CA623430A - Drill pipe differential pressure equalizer and protector - Google Patents
Drill pipe differential pressure equalizer and protectorInfo
- Publication number
- CA623430A CA623430A CA623430A CA623430DA CA623430A CA 623430 A CA623430 A CA 623430A CA 623430 A CA623430 A CA 623430A CA 623430D A CA623430D A CA 623430DA CA 623430 A CA623430 A CA 623430A
- Authority
- CA
- Canada
- Prior art keywords
- protector
- differential pressure
- drill pipe
- pressure equalizer
- pipe differential
- 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
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA623430T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA623430A true CA623430A (en) | 1961-07-11 |
Family
ID=35878609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA623430A Expired CA623430A (en) | Drill pipe differential pressure equalizer and protector |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA623430A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3360846A (en) * | 1965-03-15 | 1968-01-02 | Herman J. Schellstede | Method of securing a collar on a pipe |
US3411837A (en) * | 1966-11-28 | 1968-11-19 | Sparta Ind Inc | Drill pipe protector |
US4668117A (en) * | 1986-04-01 | 1987-05-26 | Black Gold Pump & Supply, Inc. | Rod coupling with mounted guide |
-
0
- CA CA623430A patent/CA623430A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3360846A (en) * | 1965-03-15 | 1968-01-02 | Herman J. Schellstede | Method of securing a collar on a pipe |
US3411837A (en) * | 1966-11-28 | 1968-11-19 | Sparta Ind Inc | Drill pipe protector |
US4668117A (en) * | 1986-04-01 | 1987-05-26 | Black Gold Pump & Supply, Inc. | Rod coupling with mounted guide |
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