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    EARTH-BORING BITS
    3.
    发明专利
    EARTH-BORING BITS 未知

    公开(公告)号：SG151332A1

    公开(公告)日：2009-04-30

    申请号：SG2009022435

    申请日：2005-04-28

    Applicant: TDY IND INC ,  BAKER HUGHES INC

    Inventor： MIRCHANDANI PRAKASH K ,  EASON JIMMY W ,  OAKES JAMES J ,  WESTHOFF JAMES C ,  COLLINS GABRIEL B ,  CALDWELL STEVEN G ,  STEVENS JOHN H ,  MOSCO ALFRED J

    IPC: C22C1/10 ,  C22C29/00 ,  C22C29/06 ,  E21B10/00 ,  E21B10/46

    Abstract: EARTH-BORING BITS The present invention relates to compositions and methods for forming a bit body for an earth-boring bit. The bit body may comprise hard particles, wherein the hard particles comprise at least one carbide, nitride, boride, and oxide and solid solutions thereof, and a binder binding together the hard particles. The binder may comprise at least one metal selected from cobalt, nickel, and iron, and, optionally, at least one melting point reducing constituent selected from a transition metal carbide in the range of (30) to (60) weight percent, boron up to (10) weight percent, silicon up to (20) weight percent, chromium up to (20) weight percent, and manganese up to (25) weight percent, wherein the weight percentages are based on the total weight of the binder. In addition, the hard particles may comprise at least one of (i) cast carbide (WC + W2C) particles, (ii) transition metal carbide particles selected from the carbides of titanium, chromium, vanadium, zirconium, hafnium, tantalum, molybdenum, niobium, and tungsten, and (iii) sintered cemented carbide particles.

    CONSOLIDATED HARD MATERIALS, METHODS OF MANUFACTURE, AND APPLICATIONS
    4.
    发明申请
    CONSOLIDATED HARD MATERIALS, METHODS OF MANUFACTURE, AND APPLICATIONS 审中-公开
    综合硬质材料，制造方法和应用

    公开(公告)号：WO03049889A2

    公开(公告)日：2003-06-19

    申请号：PCT/US0238664

    申请日：2002-12-04

    Applicant: BAKER HUGHES INC ,  EASON JIMMY W ,  WESTHOFF JAMES C ,  LUETH ROY CARL

    Inventor： EASON JIMMY W ,  WESTHOFF JAMES C ,  LUETH ROY CARL

    IPC: B22F3/15 ,  C22C29/00 ,  E21B10/46 ,  E21B10/56 ,  E21B10/60 ,  E21B10/61 ,  B23B

    CPC classification number: E21B10/61 ,  B22F3/15 ,  B22F3/156 ,  B22F2003/241 ,  B22F2003/248 ,  B22F2009/041 ,  B22F2998/00 ,  B22F2998/10 ,  B22F2999/00 ,  C22C29/00 ,  E21B10/46 ,  E21B10/56 ,  Y10T408/78 ,  Y10T428/31855 ,  B22F3/24 ,  B22F2202/11 ,  B22F3/1035 ,  B22F9/04 ,  B22F1/025

    Abstract: The present invention includes consolidated hard materials, methods for producing them, and industrial drilling and cutting applications for them. A consolidated hard material may be produced using hard particles such as B4C or carbides or borides of W, Ti, Mo, Nb, V, Hf, Ta, Zr, and Cr in combination with an iron-based, nickel-based, nickel and iron-based, iron and cobalt-based, aluminum-based, copper-based, magnesium-based, or titanium-based alloy for the binder material. Commercially pure elements such as aluminum, copper, magnesium, titanium, iron, or nickel may also be used for the binder material. The mixture of the hard particles and the binder material may be consolidated at a temperature below the liquidus temperature of the binder material using a technique such as rapid omnidirectional compaction (ROC), the CeraconTM process, or hot isostatic pressing (HIP). After sintering, the consolidated hard material may be treated to alter its material properties.

    Abstract translation: 本发明包括固结的硬质材料，它们的生产方法，以及它们的工业钻孔和切割应用。 可以使用硬质颗粒如硼，碳化物或W，Ti，Mo，Nb，V，Hf，Ta，Zr和Cr的硼化物与铁基，镍基，镍和 用于粘合剂材料的铁基，铁和钴基，铝基，铜基，镁基或钛基合金。 商业上纯的元素如铝，铜，镁，钛，铁或镍也可用于粘合剂材料。 硬质颗粒和粘合剂材料的混合物可以使用诸如快速全向压实（ROC），CeraconTM工艺或热等静压（HIP）的技术在低于粘合剂材料的液相线温度的温度下固化。 烧结后，可以处理固结的硬质材料以改变其材料性质。

    7.
    发明专利
    未知

    公开(公告)号：AT475774T

    公开(公告)日：2010-08-15

    申请号：AT07861703

    申请日：2007-11-05

    Applicant: BAKER HUGHES INC

    Inventor： CHOE HEMAN ,  STEVENS JOHN H ,  OVERSTREET JAMES L ,  WESTHOFF JAMES C ,  EASON JIMMY W

    IPC: E21B10/42 ,  E21B10/20

    Abstract: Earth-boring rotary drill bits include bit bodies comprising a composite material including a plurality of hard phase regions or particles dispersed throughout a titanium or titanium-based alloy matrix material. The bits further include a cutting structure disposed on a face of the bit body. In some embodiments, the bit bodies may include a plurality of regions having differing material compositions. For example, the bit bodies may include a first region comprising a plurality of hard phase regions or particles dispersed throughout a titanium or titanium-based alloy matrix material, and a second region comprising a titanium or a titanium-based alloy material. Methods for forming such drill bits include at least partially sintering a plurality of hard particles and a plurality of particles comprising titanium or a titanium-based alloy material to form a bit body comprising a particle-matrix composite material. A shank may be attached directly to the bit body.

    EARTH-BORING ROTARY DRILL BITS INCLUDING BIT BODIES HAVING BORON CARBIDE PARTICLES IN ALUMINUM OR ALUMINUM-BASED ALLOY MATRIX MATERIALS, AND METHODS FOR FORMING SUCH BITS
    8.
    发明专利
    EARTH-BORING ROTARY DRILL BITS INCLUDING BIT BODIES HAVING BORON CARBIDE PARTICLES IN ALUMINUM OR ALUMINUM-BASED ALLOY MATRIX MATERIALS, AND METHODS FOR FORMING SUCH BITS 未知

    公开(公告)号：CA2668192C

    公开(公告)日：2012-05-15

    申请号：CA2668192

    申请日：2007-09-28

    Applicant: BAKER HUGHES INC

    Inventor： CHOE HEMAN ,  STEVENS JOHN H ,  WESTHOFF JAMES C ,  EASON JIMMY W ,  OVERSTREET JAMES L

    IPC: E21B10/42 ,  E21B10/50 ,  E21B10/54

    Abstract: Rotary drill bits (10) for drilling subterranean formations include a bit body (12) and at least one cutting structure (34) disposed on a face (18) thereof. The bit body includes a crown region (14) comprising a particle-matrix composite material (52) that includes a plurality of boron carbide particles (50) dispersed throughout an aluminum or aluminum-based alloy matrix material. In some embodiments, the matrix material may include a continuous solid solution phase and a discontinuous precipitate phase. Methods of manufacturing rotary drill bits for drilling subterranean formations include infiltrating a plurality of boron carbide particles with a molten aluminum or aluminum-based material. In additional methods, a green powder component is provided that includes a plurality of particles each comprising boron carbide and a plurality of particles each comprising aluminum or an aluminum-based alloy material. The green powder component is at least partially sintered to provide a bit body, and a shank is attached to the bit body.

    Consolidated hard materials, methods of manufacture, and applications
    10.
    发明专利
    Consolidated hard materials, methods of manufacture, and applications 未知

    公开(公告)号：AU2002364962A8

    公开(公告)日：2003-06-23

    申请号：AU2002364962

    申请日：2002-12-04

    Applicant: BAKER HUGHES INC

    Inventor： LUETH ROY CARL ,  EASON JIMMY W ,  WESTHOFF JAMES C

    IPC: B22F3/15 ,  C22C29/00 ,  E21B10/46 ,  E21B10/56 ,  E21B10/60 ,  E21B10/61 ,  B22F3/00 ,  C22C32/00 ,  C22C9/00 ,  C22C33/00 ,  C22C14/00 ,  C22C19/00 ,  C22C23/00 ,  C22C21/00

    Abstract: The present invention includes consolidated hard materials, methods for producing them, and industrial drilling and cutting applications for them. A consolidated hard material may be produced using hard particles such as B 4 C or carbides or borides of W, Ti, Mo, Nb, V, Hf, Ta, Zr, and Cr in combination with an iron-based, nickel-based, nickel and iron-based, iron and cobalt-based, aluminum-based, copper-based, magnesium-based, or titanium-based alloy for the binder material. Commercially pure elements such as aluminum, copper, magnesium, titanium, iron, or nickel may also be used for the binder material. The mixture of the hard particles and the binder material may be consolidated at a temperature below the liquidus temperature of the binder material using a technique such as rapid omnidirectional compaction (ROC), the Ceracon „¢ process, or hot isostatic pressing (HIP). After sintering, the consolidated hard material may be treated to alter its material properties.

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