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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
221	DOWNHOLE CUTTING TOOL AND METHOD	EP12810677.0	2012-06-29	EP2732122A2	2014-05-21	LYNDE, Gerald D.
A downhole cutting tool includes a base including a first consolidated powder; and at least one cutting feature affixed to the base, the at least one cutting feature including a cutting material suspended in a second consolidated powder, wherein the base and the at least one cutting feature are both consolidated and bonded together simultaneously. Also included is a method of manufacturing a cutting tool.
222	REAL TIME DULL GRADING	EP09832516	2009-12-10	EP2356306A4	2014-05-14	HUNT TERRY; TEODORESCU SORIN G

223	EARTH-BORING PARTICLE-MATRIX ROTARY DRILL BIT AND METHOD OF MAKING THE SAME	EP10736454	2010-01-29	EP2391470A4	2014-04-30	CHOE HEEMAN; STEVENS JOHN; SULLIVAN ERIC

224	HEAVY DUTY MATRIX BIT	EP12729198.7	2012-05-21	EP2714305A2	2014-04-09	CUILLIER DE MAINDREVILLE, Bruno; GOMEZ, Williams
An apparatus and method for manufacturing a downhole tool that reduces failures occurring along a bondline between a cemented matrix coupled around a blank. The cemented matrix material is formed from a powder and a binder material. The blank includes an internal blank component and a coating coupled around at least a portion of the surface of the internal blank component. The internal blank component includes a top portion and a bottom portion. The internal blank component is substantially cylindrically shaped and defines a channel extending through the top portion and the bottom portion. The coating is a metal in some exemplary embodiments. The coating reduces the migration of the binder material into the blank thereby allowing the control of intermetallic compounds thickness within the bondline.
225	METHODS, SYSTEMS, AND DEVICES FOR MANIPULATING CUTTING ELEMENTS FOR EARTH BORING DRILL BITS AND TOOLS	EP10741596	2010-02-08	EP2396495A4	2013-11-27	LUCE DAVID KEITH; WIRTH SEAN W; MASSEY ALAN J; PARROTT CRYSTAL A
Methods include one or more of robotically positioning a cutting element on an earth-boring tool, using a power-driven device to move a cutting element on an earth-boring tool, and robotically applying a bonding material for attaching a cutting element to an earth-boring tool. Robotic systems are used to robotically position a cutting element on an earth-boring tool. Systems for orienting a cutting element relative to a tool body include a power-driven device for moving a cutting element on or adjacent the tool body. Systems for positioning and orienting a cutting element on an earth-boring tool include such a power-driven device and a robot for carrying a cutting element. Systems for attaching a cutting element to an earth-boring tool include a robot carrying a torch for heating at least one of a cutting element, a tool body, and a bonding material.
226	MOLD ASSEMBLIES INCLUDING A MOLD INSERTABLE IN A CONTAINER	EP11799812.0	2011-11-28	EP2646641A2	2013-10-09	ATKINS, William, Brian; WEAVER, Gary, Eugene; KELLER, Christopher
There is disclosed herein a method of designing a mold assembly including a container (300) and a mold (200), at least portions of an outer surface of the mold corresponding to an inner surface of the container such that the container will support the mold therein, in use of the mold for molding an object, the mold assembly defining a mold cavity (252) substantially corresponding to the outer shape of the object to be molded, wherein one or more portions of the mold cavity are defined by the inner surface of the container.
227	METHOD AND APPARATUS FOR EFFICIENT IMPLEMENTATION OF DESIGN CHANGES	EP11776617.0	2011-10-03	EP2625636A1	2013-08-14	SINOR, L. Allen; PAULSEN, Eric; WEST, David
The disclosed embodiments allow a user to request new product designs and design changes remotely. The requested design or change is then submitted to a network-based automated process. The process may be remotely accessed by the user through a network connection. In one embodiment, the user may meet directly with a customer, pull up the specifications for the product in question, select a design or change desired by the customer, and submit the design or change. The process works in the background to validate the requested design according to one or more validation rules and/or best practices, and completes many of the necessary tasks to allow the requested design to proceed to manufacturing. Once the process has successfully completed the requested change, a notification is sent to the user containing information about the new or changed product, such as the new part number, order number, and the like.
228	METHODS OF ATTACHING A SHANK TO A BODY OF AN EARTH BORING TOOL INCLUDING A LOAD BEARING JOINT AND TOOLS FORMED BY SUCH METHODS	EP09759317	2009-06-03	EP2307658A4	2013-07-17	SMITH REDD H; DUGGAN JAMES

229	APPARATUS AND METHODS FOR CORROSION PROTECTION OF DOWNHOLE TOOLS	EP11798633.1	2011-06-14	EP2585675A2	2013-05-01	TRINH, Tu Tien; SULLIVAN, Eric
In one aspect, an apparatus for use in a wellbore is provided that in one embodiment includes a drill bit having a bit body that is susceptible to corrosion when the drill bit is utilized in wellbore, an anode placed at a selected location on the bit body, a cathode associated with the bit body and a power source configured to provide electrical power to the anode to complete an electrical circuit between the anode and the bit body, wherein the supply of the electrical power to the anode arrests corrosion of the bit body when the drill bit is in the wellbore.
230	EARTH-BORING ROTARY DRILL BITS AND METHODS OF MANUFACTURING EARTH-BORING ROTARY DRILL BITS HAVING PARTICLE-MATRIX COMPOSITE BIT BODIES	EP06837257.2	2006-11-10	EP1957223B1	2013-02-20	SMITH, Redd H.; STEVENS, John H.; DUGGAN, James L.; LYONS, Nicholas J.; EASON, Jimmy W.; GLADNEY, Jared D.; OXFORD, James A.; CHREST, Benjamin J.

231	SELF POSITIONING OF THE STEEL BLANK IN THE GRAPHITE MOLD	EP11710864.7	2011-01-25	EP2528703A2	2012-12-05	GALLEGO, Gilles
A down hole casting assembly and a method for assembling the down hole casting assembly. The down hole casting assembly includes a mold and a blank coupled to the mold. The mold includes an internal surface surrounding a cavity formed therein and one or more junk slot displacements formed along at least a portion of the internal surface. The junk slot displacement includes a top edge. The blank includes an upper portion, a lower portion, and a bottom edge extending from at least a portion of the upper portion to at least a portion of the lower portion. At least a portion of the bottom edge is coupleable to at least a portion of the top edge. The portion of the bottom edge that couples to the portion of the top edge is complementary in shape so that the blank is positionable within the cavity in a repeatable manner.
232	REAMER AND BIT INTERACTION MODEL SYSTEM AND METHOD	EP10707678.8	2010-01-05	EP2521830A1	2012-11-14	SERVAES, Luk; RANSFORD HARDIN, John, Jr.; MANCINI, Stefano; LAURET, Eric; CHEN, Shilin
Teachings of the disclosure are directed to a reamer and/or bit interaction model system and method. The method may include receiving performance data regarding a cutting structure, and calculating a characteristic curve, using the performance data. The characteristic curve may be weight-based and/or torque-based. The method may also include storing the characteristic curve. In particular embodiments, the characteristic curve may include either weight on cutting structure or torque on the cutting structure, as a function of the rate of penetration.
233	A METHOD FOR HANDLING A COMPONENT IN THE CONSTRUCTION, MAINTENANCE AND REPAIR OF WELLS	EP10703105.6	2010-02-01	EP2391795A1	2011-12-07	KOEDERITZ, William Leo; PORCHE, Michael Nathan; WATSON, Graham Richard; COOKE, Aaron Christian; ELLISON, Leon Doyle; KAMMANN, Reinhold; WORMS, Manfred Hermann; LAM, Clive Chemo; MCCLUNG, Guy, Lamonte, III
A method for handling a component in the construction, maintenance and repair of wells, the method comprising the steps of producing information about said component, the component for a specific well task, the information including design information about the component and intended use information about the component, producing a component identification specific to the component, associating the information with the component identification producing thereby an information package for the component, installing the information package in at least one wave-energizable apparatus, and applying the at least one wave-energizable apparatus to the component.
234	ROTARY DRILL BIT SHANK, ROTARY DRILL BITS SO EQUIPPED, AND METHODS OF MANUFACTURE	EP06739521.0	2006-03-24	EP1861577B1	2011-11-30	ZAHRADNIK, Anton, F.; SULLIVAN, Eric, C.; SMITH, R., Scot; RUFF, Daniel, E.; ROBERTS, Danielle, V.; MASSEY, Alan, J.
A shank configuration for rotary drill bits, is disclosed for positioning of the shank in relation to the bit body. A tapered surface or feature of the shank may be configured and sized to matingly engage a complementarily shaped surface or feature of the drill bit body and thereby become centered or positioned in relation thereto. A deformable element may be disposed between the shank and bit body. Also, the shank may comprise a material having a carbon equivalent of less than about 0.35%. A multi-pass weld procedure may be employed to affix the shank and bit body to one another wherein welds may be formed so that one weld originates at a circumferential position that differs from the origination circumferential position of its immediately preceding weld by at least about 90°. Further, a stress state may be developed within the multi-pass weld. A method of manufacture is also disclosed.
235	REAL TIME DULL GRADING	EP09832516.0	2009-12-10	EP2356306A1	2011-08-17	HUNT, Terry; TEODORESCU, Sorin, G.
A method of monitoring the wear of drill bits for drilling wells in earth formations, several embodiments of an improved drill bit for drilling a well in an earth formation, and methods of manufacture. In one embodiment, the bit is assembled by forming the bit, including a bit body and a plurality of cutting components; introducing a wear detector into the bit; and providing a module to monitor the wear detector and generate an indication of bit wear. The wear detector may be one or more electrical circuits that may experience a change in resistance or conductivity due to wear of the bit. The module may determine wear by detecting an open circuit. The wear detector may be introduced during or after formation of the bit. The bit wear may be displayed for an operator.
236	METHODS AND APPARATUS FOR WELLBORE ENHANCEMENT	EP09736533.2	2009-10-08	EP2347084A2	2011-07-27	WIDEMAN, Thomas, W.; POTTER, Jared, M.; POTTER, Robert, M.; DREESEN, Donald
Methods for enhancing existing wells, such as increasing the diameter of an existing well by hydrothermal spallation are provided. Such methods may include providing a housing comprising a reaction chamber and a catalyst element held within the reaction chamber, providing at least one jet nozzle (29), contacting one or more unreacted fluids or solids with the catalyst element (25), wherein the unreacted fluid or solid is adapted to react with the catalyst element, thus generating a reacted fluid, and emitting the reacted fluid through the at least one nozzle, wherein the at least one nozzle may be directed to a production zone of an internal wall of the existing well.
237	PULSED ELECTRIC ROCK DRILLING APPARATUS WITH NON-ROTATING BIT AND DIRECTIONAL CONTROL	EP09812049.6	2009-08-26	EP2329095A2	2011-06-08	MOENY, William, M.
The present invention provides for pulsed powered drilling apparatuses and methods. A drilling apparatus is provided comprising a bit having one or more sets of electrodes through which a pulsed voltage is passed through a mineral substrate to create a crushing or drilling action. The electrocrushing drilling process may have, but does not require, rotation of the bit. The electrocrushing drilling process is capable of excavating the hole out beyond the edges of the bit with or without the need of mechanical teeth.
238	Modular fixed cutter earth-boring bits, modular fixed cutter earth-boring bit bodies, and related methods	EP11002039.3	2007-04-20	EP2327856A1	2011-06-01	Mirchandani, Prakash K.; Waller, Michale E.; Weigold, Jeffrey L.; Mosco, Alfred J.
A modular fixed cutter earth-boring bit body (20) includes a blade support piece (23) and at least one blade piece (24) fastened to the blade support piece. Methods of making modular fixed cutter earth-boring bit bodies and bits are disclosed.
239	EARTH-BORING ROTARY DRILL BITS INCLUDING BIT BODIES COMPRISING REINFORCED TITANIUM OR TITANIUM-BASED ALLOY MATRIX MATERIALS, AND METHODS FOR FORMING SUCH BITS	EP07861703.2	2007-11-05	EP2089604B1	2010-07-28	CHOE, Heman; STEVENS, John H.; OVERSTREET, James L.; WESTHOFF, James C.; EASON, Jimmy W.

240	DRILLING COMPOSITION, PROCESS FOR ITS PREPARATION, AND APPLICATIONS THEREOF	EP08843073.1	2008-10-24	EP2207862A1	2010-07-21	MÜLLER, Heinz; HERZOG, Nadja; MÄKER, Diana
The present invention relates to a drilling composition comprising I) an organic phase comprising components i. from about 20 wt.% to about 99.999 wt.%, based on the total weight of components i. and ii., of at least one linear or branched, cyclic or non-cyclic, saturated hydrocarbon, ii. from about 0.001 wt.% to about 25 wt.%, based on the total weight of components i. and ii., of at least one ester, II) from 0 to about 50 wt.%, based on the total weight of the composition, of water or aqueous phase, III) from 0 to about 60 wt.%, based on the total weight of the composition, of at least one additive, wherein the sum of the weight components I) to III) is 100 wt.%, to a process for preparation of a drilling composition, to uses of a drilling composition, to a drilling system, to a process for making a borehole, to a process for conveying cuttings, to a process for treating a drill head, to a process for production of at least one of oil and gas.

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