AU488030B2 - Apparatus and process for drilling underground arcuate paths utilizing directional drill and following liner - Google Patents

Apparatus and process for drilling underground arcuate paths utilizing directional drill and following liner

Info

Publication number
AU488030B2
AU488030B2 AU84925/75A AU8492575A AU488030B2 AU 488030 B2 AU488030 B2 AU 488030B2 AU 84925/75 A AU84925/75 A AU 84925/75A AU 8492575 A AU8492575 A AU 8492575A AU 488030 B2 AU488030 B2 AU 488030B2
Authority
AU
Australia
Prior art keywords
arcuate paths
directional drill
drilling underground
utilizing directional
following liner
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
AU84925/75A
Other versions
AU8492575A (en
Inventor
D. Cherrington Martin
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.)
READING AND BATES CONSTRUCTION Co
Original Assignee
READING AND BATES CONSTRUCTION Co
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 US05/506,920 external-priority patent/US4003440A/en
Application filed by READING AND BATES CONSTRUCTION Co filed Critical READING AND BATES CONSTRUCTION Co
Application granted granted Critical
Publication of AU8492575A publication Critical patent/AU8492575A/en
Publication of AU488030B2 publication Critical patent/AU488030B2/en
Expired legal-status Critical Current

Links

AU84925/75A 1974-09-17 1975-09-17 Apparatus and process for drilling underground arcuate paths utilizing directional drill and following liner Expired AU488030B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/506,920 US4003440A (en) 1974-09-17 1974-09-17 Apparatus and process for drilling underground arcuate paths utilizing directional drill and following liner
USUS506,920 1974-09-17

Publications (2)

Publication Number Publication Date
AU8492575A AU8492575A (en) 1977-03-24
AU488030B2 true AU488030B2 (en) 1977-03-24

Family

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