| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | STEM WEAR GUARD | EP14734907.0 | 2014-06-06 | EP3004515A2 | 2016-04-13 | BARNES, Andrew; KIRBY, Noel |
| A stem guard for a stem of a raise bore drill includes at least one wear pad attachable to the device. At least one volume of wear resistant material is joined with the at least one wear pad to form a wear pad assembly. The wear pad assembly is fixedly secured to the stem. A method of forming a wear pad assembly for protecting a device includes the steps of providing at least one volume of wear resistant material. The at least one volume of wear resistant material is joined to a protective material to form at least one wear pad assembly. At least one wear pad assembly is attached to the device and the at least one wear pad assembly is fixed to the device to protect the same from wear. | ||||||
| 142 | DUAL ROTARY CENTRALIZER FOR A BOREHOLE | EP10744741.9 | 2010-06-07 | EP2440739B1 | 2016-03-09 | Shantanu, Dalmia |
| The present invention relates to an apparatus for use in a wellbore, which comprises two rotating bodies 1, 11 and a ring 4. The said rotating bodies rotate clockwise or anticlockwise on its own axis. Preferably, the present invention provides a dual rotary centralizer with a unique dual rotating design with an advantage of an integral stop. This combination enables a free rotation on the axis of the casing pipe which allows easy casing rotation while the dual rotary centralizer stays in its position onto the casing pipe eliminating altogether the need for stop collars. The clockwise and anticlockwise rotation of two bodies induces extra swirl action. | ||||||
| 143 | WELL ACCESS TOOLS | EP12844672.1 | 2012-11-02 | EP2773849A1 | 2014-09-10 | AHMED, Shehab; ALGAMMAL, Mohammad Fouad; ABDELZAHER, Omar Abdelzaher; REMMERT, Stephen M.; AHMAD ZAMRI, Ahmad; MYERS, Calvin H. |
| A telebending tool for conveying a logging tool into a wellbore includes a tool body configured to couple to a logging tool, wherein the body has a central axis. The telebending tool also includes a cam housing coupled to the tool body and having a cam pathway and a nose moveably coupled to the tool body through a pivoting member, wherein the nose has a central axis. The telebending tool further includes a compression spring positioned between the nose and the pivoting member and a camming arm coupled to the nose. The camming arm extends coaxially through the pivoting member to selectively engage the cam pathway of the cam housing. The nose has a first position with the central axis of the nose coaxially aligned with the central axis of the body and a second position with the central axis of the nose oriented at an angle less than 180 relative to the central axis of the body. The nose is configured to be transitioned from the first position and the second position by application of an axial force to the nose. | ||||||
| 144 | DOWNHOLE TRACTION | EP11804733.1 | 2011-11-28 | EP2643540A2 | 2013-10-02 | Simpson, Neil Andrew Abercrombie |
| An apparatus for use in drilling a high angle or horizontal borehole has a body for coupling to a drill string and one or more traction members mounted for rotation on the body. The apparatus defines a first, passive, configuration and a second, active, configuration in which the traction member urges the apparatus along the inner wall of the borehole. | ||||||
| 145 | AN ARM SYSTEM FOR LOGGING A WELLBORE AND METHOD FOR USING SAME | EP11749343.7 | 2011-08-12 | EP2611985A1 | 2013-07-10 | JACOB, Gregoire |
| A method and apparatus for logging a wellbore with an arm system is provided. The arm system has a pad (108) for measuring a downhole parameter and a first arm (200) having an arm first end (216) connected to a tool body (220) of the downhole tool and an arm second end (214) connected to the pad. The arm system has a second arm (202) having an arm first end (216) connected to the tool body of the downhole tool and an arm second end connected to the pad. The arm system has a sliding shuffle (204) adapted to allow a portion of the arm system to translate relative to a longitudinal axis (212) of the tool body and a first biasing member wherein the first biasing member (118) and the sliding shuffle are for moving the pad between a closed position proximate the tool body and an engaged position proximate the wellbore wall. | ||||||
| 146 | CENTRALIZER-BASED SURVEY AND NAVIGATION DEVICE AND METHOD | EP05854063 | 2005-12-14 | EP1831502A4 | 2010-07-07 | GOLDSTEIN BRETT; SULIGA WILLIAM; DOLGIN BENJAMIN; VICKERMAN DAVID; COTTEN STEVEN A; GRINDSTAFF KEITH; SHENHAR JORAM; HILL JOHN L |
| A Centralizer based Survey and Navigation (CSN) device designed to provide borehole or passageway position information. The CSN device can include one or more displacement sensors, centralizers, an odometry sensor, a borehole initialization system, and navigation algorithm implementing processor(s). Also, methods of using the CSN device for in-hole survey and navigation. | ||||||
| 147 | BI-DIRECTIONAL THRUSTER PIG APPARATUS AND METHOD OF UTILIZING SAME | EP02795591.3 | 2002-11-05 | EP1497526B1 | 2008-05-14 | CRAWFORD, James, R. |
| A retrievable pig apparatus (10) having a substantially cylindrical body portion (32), the body portion (32) having a central flow bore (34) therethrough, and secured to coiled tubing (22), including a central fluid flow bore (34) in fluid communication with the interior bore of the coiled tubing (35); a plurality of flow bores (40) spaced equally apart within the body, with the flow bores (40) allowing fluid flow to be injected at a certain predetermined pressure through the flow bores (40), so as to be emitted on the front end of the pig for defining a high pressure spray of fluid or the like material to break up blockages of debris (70) in the pipeline, such as paraffin or the like; the debris (70) retrieved through the central bore (34) back into the coiled tubing (35) to be stored in a tank (157) or the like on the surface. There is further included a plurality of flexible cups (24), spaced apart along the outer wall of the pig body (25), each cup (24) secured to an interior metallic ring (26) around the body (25) of the pig, with the flexible cups (24) making contact with the wall (13) of the pipeline so as to provide a continuous fluid seal between the wall (13) of the pipeline and the ends of the plurality of flexible cups (24). Intermediate each cup (24) there is provided a compressible safety ring (28), which will compress under excess pipeline pressure, thus allowing the fluid to flow past the plurality of flexible cups (24), reducing the pressure in the pipeline. Further there is provided within the plurality of six flow bores (40) around the interior flow bore (34), for adjusting the force that is allowed to flow through the plurality of bores (40) in either direction by providing a first and second thruster springs (42, 44) of a pre-determined compressible force for allowing the springs (42,44) to be compressed and effecting fluid flow therethrough in the direction in which the flow is to travel in the bores (40). | ||||||
| 148 | DOWNHOLE DEVICE | EP05772066.6 | 2005-08-11 | EP1781894A1 | 2007-05-09 | HALL, Robert Neil |
| The invention relates to a downhole device for incorporation into a downhole string and movement in a wellbore. The device comprises a body member (12), at least one roller (20) arranged on the device to engage the inner surface of the wellbore and means to orient the device in the wellbore. The means to orient the device are provided on the or each roller. Preferably the means to orient the device comprise a projecting portion provided on the or each roller which projects radially outwardly from the body member. The projecting portion can be an eccentrically-shaped portion of the or each roller. | ||||||
| 149 | FRICTION REDUCING TOOL | EP98911300.6 | 1998-03-11 | EP0968352B1 | 2005-12-28 | MURRAY, Geoffrey Neil |
| A friction reducing tool for drilling applications having a plurality of rollers for about the periphery of the tool (3). The rollers (4) have extensions (7) which locate within cavities (8) to prevent the rollers from passing from cavity (10) to the exterior of the tool. The tool is formed in multiple parts (3a and 3b) having interengaging tongues (5 and 6) which are joined together by passing a rod (15) through bore (13). A groove (14) is provided in outer component (2) to enable rod (15) to be inserted in bore (13). | ||||||
| 150 | DOWNHOLE DEVICE | EP00981471.6 | 2000-12-04 | EP1234091B1 | 2005-11-16 | HALL, Robert Neil |
| A downhole device, adapted for use in wireline or stickline applications, is provided for incorporation into a downhole string and movement in a wellbore. The device comprises means to orient the device in a well-bore, and one or more conveying means arranged to engage the inner surface of the wellbore and reduce the frictional coefficient. It may also incorporate an eccentric weight and/or a vibrator. | ||||||
| 151 | BI-DIRECTIONAL THRUSTER PIG APPARATUS AND METHOD OF UTILIZING SAME | EP02795591.3 | 2002-11-05 | EP1497526A2 | 2005-01-19 | CRAWFORD, James, R. |
| A retrievable pig apparatus (10) having a substantially cylindrical body portion (32), the body portion (32) having a central flow bore (34) therethrough, and secured to coiled tubing (22), including a central fluid flow bore (34) in fluid communication with the interior bore of the coiled tubing (35); a plurality of flow bores (40) spaced equally apart within the body, with the flow bores (40) allowing fluid flow to be injected at a certain predetermined pressure through the flow bores (40), so as to be emitted on the front end of the pig for defining a high pressure spray of fluid or the like material to break up blockages of debris (70) in the pipeline, such as paraffin or the like; the debris (70) retrieved through the central bore (34) back into the coiled tubing (35) to be stored in a tank (157) or the like on the surface. There is further included a plurality of flexible cups (24), spaced apart along the outer wall of the pig body (25), each cup (24) secured to an interior metallic ring (26) around the body (25) of the pig, with the flexible cups (24) making contact with the wall (13) of the pipeline so as to provide a continuous fluid seal between the wall (13) of the pipeline and the ends of the plurality of flexible cups (24). Intermediate each cup (24) there is provided a compressible safety ring (28), which will compress under excess pipeline pressure, thus allowing the fluid to flow past the plurality of flexible cups (24), reducing the pressure in the pipeline. Further there is provided within the plurality of six flow bores (40) around the interior flow bore (34), for adjusting the force that is allowed to flow through the plurality of bores (40) in either direction by providing a first and second thruster springs (42, 44) of a pre-determined compressible force for allowing the springs (42,44) to be compressed and effecting fluid flow therethrough in the direction in which the flow is to travel in the bores (40). | ||||||
| 152 | Non rotating centraliser | EP02102823.8 | 1996-04-16 | EP1318269A2 | 2003-06-11 | MURRAY, Geoffrey, Neil; FERNANDES, Denis, Robert |
A fitting for engagement with a drill string or further fitting comprises an inner section (30) for securement to a drill string or further fitting, an outer section (31) for securement about said inner section and rotatable relative thereto, a bearing (36) located between the inner section and outer section, and seals (37,38) provided at either end of the fitting between the inner section and outer section. Pressure compensating means (39) are provided for maintaining the pressure within the bearing substantially the same as the external pressure. |
||||||
| 153 | DRILL CASING INSTALLATION EQUIPMENT WITH EXTERNAL FRICTION REDUCING MEANS | EP95909146.3 | 1995-02-14 | EP0778914B1 | 2002-08-28 | MURRAY, Geoffrey, Neil |
| Improvements in casing installation components are described. The modified construction comprises radial support pedestals (2) incorporating rollers (3) on the outside of said support pedestals so that the rollers reduce longitudinal friction between the component and the well bore. The improvements described may be adapted for use in the construction of casing centralisers, float shoes, float collars and similar equipment which is inserted into the well bore. | ||||||
| 154 | FRICTION REDUCING TOOL AND METHOD FOR ITS USE IN A WELLBORE | EP00900076.1 | 2000-01-07 | EP1144796A1 | 2001-10-17 | MURRAY, Geoffrey, Neil |
| A friction reducing tool (1) having a generally tubular body (2) and three or more groups of rotatable castors (3) provided about the periphery of the body, wherein the castors of each group are substantially aligned in a longitudinal direction, and wherein each group of castors has at least one castor offset relative to at least one other castor of the same group. | ||||||
| 155 | CENTRALIZER | EP99904989.3 | 1999-02-08 | EP1058767A1 | 2000-12-13 | REINHOLDT, Bernd |
| A centralizer which comprises a pair of annular bands (2, 3) which are spaced apart by a plurality of hollow members (4 to 9) characterised in that said hollow members (4 to 9) are each provided with at least one window (24, 25, 26) having a roller (12, 13, 14) freely rotatably mounted therein. | ||||||
| 156 | DRILL CASING INSTALLATION EQUIPMENT WITH EXTERNAL FRICTION REDUCING MEANS | EP95909146 | 1995-02-14 | EP0778914A4 | 2000-03-08 | MURRAY GEOFFREY NEIL |
| PCT No. PCT/NZ95/00012 Sec. 371 Date Aug. 14, 1996 Sec. 102(e) Date Aug. 14, 1996 PCT Filed Feb. 14, 1995 PCT Pub. No. WO95/21986 PCT Pub. Date Aug. 17, 1995Improvements in casing installation components are described. The modified construction comprises radial support pedestals (2) incorporating rollers (3) on the outside of the support pedestals so that the rollers reduce longitudinal friction between the component and the well bore. The improvements described may be adapted for use in the construction of casing centralizers, float shoes, float collars and similar equipment which is inserted into the well bore. | ||||||
| 157 | DISPOSITIF DE PROTECTION POUR CONDUITE DEPOSEE EN PARTIE SUR UN FOND MARIN | EP99937974.6 | 1999-02-25 | EP0980489A1 | 2000-02-23 | RODRIGUES, Serta; ARCHAMBAUD, Denis |
| The invention concerns a protective device for a pipe partially laid on the seafloor, comprising at least a protective element (9) arranged around at least one portion of the pipe part (4) to be protected and characterised in that said protective element (9) is mounted rotating freely about said portion. | ||||||
| 158 | DOWN REAMING APPARATUS | EP93908325.0 | 1993-03-12 | EP0631645A1 | 1995-01-04 | ANDERSON, Llewellan; KELLEY, Brian, W.; ROWE, Larry, F.; WHITEHOUSE, Thomas, C. |
| A down reaming apparatus (10) has an upper stabilizer (14) which supports the down reaming apparatus (10) in bored hole. A plurality of wheel assemblies (46) are radially attached to the hub (32) of the upper stabilizer (14). Each of the wheel assemblies (46) has rotatable tires (54) oriented against the bored hole wall, and a rotatable overload wheel (60) which contacts the tunnel wall upon compression of the tires (54). A weight assembly (90) comprising a plurality of stacked plates (16) is secured to the frame of the down reaming apparatus (10) and has manways (108) therethrough. A lower stabilizer (30) provides additional support for the down reaming apparatus (10). A plurality of wheel assemblies (130) are radially attached to the hub (122) of the lower stabilizer (30). Each of the wheel assemblies (130) has a rotatable wheel (144) pivotally attached to the lower stabilizer hub (122) and spaced therefrom by a compressible bumper (138) which reacts against the bored hole wall to stabilize the down reaming apparatus (10). | ||||||
| 159 | Dry pneumatic system for hard rock shaft drilling | EP90314348.5 | 1990-12-27 | EP0438920B1 | 1994-10-26 | McBride Sinclair, Kirk; England, John Richard |
| 160 | Apparatus for orienting perforating gun | EP91303209.0 | 1991-04-11 | EP0452126A3 | 1992-12-16 | Jordan, John Wesley; Gilbert, Gregory Norman; Tomek, Martin Leslie; Grigar, Larry Lee; Slagle, Terry Lee |
A downhole perforating tool (20) includes a perforating gun container (47) and at least one eccentrically mounted rotatable weight member (36,56). The weight members and the gun can be releasably coupled at any desired angular orientation by releasable coupling means (40,55). The tool further includes at least two spaced circumferential sleeves (30,60) to contact the borehole wall. Upon lowering the tool into a deviated well with the gun and weight member coupled at a predetermined angle, the weight member turns under the influence of gravity to adopt a lowermost position, so also rotating the perforating gun. The gun is thus positioned at the desired angle in the well borehole. |
||||||
QQ群二维码
意见反馈
意见反馈