公开(公告)号：US20150152689A1

公开(公告)日：2015-06-04

申请号：US14413902

申请日：2012-09-05

申请人： Shilin Chen ,  Guy Lefort ,  Robert W. Arfele ,  James R. Ashby

发明人： Shilin Chen ,  Guy Lefort ,  Robert W. Arfele ,  James R. Ashby

IPC分类号： E21B10/43 ,  G06F17/50

CPC分类号： E21B10/43 ,  E21B10/00 ,  E21B10/16 ,  E21B10/55 ,  G06F17/5086

摘要： A multi-layer downhole drilling tool designed for drilling a wellbore including a plurality of formations is disclosed. The drilling tool includes a bit body including a rotational axis extending therethrough. A plurality of blades are disposed on exterior portions of the bit body. A plurality of primary cutting elements and a plurality of back-up cutting elements are disposed on exterior portions of the plurality of blades. The back-up cutting elements are track set with corresponding primary cutting elements, and each back-up cutting element is disposed on a different blade than the corresponding primary cutting element.

摘要翻译： 公开了一种用于钻井包括多个地层的多层井下钻孔工具。 该钻具包括一个包括延伸穿过其中的旋转轴线的钻头体。 多个叶片设置在钻头体的外部部分上。 多个主切割元件和多个备用切割元件设置在多个叶片的外部部分上。 备用切割元件是具有相应的主切割元件的轨迹，并且每个备用切割元件设置在与相应的主切割元件不同的刀片上。

公开(公告)号：US10214966B2

公开(公告)日：2019-02-26

申请号：US14413902

申请日：2012-09-05

申请人： Shilin Chen ,  Guy Lefort ,  Robert W. Arfele ,  James R. Ashby

发明人： Shilin Chen ,  Guy Lefort ,  Robert W. Arfele ,  James R. Ashby

IPC分类号： E21B10/43 ,  E21B10/16 ,  E21B10/55 ,  E21B10/00 ,  G06F17/50

摘要： A multi-layer downhole drilling tool designed for drilling a wellbore including a plurality of formations is disclosed. The drilling tool includes a bit body including a rotational axis extending therethrough. A plurality of blades are disposed on exterior portions of the bit body. A plurality of primary cutting elements and a plurality of back-up cutting elements are disposed on exterior portions of the plurality of blades. The back-up cutting elements are track set with corresponding primary cutting elements, and each back-up cutting element is disposed on a different blade than the corresponding primary cutting element.

公开(公告)号：US09523242B2

公开(公告)日：2016-12-20

申请号：US13884538

申请日：2011-11-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： A method of configuring a blade of a drill bit includes determining a first desired depth of cut for a first radial swath associated with a bit face of a drill bit. The first radial swath is associated with a first area of the bit face. The method further includes identifying a first plurality of cutting elements located on the bit face. Each of the cutting elements includes at least a portion located within the first radial swath. The method additionally includes configuring a first blade surface of a blade. The first blade surface is located within the first radial swath and configured based on the first desired depth of cut for the first radial swath. The blade surface is also configured based on each portion of the first plurality of cutting elements located within the first radial swath.

摘要翻译： 配置钻头的刀片的方法包括确定与钻头的钻头面相关联的第一径向条带的第一期望切割深度。 第一径向条与钻头面的第一区域相关联。 该方法还包括识别位于钻头面上的第一多个切割元件。 每个切割元件至少包括位于第一径向条内的部分。 该方法还包括配置叶片的第一叶片表面。 第一叶片表面位于第一径向条内，并且基于用于第一径向条的第一预期切割深度来构造。 叶片表面还基于位于第一径向条内的第一多个切割元件的每个部分构造。

公开(公告)号：US08863860B2

公开(公告)日：2014-10-21

申请号：US13293788

申请日：2011-11-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B25/16 ,  E21B47/04 ,  E21B10/55 ,  E21B10/43

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： A method of configuring a depth of cut controller (DOCC) of a drill bit comprises determining a desired minimum depth of cut for a radial swath of the drill bit. The method additionally comprises identifying a cutting edge of a cutting element located on the drill bit. The cutting edge is located within the radial swath and a cutting zone of the cutting element. The method further comprises identifying cutting elements that each include at least a portion located within the radial swath. The method also comprises determining a radial position and an angular position of a depth of cut controller (DOCC) for placement on the bit face based on the cutting edge of the cutting element. The method additionally comprises determining an axial position of the DOCC based on each portion of the cutting elements located within the radial swath.

摘要翻译： 配置钻头的切割深度控制器（DOCC）的方法包括确定用于钻头的径向条带的期望的最小切割深度。 该方法还包括识别位于钻头上的切割元件的切割边缘。 切割边缘位于径向条带和切割元件的切割区域内。 该方法还包括识别切割元件，每个切割元件至少包括位于径向条纹内的部分。 该方法还包括基于切割元件的切割边缘确定用于放置在钻头面上的切割深度控制器（DOCC）的径向位置和角度位置。 该方法还包括基于位于径向条内的切割元件的每个部分确定DOCC的轴向位置。

公开(公告)号：US20130238245A1

公开(公告)日：2013-09-12

申请号：US13884523

申请日：2011-11-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B47/04

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： According to some embodiments of the present disclosure, a method of determining a critical depth of cut of a drill bit comprises selecting a radial swath associated with an area of a bit face of a drill bit. The method further comprises identifying a plurality of cutting elements disposed on the bit face that each include at least a portion located within the radial swath. The method also comprises identifying a depth of cut controller (DOCC) disposed on the bit face and configured to control a depth of cut of the portions of the plurality of cutting elements located within the radial swath. The method additionally comprises calculating a critical depth of cut associated with the radial swath and DOCC based on a depth of cut associated with each portion of the plurality of cutting elements located within the radial swath and controlled by the DOCC.

摘要翻译： 根据本公开的一些实施例，确定钻头的临界切割深度的方法包括选择与钻头的钻头面的区域相关联的径向条带。 该方法还包括识别设置在钻头面上的多个切割元件，每个切割元件至少包括位于径向条纹内的部分。 该方法还包括识别设置在钻头面上的切割控制器（DOCC）的深度并且被配置为控制位于径向条纹内的多个切割元件的部分的切割深度。 该方法还包括基于与位于径向条内并由DOCC控制的多个切割元件的每个部分相关联的切割深度计算与径向条和DOCC相关联的切割临界深度。

公开(公告)号：US20130228378A1

公开(公告)日：2013-09-05

申请号：US13884505

申请日：2011-11-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B10/43

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： In accordance with some embodiments of the present disclosure, a method of configuring a depth of cut controller (DOCC) of a drill bit comprises determining a first desired depth of cut for a first radial swath associated with a bit face of a drill bit. The first radial swath is associated with a first area of the bit face. The method further comprises identifying a first plurality of cutting elements located on the bit face that each include at least a portion located within the first radial swath. The method additionally comprises configuring a first depth of cut controller (DOCC) for placement on the bit face within the first radial swath. The first depth of cut controller is configured based on the first desired depth of cut for the first radial swath and each portion of the first plurality of cutting elements located within the first radial swath.

摘要翻译： 根据本公开的一些实施例，配置钻头的切割控制器（DOCC）的深度的方法包括确定与钻头的钻头面相关联的第一径向条纹的第一期望切割深度。 第一径向条与钻头面的第一区域相关联。 该方法还包括识别位于钻头面上的第一多个切割元件，每个切割元件至少包括位于第一径向条纹内的部分。 该方法还包括配置第一深度切割控制器（DOCC）以放置在第一径向条纹内的钻头面上。 基于用于第一径向条带的第一所需切割深度和位于第一径向条带内的第一多个切割元件的每个部分来构造第一深度切割控制器。

公开(公告)号：US09650835B2

公开(公告)日：2017-05-16

申请号：US13892016

申请日：2013-05-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： According to some embodiments of the present disclosure, a method of determining a critical depth of cut of a drill bit comprises selecting a radial swath associated with an area of a bit face of a drill bit. The method further comprises identifying a plurality of cutting elements disposed on the bit face that each include at least a portion located within the radial swath. The method also comprises identifying a depth of cut controller (DOCC) disposed on the bit face and configured to control a depth of cut of the portions of the plurality of cutting elements located within the radial swath. The method additionally comprises calculating a critical depth of cut associated with the radial swath and DOCC based on a depth of cut associated with each portion of the plurality of cutting elements located within the radial swath and controlled by the DOCC.

公开(公告)号：US09540882B2

公开(公告)日：2017-01-10

申请号：US13884523

申请日：2011-11-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B47/04 ,  E21B10/43 ,  E21B10/55

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： According to some embodiments of the present disclosure, a method of determining a critical depth of cut of a drill bit comprises selecting a radial swath associated with an area of a bit face of a drill bit. The method further comprises identifying a plurality of cutting elements disposed on the bit face that each include at least a portion located within the radial swath. The method also comprises identifying a depth of cut controller (DOCC) disposed on the bit face and configured to control a depth of cut of the portions of the plurality of cutting elements located within the radial swath. The method additionally comprises calculating a critical depth of cut associated with the radial swath and DOCC based on a depth of cut associated with each portion of the plurality of cutting elements located within the radial swath and controlled by the DOCC.

摘要翻译： 根据本公开的一些实施例，确定钻头的临界切割深度的方法包括选择与钻头的钻头面的区域相关联的径向条带。 该方法还包括识别设置在钻头面上的多个切割元件，每个切割元件至少包括位于径向条纹内的部分。 该方法还包括识别设置在钻头面上的切割控制器（DOCC）的深度并且被配置为控制位于径向条纹内的多个切割元件的部分的切割深度。 该方法还包括基于与位于径向条内并由DOCC控制的多个切割元件的每个部分相关联的切割深度计算与径向条和DOCC相关联的切割临界深度。

公开(公告)号：US09506294B2

公开(公告)日：2016-11-29

申请号：US13884505

申请日：2011-11-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： A method of configuring a depth of cut controller (DOCC) of a drill bit includes determining a first desired depth of cut for a first radial swath associated with a bit face of a drill bit. The first radial swath is associated with a first area of the bit face. The method further includes identifying a first plurality of cutting elements located on the bit face that each include at least a portion located within the first radial swath. The method additionally includes configuring a first depth of cut controller (DOCC) for placement on the bit face within the first radial swath. The first depth of cut controller is configured based on the first desired depth of cut for the first radial swath and each portion of the first plurality of cutting elements located within the first radial swath.

摘要翻译： 配置钻头的切割深度控制器（DOCC）的方法包括确定与钻头的钻头面相关联的第一径向条带的第一期望切割深度。 第一径向条与钻头面的第一区域相关联。 该方法还包括识别位于钻头面上的第一多个切割元件，每个切割元件至少包括位于第一径向条纹内的部分。 该方法另外包括配置第一深度切割控制器（DOCC）以放置在第一径向条纹内的钻头面上。 基于用于第一径向条带的第一所需切割深度和位于第一径向条带内的第一多个切割元件的每个部分来构造第一深度切割控制器。

公开(公告)号：US20130233621A1

公开(公告)日：2013-09-12

申请号：US13884538

申请日：2011-11-10

申请人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

发明人： Shilin Chen ,  James R. Ashby ,  Robert W. Arfele

IPC分类号： E21B10/43

CPC分类号： E21B10/43 ,  E21B10/55 ,  E21B47/04

摘要： According to some embodiments of the present disclosure, a method of configuring a blade of a drill bit comprises determining a first desired depth of cut for a first radial swath associated with a bit face of a drill bit. The first radial swath is associated with a first area of the bit face. The method further comprises identifying a first plurality of cutting elements located on the bit face. Each of the cutting elements includes at least a portion located within the first radial swath. The method additionally comprises configuring a first blade surface of a blade. The first blade surface is located within the first radial swath and configured based on the first desired depth of cut for the first radial swath. The blade surface is also configured based on each portion of the first plurality of cutting elements located within the first radial swath.

摘要翻译： 根据本公开的一些实施例，配置钻头的刀片的方法包括确定与钻头的钻头面相关联的第一径向条带的第一期望切削深度。 第一径向条与钻头面的第一区域相关联。 该方法还包括识别位于钻头面上的第一多个切割元件。 每个切割元件至少包括位于第一径向条内的部分。 该方法还包括配置叶片的第一叶片表面。 第一叶片表面位于第一径向条内，并且基于用于第一径向条的第一预期切割深度来构造。 叶片表面还基于位于第一径向条内的第一多个切割元件的每个部分构造。