| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Bohrgerät und Verfahren zum Erstellen einer vertikalen Bohrung | EP11009332.5 | 2011-11-24 | EP2597249B1 | 2014-09-10 | Finkenzeller, Stefan Michael; Stimpfle-Ziegler, Andreas; Körber, Günther |
| 62 | A DRILLING APPARATUS HAVING IN-LINE EXTENDING WINGS AND DRIVING METHOD THEREOF | EP05808413.8 | 2005-09-02 | EP1797274B1 | 2014-01-01 | Lim, Byung-duk |
| 63 | Bohrgerät und Verfahren zum Erstellen einer vertikalen Bohrung | EP11009332.5 | 2011-11-24 | EP2597249A1 | 2013-05-29 | Finkenzeller, Stefan Michael; Stimpfle-Ziegler, Andreas; Körber, Günther |
Die Erfindung betrifft ein Bohrgerät zum Erstellen einer vertikalen Bohrung mit einem Grundkörper, einer an einer Rückseite des Grundkörpers angeordneten Aufhängeeinrichtung zum Aufhängen des Bohrgerätes in der Bohrung, eine um eine Exzenterachse drehbar gelagerten Abtragseinheit, welche an einer Stirnseite des Grundkörpers exzentrisch zu einer Mittenachse des Grundkörpers angeordnet und umlaufend um die Mittenachse gelagert ist, und einer Antriebseinheit zum rotierenden Antreiben der Abtragseinheit um die Exzenterachse. Zur Verbesserung der Abtragsleistung ist vorgesehen, dass die Abtragseinheit scheibenförmig ausgebildet ist und dass die Exzenterachse der scheibenförmigen Abtragseinheit angewinkelt in einem spitzen Winkel zu der Mittenachse des Grundkörpers angeordnet ist.
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| 64 | A METHOD FOR DRILLING WITH CASING | EP01933493.7 | 2001-05-14 | EP1297240B1 | 2006-09-13 | ANGMAN, Per, G. |
| 65 | DRILLING APPARATUS WITH A RADIALLY DISPLACEABLE REAMER AS WELL AS A REAMER AND A PILOT BIT | EP99933437.8 | 1999-07-05 | EP1099039B1 | 2004-04-28 | GRAFE, Edward, F.; MANTOOTH, James, A.; KOLKER, John, M. |
| A drilling tool for boring in earth and rock formations includes a pilot bit which defines a longitudinal tool axis and includes a cam part having a cam axis arranged eccentrically relative to the tool axis. A reamer includes a hollow reamer body mounted on the cam part for rotation relative thereto about the cam axis. Relative rotation in one direction causes the reamer to be radially extended, and relative rotation in an opposite direction causes the reamer to be radially retracted. The reamer body carries cutting elements for enlarging a hole drilled by the pilot bit when the reamer is in its extended position. The cam part carries a first removable insert on which a first stop surface is formed. The reamer carries a second removable insert on which a second stop surface is formed. The stop surfaces are engageable with one another when the reamer body is radially extended, for transmitting rotational cutting forces to the reamer. The stop surfaces are formed of a material harder than a material from which the cam part and the reamer body are formed. The stop surface of the insert carried by the reamer may be formed by a plurality of rotary ball bearings. | ||||||
| 66 | A METHOD FOR DRILLING WITH CASING | EP01933493.7 | 2001-05-14 | EP1297240A1 | 2003-04-02 | ANGMAN, Per, G. |
| A method for drilling boreholes using casing (16) as the drill string and for advancing a casing string toward the bottom of the borehole is described. In the method, the drilling assembly (26) is used as a guide over which the drill string (16) is advanced toward the bottom of the borehole prior to removing the drilling assembly from the wellbore. | ||||||
| 67 | REVERSE CIRCULATION DRILLING SYSTEM WITH BIT LOCKED UNDERREAMER ARMS | EP99937399 | 1999-07-23 | EP1101013A4 | 2002-06-26 | HOLTE ARDIS L |
| An underreamer drill bit assembly including a pilot bit (82) and extendable underreamer arms (88) operatively connected to the pilot bit (82). The underreaming arms (88) have an extended position for underreaming, and a retracted position in which the overall diameter of the underreamer drill bit assembly is less than the inside diameter of the well casing, permitting the entire bit assembly to be withdrawn through the well casing. In another aspect of the invention, the bit assembly is operatively connected to a dual wall pipe assembly (12). A supply of compressed air is conducted through the annulus (24) of the dual wall pipe assembly (12) to a down hole pneumatic hammer (13). Exhaust air from the down hole hammer is directed to the bit assembly for continuous removal of drilling debris through a central evacuation tube (43) of the dual wall pipe assembly. In another aspect of the invention, a pressurized, incompressible fluid is injected into the annulus between the well casing and the downhole pneumatic hammer. | ||||||
| 68 | RETRACTABLE DRILL BIT SYSTEM | EP99971483.5 | 1999-10-13 | EP1133614A1 | 2001-09-19 | MCLEOD, Gavin |
| A retractable drill bit system (10) typically for oil and gas drilling. The system (10) includes drill bit assembly (14) engageable with a drive sub (12) attached to the end of a drill string. Drill bit assembly (14) includes fingers (80) that can expand and collapse between a transport position and a cutting position. The drill bit assembly (14) is carried on a bit assembly sleeve (16). Transport member (18) extends inside the sleeve (16) and is resiliently coupled thereto so that the sleeve (16 and 18) can slide relative to each other. Relative sliding motion of member (18) and sleeve (16) in one direction expands the fingers (80) to the cutting position where relative sliding motion in the opposite direction collapses the fingers (18) to the transport position. This motion allows the system (10) to cut a hole of substantially greater diameter than the diameter of the drill string to which the drive sub (12) is attached. | ||||||
| 69 | REVERSE CIRCULATION DRILLING SYSTEM WITH BIT LOCKED UNDERREAMER ARMS | EP98906021.0 | 1998-01-28 | EP0960254A1 | 1999-12-01 | Holte, Ardis L. |
| A reverse circulation, pneumatic drilling assembly (10) wherein the bit assembly (11) is operatively connected to a dual wall pipe assembly (12). A supply of compressed air is conducted through the annulus of the dual wall pipe assembly (12) to a downhole pneumatic hammer (17). Exhaust air from the downhole pneumatic hammer is directed to the bit assembly (11) for continuous removal of drilling debris through a central evacuation tube of the dual wall pipe assembly (12). | ||||||
| 70 | SYSTEM FOR IN SITU REPLACEMENT OF CUTTING MEANS FOR A GROUND DRILL | EP94918244 | 1994-06-15 | EP0702746A4 | 1996-09-11 | MCLEOD GAVIN THOMAS; EGAN MATTHEW VANCE |
| A retractable drill bit system (10) comprises a drive sub (18) which is adapted for connection to a lower end of a drill (12), a tool (20) for installing and retracting drill bit segments (22) from the drive sub (18); and an insert (24) for selectively locking the bit segments (22) to an end of the drive sub (18) and releasing the bit segments (22). A plurality of recesses (5B) are formed about an inner circumferential wall at one end of the drive sub (18) and a landing seat (32) formed about the inner wall upstream of the recesses (58). The area of the interior wall between the landing seat (32) and recesses (58) is profiled with a series of tapered and level surfaces. The tool (20) includes a slidable cradle (176) extending from one end about which the bit segments (22) are held during installation and retrieval. The bit segments (22) being held in place about the cradle by an elastic band (198). The insert (24) is provided at one end with a series of keyways (218) which locate over the bit segments (22) when the bit segments are locked to the drive sub (18). The insert (24) is always retained within the drive sub (18). Bit segments (22) are carried by the tool (20) to the drive sub (18) and locked in place by the insert (24). The tool (20) can then be withdrawn and the drill (12) operated in the normal manner. To retrieve the bit segments (22), the tool (20) is relowered into the drill and then withdrawn a short distance to retract the insert (24) so that the bit segments (22) collapse back onto the cradle (176) and can then be withdrawn from the drill (12). | ||||||
| 71 | SYSTEM FOR IN SITU REPLACEMENT OF CUTTING MEANS FOR A GROUND DRILL | EP94918244.0 | 1994-06-15 | EP0702746A1 | 1996-03-27 | MCLEOD, Gavin, Thomas; EGAN, Matthew, Vance |
| A retractable drill bit system (10) comprises a drive sub (18) which is adapted for connection to a lower end of a drill (12), a tool (20) for installing and retracting drill bit segments (22) from the drive sub (18); and an insert (24) for selectively locking the bit segments (22) to an end of the drive sub (18) and releasing the bit segments (22). A plurality of recesses (5B) are formed about an inner circumferential wall at one end of the drive sub (18) and a landing seat (32) formed about the inner wall upstream of the recesses (58). The area of the interior wall between the landing seat (32) and recesses (58) is profiled with a series of tapered and level surfaces. The tool (20) includes a slidable cradle (176) extending from one end about which the bit segments (22) are held during installation and retrieval. The bit segments (22) being held in place about the cradle by an elastic band (198). The insert (24) is provided at one end with a series of keyways (218) which locate over the bit segments (22) when the bit segments are locked to the drive sub (18). The insert (24) is always retained within the drive sub (18). Bit segments (22) are carried by the tool (20) to the drive sub (18) and locked in place by the insert (24). The tool (20) can then be withdrawn and the drill (12) operated in the normal manner. To retrieve the bit segments (22), the tool (20) is relowered into the drill and then withdrawn a short distance to retract the insert (24) so that the bit segments (22) collapse back onto the cradle (176) and can then be withdrawn from the drill (12). | ||||||
| 72 | Replaceable cutting means segment for use in a ground drill | EP95108816.0 | 1994-06-15 | EP0678654A2 | 1995-10-25 | McLeod, Gavin Thomas; Egan, Matthew Vance |
A plurality of segments (22) form a cutting means adapted for retention in a ground drill. Each has a cutting face (72) for engaging and cutting the ground when the segment is seated in a cutting position in the ground drill. Each segment (22) also has a shank (68) extending from the cutting face and having one side (74) for facing and bearing against an internal circumferential wall (26) of the ground drill when in the cutting position. The side (74) has a series of surfaces (76,77,78,80,82,84,86,88) arranged so that the segment (22) can slide relative to the ground drill when in the cutting position in response to the ground drill being lifted from and lowered onto the bottom of a hole being drilled by the ground drill. |
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| 73 | Excavation tool | EP91103041.9 | 1991-02-28 | EP0444682B1 | 1994-08-17 | Hayashi, Takeshi, c/o Gifu-Seisakusho Mitsubishi; Sato, Shigeru, c/o Gifu-Seisakusho Mitsubishi; Tsujimoto, Katsuaki c/o Gifu-Seisakusho Mitsubishi; Miyazaki, Daishiro, c/o Gifu-Seisakusho Mitsubishi; Hiwasa, Yoneo, c/o Gifu-Seisakusho Mitsubishi; Ishimatsu,Toshiki c/o Tokyo-Shiten Mitsubishi |
| 74 | Excavation tool | EP91103041.9 | 1991-02-28 | EP0444682A1 | 1991-09-04 | Hayashi, Takeshi, c/o Gifu-Seisakusho Mitsubishi; Sato, Shigeru, c/o Gifu-Seisakusho Mitsubishi; Tsujimoto, Katsuaki c/o Gifu-Seisakusho Mitsubishi; Miyazaki, Daishiro, c/o Gifu-Seisakusho Mitsubishi; Hiwasa, Yoneo, c/o Gifu-Seisakusho Mitsubishi; Ishimatsu,Toshiki c/o Tokyo-Shiten Mitsubishi |
The invention relates to an excavation tool, having a pair of insertion holes placed in the bottom surface of a device (10), which receives the impact force of a hammer and the rotational force of a hammer cylinder, at positions separated in a radial direction from the center of the device (10) and symmetrical around this center as a center of rotation, also having block axles (20), one end of each of which is freely rotatably inserted into one of the insertion holes, and having blocks (22), which have a roughly semicircular shape with a diameter roughly equal to that of the device (10), into the lead end surfaces of which are set bits (21), and which have straight edge surfaces which are flat surfaces vertical with respect to the lead end surfaces, provided at the other end of the block axles (20) and with the straight edge surfaces (22) in mutual opposition. In an extended diameter state of the blocks (22), the blocks (22) are moved in opposite directions along a radius of the device (10) by rotating the blocks (20) around the block axles (22), and the distance between the centers of the insertion holes provided in the bottom surface of the device (10) and the center of this device (10) is set at from 0.2 to 0.3 times the diameter of the bottom surface of the device (10). |
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| 75 | Drill tool | EP90850220.6 | 1990-05-31 | EP0402337A3 | 1991-05-02 | Jansson, Kjell-Ove; Lundahl, Björn |
The present invention relates to a drill tool for rotary and/or percussive drilling comprising a drill head (10;10˝) including a pilot means (11;11˝) and a reamer means (12;12˝) located behind the pilot means (11;11˝) seen in the feed direction of the tool, guide means (16;16′;16˝;16‴) to guide said drill tool relative to a casing tube (15;15′) surrounding said guide means (16;16′;16˝;16‴), and cooperating driving means (18,19) on the guide means (16;16′;16˝;16‴) and the casing tube (15;15′), respectively, for downwards axial displacement of the casing tube (15;15′), and means for connecting said drill tool to a hammer drilling equipment. The invention also relates to a casing tube and a guide means per se. When drilling through an overburden by a drill tool of the type specified above it quite often happens that the casing tube get stuck by wedge action from loose rock segments or by a sucking action, especially when the overburden consists of clay. The present invention is characterized in that the casing tube (15;15′) is rotated by cooperating driving means on the guide means (16;16′;16˝;16‴) and the casing tube (15;15′). |
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| 76 | Drill tool | EP90850220.6 | 1990-05-31 | EP0402337A2 | 1990-12-12 | Jansson, Kjell-Ove; Lundahl, Björn |
The present invention relates to a drill tool for rotary and/or percussive drilling comprising a drill head (10;10˝) including a pilot means (11;11˝) and a reamer means (12;12˝) located behind the pilot means (11;11˝) seen in the feed direction of the tool, guide means (16;16′;16˝;16‴) to guide said drill tool relative to a casing tube (15;15′) surrounding said guide means (16;16′;16˝;16‴), and cooperating driving means (18,19) on the guide means (16;16′;16˝;16‴) and the casing tube (15;15′), respectively, for downwards axial displacement of the casing tube (15;15′), and means for connecting said drill tool to a hammer drilling equipment. The invention also relates to a casing tube and a guide means per se. When drilling through an overburden by a drill tool of the type specified above it quite often happens that the casing tube get stuck by wedge action from loose rock segments or by a sucking action, especially when the overburden consists of clay. The present invention is characterized in that the casing tube (15;15′) is rotated by cooperating driving means on the guide means (16;16′;16˝;16‴) and the casing tube (15;15′). |
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| 77 | Flushing means for drilling tools | EP90850128.1 | 1990-04-03 | EP0391874A2 | 1990-10-10 | Löf, Stig Uno |
A flushing means for drilling tools comprises a guide member (10) carrying a drill bit (20) and being rotatably centered by the mouth of a casing tube (11) which is adapted to follow the drilling tool downhole during drilling. The drill bit (20) has a bit portion (22) that projects laterally beyond and is spaced axially in front of the casing tube (11) so as to drill a hole larger than the casing tube (11). There are external flushing grooves (70,71) on the guide member (10) adapted to lead the outflow of flushing medium and debris from the hole during drilling into the casing tube (11). At least one of these grooves (70) extends from front to rear of the guide member (10). One or more further grooves (71) are open towards said rear while ending blindly into the periphery of the guide member (10) spaced from its front. By retraction of the guide member (10) its front enters the casing tube (11). That closes the blind grooves (71) and an intensified flushing is thus possible via the remaining open grooves (70) that extends from front to rear of the guide member (10). The cutting front (40) of the bit portion (22) is flushed rotatively in counter flow to the rotational drilling direction (8) towards the full length groove (70). |
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| 78 | Überlagerungsbohrvorrichtung | EP88114901.7 | 1988-09-13 | EP0358786A1 | 1990-03-21 | Klemm, G., Dr. Ing. |
Die Überlagerungsbohrvorrichtung weist einen Außenstrang (10) und einen Innenstrang (11) auf. Am vorderen Ende des Innenstranges (11) befindet sich eine Exzenterbohrkrone (28), deren Hilfsbohrkronenteil (28b) relativ zum Hauptbohrkronenteil (28c) seitlich herausgeschwenkt werden kann. Während der Innenstrang (11) geschlagen und gedreht wird, wird der Außenstrang (10) ausschließlich gedreht. Der Außenstrang (10) ist von dem Innenstrang (11) schlagmäßig entkoppelt. An seinem vorderen Ende befindet sich eine zum Drehschneiden geeignete Ringbohrkrone (34). |
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| 79 | Core sampling device | EP86305251 | 1986-07-08 | EP0208532A3 | 1987-10-07 | Bennett, Andrew Hall |
A core sampling device comprising a drill bit assembly (14), a drive shoe (13) arranged to house the drill bit, a core sampling tube (15); and a retraction tube (17). The drill bit assembly (14) includes a bit housing (19), which is drivingly engaged by the drive shoe (13), and a series of drill segments (21) which are pivotally attached to the housing (19) to be capable of pivoting between a drilling position and a retracted position. The segments (21) are maintained in the drilling position by the core sampling tube (15) when this is in a forward position, but are allowed to adopt the retracted position when the sampling tube (15) is withdrawn. The core sampling tube (15) engages the drill bit assembly (14) via the retraction tube (17) whereby continued withdrawal of the core sampling tube (15) causes withdrawal of the drill bit assembly (14) from within the drive shoe (13). |
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| 80 | Drill tool | EP81850019 | 1981-02-06 | EP0036847A3 | 1981-11-25 | Wiredal, Harry Artur Ingvar |
A drill tool for rotary and/or percussion drilling with drill rod means (14) within casing tube means (15) comprises a centric cutting bit (11) and an eccentric reamer cutter (12), both provided with hard metal inserts. For purposes of obtaining a life of the drill tool as long as possible the first frontal insert (23) on the reamer cutter (12) is positioned in front of the first peripheral insert (18) when seen in the rotational direction (D) during drilling, and the centric cutting bit (11) provided with more inserts on the half (38) of its front surface opposed to the reamer cutter (12) during drilling than on the other half (39). |
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