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    Apparatus and method for forming a pilot hole in a formation
    1.
    发明授权
    Apparatus and method for forming a pilot hole in a formation 有权
    在地层中形成导向孔的装置和方法

    公开(公告)号：US06715567B2

    公开(公告)日：2004-04-06

    申请号：US10037529

    申请日：2002-01-04

    申请人： Steve R. Delgado ,  Ken W. Winterrowd ,  Shane P. Hart

    发明人： Steve R. Delgado ,  Ken W. Winterrowd ,  Shane P. Hart

    IPC分类号： E21B708

    CPC分类号： E21B41/0035 ,  E21B7/061

    摘要： The present invention generally provides an apparatus and method for forming a pilot hole in a formation. In one aspect of the present invention, the apparatus may comprise a starter mill connected to a bearing mill by a body joint. The apparatus may further comprise a lead bearing connected to a starter mill by a lead joint. Preferably, an outer diameter of the bearing mill is about the same as an inner diameter of a wellbore. As the lead bearing travels along the concave, the apparatus will bend between the bearing mill and the lead bearing. The bend urges the starter mill into contact with the wellbore wall. In another aspect of the present invention, a method for forming a pilot hole in a wellbore includes running a tool into the wellbore, the tool comprising a starter mill disposed between a first bearing and a second bearing. While running the tool along a concave of a whipstock, the tool bends between the first and second bearing and urges the starter mill to form the pilot hole.

    摘要翻译： 本发明总体上提供了一种用于在地层中形成导向孔的装置和方法。 在本发明的一个方面，该装置可以包括通过身体关节连接到轴承磨机的起动机。 该装置还可以包括通过引线接头连接到起动机的引线轴承。 优选地，轴承磨机的外径与井筒的内径大致相同。 当导向轴承沿着凹陷行进时，该装置将在轴承磨机和导向轴承之间弯曲。 弯头促使起动机与​​井筒壁接触。 在本发明的另一方面，一种用于在井眼中形成引导孔的方法包括将工具运送到井筒中，该工具包括设置在第一轴承和第二轴承之间的起动机。 沿着造斜器的凹部运行工具时，工具在第一和第二轴承之间弯曲，并且促使起动机磨机形成导向孔。

    Wellbore milling and drilling
    2.
    发明授权
    Wellbore milling and drilling 失效
    井眼铣削和钻孔

    公开(公告)号：US5887655A

    公开(公告)日：1999-03-30

    申请号：US790543

    申请日：1997-01-30

    申请人： David M. Haugen ,  William A. Blizzard, Jr. ,  Mark W. Schnitker ,  Steve R. Delgado ,  Thurman B. Carter ,  John D. Roberts ,  Joseph D. Mills ,  Frederick T. Tilton ,  Paul J. Johantges ,  Charles W. Pleasants

    发明人： David M. Haugen ,  William A. Blizzard, Jr. ,  Mark W. Schnitker ,  Steve R. Delgado ,  Thurman B. Carter ,  John D. Roberts ,  Joseph D. Mills ,  Frederick T. Tilton ,  Paul J. Johantges ,  Charles W. Pleasants

    IPC分类号： E21B7/06 ,  E21B7/08 ,  E21B10/46 ,  E21B10/50 ,  E21B10/60 ,  E21B12/04 ,  E21B23/00 ,  E21B23/01 ,  E21B23/02 ,  E21B29/06 ,  E21B49/06 ,  E21B29/00

    CPC分类号： E21B17/1092 ,  E21B10/46 ,  E21B10/50 ,  E21B10/60 ,  E21B12/04 ,  E21B23/00 ,  E21B23/01 ,  E21B23/02 ,  E21B29/06 ,  E21B49/06 ,  E21B7/061

    摘要： Wellbore operations (e.g. for milling and/or drilling) are disclosed which require a reduced number of tool trips into a wellbore to create a cut-out pocket, opening, or window in a tubular such as casing in the wellbore; and, in some aspects, to continue into a formation adjacent a main wellbore forming a lateral wellbore in communication with the main wellbore. Preferably one trip is required to complete a window or a window and the lateral wellbore. In one aspect a full gauge tool body is used so that the completed lateral wellbore is of a substantially uniform diameter along its entire length, which, in one aspect is suitable for the passage therethrough of full gauge tools, pipe, devices, and apparatuses. In one aspect a cutting system has cutting apparatus initially covered with a wearable away material which is worn away by contacting a tubular to be milled, exposing the cutting apparatus for milling and/or for drilling formation adjacent the wellbore. In certain aspects the lateral wellbore is: about one foot long; two feet long or less; five feet long or less; between five feet and fifty feet long; one hundred feet long or less; between about one hundred and about two hundred feet long; or two hundred or more feet long. In one aspect mill-drill tools are disclosed that both mill tubulars and drill formation.

    摘要翻译： 公开了井筒操作（例如用于铣削和/或钻孔），其需要减少进入井眼的工具数量，以在诸如井筒中的诸如套管的管状物中产生切口袋，开口或窗口; 并且在一些方面，继续形成与主井眼相邻的形成与主井眼相连通的侧井筒的地层。 优选地，需要一次行程来完成窗户或窗户和侧井筒。 在一个方面，使用全量规工具主体，使得完整的侧面井眼沿其整个长度具有基本均匀的直径，在一个方面，其适用于全量规工具，管道，装置和装置的通过。 在一个方面，切割系统具有最初用可磨损材料覆盖的切割装置，所述材料通过接触待研磨的管状物而被磨损，暴露所述切割装置用于在井眼附近进行研磨和/或钻孔成形。 在某些方面，侧井眼是：约一英尺长; 两英尺长或以下; 五英尺长或以下; 五英尺五十英尺之间; 一百英尺长或以下; 长约一百到二百呎之间; 或两百多英尺长。 在一个方面，公开了一种铣刀钻具，其既是铣管和钻孔成形。

    Hydraulically triggered anchor
    3.
    发明授权
    Hydraulically triggered anchor 有权
    液压触发锚

    公开(公告)号：US09140083B2

    公开(公告)日：2015-09-22

    申请号：US13528178

    申请日：2012-06-20

    申请人： Steve R. Delgado ,  Ruben Sanchez

    发明人： Steve R. Delgado ,  Ruben Sanchez

    IPC分类号： E21B23/01 ,  E21B29/06 ,  E21B7/06

    CPC分类号： E21B23/01 ,  E21B7/061 ,  E21B29/06

    摘要： An anchor device is utilized to locate the whipstock both longitudinally and rotationally in order to properly orient the whipstock prior to beginning the sidetrack operation. In order to hydraulically set the slips a hydraulically actuated piston in a hydraulic cylinder is pressurized to overcome a restraint such as a shear pin thereby releasing a spring that drives a second piston to force the slips radially outwards thereby setting the anchor. In certain instances the anchor may also be set down on a rod that is also attached to the hydraulic piston. By setting down on the rod the shear pin is also overcome which also releases the spring.

    摘要翻译： 使用锚定装置来纵向和旋转地定位造斜器，以便在开始侧钻操作之前正确定向造斜器。 为了液压地设置滑动件，液压缸中的液压致动活塞被加压以克服诸如剪切销的约束，从而释放驱动第二活塞的弹簧以迫使滑动件径向向外，从而设置锚固件。 在某些情况下，锚固件也可以放置在也连接到液压活塞的杆上。 通过在杆上放下，还克服了也释放弹簧的剪切销。

    Retrievable pre-milled window with deflector
    4.
    发明授权
    Retrievable pre-milled window with deflector 有权
    可回收的带有偏转器的预铣窗

    公开(公告)号：US06923274B2

    公开(公告)日：2005-08-02

    申请号：US10335979

    申请日：2003-01-02

    申请人： Ken Dale Rodgers ,  Mark C. Glaser ,  Doug Durst ,  Mike Johnson ,  Steve R. Delgado ,  Mark Ryan

    发明人： Ken Dale Rodgers ,  Mark C. Glaser ,  Doug Durst ,  Mike Johnson ,  Steve R. Delgado ,  Mark Ryan

    IPC分类号： E21B7/06 ,  E21B7/08 ,  E21B41/00

    CPC分类号： E21B41/0035 ,  E21B7/061

    摘要： An apparatus for drilling one or more holes at an angle to a wellbore. The apparatus includes a tubular housing defining one or more openings. Each opening is configured to provide an exit through which a drilling assembly drills to form a hole at an angle to the wellbore. The apparatus further includes one or more deflectors. Each deflector defines a surface for guiding the drilling assembly through an opening, and each deflector is positioned inside the tubular housing such that the surface is facing the opening. The apparatus further includes an anchor having a bottom portion attached to a top portion of the tubular housing and having a top portion configured to be removably fixed to a conveyance tubular.

    摘要翻译： 一种用于与井筒一角度钻一个或多个孔的装置。 该装置包括限定一个或多个开口的管状壳体。 每个开口被构造成提供出口，钻孔组件通过该出口钻出以与井眼成一角度的孔。 该装置还包括一个或多个偏转器。 每个偏转器限定用于引导钻孔组件通过开口的表面，并且每个偏转器定位在管状壳体内部，使得该表面面向开口。 该装置还包括锚固件，该锚固件具有附接到管状壳体的顶部的底部部分，并且具有构造成可移除地固定到输送管状物的顶部部分。

    Wellbore sidetracking methods
    5.
    发明授权
    Wellbore sidetracking methods 失效
    井筒侧钻方法

    公开(公告)号：US5584350A

    公开(公告)日：1996-12-17

    申请号：US532180

    申请日：1995-09-22

    申请人： Mark W. Schnitker ,  Shane P. Hart ,  Steve R. Delgado

    发明人： Mark W. Schnitker ,  Shane P. Hart ,  Steve R. Delgado

    IPC分类号： E21B7/06 ,  E21B29/00 ,  E21B29/06

    CPC分类号： E21B29/005 ,  E21B29/06 ,  E21B7/061

    摘要： A wellbore sidetracking method has been invented which includes, in certain embodiments, milling out a casing section from a cased, cemented wellbore; placing a deflection device, e.g. a whipstock, so that, upon pivoting of the upper concave portion of the whipstock at least a top portion thereof extends up into and abuts casing above the milled out section and, in certain aspects, a portion of the whipstock also extends down into and abuts casing below the milled out section; introducing a mill into the wellbore to mill out a part of the casing above the milled out section which would interfere with the introduction of a drill bit; removing the mill; introducing a drilling system into the wellbore to be deflected into the milled out area; and drilling a new sidetracked bore with the drilling system from the milled out area. In one aspect a mill is provided which mills out the part of the casing above the milled out area without contacting the formation or with only minimal contact thereof.

    摘要翻译： 已经发明了一种井筒侧钻方法，其在某些实施例中包括从套管的胶结井筒铣出套管部分; 放置偏转装置，例如 造斜器，使得在造斜器的至少一个顶部部分的上部凹入部分的枢轴转动之后，它向上延伸到铣削出的部分上方并与其邻接，并且在某些方面，造斜器的一部分也向下延伸并抵接 套管低于铣削段; 将磨机引入井筒中以磨碎铣削部分上方的一部分，这将妨碍引入钻头; 去除磨机 将钻井系统引入井眼以被偏转到铣出的区域中; 并从铣削区域钻出钻井系统的新的侧向钻孔。 在一个方面，提供了一种磨机，其在碾磨区域上方铣出壳体的一部分，而不接触地层或仅与其接触最小。

    Hydraulically Triggered Anchor
    6.
    发明申请
    Hydraulically Triggered Anchor 有权
    液压触发锚

    公开(公告)号：US20130341048A1

    公开(公告)日：2013-12-26

    申请号：US13528178

    申请日：2012-06-20

    申请人： Steve R. Delgado ,  Ruben Sanchez

    发明人： Steve R. Delgado ,  Ruben Sanchez

    IPC分类号： E21B23/00 ,  E21B19/10

    CPC分类号： E21B23/01 ,  E21B7/061 ,  E21B29/06

    摘要： An anchor device is utilized to locate the whipstock both longitudinally and rotationally in order to properly orient the whipstock prior to beginning the sidetrack operation. The present embodiment may be used to either mechanically or hydraulically trigger an anchor device.

    摘要翻译： 使用锚定装置来纵向和旋转地定位造斜器，以便在开始侧钻操作之前正确定向造斜器。 本实施例可以用于机械地或液压地触发锚装置。

    Pressure compensator for drill bit lubrication system
    8.
    发明授权
    Pressure compensator for drill bit lubrication system 失效
    钻头润滑系统压力补偿器

    公开(公告)号：US5072795A

    公开(公告)日：1991-12-17

    申请号：US643486

    申请日：1991-01-22

    申请人： Steve R. Delgado ,  Robert J. Kotch ,  Frank Hall

    发明人： Steve R. Delgado ,  Robert J. Kotch ,  Frank Hall

    IPC分类号： E21B10/24

    CPC分类号： E21B10/24

    摘要： A fluid pressure compensator for a lubrication system in a rotary drill bit includes a diaphragm (44) with an enlarged thickness central portion (62) having a generally hemispherically shaped deformation (72) at its center to form a minimal thickness thereat progressively increasing to the enlarged thickness. A self sealing puncture (74) is provided at the center of the diaphragm (44) to relieve excess pressure differentials in the lubrication system internally of the drill bit and excess pressure differentials in the drilling fluid externally of the drill bit. The diaphragm (44) has an enlarged protuberance (64) about its outer periphery which is secured in sealing relation within a groove formed by sealing surfaces (66, 68, 70) on a leg (10) of the rotary bit and associated securing cap (46). A protective cup (42) supports the diaphragm (44) in an extended position and has dimples (58) for supporting the diaphragm (46) on the bottom (40) of the lubricant reservoir (49).

    摘要翻译： 用于旋转钻头中的润滑系统的流体压力补偿器包括具有扩大的厚度中心部分（62）的隔膜（44），该中心部分在其中心处具有大致半球形变形（72），以形成最小厚度，其逐渐增加到 扩大厚度。 在隔膜（44）的中心处设置自密封穿刺（74），以减轻钻头内部的润滑系统中的过大的压力差和钻头外部的钻井液中的过大的压力差。 隔膜（44）围绕其外围具有一个扩大的突起（64），该突起（64）以密封关系固定在由旋转钻头的支脚（10）上的密封表面（66,68,70）形成的凹槽中，并且相关联的固定盖 （46）。 保护杯（42）将隔膜（44）支撑在延伸位置，并且具有用于将振动膜（46）支撑在润滑剂贮存器（49）的底部（40）上的凹坑（58）。

    Deflector-arm protector
    9.
    发明授权
    Deflector-arm protector 失效
    防偏转臂保护器

    公开(公告)号：US6094743A

    公开(公告)日：2000-08-01

    申请号：US42383

    申请日：1998-03-13

    申请人： Steve R. Delgado

    发明人： Steve R. Delgado

    IPC分类号： A41D13/08

    CPC分类号： A41D13/08

    摘要： Deflector - Arm Protector provides protection to athletes participating in sports such as but not limited to baseball or softball. This arm protector wraps around the entire arm from the hand to the shoulder and is secured by velcro straps. This concept can be adapted to protect any vulnerable portion of the human body. It is comprised of padded material covered by a flexible plastic insert with varying geometric profiles fitted within a sleeve of elastic cloth type material of varying shapes depended on the required protective coverage for the arm. The impact force on the athlete's arm is greatly reduced due to the design profile (insert/pad assembly) load distribution, thus making it less painful when hit by the pitched baseball or softball.

    摘要翻译： 扶手 - 扶手为参加运动的运动员提供保护，例如但不限于棒球或垒球。 这个胳膊保护者从手到肩膀包裹整个手臂，并被魔术贴带固定。 这个概念可以适应于保护人体的任何脆弱部分。 它由填充材料所覆盖，弹性塑料插入物由不同形状的不同形状的弹性布类型的材料组成，具有不同形状的弹性塑料插入物，这取决于臂的所需保护范围。 运动员的手臂上的冲击力由于设计轮廓（插入/垫组件）的负载分布而大大降低，因此在被棒球或垒球击中时不会那么痛苦。