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    • 81. 发明申请
    • STREAMLINED POCKET DESIGN FOR PDC DRILL BITS
    • PDC钻孔钻头的流水线设计
    • WO2014105431A1
    • 2014-07-03
    • PCT/US2013/074392
    • 2013-12-11
    • VAREL INTERNATIONAL IND., L.P.
    • THIGPEN, Gary, M.
    • E21B10/46
    • E21B10/633E21B10/54E21B10/62Y10T29/49826
    • A cutter pocket, a downhole tool formed with at least one cutter pocket, and a method for coupling a cutter to the cutter pocket is described herein. The cutter pocket is formed within at least one blade of the downhole tool and includes a pocket back fabricated from a first material, a first pocket side extending from one end of the pocket back to a leading edge of the downhole tool, and a second pocket side extending from an opposing end of the pocket back to the leading edge. The pocket back and the pocket sides define a cavity. A cutter is positioned and coupled at least partially within the cavity. The height of an upper surface of the first material of the pocket back ranges between thirty percent to sixty-five percent of the cutter girth.
    • 这里描述了切割器凹槽,形成有至少一个切割器凹穴的井下工具以及用于将切割器联接到切割器凹槽的方法。 切割器袋形成在井下工具的至少一个叶片内,并且包括由第一材料制成的袋背,从袋的一端延伸到井下工具的前缘的第一袋侧,以及第二袋 侧面从口袋的相对端延伸回前缘。 口袋背部和口袋侧面限定一个空腔。 刀具定位并至少部分地连接在腔内。 口袋背部的第一材料的上表面的高度在切割器周长的百分之三十到百分之六十五之间。
    • 83. 发明申请
    • 해머 비트 및 그를 이용한 지면 천공 방법
    • HAMMER位和使用相同的地面执行方法
    • WO2014027819A1
    • 2014-02-20
    • PCT/KR2013/007275
    • 2013-08-13
    • 이광익이수영
    • 이광익이수영
    • E21B10/32E21B10/62
    • E21B10/32E21B10/40E21B10/62
    • 하나의 해머 비트로 일반 천공과 확장 천공을 수행할 수 있는 해머 비트 및 그를 이용한 지면 천공 방법에 관한 것으로, 원통형 중공부의 내측에 제 1, 제 2 걸림턱이 배치되는 가이드 디바이스와, 가이드 디바이스의 원통형 중공부의 내측에 일부 삽입되어, 가이드 디바이스의 제 1, 제 2 걸림턱에 동시 결합되거나 또는 가이드 디바이스의 제 2 걸림턱에만 결합되는 파일롯 비트와, 가이드 디바이스와 파일롯 비트 사이에 배치되어, 파일롯 비트가 가이드 디바이스의 제 1, 제 2 걸림턱에 동시 결합되면, 파일롯 비트의 결합 이동에 의해, 가이드 디바이스의 외측 방향으로 돌출되고, 파일롯 비트가 가이드 디바이스의 제 2 걸림턱에만 결합되면, 파일롯 비트의 결합 이동에 의해, 가이드 디바이스의 내측 방향으로 삽입되는 윙 비트를 포함할 수 있다.
    • 本发明涉及一种可以用单个锤钻头进行通用穿孔和扩大穿孔的锤钻头,以及使用该钻头的地面穿孔方法。 本发明包括:引导装置,其中第一和第二台阶布置在圆柱形中空部分内; 导向钻头,其部分地插入导向装置的圆柱形中空部分的内侧,以便同时与引导装置的第一和第二台阶连接,或者仅与引导件的第二台阶结合 设备; 以及机翼钻头,其布置在所述引导装置和所述导向钻头之间,以便当所述导向钻头与所述导向钻头的所述第一和第二台阶联接时,通过所述导向钻头的联接移动而在所述导向装置的外侧方向上突出 引导装置,并且当导向钻头仅与引导装置的第二台阶连接时,通过导向钻头的联接移动而插入引导装置的内侧方向。
    • 86. 发明申请
    • EARTH BORING TOOLS INCLUDING RETRACTABLE PADS, CARTRIDGES INCLUDING RETRACTABLE PADS FOR SUCH TOOLS, AND RELATED METHODS
    • 包括可回收垫,包括用于这些工具的可折叠垫的包装盒的地面钻孔工具及相关方法
    • WO2012174206A2
    • 2012-12-20
    • PCT/US2012042400
    • 2012-06-14
    • BAKER HUGHES INCOESTERBERG MARCUS
    • OESTERBERG MARCUS
    • E21B10/62E21B10/32
    • E21B10/42E21B7/04E21B7/064E21B10/322E21B10/60E21B10/62
    • An earth-boring tool may comprise at least one cavity formed in a face thereof. At least one retractable pad residing in the at least one cavity may be coupled to a piston located at least partially within the at least one cavity. Additionally, a valve may be positioned within the earth- boring tool and configured to regulate flow of an incompressible fluid in contact with the piston through an opening of a reservoir. A cartridge may comprise a barrel wall defining a first bore, and a piston comprising at least one retractable pad positioned at least partially within the first bore. The barrel wall and the piston may define a first reservoir within the first bore, and a valve may be positioned and configured to regulate flow through an opening to the first reservoir. Related methods and devices are also disclosed.
    • 钻孔工具可以包括在其面部中形成的至少一个空腔。 驻留在至少一个空腔中的至少一个伸缩垫可以联接到至少部分地位于至少一个空腔内的活塞。 此外,阀可以定位在钻孔工具内并且构造成通过储存器的开口来调节与活塞接触的不可压缩流体的流动。 盒可以包括限定第一孔的桶壁,以及包括至少部分地位于第一孔内的至少一个可缩回垫的活塞。 桶壁和活塞可以在第一孔内限定第一储存器,并且阀可以被定位和构造成调节流过通向第一储存器的开口的流动。 还公开了相关方法和装置。
    • 90. 发明申请
    • SMALL CORE GENERATION AND ANALYSIS AT-BIT AS LWD TOOL
    • 小核心生成和分析作为LWD工具
    • WO2012012006A1
    • 2012-01-26
    • PCT/US2011/034534
    • 2011-04-29
    • BAKER HUGHES INCORPORATEDKUMAR, Sunil
    • KUMAR, Sunil
    • E21B25/00E21B49/08
    • E21B49/02E21B10/02E21B10/62E21B25/00E21B25/08E21B49/08
    • The present disclosure is related to an apparatus for taking a sample in a wellbore during drilling operations. The apparatus may include a drill bit configured to form a core and at least one retractable cutter internal to the drill bit for taking the sample from the core. The apparatus may also include equipment for analyzing the sample, extracting fluid from the sample, testing fluid from the sample, encapsulating the sample, and/or tagging the sample. The present disclosure is also related to a method for taking a core sample without interrupting drilling operations. The method includes taking a core sample using a drill bit configured to take a core sample using internal cutters. The method may also include analyzing the sample, extracting fluid from the sample, analyzing fluid from the sample, encapsulating the sample, and/or tagging the sample.
    • 本公开涉及一种用于在钻井操作期间将样品置于井眼中的装置。 该装置可以包括构造成形成芯的钻头和用于从芯体取出样品的钻头内部的至少一个可缩回刀具。 该装置还可以包括用于分析样品,从样品中提取流体,从样品测试流体,封装样品和/或标记样品的设备。 本公开还涉及在不中断钻孔操作的情况下获取核心样品的方法。 该方法包括使用构造成使用内部切割器取得核心样品的钻头来获取核心样品。 该方法还可以包括分析样品,从样品中提取流体,分析来自样品的流体,封装样品和/或标记样品。