GB9002297D0 - Extracting and conveying a layer of material which is under water - Google Patents

Extracting and conveying a layer of material which is under water

Info

Publication number
GB9002297D0
GB9002297D0 GB909002297A GB9002297A GB9002297D0 GB 9002297 D0 GB9002297 D0 GB 9002297D0 GB 909002297 A GB909002297 A GB 909002297A GB 9002297 A GB9002297 A GB 9002297A GB 9002297 D0 GB9002297 D0 GB 9002297D0
Authority
GB
United Kingdom
Prior art keywords
extracting
conveying
layer
under water
water
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.)
Withdrawn
Application number
GB909002297A
Other versions
GB2231601A (en
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.)
Bilfinger SE
Original Assignee
Bilfinger und Berger Bau AG
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 Bilfinger und Berger Bau AG filed Critical Bilfinger und Berger Bau AG
Publication of GB9002297D0 publication Critical patent/GB9002297D0/en
Publication of GB2231601A publication Critical patent/GB2231601A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9206—Digging devices using blowing effect only, like jets or propellers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9243—Passive suction heads with no mechanical cutting means
    • E02F3/925—Passive suction heads with no mechanical cutting means with jets
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/92—Digging elements, e.g. suction heads
    • E02F3/9293—Component parts of suction heads, e.g. edges, strainers for preventing the entry of stones or the like
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/005—Equipment for conveying or separating excavated material conveying material from the underwater bottom
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F7/00—Equipment for conveying or separating excavated material
    • E02F7/02—Conveying equipment mounted on a dredger
    • E02F7/023—Conveying equipment mounted on a dredger mounted on a floating dredger
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E21B3/02—Surface drives for rotary drilling
    • E21B3/025—Surface drives for rotary drilling with a to-and-fro rotation of the tool
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/12—Valve arrangements for boreholes or wells in wells operated by movement of casings or tubings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B43/29—Obtaining a slurry of minerals, e.g. by using nozzles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B7/185—Drilling by liquid or gas jets, with or without entrained pellets underwater

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
GB9002297A 1989-06-22 1990-02-01 Extracting and conveying a layer of material which is underwater Withdrawn GB2231601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3920392A DE3920392A1 (en) 1989-06-22 1989-06-22 METHOD FOR DEGRADING AND PROMOTING A SOIL LAYER UNDER WATER, AND DEVICE FOR CARRYING OUT THE METHOD

Publications (2)

Publication Number Publication Date
GB9002297D0 true GB9002297D0 (en) 1990-03-28
GB2231601A GB2231601A (en) 1990-11-21

Family

ID=6383290

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9002297A Withdrawn GB2231601A (en) 1989-06-22 1990-02-01 Extracting and conveying a layer of material which is underwater

Country Status (3)

Country Link
DE (1) DE3920392A1 (en)
GB (1) GB2231601A (en)
NL (1) NL8902028A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2301128B (en) * 1995-05-24 1999-03-17 Hector Filippus Alexand Susman Improvements in or relating to underwater excavation apparatus
DE19609899A1 (en) * 1996-03-13 1997-09-18 Wirth Co Kg Masch Bohr Device for producing an earth hole
DE19626591C1 (en) * 1996-07-02 1998-04-16 Wirth Co Kg Masch Bohr Process for drilling boreholes in the soil with discharge of the drill material according to the air lifting process and drilling tool for applying the process
DE19626589C1 (en) * 1996-07-02 1998-02-12 Wirth Co Kg Masch Bohr Sinking boreholes in soft ground
CA2210442C (en) * 1996-07-16 2004-05-04 Bauer Spezialtiefbau Gmbh A cutter head, boring jig and device and process for sea bottom boring
AU730041B2 (en) 1996-12-10 2001-02-22 Wirth Maschinen- Und Bohrgerate-Fabrik Gmbh Method of, and apparatus for, sinking bore holes, in particular exploratory and extraction bore holes, in the sea bed
DE10155105C1 (en) * 2001-11-09 2003-04-10 Bauer Maschinen Gmbh Earth drill with pipe line installer has frame supporting hollow drill shaft with flushing pipes
NL1026772C2 (en) * 2004-08-03 2006-02-06 Bos & Kalis Baggermaatsch Method and device for dredging an intermediate layer.
WO2011154919A2 (en) * 2010-06-10 2011-12-15 Ocean Technologies Limited A drill, related drilling arrangement and/or methods therefor
CN106703813A (en) * 2016-12-20 2017-05-24 武汉理工大学 Bubble-drag-reduction-type marine mining riser
NL2031745B1 (en) * 2022-04-29 2023-11-13 Bell Dredging Pumps B V Device and system for moving and/or removing an object

Also Published As

Publication number Publication date
DE3920392A1 (en) 1991-01-10
NL8902028A (en) 1991-01-16
GB2231601A (en) 1990-11-21

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)