GB1210012A - Improvements in drill bits for deep drilling, trial drilling, prospecting drilling and like drilling operations - Google Patents

Improvements in drill bits for deep drilling, trial drilling, prospecting drilling and like drilling operations

Info

Publication number
GB1210012A
GB1210012A GB9698/68A GB969868A GB1210012A GB 1210012 A GB1210012 A GB 1210012A GB 9698/68 A GB9698/68 A GB 9698/68A GB 969868 A GB969868 A GB 969868A GB 1210012 A GB1210012 A GB 1210012A
Authority
GB
United Kingdom
Prior art keywords
drilling
drill bits
trial
prospecting
deep
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
GB9698/68A
Inventor
Ernst Neubert
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.)
ZENTRALES REPARATUR und AUSRUE
Original Assignee
ZENTRALES REPARATUR und AUSRUE
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 ZENTRALES REPARATUR und AUSRUE filed Critical ZENTRALES REPARATUR und AUSRUE
Priority to GB9698/68A priority Critical patent/GB1210012A/en
Publication of GB1210012A publication Critical patent/GB1210012A/en
Expired 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
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • 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
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2222/00—Materials of tools or workpieces composed of metals, alloys or metal matrices
    • B23B2222/28—Details of hard metal, i.e. cemented carbide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/31—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2226/00—Materials of tools or workpieces not comprising a metal
    • B23B2226/75—Stone, rock or concrete

Abstract

1,210,012. Drill bits. ZENTRALES REPARATUR-UND AUSRUSTUNGSWERK VEB. 28 Feb., 1968 [28 Feb., 1968], No. 9698/ 68. Heading E1F. [Also in Division B3] A drill bit comprises a plurality - for example 3 or 5- of cutting elements 3 sintered onto the rim of a steel body 1, with rinsing channels 9 being provided between the elements and having constricted inlets 11 to produce turbulence.
GB9698/68A 1968-02-28 1968-02-28 Improvements in drill bits for deep drilling, trial drilling, prospecting drilling and like drilling operations Expired GB1210012A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9698/68A GB1210012A (en) 1968-02-28 1968-02-28 Improvements in drill bits for deep drilling, trial drilling, prospecting drilling and like drilling operations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9698/68A GB1210012A (en) 1968-02-28 1968-02-28 Improvements in drill bits for deep drilling, trial drilling, prospecting drilling and like drilling operations

Publications (1)

Publication Number Publication Date
GB1210012A true GB1210012A (en) 1970-10-28

Family

ID=9877043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9698/68A Expired GB1210012A (en) 1968-02-28 1968-02-28 Improvements in drill bits for deep drilling, trial drilling, prospecting drilling and like drilling operations

Country Status (1)

Country Link
GB (1) GB1210012A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1695781A1 (en) * 2005-02-24 2006-08-30 Marcrist International Limited Diamond core drill
RU2552278C2 (en) * 2013-02-08 2015-06-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" Bore bit for drilling small-diameter blast holes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1695781A1 (en) * 2005-02-24 2006-08-30 Marcrist International Limited Diamond core drill
RU2552278C2 (en) * 2013-02-08 2015-06-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Национальный минерально-сырьевой университет "Горный" Bore bit for drilling small-diameter blast holes

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees