CA1238896A - Joint d'etancheite de lubrifiant hydrodynamique pour outils de forage - Google Patents
Joint d'etancheite de lubrifiant hydrodynamique pour outils de forageInfo
- Publication number
- CA1238896A CA1238896A CA000509873A CA509873A CA1238896A CA 1238896 A CA1238896 A CA 1238896A CA 000509873 A CA000509873 A CA 000509873A CA 509873 A CA509873 A CA 509873A CA 1238896 A CA1238896 A CA 1238896A
- Authority
- CA
- Canada
- Prior art keywords
- lubricant
- sealing
- interface
- seal
- hydrodynamic
- 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
- 239000000314 lubricant Substances 0.000 title claims abstract description 219
- 238000007789 sealing Methods 0.000 claims abstract description 237
- 239000000356 contaminant Substances 0.000 claims abstract description 67
- 230000000694 effects Effects 0.000 claims abstract description 40
- 230000033001 locomotion Effects 0.000 claims abstract description 31
- 238000005461 lubrication Methods 0.000 claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 13
- 238000013508 migration Methods 0.000 claims abstract description 11
- 230000005012 migration Effects 0.000 claims abstract description 11
- 238000011010 flushing procedure Methods 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 24
- 238000005086 pumping Methods 0.000 claims description 21
- 230000006872 improvement Effects 0.000 claims description 17
- 239000003566 sealing material Substances 0.000 claims description 16
- 239000010687 lubricating oil Substances 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 7
- 238000011161 development Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 230000008093 supporting effect Effects 0.000 claims description 2
- 239000013598 vector Substances 0.000 claims 3
- 230000006835 compression Effects 0.000 abstract description 11
- 238000007906 compression Methods 0.000 abstract description 11
- 239000011435 rock Substances 0.000 abstract description 8
- 238000013461 design Methods 0.000 description 56
- 230000009471 action Effects 0.000 description 22
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 239000002245 particle Substances 0.000 description 12
- 230000008901 benefit Effects 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000013536 elastomeric material Substances 0.000 description 5
- 238000005755 formation reaction Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000509873A CA1238896A (fr) | 1986-05-23 | 1986-05-23 | Joint d'etancheite de lubrifiant hydrodynamique pour outils de forage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000509873A CA1238896A (fr) | 1986-05-23 | 1986-05-23 | Joint d'etancheite de lubrifiant hydrodynamique pour outils de forage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1238896A true CA1238896A (fr) | 1988-07-05 |
Family
ID=4133195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000509873A Expired CA1238896A (fr) | 1986-05-23 | 1986-05-23 | Joint d'etancheite de lubrifiant hydrodynamique pour outils de forage |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1238896A (fr) |
-
1986
- 1986-05-23 CA CA000509873A patent/CA1238896A/fr not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |