1,0.3. Гибридное буровое долото по п.1, дополнительно включающее подшипник, расположенный вокруг цапфы, направляющего штифта или их комбинации, и имеющий отрезок поверхности зацепления вдоль центральной линии оси с цапфой, направляющим штифтом или их комбинацией.4. Гиб�1. Hybrid drill bit for use in underground drilling, including: a shank located around a longitudinal center line and adapted to be connected to the drill string; at least two fixed cutter bearings connected to the shank; at least two fixed cutting blades, rigidly connected to the supports of the cutters far from the shank and including several cutting elements extending from the surface of the blades; at least two legs of a truncated-conical cone attached to the shank and on axes with a center line, comprising a trunnion located around this center line of the axis and having a trunnion diameter, and a guide pin connected to the trunnion and extending along the center line of the axis toward the longitudinal axial line, wherein the ratio of the diameter of the turntable pin to the trunnion diameter is equal to or more 0.58; and at least two truncated cone cone nodes attached to the legs of the truncated cone cone far from the shank and close to the fixed cutting blades with the possibility of rotation on the axle and guide pin relative to the shank around the center line of the axis, while the cone nodes are spaced apart from them surface cutting elements. 2. The hybrid drill bit according to claim 1, wherein the ratio of the diameter of the guide pin to the diameter of the pin is equal to or more than 0.58 and less than or equal to 1.0.3. The hybrid drill bit according to claim 1, further comprising a bearing located around the journal, guide pin, or combinations thereof, and having a segment of the engagement surface along the center line of the axis with the journal, guide pin, or a combination thereof. Bib

Claims (13)

1. Гибридное буровое долото для использования в бурении подземных пород, включающее:1. Hybrid drill bit for use in underground drilling, including: хвостовик, расположенный вокруг продольной осевой линии и приспособленный для соединения с буровой колонной;a shank located around the longitudinal center line and adapted to be connected to the drill string; по меньшей мере две опоры фиксированных резцов, соединенные с хвостовиком;at least two supports of fixed incisors connected to the shank; по меньшей мере две фиксированные режущие лопасти, жестко соединенные с опорами резцов на удалении от хвостовика и включающие несколько режущих элементов, отходящих от поверхности лопастей;at least two fixed cutting blades rigidly connected to the supports of the cutters at a distance from the shank and including several cutting elements extending from the surface of the blades; по меньшей мере две лапы усеченно-конусной шарошки, прикрепленные к хвостовику и включающие оси с центральной линией, содержащие цапфу, расположенную вокруг этой центральной линии оси и имеющую диаметр цапфы, и направляющий штифт, соединенный с цапфой и отходящий вдоль центральной линии оси в сторону продольной осевой линии, причем отношение диаметра направляющего штифта к диаметру цапфы равно или более 0,58; иat least two legs of a truncated-conical cone attached to the shank and including axes with a central line, containing a trunnion located around this center line of the axis and having a trunnion diameter, and a guide pin connected to the trunnion and extending along the center line of the axis towards the longitudinal an axial line, wherein the ratio of the diameter of the guide pin to the diameter of the pin is equal to or more than 0.58; and по меньшей мере два узла усеченно-конусной шарошки, прикрепленные к лапам усеченно-конусных шарошек на удалении от хвостовика и вблизи к фиксированным режущим лопастям с возможностью вращения на цапфе и направляющем штифте относительно хвостовика вокруг центральной линии оси, при этом узлы шарошек содержат отстоящие от их поверхности режущие элементы.at least two truncated cone cone nodes attached to the legs of the truncated cone cones far from the shank and close to the fixed cutting blades with the possibility of rotation on the axle and guide pin relative to the shank around the center line of the axis, while the cone nodes are spaced apart from them surface cutting elements. 2. Гибридное буровое долото по п.1, в котором отношение диаметра направляющего штифта к диаметру цапфы равно или более 0,58 и менее или равно 1,0.2. The hybrid drill bit according to claim 1, wherein the ratio of the diameter of the guide pin to the diameter of the pin is equal to or more than 0.58 and less than or equal to 1.0. 3. Гибридное буровое долото по п.1, дополнительно включающее подшипник, расположенный вокруг цапфы, направляющего штифта или их комбинации, и имеющий отрезок поверхности зацепления вдоль центральной линии оси с цапфой, направляющим штифтом или их комбинацией.3. The hybrid drill bit according to claim 1, further comprising a bearing located around the journal, guide pin, or combinations thereof, and having a segment of the engagement surface along the center line of the axis with the journal, guide pin, or a combination thereof. 4. Гибридное буровое долото по п.3, в котором отношение диаметра направляющего штифта к диаметру цапфы рассчитано с учетом подшипника на цапфе, направляющем штифте или их комбинации.4. The hybrid drill bit according to claim 3, in which the ratio of the diameter of the guide pin to the diameter of the pin is calculated taking into account the bearing on the pin, guide pin or a combination thereof. 5. Гибридное буровое долото по п.1, в котором узлы усеченно-конусных шарошек включают срезанную носовую секцию.5. The hybrid drill bit according to claim 1, in which the nodes of the truncated-conical cones include a cut nose section. 6. Гибридное буровое долото по п.1, в котором направляющий штифт имеет поверхность упора, перпендикулярную центральной линии оси.6. The hybrid drill bit according to claim 1, in which the guide pin has a stop surface perpendicular to the center line of the axis. 7. Гибридное буровое долото по п.1, в котором центральная линия оси расположена под углом от равного или превышающего 51° до меньшего или равного 59° относительно продольной осевой линии хвостовика.7. The hybrid drill bit according to claim 1, in which the center line of the axis is located at an angle from equal to or greater than 51 ° to less than or equal to 59 ° relative to the longitudinal center line of the shank. 8. Гибридное буровое долото для использования в бурении подземных пород, включающее:8. Hybrid drill bit for use in underground drilling, including: хвостовик, расположенный вокруг продольной осевой линии и приспособленный для соединения с буровой колонной;a shank located around the longitudinal center line and adapted to be connected to the drill string; по меньшей мере две опоры фиксированных резцов, соединенные с хвостовиком;at least two supports of fixed incisors connected to the shank; по меньшей мере две фиксированные режущие лопасти, жестко соединенные с опорами резцов на удалении от хвостовика, включающие несколько режущих элементов, отходящих от поверхности лопастей; иat least two fixed cutting blades rigidly connected to the supports of the cutters at a distance from the shank, including several cutting elements extending from the surface of the blades; and по меньшей мере две лапы усеченно-конусной шарошки, прикрепленные к хвостовику и включающие ось с центральной линией оси, содержащую цапфу, расположенную вокруг центральной линии оси и имеющую диаметр цапфы, и направляющий штифт, соединенный с цапфой и отходящий вдоль центральной линии оси в сторону продольной осевой линии, причем отношение диаметра направляющего штифта к диаметру цапфы равно или более 0,58.at least two legs of a truncated-conical cone attached to the shank and including an axis with a central axis line containing a pin located around the center line of the axis and having a pin diameter and a guide pin connected to the pin and extending along the center line of the axis toward the longitudinal an axial line, wherein the ratio of the diameter of the guide pin to the diameter of the pin is equal to or more than 0.58. 9. Гибридное буровое долото по п.8, в котором отношение диаметра направляющего штифта к диаметру цапфы равно или более 0,58 и менее или равно 1,0.9. The hybrid drill bit of claim 8, in which the ratio of the diameter of the guide pin to the diameter of the journal is equal to or more than 0.58 and less than or equal to 1.0. 10. Гибридное буровое долото по п.8, дополнительно включающее подшипник, расположенный вокруг цапфы, направляющего штифта или их комбинации, и включающий отрезок поверхности зацепления вдоль центральной линии оси с цапфой, направляющим штифтом или их комбинацией.10. The hybrid drill bit of claim 8, further comprising a bearing located around the journal, guide pin, or combinations thereof, and including a segment of the engagement surface along the center line of the axis with the journal, guide pin, or a combination thereof. 11. Гибридное буровое долото по п.8, в котором отношение диаметра направляющего штифта к диаметру цапфы рассчитано с учетом подшипника на цапфе, направляющем штифте или их комбинации.11. The hybrid drill bit of claim 8, wherein the ratio of the diameter of the guide pin to the diameter of the pin is calculated taking into account the bearing on the pin, guide pin, or a combination thereof. 12. Гибридное буровое долото по п.8, в котором направляющий штифт имеет поверхность упора, перпендикулярную центральной линии оси.12. The hybrid drill bit of claim 8, in which the guide pin has a stop surface perpendicular to the center line of the axis. 13. Гибридное буровое долото по п.8, в котором центральная линия оси расположена под углом от равного или превышающего 51° до меньшего или равного 59° относительно продольной осевой линии хвостовика. 13. The hybrid drill bit of claim 8, in which the center line of the axis is located at an angle from equal to or greater than 51 ° to less than or equal to 59 ° relative to the longitudinal axial line of the shank.
RU2011129565/03A 2008-12-19 2009-12-15 Hybrid drill bit with high ratio between diameters of guide stud and journal RU2541414C2 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US13939208P 2008-12-19 2008-12-19
US61/139,392 2008-12-19
US12/481,410 US20100155146A1 (en) 2008-12-19 2009-06-09 Hybrid drill bit with high pilot-to-journal diameter ratio
US12/481,410 2009-06-09
PCT/US2009/067969 WO2010080380A1 (en) 2008-12-19 2009-12-15 Hybrid drill bit with high pilot-to journal diameter ratio

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RU2011129565A true RU2011129565A (en) 2013-01-27
RU2541414C2 RU2541414C2 (en) 2015-02-10

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US (1) US20100155146A1 (en)
EP (1) EP2358969B1 (en)
BR (1) BRPI0922569A2 (en)
CA (1) CA2747434A1 (en)
MX (1) MX2011005857A (en)
RU (1) RU2541414C2 (en)
WO (1) WO2010080380A1 (en)

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CA2747434A1 (en) 2010-07-15
MX2011005857A (en) 2011-06-17
EP2358969B1 (en) 2017-05-17
RU2541414C2 (en) 2015-02-10
EP2358969A1 (en) 2011-08-24
US20100155146A1 (en) 2010-06-24
WO2010080380A1 (en) 2010-07-15
BRPI0922569A2 (en) 2015-12-15
EP2358969A4 (en) 2014-08-20

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