公开(公告)号：US06745853B2

公开(公告)日：2004-06-08

申请号：US10265028

申请日：2002-10-04

申请人： Katherine M. Turner ,  Carey John Naquin

发明人： Katherine M. Turner ,  Carey John Naquin

IPC分类号： E21B712

CPC分类号： E21B7/28 ,  E21B7/122 ,  E21B17/01 ,  E21B19/24 ,  E21B41/0007

摘要： Methods and apparatus are disclosed for the open hole drilling of a borehole from an offshore platform and through a cased borehole at the seafloor. The drilling assembly includes a guide assembly extending from the platform to the seafloor and having a lower end extending into the cased borehole; and a bottomhole assembly disposed on a lightweight drill string extending through the guide assembly for drilling the borehole. The guide assembly is a pipe string and preferably includes a casing and a riser attached to the casing. The lightweight drill string may be a jointed pipe, a metal coiled tubing, or preferably a composite coiled tubing. The bottomhole assembly includes a formation displacement member adapted to drill a borehole having a diameter greater than the diameter of the guide assembly. The drilling assembly uses a drilling fluid that flows through the drill string and the bottomhole assembly, through a fluid passageway around the bottomhole assembly, and between said lower end and the cased borehole into the sea.

摘要翻译： 公开了用于从海上平台和通过海底的套管井眼开孔钻孔的方法和装置。 钻井组件包括从平台延伸到海底并具有延伸到套管钻孔中的下端的引导组件; 以及设置在穿过引导组件的轻型钻柱上的井底组件，用于钻孔。 引导组件是管柱，并且优选地包括附接到壳体的壳体和立管。 轻质钻柱可以是连接管，金属卷管，或者优选地是复合连续油管。 井底组件包括适于钻孔直径大于导向组件直径的钻孔的地层位移构件。 钻井组件使用穿过钻柱和井底组件的钻井流体，通过围绕井底组件的流体通道，以及在所述下端和套管井眼之间进入海洋。

公开(公告)号：US06173781B1

公开(公告)日：2001-01-16

申请号：US09181465

申请日：1998-10-28

申请人： Ranald Milne ,  Otto Tennoy

发明人： Ranald Milne ,  Otto Tennoy

IPC分类号： E21B712

CPC分类号： E21B17/085 ,  E21B19/006

摘要： A pressurized slip joint for a marine intervention riser decouples the flowhead assembly in the moon pool of a vessel from the riser string, enabling safe changeover of equipment during workover operations. One part of the slip joint assembly is coupled to the flowhead assembly through a flexible joint assembly. A second part of the slip joint assembly supports the riser string and is coupled to the tensioning mechanism. The first part may be inserted into the second part and locked in place during workover operations except when equipment changeover is taking place. When changeover is being carried out, the first and second parts are unlocked, so that the flowhead assembly does not move relative to the vessel. In the locked position, a metal-to-metal high pressure seal, with a secondary and tertiary seal controls the pressure in the riser. In the unlocked position, a hydraulically operated dynamic low pressure seal is used.

摘要翻译： 用于海洋介入立管的加压滑动接头将容器的月球中的流动头组件与提升管线分离，使得在修井操作期间能够安全地切换设备。 滑动接头组件的一部分通过柔性接头组件联接到流动头组件。 滑动接头组件的第二部分支撑提升管柱并联接到张紧机构。 除了进行设备切换之外，第一部分可以插入第二部分并在修井操作期间锁定到位。 当进行切换时，第一和第二部分被解锁，使得流动头组件不相对于容器移动。 在锁定位置，具有二次和三次密封的金属对金属高压密封件控制提升管中的压力。 在解锁位置，使用液压操作的动态低压密封。

公开(公告)号：US06527054B1

公开(公告)日：2003-03-04

申请号：US09661734

申请日：2000-09-14

申请人： Roger W. Fincher ,  Peter Fontana

发明人： Roger W. Fincher ,  Peter Fontana

IPC分类号： E21B712

CPC分类号： E21B21/066 ,  E21B21/001 ,  Y10T137/794

摘要： This invention provides apparatus and methods for controlling the particle size of the solid mass present in the circulating drilling fluid returning from an underwater wellhead during the drilling of a subsea wellbore. The system may include a separator at the sea floor adjacent the wellhead, which separates solids above a predetermined size from the wellstream. The wellstream then enters one or more underwater pumps, which pump the wellstream to the surface. A crusher, as a separate unit, integrated in the separator or in the pump, receives the separated solids and reduces them to relatively small-sized particles. The small particles are then pumped or moved to the surface by the pumps utilized for pumping the wellstream to the surface or by a separate underwater pump. Alternatively, the separated solids are collected from the separator into a container, which container is then transported to the surface by a suitable method. Solids reaching the surface are removed to obtain filtered fluid, which after conditioning by conventional methods is pumped back into the wellbore as the drilling fluid.

摘要翻译： 本发明提供了用于控制在海底钻井期间从水下井口返回的循环钻井液中存在的固体物质的粒度的装置和方法。 该系统可以包括在靠近井口的海底处的分离器，其将固体高于预定尺寸与井流分离。 然后，流入一个或多个水下泵，其将井流泵送到地面。 作为分离单元的破碎机集成在分离器或泵中，接收分离的固体并将其减小到相对小尺寸的颗粒。 然后通过用于将井流泵送到表面的泵或通过单独的水下泵将小颗粒泵送或移动到表面。 或者，将分离的固体从分离器收集到容器中，然后通过合适的方法将容器运送到表面。 去除表面的固体被去除以获得过滤的流体，其在通过常规方法调节之后作为钻井液被泵回到井筒中。

公开(公告)号：US06408948B1

公开(公告)日：2002-06-25

申请号：US09353696

申请日：1999-07-14

申请人： Peter Fontana ,  James W. Macfarlane ,  Roger W. Fincher

发明人： Peter Fontana ,  James W. Macfarlane ,  Roger W. Fincher

IPC分类号： E21B712

CPC分类号： E21B19/09 ,  B63B21/502 ,  E21B7/002 ,  E21B7/128 ,  E21B7/28 ,  E21B17/206 ,  E21B19/002 ,  E21B19/22 ,  E21B21/001 ,  E21B21/08 ,  E21B33/076 ,  E21B43/121 ,  E21B43/122

摘要： A tubing handling for subsea oilfield tubing operations, includes an isolation tube to mechanically and/or chemically protect the drill string and improved passage of the drill string and fluid return line to the drilling vessel that further protects them during drilling use. In addition, the improvements include an automatic safety apparatus to hold against unintended movement of the tubular members under extreme length and weight conditions as well as against human error at the rig. Further, the invention includes multi-segment coiled tubing drill strings that can be adapted to drilling requirements in a deep wellbore.

摘要翻译： 用于海底油田管道操作的管道处理包括隔离管，用于机械和/或化学地保护钻柱，并且改善钻柱和流体返回管线到达钻井容器的通道，以在钻井使用期间进一步保护它们。 此外，改进包括一种自动安全装置，用于在极限长度和重量条件下防止管状构件的意外移动以及在钻机上防止人为错误。 此外，本发明包括可适应于在深井眼中的钻井要求的多段连续油管钻杆。

公开(公告)号：US06325160B1

公开(公告)日：2001-12-04

申请号：US09314042

申请日：1999-05-18

申请人： Michael James Goodwin ,  David Harold Theiss

发明人： Michael James Goodwin ,  David Harold Theiss

IPC分类号： E21B712

CPC分类号： E21B7/128 ,  E21B41/08

摘要： An undersea drilling template adapted to be lowered onto a seabed by a drillpipe. The template comprises a template base and at least one arm having a releasable clamping assembly for releasably connecting the template to the drillpipe. The clamping assembly is adapted to be clamped to the drillpipe during lowering of the template and release from the drillpipe when the lowering is completed.

摘要翻译： 海底钻井模板，适于通过钻杆下沉到海床上。 模板包括模板基部和至少一个臂，其具有用于将模板可释放地连接到钻杆的可释放的夹紧组件。 夹紧组件适于在降低模板期间夹紧到钻杆，并且在降低完成时从钻杆释放。

公开(公告)号：US06244347B1

公开(公告)日：2001-06-12

申请号：US09364920

申请日：1999-07-29

申请人： Bruce J. Watkins

发明人： Bruce J. Watkins

IPC分类号： E21B712

CPC分类号： E21B43/01 ,  E21B17/012

摘要： There are disclosed two embodiments of a subsea drilling, completion and/or workover apparatus which includes a spar buoy having a well therethrough, and a riser which extends through the well in the buoy for connection to the subsea wellhead during the drilling and/or completion process. A buoyancy tank is disposed about the riser within the buoy well to support the riser, and the upper end of the tank is fee to move vertically with respect to the well deck so that it will not be placed in compression despite anticipated rise and fall of the buoyancy tank.

摘要翻译： 已经公开了海底钻井，完井和/或修井设备的两个实施例，其包括具有穿过其中的井的翼梁浮标以及在钻井和/或完井期间延伸穿过浮标中的井以连接到海底井口的竖井 处理。 在浮筒内的提升管周围布置浮力罐以支撑提升管，并且罐的上端相对于井甲板垂直地移动，以使其不会被置于压缩状态，尽管预期的上升和下降 浮力坦克。

公开(公告)号：US06823950B2

公开(公告)日：2004-11-30

申请号：US10308516

申请日：2002-12-03

申请人： William Henry von Eberstein, Jr. ,  George Herbert Mayo ,  Mark Allen Weaver ,  Eric van Oort ,  Ernest Benedict Kotara, Jr.

发明人： William Henry von Eberstein, Jr. ,  George Herbert Mayo ,  Mark Allen Weaver ,  Eric van Oort ,  Ernest Benedict Kotara, Jr.

IPC分类号： E21B712

CPC分类号： E21B21/08 ,  E21B43/26 ,  E21B49/008

摘要： A method for addressing the problem known as formation breathing occurring during the drilling of a subsea well in an earth formation in performing a series of leak off tests to determine the earth formation fracture propagation pressure and the earth formation fracture reopen pressure and maintaining the hydrostatic pressure on the earth formation in a range between the fracture reopen pressure and the fracture propagation pressure.

摘要翻译： 一种在进行一系列泄漏试验以确定地层破裂传播压力和地层破裂重新打开压力并保持静水压力的情况下解决在地层钻井期间发生的称为地层呼吸的问题的方法 在断裂重新开放压力和裂缝传播压力之间的范围内的地层上。

公开(公告)号：US06415877B1

公开(公告)日：2002-07-09

申请号：US09353275

申请日：1999-07-14

申请人： Roger W. Fincher ,  Roland May ,  Peter Fontana ,  Larry Watkins ,  James W. Macfarlane

发明人： Roger W. Fincher ,  Roland May ,  Peter Fontana ,  Larry Watkins ,  James W. Macfarlane

IPC分类号： E21B712

CPC分类号： E21B21/00 ,  B63B21/502 ,  E21B7/002 ,  E21B7/128 ,  E21B7/28 ,  E21B17/206 ,  E21B19/002 ,  E21B19/09 ,  E21B19/22 ,  E21B21/001 ,  E21B21/08 ,  E21B33/076 ,  E21B43/121 ,  E21B43/122 ,  E21B2021/006

摘要： The present invention provides drilling systems for drilling subsea wellbores. The drilling system includes a tubing that passes through a sea bottom wellhead and carries a drill bit. A drilling fluid system continuously supplies drilling fluid into the tubing, which discharges at the drill bit bottom and returns to the wellhead through an annulus between the tubing and the wellbore carrying the drill cuttings. A fluid return line extending from the wellhead equipment to the drilling vessel transports the returning fluid to the surface. In a riserless arrangement, the return fluid line is separate and spaced apart from the tubing. In a system using a riser, the return fluid line may be the riser or a separate line carried by the riser. The tubing may be coiled tubing with a drilling motor in the bottom hole assembly driving the drill bit. A suction pump coupled to the annulus is used to control the bottom hole pressure during drilling operations, making it possible to use heavier drilling muds and drill to greater depths than would be possible without the suction pump. An optional delivery system continuously injects a flowable material, whose fluid density is less than the density of the drilling fluid, into the returning fluid at one or more suitable locations the rate of such lighter material can be controlled to provide supplementary regulation of the pressure. Various pressure, temperature, flow rate and kick sensors included in the drilling system provide signals to a controller that controls the suction pump, the surface mud pump, a number of flow control devices, and the optional delivery system.

公开(公告)号：US06409430B1

公开(公告)日：2002-06-25

申请号：US09720987

申请日：2001-01-25

申请人： Paul M Shepherd

发明人： Paul M Shepherd

IPC分类号： E21B712

CPC分类号： E21B43/017 ,  E21B41/08 ,  Y10T408/98

摘要： A drilling and production template for sub-sea wells comprises a plurality of individual limbs (1-4) each with a central hub (10-14) at one end of an arm (11-41) and a drilling receptable (12-42) on the other end of the arm. The hubs are of different diameters such that they fit within each other in a telescopic manner. They have cut-out (27, 37, 47) accommodate the arms of the other limbs when installed. The template may be deployed onto a pre-installed foundation with the arms stacked vertically above the other, in such manner as to pass through the moonpool of a drilling vessel. The complete assemblies are installed on a mechanical running tool attached to a drilling string. After the template is disposed on the foundation, the drilling string is rotated, causing the running tool to rotate the limbs (1-4) so that the hubs telescope into each other, providing a splayed multi-well drilling and production template.

摘要翻译： 用于海底井的钻井和生产模板包括多个单独的四肢（1-4），每个肢体在臂的一端具有中心轮毂（10-14）（11-41）和钻孔接收器（12-42） ）在手臂的另一端。 轮毂具有不同的直径，使得它们以伸缩方式彼此配合。 他们有安全的切口（27,37,47）容纳其他肢体的手臂。 模板可以部署在预先安装的基础上，其中臂以垂直方式堆叠在另一个之上，以便穿过钻井容器的月球。 完整的组件安装在连接到钻柱上的机械运行工具上。 将模板放置在基础上后，钻柱旋转，使得运行工具旋转四肢（1-4），使得轮毂彼此伸缩，提供展开的多井钻井和生产模板。

公开(公告)号：US06196333B1

公开(公告)日：2001-03-06

申请号：US09284018

申请日：1999-04-30

申请人： Kåre Aardal

发明人： Kåre Aardal

IPC分类号： E21B712

CPC分类号： E21B19/086 ,  E21B7/124 ,  E21B19/002

摘要： A hydrostatic penetration device for placing on and penetration of the seabed comprises a housing (1) with a top cover (2) and a bottom cover (3), and a through-going vertical tool (4) for penetration of the seabed. The hydrostatic penetration device comprises at least one low pressure chamber (5), at least one hydraulic cylinder (6) with a vertically movable piston and piston rod (10) which can be driven to upward and downward movement by a flow of pressurised water from the surrounding water to the low pressure chamber (5), a clamping device (8) which surrounds the tool (4) and is connected to the piston rod (10), and which, during an upward and downward movement of the piston rod can be brought out of and into engagement with the tool respectively, and at least one weight (7) resting on the piston rod, which weight is vertically movable under the influence of the piston rod (10) and is arranged to transfer its weight to the clamping device (8) during a downward movement.

摘要翻译： 用于放置在海底和穿透海底的静水穿透装置包括具有顶盖（2）和底盖（3）的壳体（1）和用于穿透海床的直通垂直工具（4）。 静压穿透装置包括至少一个低压室（5），至少一个具有可垂直运动的活塞和活塞杆（10）的液压缸（6），该液压缸可通过加压水流从上向下运动 周围的水到低压室（5），夹紧装置（8）围绕工具（4）并连接到活塞杆（10），并且在活塞杆的向上和向下运动期间 分别与工具脱离并与工具接合，以及至少一个搁置在活塞杆上的重物（7），该重物在活塞杆（10）的作用下可竖直移动，并被布置成将其重量转移到 夹紧装置（8）。