WO1994024414A1 - Verfahren und vorrichtung zum verlegen von unterirdischen sammelleitungen für flüssigkeiten und gase - Google Patents
Verfahren und vorrichtung zum verlegen von unterirdischen sammelleitungen für flüssigkeiten und gase Download PDFInfo
- Publication number
- WO1994024414A1 WO1994024414A1 PCT/EP1994/001248 EP9401248W WO9424414A1 WO 1994024414 A1 WO1994024414 A1 WO 1994024414A1 EP 9401248 W EP9401248 W EP 9401248W WO 9424414 A1 WO9424414 A1 WO 9424414A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- strand
- tube
- filter strand
- bore
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 63
- 239000007789 gas Substances 0.000 title claims description 4
- 239000007788 liquid Substances 0.000 title claims description 4
- 239000002689 soil Substances 0.000 claims abstract description 22
- 239000004576 sand Substances 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims description 30
- 238000005253 cladding Methods 0.000 claims description 28
- 238000010276 construction Methods 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000035699 permeability Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 229920000426 Microplastic Polymers 0.000 claims description 2
- 239000002033 PVDF binder Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- -1 polyethylene Polymers 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 239000004753 textile Substances 0.000 claims description 2
- 239000004746 geotextile Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract 8
- 239000003673 groundwater Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000010327 methods by industry Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000005067 remediation Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000015142 cultured sour cream Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
- E21B43/02—Subsoil filtering
- E21B43/10—Setting of casings, screens, liners or the like in wells
-
- 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
- E03B3/14—Obtaining and confining water by means of wells by means of horizontal or oblique wells
-
- 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
- E21B43/02—Subsoil filtering
- E21B43/04—Gravelling of wells
-
- 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
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/082—Screens comprising porous materials, e.g. prepacked screens
-
- 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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
Definitions
- the invention relates to a method for laying underground collecting lines for liquids and gases, in particular for the construction of horizontal filter wells and drainage lines, and a working medium for carrying out the method.
- horizontal filter well construction The construction of horizontal, arched, sloping or winding wells and drainage pipes for groundwater and backwater as well as for soil air is summarized with the term horizontal filter well construction.
- Conventional horizontal filter wells are used for the extraction of groundwater, which is led into a vertical main shaft through horizontally laid filter pipes. From there, the water is brought to the surface by means of pumps. This type of well can also be used to remove pollutants in areas of contaminated site remediation and protection.
- Such horizontal filter wells have technical advantages over vertical wells and, under certain conditions, economic advantages.
- horizontal filter wells can in principle be used wherever relatively shallow water has to be cleaned up, or in heavily layered soils where a certain layer has to be developed for soil air remediation.
- Horizontal filter wells are also preferably used in areas which have a built-up area or where other uses do not permit the construction of vertical wells, or where there are hydraulic requirements which suggest horizontal filter well construction.
- the Preussag company publishes a prospectus in which the Preussag procedure is described in detail.
- the procedure is to be briefly explained using the example of the Preussag process:
- a main shaft that reaches into the groundwater is first prepared and baptized.
- Straight horizontal bores are drilled with drilling tubes from a working level.
- the filter tubes are then installed in these drill pipes.
- the drill pipes are gradually pulled out of the holes, while filter gravel is washed into the cavity between the bore and the filter pipe under high pressure, so that the filter gravel can settle between the drill wall and the filter pipe.
- This filter jacket can consist of filter gravel or filter sand.
- the horizontal drilling in this method can only reach a limited length of up to about 60 m, and this only in a straight line.
- the possible drilling lengths are determined by the soil properties.
- the invention is based on the idea of making the necessary horizontal bores from the surface (e.g. without a shaft on flat terrain) and introducing the already prefabricated filter line structure with suitable filter tubes and a filter gravel casing, the so-called filter strand, into the bores from these surfaces .
- a filter strand is understood to mean a one- or multi-part inner filter tube with a surrounding one- or multi-part gravel casing.
- a fully controllable, remotely steerable drill head is used, which enables curved or curved bores to be drilled.
- Such a course-controlled drilling process has for the construction of horizontal filter wells the advantage that the compaction of the soil for most types of soil is in an area that is tolerable for the construction of soil air, backwater or groundwater wells.
- a high-pressure water jet cuts a micro tunnel into the ground under mechanical feed.
- a support suspension for the borehole is advantageously mixed into this high-pressure water jet, as a result of which a part of the dissolved soil material is displaced into the surrounding matrix and a part is discharged with the drill suspension.
- the borehole is stabilized on the one hand and, on the other hand, a certain sliding effect is generated when a filter train pull-in unit is pulled in, depending on the composition of the drilling fluid.
- Filter strand pull-in unit is understood here as the working means for carrying out the method according to claim 20 or 21.
- slight changes in permeability occur, which are regulated by the type of drilling in detail and by the flushing quantity, flushing pressure and flushing composition.
- the first bore is advantageous to have a small diameter by means of an expansion head.
- the drill head is exited through the expansion head after it has emerged from the outlet opening of the bore exchanged and this is then withdrawn through the pilot hole or the micro tunnel in a hydraulic-mechanical manner.
- the diameter of the expansion head should, if possible, be at least the same size or larger than the diameter of the filter strand pull-in unit, in order to allow the lowest possible frictional forces when pulling into the bore.
- the filter strand pull-in unit is drawn in with the expansion head in the wake of the hydraulic-mechanical working expansion head.
- the filter strand can be fixed in the top opening, and the protective tube of the filter strand drawing unit can be pulled out to the other opening.
- a working medium with an outer cladding tube which encloses a filter tube located therein, is used to carry out the method, the space between the filter strand and the outer cladding tube advantageously being filled by a filter sand and / or filter gravel filling (filter gravel jacket).
- filter gravel filling filter gravel jacket
- Such a structure makes it possible for the distribution of the filter gravel filling and the filter duct embedded therein to be optimally constructed in accordance with the requirements.
- the structure of the filter strand can be prefabricated and faulty locations can thereby be avoided.
- This arrangement is also very advantageous because the entire structure of the filter train structure to be installed can be checked beforehand.
- the filter strand structure can be optimally adapted to the hydrological conditions.
- this filling can be built up exactly in a predetermined manner and can also be checked before installation.
- filter line materials can be used in the working medium according to the invention.
- the filter tube itself can be a porous, self-supporting plastic filter tube, which consists of PE, PVDF, PTFE, PT, PU, PVC or the like.
- porous self-supporting ceramic or sintered metal filter tubes or filter tubes made of other porous self-supporting materials can be used in the filter strand.
- the structure of the individual filter strands can advantageously also be adapted to the geological process engineering requirements with regard to geo etri ⁇ .
- the filter strand unit is constructed with different flexibility, if necessary, so that various radii of curvature of the horizontal filter well or the drainage line of the borehole are possible.
- the outer cladding tube is made of a smooth, stable plastic such as polyethylene or the like, as a result of which the
- Filter strand pull-in unit is visible in this bore.
- the sensitive filter strand is protected from drilling fluid and boron sour cream access and the outer cladding tube relieves the actual filter strand and keeps it free from frictional forces.
- the method according to the invention can open up completely new areas, since the individual filter strands can be varied in number, diameter and length up to 500 m (even longer with the appropriate drilling technique). Very small diameters of the individual filter lines are also possible, which were not achieved with the known methods.
- FIG. 1 a shows a schematic illustration of the advance of a bore
- FIG. 2 shows a plan view with exemplary course shapes of the wells and drainages
- Fig. 4 shows a schematic section perpendicular to
- Filter strand (exemplary embodiment) with the protective tube still pulled.
- FIGS. 1 and 2 includes a built according to the inventive method
- Each individual bore 1 has an inlet opening 3 and an outlet opening 4, through which the filter rod pull-in unit 5 is pulled in.
- the filter filament 52, 53 lies underneath the particle c ⁇ s groundwater in the unsaturated zone or in backwater.
- a removal device 6 On the surface there is a removal device 6, in which the suction, vacuum generator or the like which serves to convey the groundwater, the backwater or the soil air are accommodated.
- the filter tube 53 is sealed off from the sections lying above and below the soil layer to be cultivated and only has permeabilities through openings, slots, pores 54 or the like in the filter tube 53, through which the groundwater, backwater or di ⁇ , within the soil layer to be cultivated Soil air can flow in.
- the sections that are not managed are, as is customary in well construction, expanded with full pipes instead of the filter line 52, 53.
- Fig. 3 it can be seen that the Aufw ⁇ itkopf 10 is coupled to the Bohrg ⁇ stShe 11. Behind the expander head 10, the filter strand single-unit 5 is connected to the expander head 10 via a connection 12.
- Filter strand pull-in unit ⁇ in outer cladding tube 51, a differently granular filling 52 and a filter tube 53.
- the actual filter strand consists of the filter gravel filling 52 and the filter tube 53.
- a drilling head 14 is driven with ⁇ in ⁇ m Bohrg ⁇ rät 13 to form an entry opening 3 in the ground.
- the drilling head 14 is located and located via a locating device Required, accordingly, controlled remotely in the desired direction.
- the bore is led to an outlet opening 4, at which the drill head 14 is replaced by an expansion head 10.
- the drill pipe 11 is withdrawn towards the inlet opening 3, the drill pipe 11 rotating with water pressure jets with the expander head 10 moving through the borehole 1, and thereby the diameter of the bore 1 is enlarged by the expander head 10.
- the filter strand drawing-in unit 5 is drawn in as far as the inlet opening 3.
- a drilling suspension assembled according to the soil requirements is introduced into the loosened bottom of the drilling wall 1 through the nozzle or nozzles attached to the expanding head 10.
- this drilling suspension By means of this drilling suspension, the friction on the outer cladding tube 51 of the filter rod insertion unit 5 and the force required to pull back the drill pipe 11 and the filter rod insertion unit 5 are reduced and additionally the borehole 1 is stabilized.
- plastic granules of a certain grain size can also be used as the filter filling 52. It is also possible to - under pressure from the inlet opening 3 into the filter tube 53, which exits underground through the openings 54 in the filter tube 53 and additionally reduces the friction between the filter strand 52, 53 and the outer cladding tube 51.
- the horizontal filter wells formed by bores 1 and filter strands 52, 53 drawn therein can be operated in different ways.
Abstract
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/360,747 US5597045A (en) | 1993-04-22 | 1994-04-21 | Process and tool for laying underground collector mains for liquids and gases |
JP6522786A JP2771037B2 (ja) | 1993-04-22 | 1994-04-21 | 液体または気体を集める収集管を地下に埋設し,水平なフィルター横穴および排水管を構築する方法、およびそれに用いる装置 |
DK94915086T DK0646213T4 (da) | 1993-04-22 | 1994-04-21 | Fremgangsmåde og apparat til lægning af underjordiske samleledninger til væsker og gasser |
EP94915086A EP0646213B2 (de) | 1993-04-22 | 1994-04-21 | Verfahren und vorrichtung zum verlegen von unterirdischen sammelleitungen für flüssigkeiten und gase |
RU9494046359A RU2100531C1 (ru) | 1993-04-22 | 1994-04-21 | Способ прокладки подземных коллекторов для жидкостей и газов и рабочее средство для его осуществления |
DE59406477T DE59406477D1 (de) | 1993-04-22 | 1994-04-21 | Verfahren und vorrichtung zum verlegen von unterirdischen sammelleitungen für flüssigkeiten und gase |
CA002138401A CA2138401C (en) | 1993-04-22 | 1994-04-21 | Process and tool for laying underground collector mains for liquids and gases |
LVP-94-261A LV11361B (en) | 1993-04-22 | 1994-12-21 | Process and tool for laying underground collector means for liquids and gases |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4313221A DE4313221C2 (de) | 1993-04-22 | 1993-04-22 | Verfahren zum Verlegen von unterirdischen Sammelleitungen für Flüssigkeiten und Gase, insbesondere zum Bau von Horizontalfilterbrunnen und Drainageleitungen, und Arbeitsmittel zur Durchführung des Verfahrens |
DEP4313221.9 | 1993-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1994024414A1 true WO1994024414A1 (de) | 1994-10-27 |
Family
ID=6486128
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1994/001248 WO1994024414A1 (de) | 1993-04-22 | 1994-04-21 | Verfahren und vorrichtung zum verlegen von unterirdischen sammelleitungen für flüssigkeiten und gase |
Country Status (12)
Country | Link |
---|---|
US (1) | US5597045A (de) |
EP (1) | EP0646213B2 (de) |
JP (1) | JP2771037B2 (de) |
CN (1) | CN1107643A (de) |
AT (1) | ATE168738T1 (de) |
CA (1) | CA2138401C (de) |
DE (2) | DE4313221C2 (de) |
DK (1) | DK0646213T4 (de) |
ES (1) | ES2120041T5 (de) |
LV (1) | LV11361B (de) |
RU (1) | RU2100531C1 (de) |
WO (1) | WO1994024414A1 (de) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
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DE29507752U1 (de) * | 1995-05-11 | 1995-08-10 | C & E Consulting Und Engineeri | Vorrichtung zur Gewinnung von Sickerwasserproben aus Haldenkörpern zur Beprobung dieser als praktikable Kleinanlage |
ES2140994B1 (es) * | 1996-04-03 | 2000-10-16 | Oficina Tecnica D Edificacio D | Instalacion para extraccion, filtrado, desinfectado y suministro de agua, por ejemplo para lavapies y duchas de playa. |
US6390192B2 (en) * | 1998-03-31 | 2002-05-21 | Well, Well, Well, Inc. | Integral well filter and screen and method for making and using same |
DE19831058C2 (de) * | 1998-07-13 | 2000-11-30 | Preussag Spezialtiefbau Gmbh N | Verfahren zum Behandeln der Innenseite von Hohlräumen mit einer Flüssigkeit und Vorrichtung zur Durchführung des Verfahrens |
DE19839340C1 (de) * | 1998-08-28 | 2000-06-21 | Preussag Spezialtiefbau Gmbh N | Verfahren zum Bau eines Brunnens |
US6422318B1 (en) * | 1999-12-17 | 2002-07-23 | Scioto County Regional Water District #1 | Horizontal well system |
EP1167681A1 (de) * | 2000-06-21 | 2002-01-02 | Georg Föckersperger GmbH | Verfahren und Vorrichtung zum Verlegen einer Leitung in den Erdboden |
AT4562U3 (de) * | 2001-05-17 | 2002-04-25 | Gls Baugmbh & Co Kg | Verfahren zur sanierung von tunnel-rückflächenentwässerungen |
DE10153061C2 (de) * | 2001-10-30 | 2003-11-20 | Tracto Technik | Filterstrang für unterirdische Sammelleitungen und Verfahren zum Einbringen des Filterstrangs in vorbestimmte Bodenschichten |
US6612778B1 (en) | 2002-05-01 | 2003-09-02 | Edward E. Gillen Co. | System and method for preventing bluff erosion |
JP2005180095A (ja) * | 2003-12-22 | 2005-07-07 | Ashimori Ind Co Ltd | 海浜からの水抜き方法及びその水抜き管 |
US6948886B1 (en) | 2004-08-12 | 2005-09-27 | Edward E. Gillen Co. | System and method for preventing bluff erosion |
US7284615B2 (en) * | 2004-08-30 | 2007-10-23 | Anadarko Petroleum Corporation | Method and system for installing and maintaining a pipeline while minimizing associated ground disturbance |
ES2251874B1 (es) * | 2004-10-21 | 2007-03-16 | Catalana De Perforacions, S.A. | Procedimiento de instalacion de drenes horizontales para la captacion de agua marina. |
AU2009229585A1 (en) * | 2008-03-22 | 2009-10-01 | Visser & Smit Hanab Bv | Pit and related covered filter tube |
DE102008053239B3 (de) * | 2008-10-25 | 2010-08-19 | Technische Universität Bergakademie Freiberg | Vorrichtung zum Herstellen eines verlaufsgesteuerten Horizontalfilterbrunnens mit verkiestem Ringraum |
CN102070212B (zh) * | 2009-11-23 | 2014-03-12 | 北京市水科学技术研究院 | 滤井循环净化系统及使用该系统净化河水的方法 |
EP2875204B1 (de) | 2012-07-20 | 2020-09-02 | Merlin Technology Inc. | Unterirdische operationen, system, kommunikation und assoziierte vorrichtung |
RU2531913C2 (ru) * | 2012-12-03 | 2014-10-27 | Алексей Алексеевич Воронин | Способ защиты карьера от притока подземных вод |
CN103453216B (zh) * | 2013-08-19 | 2015-06-17 | 广州市恒盛建设工程有限公司 | 一种多管孔高密度聚乙烯管道的非开挖施工方法 |
DE102014009630A1 (de) * | 2014-06-27 | 2015-12-31 | Rüdiger Kögler | Verfahren und Vorrichtung zur Erstellung eines Bohrlochs |
CN105256684B (zh) * | 2015-09-08 | 2017-07-11 | 河南万里路桥集团股份有限公司 | 一种路堤横向排水施工方法 |
CN106368191A (zh) * | 2016-08-29 | 2017-02-01 | 山东胜伟园林科技有限公司 | 一种盐碱地土壤改良埋设集水管构造 |
EP3826748A4 (de) * | 2018-07-25 | 2022-06-22 | Ellingson Drainage, Inc. | Grundwasserbehandlungssysteme und -verfahren |
CN110359520A (zh) * | 2019-07-08 | 2019-10-22 | 重庆泓源渗滤取水科技有限公司 | 采用顶管技术安设过滤器采集周边地下水的方法及应用 |
US11473418B1 (en) | 2020-01-22 | 2022-10-18 | Vermeer Manufacturing Company | Horizontal directional drilling system and method |
DE102020121528A1 (de) | 2020-08-17 | 2022-02-17 | Sensatec GmbH | Verfahren zum Herstellen einer geologischen Bohrung in einem Boden |
RU2752628C1 (ru) * | 2020-10-28 | 2021-07-29 | Товарищество с ограниченной ответственностью "Научно-внедренческий центр "Алмас" | Способ разработки залежей подземных вод |
CN113550758A (zh) * | 2021-08-03 | 2021-10-26 | 广州市市政集团有限公司 | 一种导向式微型顶管施工方法 |
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US5123492A (en) * | 1991-03-04 | 1992-06-23 | Lizanec Jr Theodore J | Method and apparatus for inspecting subsurface environments |
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US4445574A (en) * | 1980-03-24 | 1984-05-01 | Geo Vann, Inc. | Continuous borehole formed horizontally through a hydrocarbon producing formation |
SU1204702A1 (ru) * | 1984-03-11 | 1986-01-15 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт По Осушению Месторождений Полезных Ископаемых,Специальным Горным Работам,Рудничной Геологии И Маркшейдерскому Делу | Скважинный фильтр |
CH683016A5 (de) * | 1990-12-24 | 1993-12-31 | Terra Ag Tiefbautechnik | Verfahren zum Aufweiten eines Bohrloches und Aufweitgerät. |
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1993
- 1993-04-22 DE DE4313221A patent/DE4313221C2/de not_active Expired - Fee Related
-
1994
- 1994-04-21 ES ES94915086T patent/ES2120041T5/es not_active Expired - Lifetime
- 1994-04-21 CN CN94190222A patent/CN1107643A/zh active Pending
- 1994-04-21 DK DK94915086T patent/DK0646213T4/da active
- 1994-04-21 RU RU9494046359A patent/RU2100531C1/ru active
- 1994-04-21 AT AT94915086T patent/ATE168738T1/de not_active IP Right Cessation
- 1994-04-21 DE DE59406477T patent/DE59406477D1/de not_active Expired - Fee Related
- 1994-04-21 EP EP94915086A patent/EP0646213B2/de not_active Expired - Lifetime
- 1994-04-21 US US08/360,747 patent/US5597045A/en not_active Expired - Lifetime
- 1994-04-21 CA CA002138401A patent/CA2138401C/en not_active Expired - Fee Related
- 1994-04-21 WO PCT/EP1994/001248 patent/WO1994024414A1/de active IP Right Grant
- 1994-04-21 JP JP6522786A patent/JP2771037B2/ja not_active Expired - Fee Related
- 1994-12-21 LV LVP-94-261A patent/LV11361B/en unknown
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2335558A (en) * | 1940-08-30 | 1943-11-30 | Bruce B Young | Well screen |
US2827264A (en) * | 1954-08-04 | 1958-03-18 | Hugh W Sitton | Drilling tool |
US2950087A (en) * | 1955-10-24 | 1960-08-23 | James N Gregory | Combined rotary and percussion drilling |
US2981332A (en) * | 1957-02-01 | 1961-04-25 | Montgomery K Miller | Well screening method and device therefor |
US3357564A (en) * | 1964-09-22 | 1967-12-12 | Halliburton Co | Filtering apparatus and method of making it |
US3378076A (en) * | 1966-03-30 | 1968-04-16 | Mobil Oil Corp | Erosion protection in wells |
US3534816A (en) * | 1968-10-22 | 1970-10-20 | Union Oil Co | Method and apparatus for completing a well in vertically spaced porous strata |
US3907033A (en) * | 1973-06-04 | 1975-09-23 | John A Stuchlik | Corrosion resistant laminated pipe |
US4003440A (en) * | 1974-09-17 | 1977-01-18 | Tidril Corporation | Apparatus and process for drilling underground arcuate paths utilizing directional drill and following liner |
US4117895A (en) * | 1977-03-30 | 1978-10-03 | Smith International, Inc. | Apparatus and method for enlarging underground arcuate bore holes |
US5040601A (en) * | 1990-06-21 | 1991-08-20 | Baker Hughes Incorporated | Horizontal well bore system |
US5123492A (en) * | 1991-03-04 | 1992-06-23 | Lizanec Jr Theodore J | Method and apparatus for inspecting subsurface environments |
Also Published As
Publication number | Publication date |
---|---|
DE4313221A1 (de) | 1994-11-03 |
JPH08501362A (ja) | 1996-02-13 |
LV11361B (en) | 1996-10-20 |
CN1107643A (zh) | 1995-08-30 |
RU2100531C1 (ru) | 1997-12-27 |
JP2771037B2 (ja) | 1998-07-02 |
CA2138401C (en) | 2001-03-27 |
RU94046359A (ru) | 1996-10-10 |
DE59406477D1 (de) | 1998-08-27 |
EP0646213A1 (de) | 1995-04-05 |
ATE168738T1 (de) | 1998-08-15 |
DE4313221C2 (de) | 1995-08-17 |
ES2120041T5 (es) | 2003-11-01 |
EP0646213B2 (de) | 2003-02-26 |
CA2138401A1 (en) | 1994-10-27 |
EP0646213B1 (de) | 1998-07-22 |
LV11361A (lv) | 1996-06-20 |
ES2120041T3 (es) | 1998-10-16 |
DK0646213T3 (da) | 1999-04-26 |
US5597045A (en) | 1997-01-28 |
DK0646213T4 (da) | 2003-06-23 |
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