FR1533960A - Device for measuring the speed of a drilling tool - Google Patents
Device for measuring the speed of a drilling toolInfo
- Publication number
- FR1533960A FR1533960A FR110019A FR110019A FR1533960A FR 1533960 A FR1533960 A FR 1533960A FR 110019 A FR110019 A FR 110019A FR 110019 A FR110019 A FR 110019A FR 1533960 A FR1533960 A FR 1533960A
- Authority
- FR
- France
- Prior art keywords
- measuring
- speed
- drilling tool
- drilling
- tool
- 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.)
- Expired
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
- E21B45/00—Measuring the drilling time or rate of penetration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/489—Digital circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Physics & Mathematics (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR110019A FR1533960A (en) | 1967-06-12 | 1967-06-12 | Device for measuring the speed of a drilling tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR110019A FR1533960A (en) | 1967-06-12 | 1967-06-12 | Device for measuring the speed of a drilling tool |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1533960A true FR1533960A (en) | 1968-07-26 |
Family
ID=8632823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR110019A Expired FR1533960A (en) | 1967-06-12 | 1967-06-12 | Device for measuring the speed of a drilling tool |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1533960A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2037133A1 (en) * | 1969-02-27 | 1970-12-31 | Liston John |
-
1967
- 1967-06-12 FR FR110019A patent/FR1533960A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2037133A1 (en) * | 1969-02-27 | 1970-12-31 | Liston John |
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