CH552126A - DRILLING TOOL. - Google Patents
DRILLING TOOL.Info
- Publication number
- CH552126A CH552126A CH629472A CH629472A CH552126A CH 552126 A CH552126 A CH 552126A CH 629472 A CH629472 A CH 629472A CH 629472 A CH629472 A CH 629472A CH 552126 A CH552126 A CH 552126A
- Authority
- CH
- Switzerland
- Prior art keywords
- drilling tool
- drilling
- tool
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title 1
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
- E21B10/02—Core bits
- E21B10/04—Core bits with core destroying means
-
- 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
-
- 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
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/605—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a core-bit
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)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7115966A FR2135053B1 (en) | 1971-05-04 | 1971-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH552126A true CH552126A (en) | 1974-07-31 |
Family
ID=9076363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH629472A CH552126A (en) | 1971-05-04 | 1972-04-27 | DRILLING TOOL. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3768581A (en) |
JP (1) | JPS5318963B1 (en) |
CA (1) | CA967945A (en) |
CH (1) | CH552126A (en) |
DE (1) | DE2220455C3 (en) |
FR (1) | FR2135053B1 (en) |
GB (1) | GB1394115A (en) |
IT (1) | IT954958B (en) |
RO (1) | RO64710A (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3871488A (en) * | 1974-02-13 | 1975-03-18 | Daniel R Sabre | Rock drilling |
US4073354A (en) * | 1976-11-26 | 1978-02-14 | Christensen, Inc. | Earth-boring drill bits |
FR2385883A1 (en) * | 1977-03-31 | 1978-10-27 | Petroles Cie Francaise | HIGH-PERFORMANCE QUICK-ATTACK CARROT DRILLING TOOL |
US4098363A (en) * | 1977-04-25 | 1978-07-04 | Christensen, Inc. | Diamond drilling bit for soft and medium hard formations |
GB2123881B (en) * | 1982-07-20 | 1985-11-13 | Sumitomo Metal Mining Co | Well drilling bit |
FR2538442B1 (en) * | 1982-12-23 | 1986-02-28 | Charbonnages De France | SIZE FOR ROTARY JET ASSISTED BY JET |
US5373900A (en) | 1988-04-15 | 1994-12-20 | Baker Hughes Incorporated | Downhole milling tool |
US4719979A (en) * | 1986-03-24 | 1988-01-19 | Smith International, Inc. | Expendable diamond drag bit |
US4813500A (en) * | 1987-10-19 | 1989-03-21 | Smith International, Inc. | Expendable diamond drag bit |
US5025873A (en) * | 1989-09-29 | 1991-06-25 | Baker Hughes Incorporated | Self-renewing multi-element cutting structure for rotary drag bit |
FI103430B1 (en) * | 1994-10-05 | 1999-06-30 | Valto Ilomaeki | Drilling unit and method for drilling a hole in several different soils |
US8327956B2 (en) * | 2008-12-19 | 2012-12-11 | Varel International, Ind., L.P. | Multi-set PDC drill bit and method |
CN102704853B (en) * | 2012-06-21 | 2015-07-15 | 四川深远石油钻井工具股份有限公司 | Modular cutting tooth with controllable drilling specific pressure |
AU2014274759B2 (en) | 2013-06-06 | 2016-09-29 | Milwaukee Electric Tool Corporation | Step drill bit |
CN110678622B (en) * | 2017-05-05 | 2021-12-21 | 史密斯国际有限公司 | Stepped downhole tool and method of use |
US11273501B2 (en) | 2018-04-26 | 2022-03-15 | Milwaukee Electric Tool Corporation | Step drill bit |
US20210363831A1 (en) * | 2020-05-07 | 2021-11-25 | Kenneth Layton STARR | System and Method for A Drill Bit |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE914723C (en) * | 1949-02-03 | 1954-07-08 | Wallram Hartmetall | Drills for rock drilling machines |
US2607562A (en) * | 1951-03-19 | 1952-08-19 | Phipps Orville | Self-piloted rotary drill bit |
US2894726A (en) * | 1956-04-10 | 1959-07-14 | Earl M Weaver | Drilling bit |
US3127945A (en) * | 1960-03-02 | 1964-04-07 | Jersey Prod Res Co | Drag bit |
US3135341A (en) * | 1960-10-04 | 1964-06-02 | Christensen Diamond Prod Co | Diamond drill bits |
FR1282700A (en) * | 1960-12-16 | 1962-01-27 | Aquitaine Petrole | Diamond Drilling Tool Improvements |
FR2029963A5 (en) * | 1969-03-19 | 1970-10-23 | Petroles Cie Francaise | |
US3599736A (en) * | 1970-05-18 | 1971-08-17 | American Coldset Corp | Rotary drill bit |
-
1971
- 1971-05-04 FR FR7115966A patent/FR2135053B1/fr not_active Expired
-
1972
- 1972-04-26 DE DE2220455A patent/DE2220455C3/en not_active Expired
- 1972-04-26 GB GB1928472A patent/GB1394115A/en not_active Expired
- 1972-04-27 CH CH629472A patent/CH552126A/en not_active IP Right Cessation
- 1972-05-01 JP JP4358672A patent/JPS5318963B1/ja active Pending
- 1972-05-02 US US00249578A patent/US3768581A/en not_active Expired - Lifetime
- 1972-05-03 CA CA141,244A patent/CA967945A/en not_active Expired
- 1972-05-03 RO RO7270774A patent/RO64710A/en unknown
- 1972-05-03 IT IT23835/72A patent/IT954958B/en active
Also Published As
Publication number | Publication date |
---|---|
US3768581A (en) | 1973-10-30 |
IT954958B (en) | 1973-09-15 |
GB1394115A (en) | 1975-05-14 |
JPS5318963B1 (en) | 1978-06-17 |
FR2135053A1 (en) | 1972-12-15 |
CA967945A (en) | 1975-05-20 |
FR2135053B1 (en) | 1974-08-19 |
DE2220455B2 (en) | 1973-09-13 |
DE2220455C3 (en) | 1974-04-11 |
RO64710A (en) | 1979-06-15 |
DE2220455A1 (en) | 1972-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PFA | Name/firm changed |
Owner name: TOTAL COMPAGNIE FRANCAISE DES PETROLES, SOCIETE AN |
|
PL | Patent ceased |