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51. 发明授权

US08167059B2 Casing and liner drilling shoes having spiral blade configurations, and related methods 有权
标题翻译：具有螺旋叶片配置的套管和衬板钻石鞋及相关方法
公开(公告)号：US08167059B2
公开(公告)日：2012-05-01
申请号：US13178061
申请日：2011-07-07
申请人： Jack T. Oldham , L. Allen Sinor , Eric E. McClain , Robert A. Laing , Evan C. Turner , Mark W. Dykstra , Eric C. Sullivan
发明人： Jack T. Oldham , L. Allen Sinor , Eric E. McClain , Robert A. Laing , Evan C. Turner , Mark W. Dykstra , Eric C. Sullivan
IPC分类号： E21B7/14 , E21B7/20 , E21B17/22
CPC分类号： E21B10/55 , E21B7/20 , E21B10/08 , E21B10/26 , E21B10/42 , E21B10/567 , E21B17/07 , E21B17/14
摘要： A casing bit, which may comprise a composite structure, for drilling a casing section into a subterranean formation, and which may include a portion configured to be drilled therethrough, is disclosed. Cutting elements and methods of use are disclosed. Adhesive, solder, electrically disbonding material, and braze affixation of a cutting element are disclosed. Differing abrasive material amount, characteristics, and size of cutting elements are disclosed. Telescoping casing sections and bits are disclosed. Aspects and embodiments are disclosed including: at least one gage section extending from a nose portion, at least one rotationally trailing groove formed in at least one of a plurality of blades, a movable blade, a leading face comprising superabrasive material, at least one of a drilling fluid nozzle and a sleeve, grooves for preferential failure, at least one rolling cone affixed to the nose portion, at least one sensor, discrete cutting element retention structures, and percussion inserts.
摘要翻译：公开了一种套管钻头，其可以包括复合结构，用于将套管部分钻入地下地层中，并且其可以包括构造成穿过其中的部分。公开了切割元件和使用方法。公开了粘合剂，焊料，电解剥离材料和切割元件的钎焊固定。公开了不同的研磨材料量，特性和切割元件的尺寸。公开了伸缩套管段和钻头。公开的方面和实施例包括：从鼻部延伸的至少一个量具部分，形成在多个叶片中的至少一个叶片中的至少一个旋转后缘槽，可动刀片，包括超级磨料材料的前端面，至少一个钻井液喷嘴和套筒，用于优先失效的槽，至少一个固定到鼻部的滚动锥体，至少一个传感器，离散切割元件保持结构和冲击插入件。

52. 发明申请

US20110266069A1 CASING SHOES INCLUDING CUTTING ELEMENTS, CUTTING ELEMENTS FOR EARTH-BORING TOOL, AND RELATED METHODS 审中-公开
标题翻译：包括切割元件，切割元件，用于接地工具的外壳和相关方法
公开(公告)号：US20110266069A1
公开(公告)日：2011-11-03
申请号：US13178103
申请日：2011-07-07
申请人： Jack T. Oldham , L. Allen Sinor , Eric E. McClain , Robert A. Laing , Evan C. Turner , Mark W. Dykstra , Eric C. Sullivan
发明人： Jack T. Oldham , L. Allen Sinor , Eric E. McClain , Robert A. Laing , Evan C. Turner , Mark W. Dykstra , Eric C. Sullivan
IPC分类号： E21B17/14 , E21B10/56
CPC分类号： E21B10/55 , E21B7/20 , E21B10/08 , E21B10/26 , E21B10/42 , E21B10/567 , E21B17/07 , E21B17/14
摘要： A casing bit, which may comprise a composite structure, for drilling a casing section into a subterranean formation, and which may include a portion configured to be drilled therethrough, is disclosed. Cutting elements and methods of use are disclosed. Adhesive, solder, electrically disbonding material, and braze affixation of a cutting element are disclosed. Differing abrasive material amount, characteristics, and size of cutting elements are disclosed. Telescoping casing sections and bits are disclosed. Aspects and embodiments are disclosed including: at least one gage section extending from a nose portion, at least one rotationally trailing groove formed in at least one of the plurality of blades, a movable blade, a leading face comprising superabrasive material, at least one of a drilling fluid nozzle and a sleeve, grooves for preferential failure, at least one rolling cone affixed to the nose portion, at least one sensor, discrete cutting element retention structures, and percussion inserts.
摘要翻译：公开了一种套管钻头，其可以包括复合结构，用于将套管部分钻入地下地层中，并且其可以包括构造成穿过其中的部分。公开了切割元件和使用方法。公开了粘合剂，焊料，电解剥离材料和切割元件的钎焊固定。公开了不同的研磨材料量，特性和切割元件的尺寸。公开了伸缩套管段和钻头。公开的方面和实施例包括：从鼻部延伸的至少一个量具部分，形成在多个叶片中的至少一个叶片中的至少一个旋转拖尾槽，可动刀片，包括超级磨料的前端面，至少一个钻井液喷嘴和套筒，用于优先失效的槽，至少一个固定到鼻部的滚动锥体，至少一个传感器，离散切割元件保持结构和冲击插入件。

53. 发明授权

US07905301B2 Earth boring drill bits made from a low-carbon, high-molybdenum alloy 有权
标题翻译：地球钻头由低碳高钼合金制成
公开(公告)号：US07905301B2
公开(公告)日：2011-03-15
申请号：US12166954
申请日：2008-07-02
申请人： Carmel Z. El Hakam , Eric C. Sullivan , John F. Bradford, III , Don Q. Nguyen
发明人： Carmel Z. El Hakam , Eric C. Sullivan , John F. Bradford, III , Don Q. Nguyen
IPC分类号： E21B10/46
CPC分类号： C22C38/04 , C21D9/22 , C22C38/02 , C22C38/06 , C22C38/44
摘要： An earth boring bit formed from an alloy comprising a low carbon content and high molybdenum content is disclosed herein. The molybdenum content is greater than about 0.8% to about 1.15% by weight of the alloy. The carbon content may range up to about 0.16% by weight of the alloy. The alloy may further comprise alloy further comprises manganese, phosphorus, sulfur, silicon, nickel, chromium, copper, aluminum, vanadium, and calcium; with the balance being iron. The alloy experiences a relatively flattened hardenability curve and low martinsite formation.
摘要翻译：本文公开了由包含低碳含量和高钼含量的合金形成的钻孔钻头。钼含量大于合金重量的约0.8％至约1.15％。碳含量可以高达合金重量的约0.16％。合金还可以包含锰，磷，硫，硅，镍，铬，铜，铝，钒和钙; 平衡是铁。该合金经历相对扁平的淬透性曲线和低的马氏体组成。

54. 发明申请

US20100012392A1 SHANK STRUCTURE FOR ROTARY DRILL BITS 有权
标题翻译：旋转钻机组的SHANK结构
公开(公告)号：US20100012392A1
公开(公告)日：2010-01-21
申请号：US12566922
申请日：2009-09-25
申请人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
发明人： Anton F. Zahradnik , Eric C. Sullivan , R. Scot Smith , Daniel E. Ruff , Danielle V. Roberts , Alan J. Massey
IPC分类号： E21B10/42
CPC分类号： B23K31/02 , E21B10/00 , E21B10/42
摘要： 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.
摘要翻译：公开了一种用于旋转钻头的柄构造，用于相对于钻头体定位柄。柄的锥形表面或特征可以被构造和定尺寸成匹配地接合钻头体的互补成形的表面或特征，从而相对于钻头体中心或定位。可变形元件可以设置在柄和钻头体之间。另外，柄可以包含碳当量小于约0.35％的材料。可以采用多通焊接方法将柄和钻头体彼此固定，其中可以形成焊缝，使得一个焊缝起始于不同于其紧接在前的焊缝的起始圆周位置的周向位置至少约90° °。此外，可以在多遍焊缝内形成应力状态。还公开了一种制造方法。

55. 发明授权

US6142249A Earth-boring bit with improved bearing seal 有权
标题翻译：具有改进的轴承密封的钻孔钻头
公开(公告)号：US6142249A
公开(公告)日：2000-11-07
申请号：US471218
申请日：1999-12-23
申请人： Anton F. Zahradnik , Eric C. Sullivan , Chih Lin , Terry J. Koltermann , Scott R. Schmidt
发明人： Anton F. Zahradnik , Eric C. Sullivan , Chih Lin , Terry J. Koltermann , Scott R. Schmidt
IPC分类号： E21B10/22 , E21B10/25 , F16J15/34 , F16C33/72
CPC分类号： E21B10/25 , F16J15/344
摘要： An earth-boring bit has a bit body and at least one bearing shaft depending inwardly and downwardly from the bit body. The bearing shaft has a base where it joins the bit body. At least one cutter is mounted for rotation on the bearing shaft and has radial and axial surfaces that cooperate with the base of the bearing shaft to define a bearing seal gland. A bearing is defined between the cutter and bearing shaft. A seal element is disposed in the seal gland. A secondary seal is disposed in the seal gland opposite the cutter axial surface and cooperates with the seal element to at least partially seal the gland against entry of debris from the exterior of the bit.
摘要翻译：钻头具有一个位体，并且至少一个轴承轴从钻头体向内和向下偏离。轴承座有一个底座，它连接钻头体。安装至少一个切割器用于在轴承轴上旋转并且具有径向和轴向表面，其与轴承轴的基部配合以限定轴承密封压盖。在切割器和轴承轴之间限定了一个轴承。密封元件设置在密封压盖中。二次密封件设置在与切割器轴向表面相对的密封压盖中，并与密封元件配合，以至少部分地密封压盖以防止碎屑从钻头的外部进入。

56. 发明授权

US4899838A Earth boring bit with convergent cutter bearing 失效
标题翻译：地球钻头与会聚刀具轴承
公开(公告)号：US4899838A
公开(公告)日：1990-02-13
申请号：US277616
申请日：1988-11-29
申请人： Eric C. Sullivan , Bruce H. Burr
发明人： Eric C. Sullivan , Bruce H. Burr
IPC分类号： E21B10/22 , F16C17/02
CPC分类号： E21B10/22 , F16C17/02
摘要： An earth boring bit having a body and a cantilevered bearing shaft extending inwardly and downwardly from the body. A rotatable cutter with an open end is assembled over the shaft, which has a journal surface formed around a longitudinal axis. The cutter has a bearing surface sized to permit assembly over the journal surface of the shaft. At the open end of the cutter bearing surface is a seal recess which includes an intersecting wall that defines an annular, generally curved corner to oppose the journal surface of the shaft. The cutter bearing surface has a curved outer region that converges from the annular corner of the seal recess into an inner region to reduce the stress the corner induces upon the journal bearing surface of the shaft, including the stress induced by cutter cocking during drilling.
摘要翻译：具有主体的悬空钻头和从主体向内和向下延伸的悬臂轴承轴。具有开口端的可旋转切割器组装在轴上，该轴具有围绕纵向轴线形成的轴颈表面。切割器具有尺寸允许组装在轴的轴颈表面上的轴承表面。在切割器支承表面的开口端是密封凹槽，该密封凹槽包括一个相交的壁，该相交壁限定了一个与轴的轴颈表面相对的环形大致弯曲的角。刀具支承表面具有弯曲的外部区域，该外部区域从密封凹槽的环形角部收敛到内部区域中，以减小角部在轴颈轴承表面上引起的应力，包括在钻孔期间由切割器起动引起的应力。

57. 发明授权

US4741471A Method for manufacturing a rotary rock bit 失效
标题翻译：旋转钻头的制造方法
公开(公告)号：US4741471A
公开(公告)日：1988-05-03
申请号：US40381
申请日：1987-04-20
申请人： Eric C. Sullivan
发明人： Eric C. Sullivan
IPC分类号： B23K31/10 , B23K33/00 , E21B10/20 , B23K31/02
CPC分类号： E21B10/20 , B23K31/10 , B23K33/004 , B23K2201/002
摘要： A method and device are shown for manufacturing rotary rock bits. The method eliminates repositioning errors in robotic welding operations by combining a cutting torch and a welding torch on a single, rotatable bracket whereby a bit can be welded at a single station without multiple rechuckings. The quality of the weld tie-in between any two intersecting seams (radial-radial or radial-axial) results where the groove for the latter seam in each pair is cut after the first seam in the pair has been welded.
摘要翻译：示出了用于制造旋转岩石钻头的方法和装置。该方法通过将割炬和焊炬组合在单个可旋转的支架上，从而消除了机器人焊接操作中的重新定位错误，从而可以在单个工位焊接钻头，而无需多次重新接头。任何两个相交接缝（径向 - 径向或径向 - 轴向）之间的焊接质量的结果是，在对中的后一个接缝的槽被焊接在一对中的第一个接缝之后被切割。

58. 发明授权

US4726432A Differentially hardfaced rock bit 失效
标题翻译：差异化的岩石钻头
公开(公告)号：US4726432A
公开(公告)日：1988-02-23
申请号：US72315
申请日：1987-07-13
申请人： Danny E. Scott , Eric C. Sullivan
发明人： Danny E. Scott , Eric C. Sullivan
IPC分类号： B23K35/32 , C21D9/22 , E21B10/50
CPC分类号： E21B10/50 , B23K35/327 , C21D9/22 , Y10T29/49986
摘要： A method for manufacturing an earth boring drill bit and bit produced thereby are shown. The bit has rotatable cutters with a plurality of milled teeth, each of the teeth having opposing flanks. A first tube hardfacing is applied to a selected one of the opposing flanks, the hardfacing comprising a metallic binder with wear-resistant particles dispersed throughout the binder. The other of the opposing flanks has a second tube hardfacing applied thereto. The particle size of the wear-resistant particles differs between the first and second tube hardfacings so that the resulting difference in abrasion resistance of the tooth flanks produces a self-sharpening effect as the tooth wears.
摘要翻译：示出了由此制造的钻孔钻头和钻头的制造方法。该钻头具有多个铣削齿的可旋转刀具，每个齿具有相对的侧面。将第一管表面硬化施加到所选择的相对侧面中的一个，所述表面硬化包含金属粘合剂，所述粘合剂具有分散在整个粘合剂中的耐磨颗粒。另一个相对的侧面具有施加到其上的第二管表面硬化。耐磨颗粒的粒径在第一和第二管硬化之间是不同的，从而当牙齿磨损时，齿面的耐磨性差异产生自磨损效果。

59. 发明授权

US4567343A Welding torch with dual gas shielding 失效
标题翻译：焊接手电筒双气体屏蔽
公开(公告)号：US4567343A
公开(公告)日：1986-01-28
申请号：US710000
申请日：1985-03-13
申请人： Eric C. Sullivan , Daniel W. Allford
发明人： Eric C. Sullivan , Daniel W. Allford
IPC分类号： B23K9/173 , B23K9/16
CPC分类号： B23K9/173
摘要： A welding torch is shown with a dual shield gas flow for preventing flux buildup on the weld area for welds in confined spaces. The torch has a wire conduit for receiving an advancing supply of welding wire. The wire conduit has a curved end portion for guiding the welding wire toward the weld area and has an opening through which the welding wire extends for welding. A primary gas conduit directs the flow of primary shield gas and has an open, gas dispensing end adjacent the wire conduit opening. A secondary shield gas source located rearward of the gas dispensing end directs the flow of secondary shield gas in the direction of the weld area. The secondary shield gas flow is arranged to surround the primary gas flow in the direction of the weld. The orientation of the primary gas exiting the primary gas conduit induces the flow of secondary gas to change direction to provide additional gas shielding for the weld area.
摘要翻译：焊枪显示有双重屏蔽气流，用于防止在密封空间焊缝处焊接区域的焊剂积聚。手电筒具有用于接收焊丝进给的电线的导线管。导线管具有用于将焊丝引向焊接区域的弯曲端部，并且具有开口，焊丝通过该开口延伸用于焊接。主气体导管引导主屏蔽气体的流动，并且在导线管开口附近具有开放的气体分配端。位于气体分配端的后方的辅助屏蔽气体源引导辅助屏蔽气体在焊接区域的方向上的流动。辅助屏蔽气体流被布置成围绕沿着焊接方向的主气流。离开主要气体管道的主要气体的取向引起二次气体的流动改变方向，为焊接区域提供额外的气体屏蔽。

60. 发明授权

US4228339A Method of hardfacing tool joints 失效
标题翻译：工具接头硬化方法
公开(公告)号：US4228339A
公开(公告)日：1980-10-14
申请号：US974168
申请日：1978-12-28
申请人： Stanley R. Scales , Eric C. Sullivan
发明人： Stanley R. Scales , Eric C. Sullivan
IPC分类号： B23K9/04 , B23K31/02 , C23C4/06
CPC分类号： B23K31/025 , B23K9/048 , C23C4/06
摘要： An improved method for hardfacing tool joints for earth boring drill pipe. Annular bands of hardfacing are applied by an apparatus that creates an arc between a consumable steel wire and the tool joint. The steel wire is reciprocated across the width of the band as the tool joint is rotated. Granules of tungsten carbide flow by gravity from a hopper into the weld puddle. The flow of granules into the puddle is stopped just prior to reaching the tie-in point. The arc continues a short distance, creating an overlapping protuberance at the tie-in that is free of granules at the surface. This protuberance can be easily ground smooth with the remainder of the hardfacing.
摘要翻译：一种改进的钻孔钻杆工具接头的方法。通过在消耗性钢丝和工具接头之间产生电弧的设备来施加硬化面的环形带。当工具接头旋转时，钢丝在带的宽度上往复运动。通过重力将碳化钨颗粒从料斗流入焊接熔池。在达到接合点之前停止进入水坑的颗粒流。电弧持续很短的距离，在接合处产生一个重叠的突起，在表面没有颗粒。这种突起可以容易地磨平，剩余的硬化面。

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