IT1168224B - DRILLING POINT TO DRILL THE GROUND - Google Patents
DRILLING POINT TO DRILL THE GROUNDInfo
- Publication number
- IT1168224B IT1168224B IT49242/83A IT4924283A IT1168224B IT 1168224 B IT1168224 B IT 1168224B IT 49242/83 A IT49242/83 A IT 49242/83A IT 4924283 A IT4924283 A IT 4924283A IT 1168224 B IT1168224 B IT 1168224B
- Authority
- IT
- Italy
- Prior art keywords
- drill
- ground
- drilling point
- drilling
- point
- Prior art date
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
- E21B10/16—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 |
---|---|---|---|
JP57229329A JPS59122690A (en) | 1982-12-28 | 1982-12-28 | Underground drilling drill bit |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8349242A0 IT8349242A0 (en) | 1983-10-28 |
IT1168224B true IT1168224B (en) | 1987-05-20 |
Family
ID=16890439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT49242/83A IT1168224B (en) | 1982-12-28 | 1983-10-28 | DRILLING POINT TO DRILL THE GROUND |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS59122690A (en) |
DE (1) | DE3339675C2 (en) |
FR (1) | FR2538441A1 (en) |
GB (1) | GB2132662A (en) |
IT (1) | IT1168224B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1234096A (en) * | 1984-03-19 | 1988-03-15 | Inco Limited | Spherical bit |
AR016883A1 (en) * | 1997-08-28 | 2001-08-01 | Shell Int Research | A ROTARY TREPANE TO DRILL |
US6604587B1 (en) * | 2000-06-14 | 2003-08-12 | Smith International, Inc. | Flat profile cutting structure for roller cone drill bits |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1897588A (en) * | 1929-07-09 | 1933-02-14 | Chicago Pneumatic Tool Co | Rotary drilling apparatus |
US2117679A (en) * | 1935-12-27 | 1938-05-17 | Chicago Pneumatic Tool Co | Earth boring drill |
US3098535A (en) * | 1960-09-23 | 1963-07-23 | Austin E Ragon | Tri-cone bit with inserts |
US3385385A (en) * | 1966-04-01 | 1968-05-28 | Reed Roller Bit Co | Drill bit |
GB1221723A (en) * | 1967-06-09 | 1971-02-10 | J C Soding & Halbach Kg | Improved roller for rock boring equipment |
GB1193717A (en) * | 1967-09-08 | 1970-06-03 | Inst Burovoi Tekhnik | Improvements in or relating to Roller Cutter Boring Bits |
DE1583013B1 (en) * | 1967-11-04 | 1971-12-23 | Vnii Burowoj Techniki | Boring chisels |
GB1224503A (en) * | 1968-02-14 | 1971-03-10 | Inst Burovoi Tekhnik | Improvements in or relating to drilling apparatus |
US3504751A (en) * | 1968-02-20 | 1970-04-07 | Tariel Georgievich Agoshashvil | Drill bit |
US3547209A (en) * | 1969-01-06 | 1970-12-15 | Shell Oil Co | Deviation control bit and method |
US3603414A (en) * | 1970-01-30 | 1971-09-07 | Frank E Stebley | Insert for drilling unit |
FR2198048A1 (en) * | 1972-09-01 | 1974-03-29 | Gw Murphy Indus3Ries Inc | Drill bit roller cutter - with circumferential chisel-shaped webs having cutting inserts |
US3946820A (en) * | 1974-10-25 | 1976-03-30 | Faurilda Ferne Knapp | Novel cutter elements for drill bits |
US3952815A (en) * | 1975-03-24 | 1976-04-27 | Dresser Industries, Inc. | Land erosion protection on a rock cutter |
US4202419A (en) * | 1979-01-11 | 1980-05-13 | Dresser Industries, Inc. | Roller cutter with major and minor insert rows |
-
1982
- 1982-12-28 JP JP57229329A patent/JPS59122690A/en active Pending
-
1983
- 1983-10-21 GB GB08328216A patent/GB2132662A/en not_active Withdrawn
- 1983-10-28 IT IT49242/83A patent/IT1168224B/en active
- 1983-11-02 DE DE3339675A patent/DE3339675C2/en not_active Expired
- 1983-11-03 FR FR8317457A patent/FR2538441A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2538441A1 (en) | 1984-06-29 |
GB2132662A (en) | 1984-07-11 |
DE3339675A1 (en) | 1984-07-12 |
JPS59122690A (en) | 1984-07-16 |
DE3339675C2 (en) | 1986-05-07 |
GB8328216D0 (en) | 1983-11-23 |
IT8349242A0 (en) | 1983-10-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO833530L (en) | drill bit | |
KR850009757U (en) | Drill structure | |
IT8268198A0 (en) | EXTENDABLE DRILL BIT | |
NO862850D0 (en) | PROCEDURE FOR AA TO AVOID FIXED DRILLING EQUIPMENT. | |
DK227987D0 (en) | Borehole DRILL | |
DK152794C (en) | Rock drills | |
IT8249131A0 (en) | DRILLING EQUIPMENT | |
DK157203C (en) | drilling rig | |
IT1162735B (en) | DRILLING TOOL | |
DK472781A (en) | Rock drills | |
NO833630L (en) | drill stand | |
IT1203946B (en) | IMPROVEMENTS IN THE DRILLING DEVICES OF BRANCHED WELLS | |
IT1178643B (en) | DRILLING TIP FOR EXCAVATION IN THE MINE | |
IT7851757A0 (en) | IMPROVEMENT IN FLOATING PLATFORMS FOR WELL DRILLING | |
IT1100534B (en) | DRILL BIT | |
IT1168224B (en) | DRILLING POINT TO DRILL THE GROUND | |
DK665487D0 (en) | TUNNEL DRILL | |
AT384073B (en) | DRILLING TOOL | |
IT1164645B (en) | DRILL TO DRILL WELLS | |
DK519285D0 (en) | DIAMOND FITTED DRILLING EQUIPMENT | |
DK47783A (en) | DRILLING SCREW | |
SE8306082L (en) | DRILL MY | |
KR840001516U (en) | drill | |
BR6401221U (en) | GROUND DRILLING SET | |
SE8505513D0 (en) | rock drill |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19941027 |