PL348705A1
Method and system for accessing subterranean deposits from the surface
Abstract
Improved method and system for accessing subterranean deposits from the surface that substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articulated well with a drainage pattern that intersects a horizontal cavity well. The drainage patterns provide access to a large subterranean area from the surface while the vertical cavity well allows entrained water, hydrocarbons, and other deposits to be efficiently removed and/or produced. To be accompanied, when published, by Figure 1 of the drawings.
Term
Term ended
Projected expiry passed 19 November 2019, 6.8 years ago.
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- Today
402 members in 21 offices
Priority claims8
| Document | Office | Kind | Date |
|---|---|---|---|
| 19768798 | United States of America | A | |
| 19768798 | United States of America | A | |
| 9927494 | United States of America | W | |
| 9927494 | United States of America | W | |
| 98197687 | – | – | – |
| 99US9927494 | – | – | – |
| US19980197687 | – | – | – |
| WO1999US27494 | – | – | – |
Members402
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| CA2792184A1 | Canada | A1 | |
| WO0031376A2 | World Intellectual Property Organization (WIPO) | A2 | |
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| US2001010432A1 | United States of America | A1 | |
| EP1121977A2 | European Patent Office (EPO) | A2 | |
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| EP1131535A2 | European Patent Office (EPO) | A2 | |
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| JP2001305123A | Japan | A | |
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| US6357523B1 | United States of America | B1 | |
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| US6425448B1 | United States of America | B1 | |
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Showing 100 of 402
Numbers
- Publication, DOCDB
- 348705
- Publication, EPODOC
- PL348705
- Application
- 99348705
- Application, DOCDB
- 34870599
- Application, EPODOC
- PL19990348705
Titles
- English
- METHOD AND SYSTEM FOR ACCESSING SUBTERRANEAN DEPOSITS FROM THE SURFACE
Classification
- CPC, 6
- E21B47/09
- E21B7/046
- E21B43/006
- E21B43/305
- E21F7/00
- E21B43/13
- IPC, 12
- E21B7 04
- E21B23 00
- E21B43 00
- E21B43 12
- E21B43 30
- E21B43 40
- E21B47 09
- E21C41 00
- E21C41 16
- E21C41 28
- E21F7 00
- E21F16 00