CA2026378A1 - Detecteur de niveau d'eau - Google Patents
Detecteur de niveau d'eauInfo
- Publication number
- CA2026378A1 CA2026378A1 CA2026378A CA2026378A CA2026378A1 CA 2026378 A1 CA2026378 A1 CA 2026378A1 CA 2026378 A CA2026378 A CA 2026378A CA 2026378 A CA2026378 A CA 2026378A CA 2026378 A1 CA2026378 A1 CA 2026378A1
- Authority
- CA
- Canada
- Prior art keywords
- liquid level
- borehole
- pressure switch
- monitor point
- level detection
- 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.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title abstract 5
- 238000001514 detection method Methods 0.000 title 1
- 238000005259 measurement Methods 0.000 abstract 2
- 230000000630 rising effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 230000000007 visual effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
- G01F23/161—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid for discrete levels
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
- E21B47/047—Liquid level
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/419,348 | 1989-10-10 | ||
US07/419,348 US4972705A (en) | 1989-10-10 | 1989-10-10 | Liquid level detection |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2026378A1 true CA2026378A1 (fr) | 1991-04-11 |
CA2026378C CA2026378C (fr) | 1996-07-16 |
Family
ID=23661870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002026378A Expired - Fee Related CA2026378C (fr) | 1989-10-10 | 1990-09-27 | Detecteur de niveau d'eau |
Country Status (4)
Country | Link |
---|---|
US (1) | US4972705A (fr) |
AR (1) | AR244849A1 (fr) |
CA (1) | CA2026378C (fr) |
MX (1) | MX171017B (fr) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5094102A (en) * | 1989-10-10 | 1992-03-10 | Phillips Petroleum Company | Liquid level detection |
US5337601A (en) * | 1993-01-19 | 1994-08-16 | In-Situ, Inc. | Method and apparatus for measuring pressure in a sealed well using a differential transducer |
US5974874A (en) * | 1993-10-20 | 1999-11-02 | Gas Research Institute | Method for testing gas wells in low pressured gas formations |
US5621170A (en) * | 1993-10-20 | 1997-04-15 | Gas Research Institute | Method for testing gas wells in low pressured gas formations |
DE19514201C2 (de) * | 1995-04-15 | 1997-04-17 | Heinrich Krahn | Vorrichtung zum Messen der Flüssigkeitspegelstände und Flüssigkeitsvolumen in mehreren Behältern |
GB9920157D0 (en) * | 1999-08-25 | 1999-10-27 | Flow Control Systems Limited | Drain blockage ensor |
US6443005B1 (en) * | 2000-06-08 | 2002-09-03 | Chandler Systems, Inc. | Pressure activated control |
AT411711B (de) * | 2002-04-30 | 2004-04-26 | Hoffmann La Roche | Verfahren zur bestimmung des aktuellen füllstandes einer flüssigkeit in einem behälter |
DE102004015083A1 (de) * | 2004-03-25 | 2005-10-13 | Endress + Hauser Wetzer Gmbh + Co Kg | Probenehmer zur Entnahme einer definierten Probemenge eines fluiden Mediums aus einer Probe-Entnahmestelle |
US7692557B2 (en) * | 2006-11-20 | 2010-04-06 | Medina Donald A | Apparatus for assisting vehicle operators with backup operations |
US7845235B2 (en) * | 2007-11-06 | 2010-12-07 | Costin Sandu | Non-invasive system and method for measuring vacuum pressure in a fluid |
CN101408448B (zh) * | 2008-11-21 | 2010-04-14 | 湖南大学 | 高频高精度水位变化测量计 |
US8910710B2 (en) | 2011-05-24 | 2014-12-16 | Schneider Electric USA, Inc. | Pumpjack production control |
US11406415B2 (en) | 2012-06-11 | 2022-08-09 | Tenex Health, Inc. | Systems and methods for tissue treatment |
CN103712647B (zh) * | 2013-10-09 | 2016-08-17 | 山东科技大学 | 一种三维渗透流场监测装置 |
US9962181B2 (en) | 2014-09-02 | 2018-05-08 | Tenex Health, Inc. | Subcutaneous wound debridement |
CN106703747A (zh) * | 2016-12-12 | 2017-05-24 | 中国石油天然气股份有限公司 | 一种远程自控数字针阀装置及其方法和应用 |
CN108387290A (zh) * | 2018-02-02 | 2018-08-10 | 浙江中林勘察研究股份有限公司 | 简易承压水位测量仪器 |
CN117248888B (zh) * | 2023-10-25 | 2024-04-02 | 烟台中盾信息科技有限公司 | 一种无线井深水位测量仪 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB100474A (en) * | 1916-01-13 | 1916-05-25 | Ebenezer Timmins | Improvements in or relating to Means or Apparatus for Indicating Liquid Levels. |
GB353018A (en) * | 1930-04-17 | 1931-07-17 | Bailey Alfred John | Improvements in and relating to pneumatic depth indicators |
US3938549A (en) * | 1974-12-16 | 1976-02-17 | Frank W. Murphy Manufacturer, Inc. | Tattletale annuciator and shut-down control for compressors or like equipment |
US3969942A (en) * | 1975-08-11 | 1976-07-20 | Hope Henry F | Liquid level responsive apparatus |
US4523465A (en) * | 1984-01-09 | 1985-06-18 | The United States Of America As Represented By The United States Department Of Energy | Wireless remote liquid level detector and indicator for well testing |
US4570718A (en) * | 1984-12-21 | 1986-02-18 | Adams Jr Harold P | Oil level sensor system and method for oil wells |
US4747451A (en) * | 1987-08-06 | 1988-05-31 | Oil Well Automation, Inc. | Level sensor |
-
1989
- 1989-10-10 US US07/419,348 patent/US4972705A/en not_active Expired - Lifetime
-
1990
- 1990-09-27 CA CA002026378A patent/CA2026378C/fr not_active Expired - Fee Related
- 1990-10-09 MX MX022748A patent/MX171017B/es unknown
- 1990-10-10 AR AR90318049A patent/AR244849A1/es active
Also Published As
Publication number | Publication date |
---|---|
US4972705A (en) | 1990-11-27 |
AR244849A1 (es) | 1993-11-30 |
MX171017B (es) | 1993-09-24 |
CA2026378C (fr) | 1996-07-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed | ||
MKLA | Lapsed |
Effective date: 20030929 |