FR2337875B1 - - Google Patents
Info
- Publication number
- FR2337875B1 FR2337875B1 FR7617143A FR7617143A FR2337875B1 FR 2337875 B1 FR2337875 B1 FR 2337875B1 FR 7617143 A FR7617143 A FR 7617143A FR 7617143 A FR7617143 A FR 7617143A FR 2337875 B1 FR2337875 B1 FR 2337875B1
- Authority
- FR
- France
- 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
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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86389—Programmer or timer
- Y10T137/86445—Plural, sequential, valve actuations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/877—With flow control means for branched passages
- Y10T137/87829—Biased valve
- Y10T137/87837—Spring bias
- Y10T137/87861—Spring coaxial with valve
- Y10T137/87869—Biased open
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)
- Fluid-Pressure Circuits (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/584,613 US4000645A (en) | 1975-06-06 | 1975-06-06 | Apparatus for pneumatically monitoring conditions of a well circulating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2337875A1 FR2337875A1 (fr) | 1977-08-05 |
| FR2337875B1 true FR2337875B1 (OSRAM) | 1982-12-10 |
Family
ID=24338093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7617143A Granted FR2337875A1 (fr) | 1975-06-06 | 1976-06-04 | Appareil pneumatique de controle de conditions dans un circuit de circulation dans un forage |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4000645A (OSRAM) |
| CA (1) | CA1051297A (OSRAM) |
| FR (1) | FR2337875A1 (OSRAM) |
| GB (1) | GB1537317A (OSRAM) |
| NL (1) | NL7606041A (OSRAM) |
| NO (1) | NO761910L (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730233A (en) * | 1996-07-22 | 1998-03-24 | Alberta Industrial Technologies Ltd. | Method for detecting changes in rate of discharge of fluid from a wellbore |
| US8448657B2 (en) | 2010-04-26 | 2013-05-28 | Red Mountain Engineering Llc | Passive-cycle skipping valve |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3070295A (en) * | 1961-05-12 | 1962-12-25 | Ibm | Fluid operated logical devices |
| US3602322A (en) * | 1968-10-24 | 1971-08-31 | Dale C Gorsuch | Fluid flow monitoring system for well drilling operations |
| US3614761A (en) * | 1969-11-03 | 1971-10-19 | Dresser Ind | Method and apparatus for monitoring potential or lost circulation in an earth borehole |
| US3726136A (en) * | 1970-12-17 | 1973-04-10 | Petro Electronics Inc | Drilling-fluid control-monitoring apparatus |
| US3750480A (en) * | 1971-04-23 | 1973-08-07 | Warren Automatic Tool Co | Pneumatic measurement apparatus |
-
1975
- 1975-06-06 US US05/584,613 patent/US4000645A/en not_active Expired - Lifetime
-
1976
- 1976-05-26 CA CA253,406A patent/CA1051297A/en not_active Expired
- 1976-06-03 NL NL7606041A patent/NL7606041A/xx not_active Application Discontinuation
- 1976-06-04 FR FR7617143A patent/FR2337875A1/fr active Granted
- 1976-06-04 NO NO761910A patent/NO761910L/no unknown
- 1976-06-04 GB GB23312/76A patent/GB1537317A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO761910L (OSRAM) | 1976-12-07 |
| NL7606041A (nl) | 1976-12-08 |
| US4000645A (en) | 1977-01-04 |
| CA1051297A (en) | 1979-03-27 |
| FR2337875A1 (fr) | 1977-08-05 |
| GB1537317A (en) | 1978-12-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |