CA1037730A - Forme de filetage pour tige de forage - Google Patents
Forme de filetage pour tige de forageInfo
- Publication number
- CA1037730A CA1037730A CA247,340A CA247340A CA1037730A CA 1037730 A CA1037730 A CA 1037730A CA 247340 A CA247340 A CA 247340A CA 1037730 A CA1037730 A CA 1037730A
- Authority
- CA
- Canada
- Prior art keywords
- portions
- flanks
- thread
- crest
- flank
- 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
- 238000009527 percussion Methods 0.000 claims abstract description 12
- 238000005553 drilling Methods 0.000 claims abstract description 10
- 230000003628 erosive effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 abstract description 8
- 238000010168 coupling process Methods 0.000 abstract description 8
- 238000005859 coupling reaction Methods 0.000 abstract description 8
- 230000000295 complement effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- VRDIULHPQTYCLN-UHFFFAOYSA-N Prothionamide Chemical compound CCCC1=CC(C(N)=S)=CC=N1 VRDIULHPQTYCLN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA247,340A CA1037730A (fr) | 1976-03-08 | 1976-03-08 | Forme de filetage pour tige de forage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA247,340A CA1037730A (fr) | 1976-03-08 | 1976-03-08 | Forme de filetage pour tige de forage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1037730A true CA1037730A (fr) | 1978-09-05 |
Family
ID=4105402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA247,340A Expired CA1037730A (fr) | 1976-03-08 | 1976-03-08 | Forme de filetage pour tige de forage |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1037730A (fr) |
-
1976
- 1976-03-08 CA CA247,340A patent/CA1037730A/fr not_active Expired
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