公开(公告)号：US09194225B2

公开(公告)日：2015-11-24

申请号：US13670775

申请日：2012-11-07

Applicant: James David Dowell ,  Melvin Clark Thompson

Inventor： James David Dowell ,  Melvin Clark Thompson

IPC: E21B7/12 ,  E21B47/04 ,  G01F23/284 ,  E21B21/08

CPC classification number: E21B47/042 ,  E21B21/08 ,  G01F23/284

Abstract: A system, method and device may be used to monitor fluid levels in a drill pipe in borehole. The system includes an electromagnetic (EM) generator to generate a traveling wave of electromagnetic energy to propagate along a linear path through the drill pipe towards a surface of the fluid, a detector to detect a portion of the electromagnetic wave reflected from the surface of the fluid and propagated through the drill pipe towards the detector, a processor to analyze detected signals to determine a level of the surface of the fluid. In an embodiment, the system includes a pump controller to control the operation of a pump located in the wellbore or at the mudline based on the fluid surface level.

Abstract translation: 系统，方法和装置可用于监测钻孔中钻杆中的液位。 该系统包括电磁（EM）发生器，以产生电磁能的行波，沿着穿过钻杆的线性路径朝向流体的表面传播;检测器，用于检测从该表面的反射的电磁波的一部分 流体并通过钻杆向检测器传播，处理器分析检测到的信号以确定流体表面的水平。 在一个实施例中，系统包括泵控制器，用于基于流体表面水平来控制位于井筒中或在泥线处的泵的操作。

公开(公告)号：US07735561B2

公开(公告)日：2010-06-15

申请号：US12036392

申请日：2008-02-25

Applicant: Mark Alan Johnson ,  Dana Earl Witt ,  James David Dowell

Inventor： Mark Alan Johnson ,  Dana Earl Witt ,  James David Dowell

IPC: E21B7/12 ,  E21B29/12

CPC classification number: E21B33/038

Abstract: A method and system for performing intervention and workover operations on a subsea well are provided, as well as an adapter for connecting a lower end portion of a conduit extending from a vessel with an upper portion of a lower marine riser package associated with a subsea tree. The method includes providing a lower marine riser package connected to an upper portion of a subsea tree associated with a subsea well, and a conduit extending from a vessel toward the lower marine riser package. The conduit is connected to the lower marine riser package with an adapter. A portion of a conduit bore of the conduit above the adapter is sealed from a chamber in the adapter, and a portion of a bore extending through the lower marine riser package is sealed from the chamber. The adapter is opened for access to the chamber from the sea.

Abstract translation: 提供了一种用于在海底井上执行干涉和修井操作的方法和系统，以及用于连接从容器延伸的导管的下端部分与与海底树相关联的下部海洋提升管包装的上部的适配器 。 该方法包括提供连接到与海底井相关联的海底树的上部的下部海洋提升管包，以及从船舶朝向下部海洋提升管包延伸的导管。 导管与适配器连接到下部海洋提升管包装。 适配器上方的管道的导管孔的一部分与适配器中的腔室密封，并且延伸穿过下部海洋提升管包装的孔的一部分与腔室密封。 打开适配器以从海中进入腔室。

公开(公告)号：US20090050329A1

公开(公告)日：2009-02-26

申请号：US12036392

申请日：2008-02-25

Applicant: Mark Alan Johnson ,  Dana Earl Witt ,  James David Dowell

Inventor： Mark Alan Johnson ,  Dana Earl Witt ,  James David Dowell

IPC: E21B33/04

CPC classification number: E21B33/038

Abstract: A method and system for performing intervention and workover operations on a subsea well are provided, as well as an adapter for connecting a lower end portion of a conduit extending from a vessel with an upper portion of a lower marine riser package associated with a subsea tree. The method includes providing a lower marine riser package connected to an upper portion of a subsea tree associated with a subsea well, and a conduit extending from a vessel toward the lower marine riser package. The conduit is connected to the lower marine riser package with an adapter. A portion of a conduit bore of the conduit above the adapter is sealed from a chamber in the adapter, and a portion of a bore extending through the lower marine riser package is sealed from the chamber. The adapter is opened for access to the chamber from the sea.

Abstract translation: 提供了一种用于在海底井上执行干涉和修井操作的方法和系统，以及用于连接从容器延伸的导管的下端部分与与海底树相关联的下部海洋提升管包装的上部的适配器 。 该方法包括提供连接到与海底井相关联的海底树的上部的下部海洋提升管包，以及从船舶朝向下部海洋提升管包延伸的导管。 导管与适配器连接到下部海洋提升管包装。 适配器上方的管道的导管孔的一部分与适配器中的腔室密封，并且延伸穿过下部海洋提升管包装的孔的一部分与腔室密封。 打开适配器以从海中进入腔室。

公开(公告)号：US20150027717A1

公开(公告)日：2015-01-29

申请号：US14338721

申请日：2014-07-23

Applicant: Kai-tung Ma ,  James David Dowell ,  Dave Smith ,  Kenneth L. Smith

Inventor： Kai-tung Ma ,  James David Dowell ,  Dave Smith ,  Kenneth L. Smith

IPC: E21B41/00 ,  E21B33/035 ,  B63B35/44

CPC classification number: E21B33/035 ,  B63B35/4413 ,  E21B21/001 ,  E21B21/08 ,  E21B21/12

Abstract: An apparatus, system and process for deployment of subsea drilling equipment through a moon pool of a drilling vessel is disclosed. The drilling equipment may include a subsea mudlift pump (MLP) that is configured to be deployed below the surface of the ocean and is adapted for conducting dual gradient drilling (DGD) operations. In the apparatus and process, the MLP may be suspended temporarily aboard the vessel by a holding mechanism. The MLP may be combined first with a lower marine riser package (LMRP) prior to suspension of the MLP and/or MLP/LMRP aboard the drilling vessel. An equipment combination, comprising at least a MLP and a LMRP, may be with a BOP, the mating occurring at a position below the surface of the ocean. In one aspect, the BOP may be separately deployed into the ocean, and then subsequently mated subsea with the LMRP and/or a MLP/LMRP combined equipment package.

Abstract translation: 公开了一种用于通过钻井船的月球池部署海底钻井设备的装置，系统和过程。 钻井设备可以包括被配置为部署在海洋表面下方并且适于进行双梯度钻井（DGD）操作的海底制泥机泵（MLP）。 在设备和过程中，MLP可以通过保持机构暂时悬挂在船上。 在MLP和/或MLP / LMRP悬挂在钻井船上之前，MLP可以首先与较低的海洋提升管（LMRP）组合。 包括至少MLP和LMRP的设备组合可以具有BOP，配合发生在海洋表面下方的位置。 在一个方面，BOP可以单独部署到海洋中，然后随后与LMRP和/或MLP / LMRP组合的设备包配合在海底。

公开(公告)号：US20140124210A1

公开(公告)日：2014-05-08

申请号：US13670775

申请日：2012-11-07

Applicant: James David Dowell

Inventor： James David Dowell

IPC: E21B47/047 ,  G01F23/284 ,  E21B47/001

CPC classification number: E21B47/042 ,  E21B21/08 ,  G01F23/284

Abstract: A system, method and device may be used to monitor fluid levels in a drill pipe in borehole. The system includes an electromagnetic (EM) generator to generate a traveling wave of electromagnetic energy to propagate along a linear path through the drill pipe towards a surface of the fluid, a detector to detect a portion of the electromagnetic wave reflected from the surface of the fluid and propagated through the drill pipe towards the detector, a processor to analyze detected signals to determine a level of the surface of the fluid. In an embodiment, the system includes a pump controller to control the operation of a pump located in the wellbore or at the mudline based on the fluid surface level.

Abstract translation: 系统，方法和装置可用于监测钻孔中钻杆中的液位。 该系统包括电磁（EM）发生器，以产生电磁能的行波，沿着穿过钻杆的线性路径朝向流体的表面传播;检测器，用于检测从该表面的反射的电磁波的一部分 流体并通过钻杆向检测器传播，处理器分析检测到的信号以确定流体表面的水平。 在一个实施例中，系统包括泵控制器，用于基于流体表面水平来控制位于井筒中或在泥线处的泵的操作。