CA2303710A1 - Systeme de forage de trous droits - Google Patents

Systeme de forage de trous droits Download PDF

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Publication number
CA2303710A1
CA2303710A1 CA002303710A CA2303710A CA2303710A1 CA 2303710 A1 CA2303710 A1 CA 2303710A1 CA 002303710 A CA002303710 A CA 002303710A CA 2303710 A CA2303710 A CA 2303710A CA 2303710 A1 CA2303710 A1 CA 2303710A1
Authority
CA
Canada
Prior art keywords
rod
sleeve
drilling system
hole drilling
straight hole
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.)
Granted
Application number
CA002303710A
Other languages
English (en)
Other versions
CA2303710C (fr
Inventor
James Jing Yao
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.)
Longyear TM Inc
Original Assignee
Individual
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
Priority claimed from AUPO4458A external-priority patent/AUPO445897A0/en
Application filed by Individual filed Critical Individual
Publication of CA2303710A1 publication Critical patent/CA2303710A1/fr
Application granted granted Critical
Publication of CA2303710C publication Critical patent/CA2303710C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Earth Drilling (AREA)
CA002303710A 1997-01-06 1997-12-05 Systeme de forage de trous droits Expired - Lifetime CA2303710C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPO4458 1997-01-06
AUPO4458A AUPO445897A0 (en) 1997-01-06 1997-01-06 Straight hole drilling system
CA002221018A CA2221018C (fr) 1997-01-06 1997-12-05 Systeme de forage de trous droits

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002221018A Division CA2221018C (fr) 1997-01-06 1997-12-05 Systeme de forage de trous droits

Publications (2)

Publication Number Publication Date
CA2303710A1 true CA2303710A1 (fr) 1998-01-05
CA2303710C CA2303710C (fr) 2005-11-08

Family

ID=25645343

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002303710A Expired - Lifetime CA2303710C (fr) 1997-01-06 1997-12-05 Systeme de forage de trous droits

Country Status (1)

Country Link
CA (1) CA2303710C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3298229B1 (fr) 2015-05-22 2020-10-14 Sandvik Intellectual Property AB Tige de forage ou adaptateur de couplage avec un embout renforcé

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3298229B1 (fr) 2015-05-22 2020-10-14 Sandvik Intellectual Property AB Tige de forage ou adaptateur de couplage avec un embout renforcé

Also Published As

Publication number Publication date
CA2303710C (fr) 2005-11-08

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Effective date: 20171205