CA2776640C - Hole opener with hybrid reaming section - Google Patents
Hole opener with hybrid reaming section Download PDFInfo
- Publication number
- CA2776640C CA2776640C CA2776640A CA2776640A CA2776640C CA 2776640 C CA2776640 C CA 2776640C CA 2776640 A CA2776640 A CA 2776640A CA 2776640 A CA2776640 A CA 2776640A CA 2776640 C CA2776640 C CA 2776640C
- Authority
- CA
- Canada
- Prior art keywords
- rolling
- fixed blade
- reamer
- cutter
- coupled
- 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.)
- Active
Links
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
- E21B10/00—Drill bits
- E21B10/08—Roller bits
- E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type
-
- 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
- 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
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)
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/574,542 | 2009-10-06 | ||
| US12/574,542 US8191635B2 (en) | 2009-10-06 | 2009-10-06 | Hole opener with hybrid reaming section |
| PCT/US2010/051017 WO2011043986A2 (en) | 2009-10-06 | 2010-09-30 | Hole opener with hybrid reaming section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2776640A1 CA2776640A1 (en) | 2011-04-14 |
| CA2776640C true CA2776640C (en) | 2015-11-10 |
Family
ID=46124972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2776640A Active CA2776640C (en) | 2009-10-06 | 2010-09-30 | Hole opener with hybrid reaming section |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP2486219B1 (de) |
| CA (1) | CA2776640C (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114776223A (zh) * | 2022-04-20 | 2022-07-22 | 泰山学院 | 一种钻胀组合式破岩的反井钻机扩孔刀盘及破岩方法 |
| WO2025179187A1 (en) * | 2024-02-23 | 2025-08-28 | Schlumberger Technology Corporation | Non-uniform roller cone |
-
2010
- 2010-09-30 CA CA2776640A patent/CA2776640C/en active Active
- 2010-09-30 EP EP10765888.2A patent/EP2486219B1/de not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| CA2776640A1 (en) | 2011-04-14 |
| EP2486219B1 (de) | 2014-04-02 |
| EP2486219A2 (de) | 2012-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2776575C (en) | Hole opener with hybrid reaming section | |
| US8191635B2 (en) | Hole opener with hybrid reaming section | |
| US11299936B2 (en) | Slide reamer and stabilizer tool | |
| US7845435B2 (en) | Hybrid drill bit and method of drilling | |
| US9982488B2 (en) | External, divorced PDC bearing assemblies for hybrid drill bits | |
| CN105507817B (zh) | 具有防钻头循旧槽结构的混合式钻头 | |
| EP2358969B1 (de) | Hybridbohrkrone mit hohem verhältnis zwischen pilot- und achsdurchmesser | |
| CA2776640C (en) | Hole opener with hybrid reaming section | |
| CA2776639C (en) | Hole opener with hybrid reaming section | |
| CA2776642A1 (en) | Hole opener with hybrid reaming section | |
| GB2461430A (en) | Rock bit with hydraulics configuration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| H11 | Ip right ceased following rejected request for revival |
Free format text: ST27 STATUS EVENT CODE: T-6-6-H10-H11-H101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: TIME LIMIT FOR REVERSAL EXPIRED Effective date: 20250403 |