RU2019128785A - CLAW CUTTING CUTTER FOR DRILLING BITS WITH FIXED WEAPONS - Google Patents

CLAW CUTTING CUTTER FOR DRILLING BITS WITH FIXED WEAPONS Download PDF

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Publication number
RU2019128785A
RU2019128785A RU2019128785A RU2019128785A RU2019128785A RU 2019128785 A RU2019128785 A RU 2019128785A RU 2019128785 A RU2019128785 A RU 2019128785A RU 2019128785 A RU2019128785 A RU 2019128785A RU 2019128785 A RU2019128785 A RU 2019128785A
Authority
RU
Russia
Prior art keywords
cutter
cutter according
chisel
edge
socket
Prior art date
Application number
RU2019128785A
Other languages
Russian (ru)
Inventor
Федерико БЕЛЛИН
Original Assignee
ВАРЕЛ ИНТЕРНЭШНЛ ИНД., Эл.Эл.Си.
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 ВАРЕЛ ИНТЕРНЭШНЛ ИНД., Эл.Эл.Си. filed Critical ВАРЕЛ ИНТЕРНЭШНЛ ИНД., Эл.Эл.Си.
Publication of RU2019128785A publication Critical patent/RU2019128785A/en

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-type inserts
    • E21B10/567Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/58Chisel-type inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-type inserts
    • E21B10/567Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5676Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a cutting face with different segments, e.g. mosaic-type inserts
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56Button-type inserts
    • E21B10/567Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/573Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts characterised by support details, e.g. the substrate construction or the interface between the substrate and the cutting element
    • E21B10/5735Interface between the substrate and the cutting element

Claims (19)

1. Резец для применения с буровым долотом, содержащий1. A cutter for use with a drill bit, containing опорную часть для установки в гнезде бурового долота, выполненную из металлокерамики; и головку, выполненную из сверхтвердого материала, установленную на опорной части, и содержащую зубило или усеченный конус, наклоненный относительно продольной оси резца под углом атаки, составляющим от пятнадцати до шестнадцати градусов. a support part for installation in a drill bit socket, made of cermet; and a head made of superhard material mounted on the support portion and containing a chisel or truncated cone inclined relative to the longitudinal axis of the cutter at an angle of attack of fifteen to sixteen degrees. 2. Резец по п. 1, в котором высота головки больше или равна толщине опорной части.2. A cutter according to claim 1, wherein the head height is greater than or equal to the thickness of the support portion. 3. Резец по п. 1, в котором зубило или усеченный конус является зубилом, содержащим кромку.3. A cutter according to claim 1, wherein the chisel or frusto-cone is a chisel containing an edge. 4. Резец по п. 2, в котором длина кромки составляет от одного процента до тридцати процентов диаметра опорной части.4. The cutter of claim. 2, wherein the length of the edge is between one percent and thirty percent of the diameter of the bearing portion. 5. Резец по п. 2, в котором кромка является острой.5. A cutter according to claim 2, wherein the edge is sharp. 6. Резец по п. 2, в котором кромка является плоской.6. A cutter according to claim 2, wherein the edge is flat. 7. Резец по п. 2, в котором кромка является клиновидной.7. A cutter according to claim 2, wherein the edge is wedge-shaped. 8. Резец по п. 1, в котором зубило или усеченный конус является усеченным конусом, содержащим вершину.8. A cutter according to claim 1, wherein the chisel or frusto-taper is a frusto-taper containing a vertex. 9. Резец по п. 8, в котором диаметр вершины составляет от пяти до тридцати процентов диаметра опорной части.9. A cutter according to claim 8, wherein the tip diameter is between five and thirty percent of the diameter of the bearing portion. 10. Резец по п. 1, в котором головка выполнена из поликристаллического сверхтвердого материала.10. A cutter according to claim 1, wherein the head is made of a polycrystalline superhard material. 11. Долото для бурения ствола скважины, содержащее11. A bit for drilling a wellbore, containing хвостовик, содержащий соединительное средство, выполненное на его верхнем конце;a shank containing a connecting means made at its upper end; корпус, установленный на нижнем конце хвостовика; иa body mounted at the lower end of the shank; and режущую поверхность, образующую нижний конец долота и содержащую: cutting surface forming the lower end of the bit and containing: лопасть, выступающую от корпуса; и резец по п. 1, при этомblade protruding from the body; and a cutter according to claim 1, while опорная часть установлена в гнезде, выполненном в лопасти, и гнездо расположено поперечно рабочей поверхности лопасти.the supporting part is installed in a socket made in the blade, and the socket is located transversely to the working surface of the blade. 12. Резец для применения с буровым долотом, содержащий12. A cutter for use with a drill bit, containing опорную часть для установки в гнезде бурового долота и выполненную из металлокерамики; и головку, выполненную из металлокерамики, установленную на опорной части, и содержащую зубило или усеченный конус, наклоненный относительно продольной оси резца под углом атаки, составляющим в диапазоне от пятнадцати до шестнадцати градусов.a support part for installation in a drill bit socket and made of cermet; and a head made of cermet, mounted on a support part, and containing a chisel or a truncated cone inclined relative to the longitudinal axis of the cutter at an angle of attack ranging from fifteen to sixteen degrees.
RU2019128785A 2018-09-17 2019-09-13 CLAW CUTTING CUTTER FOR DRILLING BITS WITH FIXED WEAPONS RU2019128785A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862732048P 2018-09-17 2018-09-17
US62/732,048 2018-09-17

Publications (1)

Publication Number Publication Date
RU2019128785A true RU2019128785A (en) 2021-03-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU2019128785A RU2019128785A (en) 2018-09-17 2019-09-13 CLAW CUTTING CUTTER FOR DRILLING BITS WITH FIXED WEAPONS

Country Status (3)

Country Link
US (1) US20200087992A1 (en)
CA (1) CA3051638A1 (en)
RU (1) RU2019128785A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111764831B (en) * 2020-06-28 2021-09-14 中煤科工集团西安研究院有限公司 PDC drill bit for coal mine high-position directional drilling

Also Published As

Publication number Publication date
US20200087992A1 (en) 2020-03-19
CA3051638A1 (en) 2020-03-17

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