CA393396A - Mecanisme de ressort de dispositif de puits d'huile - Google Patents

Mecanisme de ressort de dispositif de puits d'huile

Info

Publication number
CA393396A
CA393396A CA393396A CA393396DA CA393396A CA 393396 A CA393396 A CA 393396A CA 393396 A CA393396 A CA 393396A CA 393396D A CA393396D A CA 393396DA CA 393396 A CA393396 A CA 393396A
Authority
CA
Canada
Prior art keywords
oil well
spring mechanism
well device
device spring
oil
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
CA393396A
Other languages
English (en)
Inventor
Hugel Helmut
Original Assignee
Shell Development Co
Publication date
Application granted granted Critical
Publication of CA393396A publication Critical patent/CA393396A/fr
Expired legal-status Critical Current

Links

CA393396A Mecanisme de ressort de dispositif de puits d'huile Expired CA393396A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA393396T

Publications (1)

Publication Number Publication Date
CA393396A true CA393396A (fr) 1940-12-24

Family

ID=35400900

Family Applications (1)

Application Number Title Priority Date Filing Date
CA393396A Expired CA393396A (fr) Mecanisme de ressort de dispositif de puits d'huile

Country Status (1)

Country Link
CA (1) CA393396A (fr)

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