BE639074A - - Google Patents
Info
- Publication number
- BE639074A BE639074A BE639074DA BE639074A BE 639074 A BE639074 A BE 639074A BE 639074D A BE639074D A BE 639074DA BE 639074 A BE639074 A BE 639074A
- Authority
- BE
- Belgium
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
- E21B10/26—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
-
- 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
- E21B10/16—Roller bits characterised by tooth form or arrangement
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23255862A | 1962-10-23 | 1962-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE639074A true BE639074A (en) |
Family
ID=22873622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE639074D BE639074A (en) | 1962-10-23 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE639074A (en) |
| GB (1) | GB1014433A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2677699B1 (en) * | 1991-06-11 | 1997-03-14 | Total Petroles | DRILLING TOOL WITH ROTARY TAPERED ROLLERS. |
| AR016883A1 (en) * | 1997-08-28 | 2001-08-01 | Shell Int Research | A ROTARY TREPANE TO DRILL |
| US6290008B1 (en) | 1998-12-07 | 2001-09-18 | Smith International, Inc. | Inserts for earth-boring bits |
| US6241035B1 (en) | 1998-12-07 | 2001-06-05 | Smith International, Inc. | Superhard material enhanced inserts for earth-boring bits |
| US6227318B1 (en) | 1998-12-07 | 2001-05-08 | Smith International, Inc. | Superhard material enhanced inserts for earth-boring bits |
-
0
- BE BE639074D patent/BE639074A/xx unknown
-
1963
- 1963-10-04 GB GB39216/63A patent/GB1014433A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1014433A (en) | 1965-12-22 |