ZA723068B - Improvements in or relating to wellpoints - Google Patents
Improvements in or relating to wellpointsInfo
- Publication number
- ZA723068B ZA723068B ZA723068A ZA723068A ZA723068B ZA 723068 B ZA723068 B ZA 723068B ZA 723068 A ZA723068 A ZA 723068A ZA 723068 A ZA723068 A ZA 723068A ZA 723068 B ZA723068 B ZA 723068B
- Authority
- ZA
- South Africa
- Prior art keywords
- wellpoints
- relating
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/10—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains
- E02D3/103—Improving by compacting by watering, draining, de-aerating or blasting, e.g. by installing sand or wick drains by installing wick drains or sand bags
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/06—Methods or installations for obtaining or collecting drinking water or tap water from underground
- E03B3/08—Obtaining and confining water by means of wells
- E03B3/16—Component parts of wells
- E03B3/18—Well filters
- E03B3/20—Well filters of elements of special shape
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/082—Screens comprising porous materials, e.g. prepacked screens
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Soil Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Filtration Of Liquid (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1603871A GB1385193A (en) | 1971-05-20 | 1971-05-20 | Well points |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA723068B true ZA723068B (en) | 1973-02-28 |
Family
ID=10070021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA723068A ZA723068B (en) | 1971-05-20 | 1972-05-05 | Improvements in or relating to wellpoints |
Country Status (10)
Country | Link |
---|---|
AU (1) | AU4180972A (it) |
BE (1) | BE783486A (it) |
CA (1) | CA950356A (it) |
DE (1) | DE2222282A1 (it) |
ES (1) | ES403339A1 (it) |
FR (1) | FR2138714B1 (it) |
GB (1) | GB1385193A (it) |
IT (1) | IT969316B (it) |
NL (1) | NL7206823A (it) |
ZA (1) | ZA723068B (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL163590C (nl) * | 1978-06-07 | 1980-09-15 | Dhv Raadgevend Ing | Filterbuis voor bronbemaling. |
ATE137282T1 (de) * | 1991-04-09 | 1996-05-15 | Bayer Ag | Durch klebeverbindungen hergestellte wassergewinnungselemente und deren verwendung |
NL1021961C2 (nl) * | 2002-11-20 | 2004-05-24 | Bos & Kalis Baggermaatsch | Inrichting voor het in een bodem inbrengen van een drainagelint. |
DE102008057894A1 (de) | 2008-11-18 | 2010-06-02 | Esk Ceramics Gmbh & Co. Kg | Trennvorrichtung zur Abtrennung von Sand- und Gesteinspartikeln |
CN108952217B (zh) * | 2018-07-31 | 2020-12-01 | 中地寅岗建设集团有限公司 | 一种用于绿色建筑的土地支撑结构 |
-
1971
- 1971-05-20 GB GB1603871A patent/GB1385193A/en not_active Expired
-
1972
- 1972-05-01 CA CA140,923,A patent/CA950356A/en not_active Expired
- 1972-05-03 AU AU41809/72A patent/AU4180972A/en not_active Expired
- 1972-05-05 ZA ZA723068A patent/ZA723068B/xx unknown
- 1972-05-06 DE DE19722222282 patent/DE2222282A1/de active Pending
- 1972-05-15 BE BE783486A patent/BE783486A/xx unknown
- 1972-05-15 IT IT24347/72A patent/IT969316B/it active
- 1972-05-16 FR FR727217439A patent/FR2138714B1/fr not_active Expired
- 1972-05-18 ES ES403339A patent/ES403339A1/es not_active Expired
- 1972-05-19 NL NL7206823A patent/NL7206823A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1385193A (en) | 1975-02-26 |
FR2138714A1 (it) | 1973-01-05 |
BE783486A (fr) | 1972-09-01 |
CA950356A (en) | 1974-07-02 |
AU4180972A (en) | 1973-11-08 |
ES403339A1 (es) | 1975-04-16 |
FR2138714B1 (it) | 1973-07-13 |
DE2222282A1 (de) | 1972-11-23 |
NL7206823A (it) | 1972-11-22 |
IT969316B (it) | 1974-03-30 |
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