CA950356A - Wellpoints - Google Patents

Wellpoints

Info

Publication number
CA950356A
CA950356A CA140,923,A CA140923A CA950356A CA 950356 A CA950356 A CA 950356A CA 140923 A CA140923 A CA 140923A CA 950356 A CA950356 A CA 950356A
Authority
CA
Canada
Prior art keywords
wellpoints
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
Application number
CA140,923,A
Other languages
English (en)
Other versions
CA140923S (fr
Inventor
Ronald N. Allen
Ernest W. Potter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henry Sykes Ltd
Original Assignee
Henry Sykes Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henry Sykes Ltd filed Critical Henry Sykes Ltd
Application granted granted Critical
Publication of CA950356A publication Critical patent/CA950356A/en
Expired legal-status Critical Current

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)
CA140,923,A 1971-05-20 1972-05-01 Wellpoints Expired CA950356A (en)

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
CA950356A true CA950356A (en) 1974-07-02

Family

ID=10070021

Family Applications (1)

Application Number Title Priority Date Filing Date
CA140,923,A Expired CA950356A (en) 1971-05-20 1972-05-01 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
GB1385193A (en) 1975-02-26
ZA723068B (en) 1973-02-28
FR2138714A1 (it) 1973-01-05
BE783486A (fr) 1972-09-01
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

Similar Documents

Publication Publication Date Title
AU450078B2 (en) SUBSTITUTED-p-MENTHANES
AU475506B2 (en) Compost-toilet
AU463807B2 (en) Furyland furfuryl-benzomorphanes
AU3256971A (en) Medicament-container
AU4928872A (en) Thienobenzazepines
CA950356A (en) Wellpoints
AU456376B2 (en) Weed-extractor
AU462761B2 (en) 2-aminoquinoxalines
AU467477B2 (en) QUINOXALINE-din-OXIDES
AU474208B2 (en) 3-trifluoro-methylanilides
AU466226B1 (en) Wall-plugs
AU468156B2 (en) 5-nitroimidazoles
AU463139B2 (en) Multiseeders
AU470596B2 (en) N-aryl-ureas
AU3750371A (en) Cikir bibd syrveukkabce ststem
AU2792771A (en) Paddleboat
AU4970372A (en) Bottlecap
AU3244971A (en) Clipshade
AU480114B2 (en) Phenylformamidines
AU444883B2 (en) N-sulphenyl-carbamates
AU437209B2 (en) Ear-tag
AU465713B2 (en) 3-aroyl-alkenylimines
AU455851B2 (en) Hub-mounting
AU462302B2 (en) Aminoisoquinolines
AU454300B2 (en) Oestratrienes