NO2486218T3 - - Google Patents
Info
- Publication number
- NO2486218T3 NO2486218T3 NO10765887A NO10765887A NO2486218T3 NO 2486218 T3 NO2486218 T3 NO 2486218T3 NO 10765887 A NO10765887 A NO 10765887A NO 10765887 A NO10765887 A NO 10765887A NO 2486218 T3 NO2486218 T3 NO 2486218T3
- Authority
- NO
- Norway
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B10/00—Drill bits
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/574,513 US8347989B2 (en) | 2009-10-06 | 2009-10-06 | Hole opener with hybrid reaming section and method of making |
| PCT/US2010/051014 WO2011043985A2 (en) | 2009-10-06 | 2010-09-30 | Hole opener with hybrid reaming section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO2486218T3 true NO2486218T3 (en) | 2018-06-30 |
Family
ID=46124971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO10765887A NO2486218T3 (en) | 2009-10-06 | 2010-09-30 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2486218B1 (en) |
| CA (1) | CA2776639C (en) |
| NO (1) | NO2486218T3 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10907414B2 (en) * | 2017-11-09 | 2021-02-02 | Baker Hughes, A Ge Company, Llc | Earth boring tools having fixed blades and varying sized rotatable cutting structures and related methods |
| CN114776223A (en) * | 2022-04-20 | 2022-07-22 | 泰山学院 | Drilling and expansion combined type rock breaking hole-expanding cutter head of raise boring machine and rock breaking method |
-
2010
- 2010-09-30 EP EP10765887.4A patent/EP2486218B1/en not_active Not-in-force
- 2010-09-30 CA CA2776639A patent/CA2776639C/en not_active Expired - Fee Related
- 2010-09-30 NO NO10765887A patent/NO2486218T3/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP2486218A2 (en) | 2012-08-15 |
| EP2486218B1 (en) | 2018-01-31 |
| CA2776639C (en) | 2014-12-30 |
| CA2776639A1 (en) | 2011-04-14 |