CA1030520A - Drilling string shock-absorbing tool - Google Patents

Drilling string shock-absorbing tool

Info

Publication number
CA1030520A
CA1030520A CA277,084A CA277084A CA1030520A CA 1030520 A CA1030520 A CA 1030520A CA 277084 A CA277084 A CA 277084A CA 1030520 A CA1030520 A CA 1030520A
Authority
CA
Canada
Prior art keywords
drilling string
absorbing tool
string shock
shock
absorbing
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
CA277,084A
Other languages
French (fr)
Inventor
Leonard Mason
Clifford Anderson
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.)
LEE-MASON TOOLS Ltd
Original Assignee
LEE-MASON TOOLS Ltd
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 CA204,532A external-priority patent/CA1014140A/en
Application filed by LEE-MASON TOOLS Ltd filed Critical LEE-MASON TOOLS Ltd
Priority to CA277,084A priority Critical patent/CA1030520A/en
Application granted granted Critical
Publication of CA1030520A publication Critical patent/CA1030520A/en
Expired legal-status Critical Current

Links

CA277,084A 1974-07-10 1977-04-27 Drilling string shock-absorbing tool Expired CA1030520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA277,084A CA1030520A (en) 1974-07-10 1977-04-27 Drilling string shock-absorbing tool

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA204,532A CA1014140A (en) 1974-07-10 1974-07-10 Drilling string shock-absorbing tool
CA277,084A CA1030520A (en) 1974-07-10 1977-04-27 Drilling string shock-absorbing tool

Publications (1)

Publication Number Publication Date
CA1030520A true CA1030520A (en) 1978-05-02

Family

ID=25667630

Family Applications (1)

Application Number Title Priority Date Filing Date
CA277,084A Expired CA1030520A (en) 1974-07-10 1977-04-27 Drilling string shock-absorbing tool

Country Status (1)

Country Link
CA (1) CA1030520A (en)

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