EP0993540B1 - Vorrichtung und verfahren zum herstellen von bohrlochverzweigungen - Google Patents
Vorrichtung und verfahren zum herstellen von bohrlochverzweigungen Download PDFInfo
- Publication number
- EP0993540B1 EP0993540B1 EP98940193A EP98940193A EP0993540B1 EP 0993540 B1 EP0993540 B1 EP 0993540B1 EP 98940193 A EP98940193 A EP 98940193A EP 98940193 A EP98940193 A EP 98940193A EP 0993540 B1 EP0993540 B1 EP 0993540B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- boring head
- pilot
- head
- drill head
- drilling
- 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 - Lifetime
Links
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- 238000005553 drilling Methods 0.000 claims description 61
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Images
Classifications
-
- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
- E21B33/138—Plastering the borehole wall; Injecting into the formation
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0035—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches
- E21B41/0042—Apparatus or methods for multilateral well technology, e.g. for the completion of or workover on wells with one or more lateral branches characterised by sealing the junction between a lateral and a main bore
-
- 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
- E21B43/10—Setting of casings, screens, liners or the like in wells
-
- 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
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
-
- 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
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/065—Deflecting the direction of boreholes using oriented fluid jets
-
- 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
Definitions
- the invention relates to a drilling device and a Process for the production of borehole branches in Soft ground.
- Whipstock technique an orientable, high-precision whipstock and one Drilling system with screw motor and at least two Articulation points or screw motors made of titanium without Joint points and stabilizers carried out in the drill pipe.
- a solid borehole wall must be in the area of the junction be present, which may need to be cemented and often also by inserting a branch fitting is stabilized.
- the invention is therefore based on the object Device and a method for producing Develop borehole branches that are in loose rock are feasible.
- the object of the invention is achieved with a drilling device the features of claim 1 and a method for Production of borehole branches with the characteristics of Claim 8 solved.
- the invention is based on the idea of being full course-controlled pilot drilling head with an attached Form drill pipe so that it has an opening on the circumference and has a deflecting part inside the pilot drill head. Furthermore, there are outlet openings for one on the pilot drilling head stiffening drilling suspension provided. Inside the The drill pipe of the pilot drill head is an internal drill head in Movable in the longitudinal direction and through the deflection part from the web of the pilot drill head can be deflected. By bringing one out sliding and stiffening drilling suspension from the Outlet openings in the pilot drilling head will be the pilot drilling surrounding loose rock locally solidified to the Stabilize branch point.
- the pilot hole can be the desired one Follow the route of the main supply lines and the Internal boring head after deflection from the path of the Pilot drilling head the holes for the house connection lines create.
- the internal drilling head fully progressive. This has the advantage that at the desired installation path is created for complex route routing can be or when laying house connection lines to buildings that are at a greater distance from the Netztechnischstrasse lie, a precise drilling of the Connection lines is possible.
- the opening in the pilot drill head is preferably through a slidable, e.g. rotatable cover element lockable.
- a cover element prevents the pilot boring head from advancing Rock enters the opening and is wedged in it or possibly during the subsequent extraction a stiffening drilling suspension from the Drill head nozzles and penetrate into the pilot drill head a strongly solidified structure inside the pilot drill head can form.
- the deflecting part is in the Pilot boring head and the opening assigned to the deflection part targeted and rotatable in the longitudinal axis of the pilot drill head. This has the advantage that any direction of the branching Bore made relative to the longitudinal axis of the pilot drill head can be.
- the side nozzles can be activated remotely are.
- the deflecting part preferably has an inclined surface with a trough-shaped design.
- the additional provision of Rinnen offers the internal drilling head, as well as the Inner drill pipe after a branch of the Internal drilling head, a lateral guide.
- the inner drill head several articulation points that have a narrow drilling radius enable.
- the internal boring head can process up to one Advance the target area and a secondary line on the boom of the Attach the internal drill head, whereupon the rods into the Withdrawn near the pilot hole.
- This Process step is advantageous in that not only the necessary to create connecting lines Holes are created, but the withdrawal of the Linkage of the internal drilling head used at the same time will pull in the desired secondary line.
- the method additionally comprises the step of Pulling a main line into the pilot hole and the Manufacture of pipe branches through the sections Drilling out the main line and connecting the secondary line with the main line.
- These additional process steps allow the complete laying of both the main line in the Netztechnischstrasse as well as the branch Service lines.
- the main line in each Area of the secondary lines arranged near the main line is drilled out, the main line and the in Area of a borehole combine suitable measures.
- the secondary line is preferably connected to the Main pipe by fitting a pipe socket over the Branch line and the tight fitting of the pipe branch on the secondary line and on the main line.
- a Pipe robot used to manufacture the pipe branches can position the branch lines (physically) capture the main line in the area of Drill out branch lines section by section and the Branch lines in a suitable manner with the Connect main lines, the one mentioned above Slip on pipe sockets over the branch lines to Use can come. If the preferred method of Sliding a pipe socket over a branch line to Applies, there is a possibility that the Pipe socket as well as the secondary and main line through a local heating are welded together and finally those parts of the pipe socket that are in the Protrude main line, removed from the pipe robot, e.g. be milled off.
- a drawn part is made Metal at the front end of the feed direction Branch lines attached and the position of the branch lines by locating the drawn part using a metal detector detected.
- Fig. 1 is the possible course of a pilot hole as well of branch holes shown schematically.
- Pilot drill head 14 which is designed to be directionally controllable and thus a fully course-controlled Netz effetstrasse 16 can create.
- the pilot bore 12 is from the surface through a small inlet opening (not shown) in executed the soil, with a drill carriage device for Application can come in the context of Flowtex technology is known to the specialist circles.
- the pilot hole 12 of course also created from a starting pit become.
- the advance of the drill head 14 along the planned Netztechnischstrasse 16 can be the exact one Position of the pilot drill head 14 using a Locating device can be detected from the surface.
- the position of the drill head can also be changed from the drill head Drill rods are transferred to the drilling rig.
- house connection lines are created by the opening of branch holes 18 from the Netztechnischstrasse 16 can be created.
- House connection lines can include water pipes, power lines or be natural gas distribution lines, priority however, they are telecommunication lines.
- the branch bores 18 lead to the desired customers 20 or other distribution devices that are dependent on the course of the Netz Oberstrasse 16 are removed and thus by the Branch holes 18 reached from the pilot hole 12 become. Since it is in the laying of power lines in Road area usually around an area with loose rock 22 is involved in the production of the borehole branches 24 local solidification areas 26 formed to the Solidify soil structure in the area of the junction.
- the branch holes below Use a fully flow-controlled drilling process executed so that on the one hand special needs regarding the course of the branch holes are taken into account can and on the other hand in the context of locating a Internal drilling head a possibly required Direction correction can be made and the Inner drilling head can be fed precisely to the customer 20.
- the pilot bore 12 preferably ends in a target pit, from which after the completion of the pilot drilling and the creation the branch bores 18 a main line (not shown) while retracting the pilot drill head into the Pilot hole 12 is drawn.
- a main line (not shown) while retracting the pilot drill head into the Pilot hole 12 is drawn.
- each pickup 20th have reached, also during the "reverse gear" of the Linkage of the internal drilling head secondary lines (not shown) in the branch holes 18 to immediate Proximity to the pilot bore 12 are drawn. How later is explained in detail, can be in the context of a concluding sequence of operations Secondary lines with the main line also pulled in connect tightly.
- Fig. 2 shows a schematic view of a pilot drill head with a branching internal drilling head.
- the pilot boring head 14 allows the creation of fully course-controlled holes and has for this purpose a control surface 28, which by a Rotation of the pilot drill head 14 about its longitudinal axis 54 a Deflection of the pilot drill head 14 allowed, being narrow Allow curve radii to be achieved.
- On the headboard 30 of the Pilot drill head 14 are located to the front and / or also to the front rear-facing drill head nozzles 32, from which one or more Cutting jets 34 emerge under high pressure in order to to loosen surrounding rock and to advance the drill head enable.
- outlet openings 36 for one on the drill head 14 stiffening drilling suspension provided.
- the Outlet openings 36 are located on the lateral surface of the essential cylindrical pilot drill head and are preferably designed as nozzles to inject stiffening drilling suspensions in the pilot hole 12 surrounding area 26 (see Fig. 1).
- the Outlet openings or outlet nozzles 36 can be remotely controlled, i.e. activated by the operating personnel are, so that the stiffening drilling suspension only in immediate area of the branches from the Pilot boring head 14 is promoted.
- the opening and closing of the Outlet openings can be controlled, for example, by remote control actuatable solenoid valves take place; alternatively, the Opening folder also through a jerky pulse Drilling suspension to be transmitted.
- the inner drill head 44 and the associated drill pipe have a smaller outer diameter than that Inner diameter of the pilot drill head 14 as well Inner diameter of the drill string 40 so that the Inner drill head 44 and the drill pipe 46 attached to it the inner drill head through the drill pipe 40 and the Pilot drill head 14 can pass through.
- the internal drill head 44 has hinge points 48, so that this in the area of later described deflection in a narrow radius of the curve from the Can branch off the longitudinal axis of the pilot drill head 14.
- a deflecting part 50 which has an inclined surface 52, which is either in FIG. 2 represented view can represent a straight line, i.e. the Inclination of the inclined surface 52 to the longitudinal axis 54 of the Pilot drill head 14 is constant, or even one can have a curved course.
- the opening 42 as well are arranged below the opening baffle 50 preferably rotatable about the longitudinal axis 54 of the pilot drill head, so that any branch direction in the full 360 degree range around the longitudinal axis 54 of the pilot drill head can be achieved.
- the opening 42 is through a suitable one Cover element, such as a window, closed, whereby the window can be moved into Longitudinal direction of the drill head, or by turning it around the longitudinal axis 54 of the pilot drill head in an open position can be moved so that the inner drill head 44 from the Pilot drill head 14 can emerge.
- the window serves the Penetration of rock during the advance of the Pilot drill head 14, but also the penetration of the stiffening acting drilling suspension into the interior of the pilot drill head prevent.
- the inner drill head 44 is also suitable for a full create course-controlled branch hole and has a Control surface 56 and drill head nozzles 58 at the head of the Inner drilling head through which the cutting jets 60 emerge can.
- stiffening agents can be: not swellable clays, binders based on cement or lime, ground oil shale, waxes, resins or chemical Injectables with a strengthening or adhesive effect.
- the opening 42 is subsequently exposed in the pilot boring head, by placing one possibly above the opening Exit window is moved to an open position.
- the Opening 42 as well as the deflector 50 are in the desired direction arranged by this around the longitudinal axis 54 of the pilot drill head can be rotated.
- an internal drilling head 44 is connected Inner drill pipe 46 into the existing pilot drill pipe 40 drove in and the inner drill head to the deflecting part 50 advanced. Through the targeted steering of the internal drilling head 44 against the inclined surface 52 of the deflecting part 50 Inner drill head 44 deflected and braced against Borehole wall directed. Then the directed Drilling the inner drill head 44 into the solidified one Borehole wall. After penetrating the solidified Loose rock is the further feed of the Inner drilling head in loose rock, which the branch hole 18th surrounds.
- the pilot drill head has the planned branch line, i.e. the Branch bore 18 covered up to the house connection point 20 has at the target point thus reached Product pipelines, preferably made of polyethylene or Polypropylene, coupled to the internal drill head and then the inner drill pipe 46 with the attached Product tube withdrawn up to main drill string 40.
- Product pipelines preferably made of polyethylene or Polypropylene
- the Attachment of the product pipe to the internal drilling head can be done by the Provide suitable drawn parts happen that on the in Feed direction are attached to the front end of the product tube and coupling the product pipe to the internal drilling head allow. If the drawn part of the product pipe, i.e.
- pilot boring head 14 is up to its Target point, i.e. to a target pit, proceed and on Pilot drill head 14 or drill pipe 40 of Pilot drilling device also a product pipeline retracted while the drill string 40 the Pilot drilling device towards the starting point of the Pilot hole is withdrawn.
- Fig. 3 the drawn main line 62 and the Branch lines 64 each shown, with the Main line 62 facing end of the secondary lines 64 each there is a pulling part 66 made of metal.
- a pipe robot 68 Inside the Main pipe 62 is a pipe robot 68 that with an inspection head 70, which is the detection allowed by metal and thus specify the exact position can, on which the respective pulling part 66 adjoins the Main line 62 is located.
- an inspection head 70 which is the detection allowed by metal and thus specify the exact position can, on which the respective pulling part 66 adjoins the Main line 62 is located.
- a milling robot 72 which has a milling head 74 is provided and in the area of the drawn parts 66 the main line made of polyethylene or polypropylene with an opening, which represents the future integration point.
- the metal drawing part 66 with the attached connected secondary line 64 drawn into the main line 62 and then a flexible connector 76 Polyethylene or polypropylene via branch line 64 imposed.
- the connector 76 is preferably with provided inside heating wire coils, which are also under Use of a suitable pipe robot, for example one Handling robot that can be heated by applying power, so that the main line is welded to the secondary line.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
- Fig. 1
- eine schematische Ansicht eines möglichen Verlaufs der Pilotbohrung sowie von drei beispielhaften Abzweigbohrungen ist;
- Fig. 2
- eine schematische Ansicht eines Bohrkopfes in teilweisem Aufbruch mit einem abzweigenden Innenbohrkopf darstellt;
- Fig. 3
- eine schematische Ansicht eines Rohrroboters in einer Hauptleitung ist, die das Verbinden von Nebenleitungen mit der Hauptleitung verdeutlicht; und
- Fig. 4a bis 4c
- die Abfolge des Verbindens einer Hauptleitung mit einer Nebenleitung darstellen.
Claims (14)
- Bohrvorrichtung zum Herstellen von Bohrlochverzweigungen in Lockergestein umfassend:einen voll verlaufsgesteuerten Pilotbohrkopf (14) mit einem daran angebrachten Bohrgestänge (40), wobeider Pilotbohrkopf (14) eine Öffnung (42) am Umfang;ein Ablenkteil (50) im Inneren des Pilotbohrkopfes (14); undAustrittsöffnungen (34; 36) für eine versteifend wirkende Bohrsuspension aufweist; undeinen Innenbohrkopf (44), der in Längsrichtung des Pilotbohrkopfes (14) bewegbar ist und durch das Ablenkteil (50) und durch die Öffnung (42) hindurch aus der Bahn (54) des Pilotbohrkopfes (14) ablenkbar ist.
- Bohrvorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß
der Innenbohrkopf (44) voll verlaufsgesteuert ist. - Bohrvorrichtung nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß
die Öffnung (42) im Pilotbohrkopf (14) durch ein verschiebbares Abdeckelement verschließbar ist. - Bohrvorrichtung nach einem oder mehreren der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß
das Ablenkteil (50) sowie die dem Ablenkteil zugeordnete Öffnung (42) gezielt um die Längsachse (54) des Pilotbohrkopfes (14) drehbar sind. - Bohrvorrichtung nach einem oder mehreren der Ansprüche 1 bis 4, weiter umfassend:zusätzliche Seitendüsen (36) am Umfang des Pilotbohrkopfes (14); wobeidie Seitendüsen (36) ferngelenkt aktivierbar sind.
- Bohrvorrichtung nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß
das Ablenkteil (50) eine Schrägfläche (52) mit einer rinnenförmigen Ausgestaltung aufweist. - Bohrvorrichtung nach einem der Ansprüche 2 bis 6,
dadurch gekennzeichnet, daß
der Pilotbohrkopf (14) und der Innenbohrkopf (44) jeweils eine schräg verlaufende Steuerfläche (28, 56) sowie Bohrkopfdüsen (30, 58) für Bohrsuspension unter hohem Druck aufweisen. - Verfahren zum Herstellen von Bohrlochverzweigungen in Lockergestein umfassend die Schritte:(a) Erstellen einer Pilotbohrung durch den voll verlaufsgesteuerten Vortrieb eines Bohrgestänges mit Pilotbohrkopf in den Bereich einer herzustellenden Bohrlochverzweigung;(b) Ausbringen von versteifend wirkender Bohrsuspension aus dem Pilotbohrkopf;(c) Vorrücken eines Innenbohrkopfes im Inneren des Bohrgestänges des Pilotbohrkopfes;(d) Auffahren des Innenbohrkopfes auf ein Ablenkteil im Pilotbohrkopf; und(e) Erstellen einer abzweigenden Bohrung durch das Vorrücken des Innenbohrkopfes durch eine Öffnung im Pilotbohrkopf hindurch.
- Verfahren nach Anspruch 8, weiter umfassend vor dem Schritt (d):Ausrichten des Ablenkteils in die gewünschte Richtung der abzuzweigenden Bohrung relativ zur Längsachse des Pilotbohrkopfes.
- Verfahren nach Anspruch 8 und/oder 9, weiter umfassend die Schritte:(f) Vorrücken des Innenbohrkopfes bis zu einem Zielbereich und Anbringen einer Nebenleitung am Gestänge des Innenbohrkopfes oder des Bohrkopfes; und(g) Zurückziehen des Gestänges des Innenbohrkopfes und Einziehen der Nebenleitung bis in die Nähe der Pilotbohrung.
- Verfahren nach Anspruch 10, zusätzlich umfassend den Schritt:(h) Einziehen einer Hauptleitung in die Pilotbohrung; und(i) Herstellen von Rohrverzweigungen durch das abschnittsweise Öffnen der Hauptleitung und Verbinden der Nebenleitung mit der Hauptleitung.
- Verfahren nach Anspruch 11,
dadurch gekennzeichnet, daß
das Verbinden der Nebenleitung mit der Hauptleitung durch das Überstülpen oder vor-Ort-Extrudierens eines Rohrstutzens über die Nebenleitung und das dichte Anbringen des Rohrstutzens an der Nebenleitung und an der Hauptleitung ausgeführt wird. - Verfahren nach einem oder mehreren der Ansprüche 11 bis 13, umfassend den Schritt:Einbringen eines Rohrroboters zum Herstellen der Rohrverzweigungen.
- Verfahren nach einem oder mehreren der Ansprüche 10 bis 13, weiter umfassend:Anbringen eines Ziehteiles aus Metall an dem in Einzugsrichtung vorderen Ende der Nebenleitung; undErfassen der Position der Nebenleitung durch die Ortung des Ziehteiles mittels eines Metalldetektors.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19729809A DE19729809C1 (de) | 1997-07-11 | 1997-07-11 | Vorrichtung und Verfahren zum Herstellen von Bohrlochverzweigungen |
DE19729809 | 1997-07-11 | ||
PCT/EP1998/004274 WO1999002815A1 (de) | 1997-07-11 | 1998-07-09 | Vorrichtung und verfahren zum herstellen von bohrlochverzweigungen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0993540A1 EP0993540A1 (de) | 2000-04-19 |
EP0993540B1 true EP0993540B1 (de) | 2002-04-03 |
Family
ID=7835436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98940193A Expired - Lifetime EP0993540B1 (de) | 1997-07-11 | 1998-07-09 | Vorrichtung und verfahren zum herstellen von bohrlochverzweigungen |
Country Status (6)
Country | Link |
---|---|
US (1) | US6325164B1 (de) |
EP (1) | EP0993540B1 (de) |
AR (1) | AR040618A1 (de) |
DE (1) | DE19729809C1 (de) |
ES (1) | ES2175750T3 (de) |
WO (1) | WO1999002815A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1134899A (en) * | 1998-02-05 | 1999-08-26 | Halliburton Energy Services, Inc. | Lateral wellbore connection |
US7401665B2 (en) * | 2004-09-01 | 2008-07-22 | Schlumberger Technology Corporation | Apparatus and method for drilling a branch borehole from an oil well |
EP2824274B1 (de) * | 2006-06-16 | 2018-01-31 | Vermeer Manufacturing Company | Mikrotunnelungsystem und -vorrichtung |
US7934563B2 (en) * | 2008-02-02 | 2011-05-03 | Regency Technologies Llc | Inverted drainholes and the method for producing from inverted drainholes |
EP2723964B1 (de) * | 2011-06-22 | 2016-12-07 | Bruce Donald Jette | Robotisches tunnelsystem |
DE102020119032A1 (de) | 2020-07-17 | 2022-01-20 | Max Wild Gmbh | Verfahren zum Vorbereiten oder Herstellen einer Bohrung in einem Boden |
CN113107423B (zh) * | 2021-04-13 | 2023-03-24 | 宿州学院 | 一种基于水溶性荧光剂的煤田底板注浆防治方法 |
CN113431497B (zh) * | 2021-07-16 | 2023-12-22 | 辽宁工程技术大学 | 一种主钻孔-支孔柔性钢管射流一体化矿用钻具 |
CN114876370B (zh) * | 2022-06-01 | 2023-03-28 | 中国石油大学(北京) | 多点定向喷射钻进工具及其使用方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527639A (en) * | 1982-07-26 | 1985-07-09 | Bechtel National Corp. | Hydraulic piston-effect method and apparatus for forming a bore hole |
US4646836A (en) * | 1984-08-03 | 1987-03-03 | Hydril Company | Tertiary recovery method using inverted deviated holes |
US4784230A (en) * | 1985-05-14 | 1988-11-15 | Cherrington Martin D | Apparatus and method for installing a conduit within an arcuate bore |
US4714118A (en) * | 1986-05-22 | 1987-12-22 | Flowmole Corporation | Technique for steering and monitoring the orientation of a powered underground boring device |
WO1991008376A1 (en) * | 1989-11-27 | 1991-06-13 | Ministerstvo Gazovoi Promyshlennosti Sssr | Method for plugging well walls |
US5115872A (en) * | 1990-10-19 | 1992-05-26 | Anglo Suisse, Inc. | Directional drilling system and method for drilling precise offset wellbores from a main wellbore |
DE4335290C2 (de) * | 1993-04-28 | 1999-03-11 | Flowtex Technologie Gmbh & Co | Verfahren zur Abdichtung von Bodenkörpern und Vorrichtung zur Durchführung dieses Verfahrens |
CA2095306A1 (en) * | 1993-04-30 | 1994-10-31 | Michael Robert Konopczynski | Drilling kick-off device |
WO1994028280A1 (en) * | 1993-05-21 | 1994-12-08 | Gardes Robert A | Method of drilling multiple radial wells using multiple string downhole orientation |
NL9301921A (nl) * | 1993-11-05 | 1995-06-01 | Nacap Nederland Bv | Werkwijze en systeem voor de exploratie en winning van grondstoffen, mineralen of dergelijke in een weke bodem. |
US5526880A (en) * | 1994-09-15 | 1996-06-18 | Baker Hughes Incorporated | Method for multi-lateral completion and cementing the juncture with lateral wellbores |
US5588488A (en) * | 1995-08-22 | 1996-12-31 | Halliburton Company | Cementing multi-lateral wells |
EP0777018A1 (de) * | 1995-12-01 | 1997-06-04 | Per Aarsleff A/S | Vorrichtung und Verfahren zur Herstellung eines Betonschachtes im Boden und ein derart hergestellter Betonschacht |
AUPN703195A0 (en) * | 1995-12-08 | 1996-01-04 | Bhp Australia Coal Pty Ltd | Fluid drilling system |
CA2244451C (en) * | 1998-07-31 | 2002-01-15 | Dresser Industries, Inc. | Multiple string completion apparatus and method |
-
1997
- 1997-07-11 DE DE19729809A patent/DE19729809C1/de not_active Expired - Fee Related
-
1998
- 1998-07-09 US US09/462,608 patent/US6325164B1/en not_active Expired - Fee Related
- 1998-07-09 ES ES98940193T patent/ES2175750T3/es not_active Expired - Lifetime
- 1998-07-09 EP EP98940193A patent/EP0993540B1/de not_active Expired - Lifetime
- 1998-07-09 WO PCT/EP1998/004274 patent/WO1999002815A1/de active IP Right Grant
- 1998-07-10 AR AR19980103354A patent/AR040618A1/es active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0993540A1 (de) | 2000-04-19 |
DE19729809C1 (de) | 1998-12-17 |
WO1999002815A1 (de) | 1999-01-21 |
WO1999002815A8 (de) | 2000-05-04 |
US6325164B1 (en) | 2001-12-04 |
ES2175750T3 (es) | 2002-11-16 |
AR040618A1 (es) | 2005-04-13 |
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