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    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
    1.
    发明申请
    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH 审中-公开
    地面移除会员，具有促进钻孔的特点

    公开(公告)号：WO2012088323A3

    公开(公告)日：2013-04-18

    申请号：PCT/US2011066607

    申请日：2011-12-21

    Applicant: WEATHERFORD LAMB ,  UGWUOCHA SHARP OKORIE ,  RAE STEVEN

    Inventor： UGWUOCHA SHARP OKORIE ,  RAE STEVEN

    IPC: E21B10/42 ,  E21B10/627

    CPC classification number: E21B10/42 ,  E21B10/627

    Abstract: An earth removal member with features for facilitating drill-through is provided for drilling with casing or liner applications. In one embodiment, the casing bit includes a tubular body (5); a nose (10) attached to one end of the tubular body (5), wherein the nose (10) includes a blade support (14) and comprises a drillable material; a blade (15) attached to the blade support (14) using mating profiles (31, 43); cutters (20) disposed along the blade (15); and a nozzle (30) disposed in the nose (10).

    Abstract translation: 提供了具有便于钻孔的特征的除土构件，用于利用套管或衬套应用进行钻孔。 在一个实施例中，套管钻头包括管体（5）; 附接到所述管状体（5）的一端的鼻子（10），其中所述鼻部（10）包括刀片支撑件（14）并且包括可钻孔材料; 使用配合轮廓（31,43）连接到所述叶片支撑件（14）上的叶片（15）; 沿刀片（15）设置的刀具（20）; 和设置在鼻部（10）中的喷嘴（30）。

    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
    2.
    发明专利
    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH 未知

    公开(公告)号：CA2820954C

    公开(公告)日：2016-02-09

    申请号：CA2820954

    申请日：2011-12-21

    Applicant: WEATHERFORD LAMB

    Inventor： UGWUOCHA SHARP OKORIE ,  RAE STEVEN

    IPC: E21B10/42 ,  B01J8/00 ,  E21B10/627

    Abstract: An earth removal member with features for facilitating drill-through is provided for drilling with casing or liner applications. In one embodiment, the casing bit includes a tubular body (5); a nose (10) attached to one end of the tubular body (5), wherein the nose (10) includes a blade support (14) and comprises a drillable material; a blade (15) attached to the blade support (14) using mating profiles (31, 43); cutters (20) disposed along the blade (15); and a nozzle (30) disposed in the nose (10).

    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
    3.
    发明专利
    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH 未知

    公开(公告)号：CA2820954A1

    公开(公告)日：2012-06-28

    申请号：CA2820954

    申请日：2011-12-21

    Applicant: WEATHERFORD LAMB

    Inventor： UGWUOCHA SHARP OKORIE ,  RAE STEVEN

    IPC: E21B10/42 ,  B01J8/00 ,  E21B10/627

    Abstract: An earth removal member with features for facilitating drill-through is provided for drilling with casing or liner applications. In one embodiment, the casing bit includes a tubular body; a nose attached to one end of the tubular body, wherein the nose includes a blade support and comprises a drillable material; a blade attached to the blade support using mating profiles; cutters disposed along the blade; and a nozzle disposed in the nose.

    Earth removal member with features for facilitating drill-through
    4.
    发明专利
    Earth removal member with features for facilitating drill-through 未知

    公开(公告)号：AU2011348242A1

    公开(公告)日：2013-07-11

    申请号：AU2011348242

    申请日：2011-12-21

    Applicant: WEATHERFORD LAMB

    Inventor： UGWUOCHA SHARP OKORIE ,  RAE STEVEN

    IPC: E21B10/42 ,  E21B10/627

    Abstract: An earth removal member with features for facilitating drill-through is provided for drilling with casing or liner applications. In one embodiment, the casing bit includes a tubular body; a nose attached to one end of the tubular body, wherein the nose includes a blade support and comprises a drillable material; a blade attached to the blade support using mating profiles; cutters disposed along the blade; and a nozzle disposed in the nose.

    Earth removal member with features for facilitating drill-through
    5.
    发明专利
    Earth removal member with features for facilitating drill-through 未知

    公开(公告)号：AU2010219396B2

    公开(公告)日：2013-05-02

    申请号：AU2010219396

    申请日：2010-09-10

    Applicant: WEATHERFORD LAMB

    Inventor： TWARDOWSKI ERIC M ,  ODELL LL ALBERT C ,  FEASEY GUY F ,  BEATTIE SCOTT ,  UGWUOCHA SHARP OKORIE

    IPC: E21B10/28 ,  E21B10/43 ,  E21B10/61

    Abstract: EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL 5 Embodiments of the present invention generally relate to an earth removal member (1) with features for facilitating drill-through. In one embodiment, an earth removal member (1) for drilling a wellbore with casing or liner includes a tubular body (5) and a head (10). The head (10) is fastened to or formed with an end of the body (5), has a face (1Of) and a side (lOg), is made from a high strength material, and has a port 1o (1Op) formed through the face (10f). The earth removal member further includes a blade (15a,15b). The blade (15a,15b) is formed on the head (10), extends from the side (10g) and along the face (10f), and is made from the high strength material. The earth removal member further includes cutters (20) disposed along the blade (1 5a, I 5b); and a nozzle adapter (450). The nozzle adapter (450) has a port (450p) formed therethrough, is is longitudinally and rotationally coupled to the head (10), and is made from a drillable material. The earth removal member further includes a nozzle (100) disposed in the adapter port (4 50p) and fastened to the nozzle adapter (450). K1 5a 20 lOf 15r 15b lot 1op 1og

    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
    6.
    发明专利
    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH 未知

    公开(公告)号：CA2714545A1

    公开(公告)日：2011-03-11

    申请号：CA2714545

    申请日：2010-09-09

    Applicant: WEATHERFORD LAMB

    Inventor： TWARDOWSKI ERIC M ,  ODELL ALBERT C II ,  FEASEY GUY F ,  BEATTIE SCOTT ,  UGWUOCHA SHARP OKORIE

    IPC: E21B10/26 ,  E21B10/62

    Abstract: Embodiments of the present invention generally relate to an earth removal member with features for facilitating drill-through. In one embodiment, an earth removal member for drilling a wellbore with casing or liner includes a tubular body and a head. The head is fastened to or formed with an end of the body, has a face and a side, is made from a high strength material, and has a port formed through the face. The earth removal member further includes a blade. The blade is formed on the head, extends from the side and along the face, and is made from the high strength material. The earth removal member further includes cutters disposed along the blade; and a nozzle adapter. The nozzle adapter has a port formed therethrough, is longitudinally and rotationally coupled to the head, and is made from a drillable material. The earth removal member further includes a nozzle disposed in the adapter port and fastened to the nozzle adapter.

    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
    7.
    发明专利
    EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH 未知

    公开(公告)号：CA2714545C

    公开(公告)日：2013-12-31

    申请号：CA2714545

    申请日：2010-09-09

    Applicant: WEATHERFORD LAMB

    Inventor： TWARDOWSKI ERIC M ,  ODELL ALBERT C II ,  FEASEY GUY F ,  BEATTIE SCOTT ,  UGWUOCHA SHARP OKORIE

    IPC: E21B10/26 ,  E21B10/62

    Abstract: Embodiments of the present invention generally relate to an earth removal member with features for facilitating drill-through. In one embodiment, an earth removal member for drilling a wellbore with casing or liner includes a tubular body and a head. The head is fastened to or formed with an end of the body, has a face and a side, is made from a high strength material, and has a port formed through the face. The earth removal member further includes a blade. The blade is formed on the head, extends from the side and along the face, and is made from the high strength material. The earth removal member further includes cutters disposed along the blade; and a nozzle adapter. The nozzle adapter has a port formed therethrough, is longitudinally and rotationally coupled to the head, and is made from a drillable material. The earth removal member further includes a nozzle disposed in the adapter port and fastened to the nozzle adapter.

    Earth removal member with features for facilitating drill-through
    8.
    发明专利
    Earth removal member with features for facilitating drill-through 未知

    公开(公告)号：AU2013206489A1

    公开(公告)日：2013-07-11

    申请号：AU2013206489

    申请日：2013-06-24

    Applicant: WEATHERFORD LAMB

    Inventor： TWARDOWSKI ERIC M ,  ODELL II ALBERT C ,  FEASEY GUY F ,  BEATTIE SCOTT ,  UGWUOCHA SHARP OKORIE

    IPC: E21B10/28 ,  E21B10/43 ,  E21B10/61

    Abstract: EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH An earth removal member (1) for drilling a wellbore with casing or liner, comprising: a tubular body (5); a head (10) fastened to or formed with an end of the body (5), having a face (10f) and a side (10g), made from a high strength material, and having head ports (10p) formed through the face (10f); a blade (15a) formed on the head (10), extending from the side (10g) and along the face (10f), and made from the high strength material; cutters (20) disposed along the blade (15a); nozzle adapters (450), each nozzle adapter (450) disposed in a respective head port (10p) and having an adapter port (450p) formed therethrough, each nozzle adapter (450) longitudinally and rotationally coupled to the head (10), and each nozzle adapter (450) made from a drillable material selected from a group consisting of copper, brass, bronze, aluminium, zinc, tin, alloys thereof, or a polymer; a nozzle (100) disposed in each adapter port (450p) and fastened to the respective nozzle adapter (450), wherein: a nominal thickness of the face (10f) facilitates drill-through by a drill bit, each nozzle adapter (450) has a thickness greater than the nominal thickness, and a length of each nozzle (100) is greater than the nozzle adapter (450) thickness.

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