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公开(公告)号:US20130277112A1
公开(公告)日:2013-10-24
申请号:US13649397
申请日:2012-10-11
Applicant: Shell Oil Company
Inventor: David Alston EDBURY , Jose Victor GUERRERO , Duncan Charles MACDONALD , James Bryon ROGERS , Donald Ray SITTON
IPC: E21B44/06
CPC classification number: E21B21/08 , E21B7/06 , E21B21/01 , E21B37/00 , E21B44/00 , E21B44/02 , E21B44/06 , E21B47/00 , E21B47/0003 , E21B49/005
Abstract: A method of automatically picking up a drill bit off the bottom of an opening in a subsurface formation, comprises a) setting a predetermined level of differential pressure across a mud motor at which pickup of the drill bit is to be initiated; b) monitoring the differential pressure across the mud motor; c) allowing differential pressure across the mud motor to decrease to the predetermined level; and d) when the predetermined level is reached, automatically picking up the drill bit.
Abstract translation: 一种自动将钻头从地下地层开口的底部拾取的方法包括:a)在泥浆马达上设置一预定水平的压差,在该马达上将开始钻头的拾取; b)监测泥浆马达的差压; c)允许泥浆马达两端的压差降低到预定水平; 和d)当达到预定水平时,自动拾起钻头。
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公开(公告)号:US20130032401A1
公开(公告)日:2013-02-07
申请号:US13649482
申请日:2012-10-11
Applicant: Shell Oil Company
Inventor: David Alston EDBURY , Jose Victor GUERRERO , Duncan Charles MACDONALD , James Bryon ROGERS , Donald Ray SITTON
CPC classification number: E21B21/08 , E21B7/06 , E21B21/01 , E21B37/00 , E21B44/00 , E21B44/02 , E21B44/06 , E21B47/00 , E21B47/0003 , E21B49/005
Abstract: A method of steering a drill bit to form an opening in a subsurface formation, comprises a) determining a distance from design of a well, and b) determining an angle offset from design of the well wherein angle offset from design is the difference between the inclination and azimuth of the hole and the inclination and azimuth of plan, c) wherein at least one distance from design and at least one angle offset from design are determined in real time based, at least in part, on a position of the hole at the last survey, a position at a projected current location of the bit, and a projected position of the bit.
Abstract translation: 一种用于转向钻头以形成地下地层中的开口的方法,包括:a)确定与井的设计的距离,以及b)确定与井的设计的角度偏移,其中与设计的角度偏移是 孔的倾斜度和方位角以及平面图的倾斜度和方位角,c)其中至少部分地基于孔的位置实时地确定距设计和与设计偏移的至少一个角度的至少一个距离 最后一次调查,该位的预计当前位置处的位置以及该位的投影位置。
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公开(公告)号:US20170260822A1
公开(公告)日:2017-09-14
申请号:US15604157
申请日:2017-05-24
Applicant: SHELL OIL COMPANY
Inventor: David Alston EDBURY , Jose Victor GUERRERO , Duncan Charles MACDONALD , James Bryon ROGERS , Donald Ray SITTON , Jason B. NORMAN
CPC classification number: E21B21/08 , E21B7/06 , E21B21/01 , E21B37/00 , E21B44/00 , E21B44/02 , E21B44/06 , E21B47/00 , E21B47/0003 , E21B49/005
Abstract: A method of controlling a direction of drilling of the drill string used to form an opening in a subsurface formation, comprises varying a speed of the drill string during rotational drilling such that the drill string is at a first speed during a first portion of the rotational cycle and at a second speed during a second portion of the rotational cycle wherein the first speed is higher than the second speed, and wherein operating at the second speed in the second portion of the rotational cycle causes the drill string to change the direction of drilling.
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公开(公告)号:US20150096806A1
公开(公告)日:2015-04-09
申请号:US14458922
申请日:2014-08-13
Applicant: Shell Oil Company
Inventor: Ernesto Rafael FONSECA OCAMPOS , Duncan Charles MACDONALD , Francisco Jose CHACIN , Anastasia DOBROSKOK , Yinghui LIU , Benjamin MOWAD , Mark William DYKSTRA
CPC classification number: E21B43/25 , E21B4/04 , E21B4/16 , E21B7/00 , E21B7/001 , E21B7/28 , E21B11/06 , E21B43/305
Abstract: A system and method are provided for providing access to surfaces within a formation is provided, the method including: providing a wellbore from a first surface location to a second surface location; inserting into the wellbore a cylindrical cutting assembly connected to at least two wellbore tubulars, one of the wellbore tubular extending to each of the first surface location and the second surface location; and rotating the radial cylindrical cutting element.
Abstract translation: 提供了一种提供用于提供对地层内的表面的通路的系统和方法,所述方法包括:将井眼从第一表面位置提供到第二表面位置; 将连接到至少两个井眼管的圆柱形切割组件插入井筒中,井眼管中的一个延伸到第一表面位置和第二表面位置中的每一个; 并旋转径向圆柱形切割元件。
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公开(公告)号:US20130277111A1
公开(公告)日:2013-10-24
申请号:US13649374
申请日:2012-10-11
Applicant: Shell Oil Company
Inventor: David Alston EDBURY , Jose Victor GUERRERO , Duncan Charles MACDONALD , James Bryon ROGERS , Donald Ray SITTON
IPC: E21B44/02
CPC classification number: E21B21/08 , E21B7/06 , E21B21/01 , E21B37/00 , E21B44/00 , E21B44/02 , E21B44/06 , E21B47/00 , E21B47/0003 , E21B49/005
Abstract: A method of automatically placing a drill bit used to form an opening in a subsurface formation on a bottom of the opening being formed comprises a) increasing a flow rate in a drill string to a target flow; b) controlling a flow rate of fluid into the drill string to be substantially the same as a flowrate of fluid out of the opening; c) allowing a fluid pressure to reach a relatively steady state; and d) automatically moving the drill bit toward the bottom of the opening at a selected rate of advance until an increase in measured differential pressure indicates that the drill bit is at the bottom of the opening.
Abstract translation: 自动放置用于在正在形成的开口底部的地下地层中形成开口的钻头的方法包括:a)将钻柱中的流量增加到目标流量; b)控制进入钻柱的流体的流速基本上与流体离开开口的流速相同; c)允许流体压力达到相对稳定的状态; 以及d)以选定的提前速率自动地将钻头移动到开口的底部,直到测得的压差的增加表明钻头处于开口的底部。
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公开(公告)号:US20160230523A9
公开(公告)日:2016-08-11
申请号:US14458922
申请日:2014-08-13
Applicant: Shell Oil Company
Inventor: Ernesto Rafael FONSECA OCAMPOS , Duncan Charles MACDONALD , Francisco Jose CHACIN , Anastasia DOBROSKOK , Yinghui LIU , Benjamin MOWAD , Mark William DYKSTRA
CPC classification number: E21B43/25 , E21B4/04 , E21B4/16 , E21B7/00 , E21B7/001 , E21B7/28 , E21B11/06 , E21B43/305
Abstract: A system and method are provided for providing access to surfaces within a formation is provided, the method including: providing a wellbore from a first surface location to a second surface location; inserting into the wellbore a cylindrical cutting assembly connected to at least two wellbore tubulars, one of the wellbore tubular extending to each of the first surface location and the second surface location; and rotating the radial cylindrical cutting element.
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公开(公告)号:US20140041941A1
公开(公告)日:2014-02-13
申请号:US13960315
申请日:2013-08-06
Applicant: Shell Oil Company
Inventor: David Alston EDBURY , Jose Victor GUERRERO , Duncan Charles MACDONALD , James Bryon ROGERS , Donald Ray SITTON , Jason NORMAN
CPC classification number: E21B21/08 , E21B7/06 , E21B21/01 , E21B37/00 , E21B44/00 , E21B44/02 , E21B44/06 , E21B47/00 , E21B47/0003 , E21B49/005
Abstract: A method of assessing hole cleaning effectiveness of drilling comprises a) determining a mass of cuttings removed from a well wherein determining the mass of cuttings removed from a well comprises: i) measuring a total mass of fluid entering a well; ii) measuring a total mass of fluid exiting the well; and iii) determining a difference between the total mass of fluid exiting the well and total mass of fluid entering the well; b) determining a mass of rock excavated in the well; and c) determining a mass of cuttings remaining in the well wherein determining the mass of cuttings remaining in the well comprises: determining a difference between the determined mass of rock excavated in the well and the determined mass of cuttings removed from the well.
Abstract translation: 评估钻孔清洁效果的方法包括:a)确定从井中移除的切屑的质量,其中确定从井中移出的切屑的质量包括:i)测量进入井的流体的总质量; ii)测量离开井的流体的总质量; 以及iii)确定离开井的流体的总质量和进入井的流体的总质量之间的差; b)确定井中挖出的岩石质量; 以及c)确定在井中残留的切屑的质量,其中确定井中残留的切屑的质量包括:确定所确定的在井中挖掘的岩石质量与从井中移除的确定的切屑质量之间的差。
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公开(公告)号:US20130270005A1
公开(公告)日:2013-10-17
申请号:US13649462
申请日:2012-10-11
Applicant: Shell Oil Company
Inventor: David Alston EDBURY , Jose Victor GUERRERO , Duncan Charles MACDONALD , James Bryon ROGERS , Donald Ray SITTON
IPC: E21B7/06
CPC classification number: E21B21/08 , E21B7/06 , E21B21/01 , E21B37/00 , E21B44/00 , E21B44/02 , E21B44/06 , E21B47/00 , E21B47/0003 , E21B49/005
Abstract: A method of controlling a direction of drilling of the drill string used to form an opening in a subsurface formation, comprises varying a speed of the drill string during rotational drilling such that the drill string is at a first speed during a first portion of the rotational cycle and at a second speed during a second portion of the rotational cycle wherein the first speed is higher than the second speed, and wherein operating at the second speed in the second portion of the rotational cycle causes the drill string to change the direction of drilling.
Abstract translation: 控制用于在地下地层中形成开口的钻柱的钻孔方向的方法包括在旋转钻孔期间改变钻柱的速度,使得在旋转的第一部分期间钻柱处于第一速度 在旋转周期的第二部分期间以第二速度循环,其中第一速度高于第二速度,并且其中在旋转周期的第二部分中以第二速度操作导致钻柱改变钻孔方向 。
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公开(公告)号:US20130032407A1
公开(公告)日:2013-02-07
申请号:US13649434
申请日:2012-10-11
Applicant: Shell Oil Company
Inventor: David Alston EDBURY , Jose Victor GUERRERO , Duncan Charles MACDONALD , James Bryon ROGERS , Donald Ray SITTON
IPC: E21B7/10
CPC classification number: E21B21/08 , E21B7/06 , E21B21/01 , E21B37/00 , E21B44/00 , E21B44/02 , E21B44/06 , E21B47/00 , E21B47/0003 , E21B49/005
Abstract: A method of controlling a direction of a toolface of a bottom hole assembly for slide drilling, comprises a) synchronizing the toolface wherein synchronizing the toolface comprises determining a relationship between the rotational position of the down hole toolface with a rotational position at the surface of the formation for at least one point in time, b) stopping rotation of the drill string coupled to the bottom hole assembly, c) controlling torque at the surface of the drill string to control a rotational position of the toolface, and d) commencing a slide of the drill string.
Abstract translation: 一种控制用于滑动钻孔的底孔组件的工具面的方向的方法包括:a)使所述工具面同步,其中使所述工具面同步包括确定所述井下工具面的旋转位置与所述工具面的表面处的旋转位置之间的关系 形成至少一个时间点,b)停止连接到底孔组件的钻柱的旋转,c)控制在钻柱的表面处的扭矩以控制工具面的旋转位置,以及d)开始滑动 的钻柱。
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