GB1088860A - Double-roller bit - Google Patents

Double-roller bit

Info

Publication number
GB1088860A
GB1088860A GB5219964A GB5219964A GB1088860A GB 1088860 A GB1088860 A GB 1088860A GB 5219964 A GB5219964 A GB 5219964A GB 5219964 A GB5219964 A GB 5219964A GB 1088860 A GB1088860 A GB 1088860A
Authority
GB
United Kingdom
Prior art keywords
rollers
roller
double
roller bit
bit
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.)
Expired
Application number
GB5219964A
Inventor
Jakov Alexandrovich Edelman
Jury Evgenievech Vladislanlev
Vitaly Sergeevich Travkin
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.)
TS K BJURO
TSENTRALNOJE KONSTRUKTORSKOJE BJURO
Original Assignee
TS K BJURO
TSENTRALNOJE KONSTRUKTORSKOJE BJURO
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 TS K BJURO, TSENTRALNOJE KONSTRUKTORSKOJE BJURO filed Critical TS K BJURO
Priority to GB5219964A priority Critical patent/GB1088860A/en
Publication of GB1088860A publication Critical patent/GB1088860A/en
Application status is Expired legal-status Critical

Links

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
    • E21B10/08Roller bits
    • E21B10/16Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/50Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • 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
    • E21B10/50Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel or button type inserts

Abstract

1,088,860. Boring earth &c. TSENTRAL NOJE KONSTRUKTORSKOJE BJURO. Dec. 23, 1964, No. 52199/64. Heading E1F. In a bit having rollers 1, 2, the roller 1 has a greater overall diameter than the roller 2 and cuts a groove 14 in the bottom 13 of the hole being drilled. The rollers may have hard inserts 11 and hard facings 12. The effective surface 9, 10 of the rollers may be spherical or conical.
GB5219964A 1964-12-23 1964-12-23 Double-roller bit Expired GB1088860A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5219964A GB1088860A (en) 1964-12-23 1964-12-23 Double-roller bit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5219964A GB1088860A (en) 1964-12-23 1964-12-23 Double-roller bit

Publications (1)

Publication Number Publication Date
GB1088860A true GB1088860A (en) 1967-10-25

Family

ID=10463011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5219964A Expired GB1088860A (en) 1964-12-23 1964-12-23 Double-roller bit

Country Status (1)

Country Link
GB (1) GB1088860A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159801A1 (en) * 1984-03-19 1985-10-30 Inco Limited Spherical bit
US4832143A (en) * 1987-04-21 1989-05-23 Cledisc International B.V. Rotary drilling device
WO1996023954A1 (en) * 1995-02-03 1996-08-08 England Richard J Spherical reaming bit
GB2363409A (en) * 2000-06-14 2001-12-19 Smith International Flat Profile Cutting Structure For Roller Cone Drill Bits
GB2380501A (en) * 2000-06-14 2003-04-09 Smith International Flat profile cutting structure for roller cone drill bits

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0159801A1 (en) * 1984-03-19 1985-10-30 Inco Limited Spherical bit
US4832143A (en) * 1987-04-21 1989-05-23 Cledisc International B.V. Rotary drilling device
WO1996023954A1 (en) * 1995-02-03 1996-08-08 England Richard J Spherical reaming bit
GB2363409A (en) * 2000-06-14 2001-12-19 Smith International Flat Profile Cutting Structure For Roller Cone Drill Bits
GB2380501A (en) * 2000-06-14 2003-04-09 Smith International Flat profile cutting structure for roller cone drill bits
US6604587B1 (en) 2000-06-14 2003-08-12 Smith International, Inc. Flat profile cutting structure for roller cone drill bits
GB2363409B (en) * 2000-06-14 2003-08-13 Smith International Flat profile cutting structure for roller cone drill bits
GB2380501B (en) * 2000-06-14 2003-08-13 Smith International Flat profile cutting structure for roller cone drill bits

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