FR2332414A1 - Alesoir creux pour equipement de forage - Google Patents
Alesoir creux pour equipement de forageInfo
- Publication number
- FR2332414A1 FR2332414A1 FR7535149A FR7535149A FR2332414A1 FR 2332414 A1 FR2332414 A1 FR 2332414A1 FR 7535149 A FR7535149 A FR 7535149A FR 7535149 A FR7535149 A FR 7535149A FR 2332414 A1 FR2332414 A1 FR 2332414A1
- Authority
- FR
- France
- Prior art keywords
- reamer
- extending
- trepanning tool
- head
- boring bar
- 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.)
- Withdrawn
Links
- 239000010432 diamond Substances 0.000 title abstract 2
- 229910003460 diamond Inorganic materials 0.000 title 1
- 229910001092 metal group alloy Inorganic materials 0.000 abstract 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
- E21B10/26—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
- E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
- E21B10/48—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of core type
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7535149A FR2332414A1 (fr) | 1975-11-18 | 1975-11-18 | Alesoir creux pour equipement de forage |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7535149A FR2332414A1 (fr) | 1975-11-18 | 1975-11-18 | Alesoir creux pour equipement de forage |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2332414A1 true FR2332414A1 (fr) | 1977-06-17 |
Family
ID=9162547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7535149A Withdrawn FR2332414A1 (fr) | 1975-11-18 | 1975-11-18 | Alesoir creux pour equipement de forage |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2332414A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1023352B1 (fr) * | 2016-01-29 | 2017-02-13 | Diarotech S.A. | Couronne miniere comprenant des segments impregnes de diamant obtenus par frittage a chaud |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE851332C (de) * | 1945-03-30 | 1952-10-02 | Salzgitter Maschinen Ag | Kernbohrer fuer Tiefbohrungen |
DE943341C (de) * | 1953-12-19 | 1956-05-17 | Winter & Sohn Ernst | Raeumer fuer Tiefbohrkronen |
US3237705A (en) * | 1963-11-13 | 1966-03-01 | Williams Joseph W | Reamer for enlarging and straightening bore holes |
US3367430A (en) * | 1966-08-24 | 1968-02-06 | Christensen Diamond Prod Co | Combination drill and reamer bit |
US3575247A (en) * | 1969-03-06 | 1971-04-20 | Shell Oil Co | Diamond bit unit |
-
1975
- 1975-11-18 FR FR7535149A patent/FR2332414A1/fr not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE851332C (de) * | 1945-03-30 | 1952-10-02 | Salzgitter Maschinen Ag | Kernbohrer fuer Tiefbohrungen |
DE943341C (de) * | 1953-12-19 | 1956-05-17 | Winter & Sohn Ernst | Raeumer fuer Tiefbohrkronen |
US3237705A (en) * | 1963-11-13 | 1966-03-01 | Williams Joseph W | Reamer for enlarging and straightening bore holes |
US3367430A (en) * | 1966-08-24 | 1968-02-06 | Christensen Diamond Prod Co | Combination drill and reamer bit |
US3575247A (en) * | 1969-03-06 | 1971-04-20 | Shell Oil Co | Diamond bit unit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1023352B1 (fr) * | 2016-01-29 | 2017-02-13 | Diarotech S.A. | Couronne miniere comprenant des segments impregnes de diamant obtenus par frittage a chaud |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |