| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | Deburring mill tool for wellbore cleaning | EP13189644.1 | 2013-10-22 | EP2725185A2 | 2014-04-30 | Bansal, Ram K.; Meeks, Arthur Warren; Haq, Mohammed Aleemul; Xiao, Bin; Mihalj, Miroslav; Kippie, David Peter; Bailey, Thomas F. |
A wellbore cleaning tool for removing irregularities along the inner surface of a wellbore tubular may include a top sub (110), a cutting assembly (100), and a bottom sub (130). The tool is operable to remove irregularities, such as debris, burrs, and jagged edges, along the inside of the wellbore tubular, and thereby provide a clean, inner surface finish. The tool may be actuated into a retracted position, an extended position, and/or a deactivated position.
|
||||||
| 102 | DUAL STRING SECTION MILL | EP12796606.7 | 2012-06-08 | EP2718534A1 | 2014-04-16 | SCHMIDT, Ronald, G.; DEWEY, Charles, H. |
| A dual string section milling tool includes a cutting block deployed in an axial recess in a tool body. The cutting block is configured to extend radially outward from and retract radially inward towards the tool body. The cutting block is further configured to remove a cement layer in a wellbore. The dual string section milling tool further includes a milling blade deployed in an axially slot disposed in the cutting block. The milling blade is configured to extend radially outward from and inwards towards the cutting block. The milling blade is further configured to cut and mill a section of casing string. The dual string section milling tool may be further configured to simultaneously remove cement and mill a wellbore tubular. | ||||||
| 103 | Near-bit borehole opener tool and method of reaming | EP13155472.7 | 2013-02-15 | EP2692982A8 | 2014-04-09 | Claudey, Eric Yves; Talamini, Mariano; Mageren, Olivier; Schmitz, Alexandre; Lindgrin, Martin; Moi, Stein Erik; Ravndal, Svein |
The present disclosure relates to a near-bit borehole opener (reamer) tool and a method of drilling a wellbore comprising: (a) disposing in the wellbore a tool string; (b) lowering and rotating the tool string and drilling a first portion of the wellbore having a first diameter with the drill bit, wherein at least one cutter assembly of a first borehole reamer is in a closed position; (c) reaming with a second borehole reamer a portion of the wellbore to a second diameter larger than the first diameter, wherein a rat hole portion of the wellbore is not reamed with the second borehole reamer, said rat hole portion of the wellbore having the first diameter; (d) extending the at least one cutter assembly of the first borehole reamer; and (e) concurrently rotating and moving the first borehole reamer up or down in the rat hole portion of the wellbore with the first diameter and abrading and cutting away the wellbore wall contacted by the at least one cutter assembly of the first borehole reamer assembly, thereby enlarging the diameter of a portion of the rat hole portion of the wellbore.
|
||||||
| 104 | DRILLING TOOL AND METHOD FOR WIDENING AND SIMULTANEOUSLY MONITORING THE DIAMETER OF WELLS AND THE PROPERTIES OF THE FLUID | EP09769398.0 | 2009-06-27 | EP2327857B1 | 2014-03-19 | Rasheed, Wajid |
| The tool, called a Smart Reamer is used to perform the widening, in real-time of a well, in particular an oil or natural gas well, while measuring probes connected to said tool simultaneously record data relating to the geometry of the drilling operation (well diameter, diameter of the widened zone, relative position of the cutting, widening and stabilizing blocks) and data relating to the properties of the drilling fluid, with the aim of monitoring the well-widening operation without stopping drilling or extracting the drill pipes. | ||||||
| 105 | Near-bit borehole opener tool and method of reaming | EP13155472.7 | 2013-02-15 | EP2692982A2 | 2014-02-05 | Claudey, Eric Yves; Talamini, Mariano; Mageren, Olivier |
The present disclosure relates to a near-bit borehole opener (reamer) tool and a method of drilling a wellbore comprising: (a) disposing in the wellbore a tool string; (b) lowering and rotating the tool string and drilling a first portion of the wellbore having a first diameter with the drill bit, wherein at least one cutter assembly of a first borehole reamer is in a closed position; (c) reaming with a second borehole reamer a portion of the wellbore to a second diameter larger than the first diameter, wherein a rat hole portion of the wellbore is not reamed with the second borehole reamer, said rat hole portion of the wellbore having the first diameter; (d) extending the at least one cutter assembly of the first borehole reamer; and (e) concurrently rotating and moving the first borehole reamer up or down in the rat hole portion of the wellbore with the first diameter and abrading and cutting away the wellbore wall contacted by the at least one cutter assembly of the first borehole reamer assembly, thereby enlarging the diameter of a portion of the rat hole portion of the wellbore.
|
||||||
| 106 | OUTIL DE FORAGE DIRECTIONNEL | EP12711144.1 | 2012-03-21 | EP2689092A1 | 2014-01-29 | MENAND, Stéphane |
| Directional drilling tool (13, 14) comprising a cutting structure formed of blades on which there are cutting edges (13) and a guard (11) that stabilizes the tool against the wall of the well (3), characterized in that the guard comprises a plurality of passive pivoting blades (16) each of which can pivot about a pivot pin (18) inserted in the guard (12) near its boundary with the cutting structure under the action of thrusting and/or damping members, so that when the pivoting blades (16) are in their nominal position, the guard (12) of the tool (1, 14) exhibits a substantially cylindrical shape. | ||||||
| 107 | WELLBORE TOOL WITH EXCHANGABLE BLADES | EP11810395.1 | 2011-07-21 | EP2596198A1 | 2013-05-29 | HERBERG, Wolfgang, E.; GRUETZMANN, Ines |
| [0021] A method for conducting a wellbore operation includes disconnecting a radially projecting member from a first sub without uncoupling a second sub from the first sub. The method may include also coupling the first sub to the second sub with a connector that includes an electrical connection. An associated apparatus may include a sub having at least one conductor connected to a connector; and at least one radially projecting member removably coupled to the sub. | ||||||
| 108 | SYSTEM AND METHOD FOR ONE-TRIP HOLE ENLARGEMENT OPERATIONS | EP09728718.9 | 2009-03-27 | EP2283201A2 | 2011-02-16 | SERVAES, Luk; MANCINI, Stefano |
| A drilling assembly for simultaneous hole enlargement operations comprises a drill bit, an adjustable diameter reamer, and a hole opener. The reamer is coupled with, and positioned uphole from the drill bit. The reamer is adjustable between a first diameter and a second diameter that is larger than the first diameter. The hole opener is coupled with, and positioned uphole from the reamer. | ||||||
| 109 | ACTIVATING DEVICE FOR A DOWNHOLE TOOL | EP07825416.6 | 2007-10-18 | EP2074277A2 | 2009-07-01 | Lee, Paul Bernard |
| An activating device (2) is intended to be mounted in a drill string in order to control the activation and deactivation of an enlargement tool used for enlarging a bore hole. In order to assemble the activating device, pistons 8 are mounted in passages (10) and spline bars (12) in which plates (22) are screwed are then slid along T-slots of the body (1), through apertures (18) of the pistons. In order to deploy the pistons (12) and cutters (6), pressurised drilling fluid is applied to the inner faces (8a) of the pistons (8). When a pre-determined pressure level is reached, screws (20) break and the pistons move from the inward position to the outwardly deployed position. | ||||||
| 110 | DRILL BIT WITH PROTECTION MEMBER | EP04804585.0 | 2004-11-26 | EP1706575B1 | 2008-03-12 | SAVIGNAT, Jean-Michel, Claude, Gaston; ZIJSLING, Djurre, Hans |
| A method is provided for removing a body of selected material from the interior of a casing extending into a borehole formed in an earth formation. The method comprises lowering a drill bit for further drilling of the borehole, into the casing, the drill bit having a longitudinal axis of rotation during operation, the drill bit comprising rock cutting means, at least one protection member for protecting the inner surface of the casing from contact with the rock cutting means, each protection member being adapted to remove said selected material from the interior of the casing and being radially movable towards the inner surface of the casing, and control means for applying a radially outward force of controlled magnitude to the protection member. The drill bit is rotated in the casing, and the control means is operated so as to apply said radially outward force of controlled magnitude to the protection member. | ||||||
| 111 | OUTIL D' ELARGISSEMENT ET DE STABILISATION A METTRE EN OEUVRE DANS UN TROU DE FORAGE | EP05754525.3 | 2005-06-07 | EP1766179B1 | 2007-10-31 | FANUEL, Philippe; LASSOIE, Jean-Pierre; MAGEREN, Olivier; QUINTANA, Luis; MOI, Stein, Erik; DITHMAR, Erik |
| The inventive enlarging and stabilising tool for a borehole comprises a tubular body (1) provided with an axial cavity (2), circumferentially arranged receptacles provided with an outward opening, a knife element (4) disposed in each receptacle and comprising at least two cutting arms (5, 6) which are displaceable between the retracted and extended positions, a drive means (15) mounted inside the tubular body in an axially offset manner with respect to the knife elements and transmission means for transmitting the drive means motion to the pivotable cutting arms, wherein said cutting arms form a space (14) outwardly closed in the extended position thereof therebetween and the tool tubular body. | ||||||
| 112 | DOWNHOLE TOOL | EP05823776.9 | 2005-12-20 | EP1834062A2 | 2007-09-19 | OLLERENSHAW, Andrew; RUSSELL, Mark |
| A downhole tool (10) comprises a body (12) having slots (34) communicating the outside of the body with the body through-bore (14). A sleeve actuator (30) and mandrel (16) are selectively axially slidable. The actuator has flanges (44) extending into the slots. The flanges have ribs on their sides that are inclined at an acute angle to the longitudinal axis (50) of the tool. Hollow bars (36) are slidable in the slots and they have channels inside corresponding with, and engaged in, the ribs of the flanges. The sleeve actuator slides in the body between a tool actuated position and a tool deactuated position. The mandrel is selectively axially slidable between a tool actuated position, an interlock position and a sleeve-lock position. A lock ball (68) locks (62, 70) the sleeve actuator with respect to the body in the tool deactuated position and while the mandrel is between the interlock and sleeve-lock positions. The lock ball (68) also locks (74, 70) the sleeve actuator with respect to the mandrel while the mandrel is between said interlock and tool actuated positions. | ||||||
| 113 | An expandable drill bit | EP05292193.9 | 2005-10-18 | EP1777365A1 | 2007-04-25 | Denoix, Henri, Etudes et Productions Schlumberger |
An expandable drill bit 1 comprises: |
||||||
| 114 | DRILL BIT WITH PROTECTION MEMBER | EP04804585.0 | 2004-11-26 | EP1706575A2 | 2006-10-04 | SAVIGNAT, Jean-Michel, Claude, Gaston; ZIJSLING, Djurre, Hans |
| A method is provided for removing a body of selected material from the interior of a casing extending into a borehole formed in an earth formation. The method comprises lowering a drill bit for further drilling of the borehole, into the casing, the drill bit having a longitudinal axis of rotation during operation, the drill bit comprising rock cutting means, at least one protection member for protecting the inner surface of the casing from contact with the rock cutting means, each protection member being adapted to remove said selected material from the interior of the casing and being radially movable towards the inner surface of the casing, and control means for applying a radially outward force of controlled magnitude to the protection member. The drill bit is rotated in the casing, and the control means is operated so as to apply said radially outward force of controlled magnitude to the protection member. | ||||||
| 115 | Apparatus and method for directional drilling of holes | EP06010654.9 | 2001-04-17 | EP1691030A1 | 2006-08-16 | The designation of the inventor has not yet been filed |
An apparatus for the directional drilling of a bore hole through a solid substrate includes a main bore head (2) mounted for rotation on a flexible main drive shaft (10) The apparatus includes elongate tensioning means (30) extending axially along the flexible drive shaft (10) substantially from the main bore head end of the drive shaft (10) towards a driven end of the drive shaft (10), and tension in the tensioning means (30) tends to urge the flexible drive shaft (10) to bend, thereby altering the drilling direction.
|
||||||
| 116 | EXPANDABLE DRILLING TOOL | EP01940025.8 | 2001-06-01 | EP1395730B1 | 2005-11-23 | De Luca, Italo |
| System (1) for increasing the diameter of at least a portion of a well bore, said system being intended to be attached to a drill pipe (3), said system having the improvement that the support element (10) bearing the curring arms (13, 14) is mounted movable with respect to the body (4) and that the arms and the chamber (6) of the body (4) are designed so as to cooperate. | ||||||
| 117 | Method and apparatus for drilling and completing a well | EP01130066.2 | 2001-12-18 | EP1217166B1 | 2005-08-24 | Chavez, Juan Carlos; Douglas, ALexander Espin; Genolet, Luis Charlos; Jimenez, Maria Alejandra; Ranson, Aaron |
| 118 | PILE REAMER WITH SPOIL CONTAINER | EP02740037.3 | 2002-01-14 | EP1444404A2 | 2004-08-11 | ENGLAND, Melvin Gerrard; PAYNE, Ronald Peter |
| The present application relates to a tool having a cutting means (25, 26) for enlarging a portion of an underground pile shaft. The tool is provided with a collecting means (32) which is disposed below the cutting means in order that spoil generated when performing a cutting action on ground material surrounding the pile shaft can be collected. The size of the collecting means is adjustable thereby allowing the volume of spoil which may be accommodated by the collecting means to be varied. A compacting device (49, 50) for compressing the spoil collected in the collecting means may also be provided for reducing the volume of the spoil. | ||||||
| 119 | EXPANDABLE DRILLING TOOL | EP01940025.8 | 2001-06-01 | EP1395730A1 | 2004-03-10 | De Luca, Italo |
| System (1) for increasing the diameter of at least a portion of a well bore, said system being intended to be attached to a drill pipe (3), said system having the improvement that the support element (10) bearing the curring arms (13, 14) is mounted movable with respect to the body (4) and that the arms and the chamber (6) of the body (4) are designed so as to cooperate. | ||||||
| 120 | 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. | ||||||
