CA2272798C - Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou - Google Patents
Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou Download PDFInfo
- Publication number
- CA2272798C CA2272798C CA 2272798 CA2272798A CA2272798C CA 2272798 C CA2272798 C CA 2272798C CA 2272798 CA2272798 CA 2272798 CA 2272798 A CA2272798 A CA 2272798A CA 2272798 C CA2272798 C CA 2272798C
- Authority
- CA
- Canada
- Prior art keywords
- bearing chamber
- bearing
- pressure
- downhole
- mandrel
- 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 - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 35
- 238000000429 assembly Methods 0.000 claims abstract description 35
- 230000002706 hydrostatic effect Effects 0.000 claims abstract description 17
- 238000003491 array Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000005086 pumping Methods 0.000 abstract description 6
- 239000012530 fluid Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/02—Fluid rotary type drives
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/003—Bearing, sealing, lubricating details
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2272798 CA2272798C (fr) | 1999-05-28 | 1999-05-28 | Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2272798 CA2272798C (fr) | 1999-05-28 | 1999-05-28 | Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2272798A1 CA2272798A1 (fr) | 2000-11-28 |
| CA2272798C true CA2272798C (fr) | 2008-06-17 |
Family
ID=29589055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2272798 Expired - Lifetime CA2272798C (fr) | 1999-05-28 | 1999-05-28 | Methode de forage de terrain qui utilise un roulement etanche de fond de trou, methode de scellement de roulement de fond de trou et roulement de fond de trou |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2272798C (fr) |
-
1999
- 1999-05-28 CA CA 2272798 patent/CA2272798C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2272798A1 (fr) | 2000-11-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20190528 |