CA263743A - Methode de forage de puits - Google Patents

Methode de forage de puits

Info

Publication number
CA263743A
CA263743A CA263743A CA263743DA CA263743A CA 263743 A CA263743 A CA 263743A CA 263743 A CA263743 A CA 263743A CA 263743D A CA263743D A CA 263743DA CA 263743 A CA263743 A CA 263743A
Authority
CA
Canada
Prior art keywords
sinking method
shaft sinking
shaft
sinking
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
CA263743A
Other languages
English (en)
Inventor
G. Minuth Wilhelm
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA263743A publication Critical patent/CA263743A/fr
Expired legal-status Critical Current

Links

CA263743A Methode de forage de puits Expired CA263743A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA263743T

Publications (1)

Publication Number Publication Date
CA263743A true CA263743A (fr) 1926-08-24

Family

ID=35191696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA263743A Expired CA263743A (fr) Methode de forage de puits

Country Status (1)

Country Link
CA (1) CA263743A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109268056A (zh) * 2018-12-07 2019-01-25 中国矿业大学 一种煤矿采区集中降温送风平衡控制装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109268056A (zh) * 2018-12-07 2019-01-25 中国矿业大学 一种煤矿采区集中降温送风平衡控制装置

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