GB1551751A - Earth boring apparatus - Google Patents

Earth boring apparatus

Info

Publication number: GB1551751A
Authority: GB; United Kingdom
Prior art keywords: earth boring; boring apparatus; earth; boring
Prior art date: 1975-06-09
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

GB23097/76A

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.)

Rapidex Inc

Original Assignee

Rapidex Inc

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.)

1975-06-09

Filing date

1976-06-04

Publication date

1979-08-30

1975-06-09 Priority claimed from US05/585,452 external-priority patent/US3977481A/en

1976-06-04 Application filed by Rapidex Inc filed Critical Rapidex Inc

1979-08-30 Publication of GB1551751A publication Critical patent/GB1551751A/en

Status Expired legal-status Critical Current

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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
- E21B10/30—Longitudinal axis roller reamers, e.g. reamer stabilisers
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
- 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
- E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
- 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
- E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details
- E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant
- 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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
- E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts

Landscapes

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)

GB23097/76A 1975-06-09 1976-06-04 Earth boring apparatus Expired GB1551751A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/585,452 US3977481A (en)	1974-03-05	1975-06-09	Boring apparatus

Publications (1)

Publication Number	Publication Date
GB1551751A true GB1551751A (en)	1979-08-30

Family

ID=24341504

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB23097/76A Expired GB1551751A (en)	1975-06-09	1976-06-04	Earth boring apparatus

Country Status (5)

Country	Link
AU (1)	AU503864B2 (en)
CA (1)	CA1051417A (en)
GB (1)	GB1551751A (en)
NO (1)	NO761930L (en)
ZA (1)	ZA763110B (en)

1976
- 1976-05-25 ZA ZA763110A patent/ZA763110B/en unknown
- 1976-05-26 CA CA253,356A patent/CA1051417A/en not_active Expired
- 1976-05-27 AU AU14364/76A patent/AU503864B2/en not_active Expired
- 1976-06-04 GB GB23097/76A patent/GB1551751A/en not_active Expired
- 1976-06-08 NO NO761930A patent/NO761930L/no unknown

Also Published As

Publication number	Publication date
AU1436476A (en)	1977-12-01
NO761930L (en)	1976-12-10
ZA763110B (en)	1977-05-25
AU503864B2 (en)	1979-09-27
CA1051417A (en)	1979-03-27

Publication	Publication Date	Title
JPS51137981A (en)	1976-11-29	Drill
JPS5237298A (en)	1977-03-23	Drilling device
AU509238B2 (en)	1980-05-01	Earth boring apparatus
EG12303A (en)	1979-09-30	Pipe-handling apparatus
GB1547494A (en)	1979-06-20	Rock drilling and golt inserting apparatus
GB1511945A (en)	1978-05-24	Drill units
ZA767639B (en)	1977-11-30	Pneumatic hammer-auger earth boring apparatus
JPS5272302A (en)	1977-06-16	Rock drill
JPS52105611A (en)	1977-09-05	Drilling apparatus
PT65548B (en)	1978-03-24	Drilling unit
JPS5265148A (en)	1977-05-30	Curve boring device
GB1558172A (en)	1979-12-19	Drilling rigs
JPS52126013A (en)	1977-10-22	Earth drilling apparatus
JPS51145993A (en)	1976-12-15	Drill
ZA777511B (en)	1978-04-26	Earth boring drill apparatus
AU1183476A (en)	1977-09-15	Drilling device
JPS51148907A (en)	1976-12-21	Drill
JPS5354818A (en)	1978-05-18	Retractable earth drilling apparatus
JPS51137601A (en)	1976-11-27	Boring device
JPS51111401A (en)	1976-10-01	Device for drilling rock
CH607779A5 (en)	1978-10-31	Rock drill
ZA766075B (en)	1977-09-28	Rock drill
ZA774653B (en)	1978-06-28	Drilling apparatus
JPS51117406A (en)	1976-10-15	Underground drilling apparatus
JPS535813A (en)	1978-01-19	Earth drilling apparatus

Legal Events

Date	Code	Title	Description
1979-11-14	PS	Patent sealed [section 19, patents act 1949]
1982-01-06	PCNP	Patent ceased through non-payment of renewal fee