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Title: Link module for a downhole drilling network

Abstract

A repeater is disclosed in one embodiment of the present invention as including a cylindrical housing, characterized by a proximal end and a distal end, and having a substantially cylindrical wall, the cylindrical wall defining a central bore passing therethrough. The cylindrical housing is formed to define at least one recess in the cylindrical wall, into which a repeater is inserted. The cylindrical housing also includes an annular recess formed into at least one of the proximal end and the distal end. An annular transmission element, operably connected to the repeater, is located in the annular recess. In selected embodiments, the annular transmission element inductively converts electrical energy to magnetic energy. In other embodiments, the annular transmission element includes an electrical contact to transmit electrical energy directly to another contact.

Inventors:
 [1];  [1]
  1. Provo, UT
Publication Date:
Research Org.:
Novatek Engineering Inc
Sponsoring Org.:
USDOE
OSTI Identifier:
909428
Patent Number(s):
7,224,288
Application Number:
10/613,549
Assignee:
IntelliServ, Inc. (Provo, UT) NETL
DOE Contract Number:
FC26-97FT34365
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Hall, David R, and Fox, Joe. Link module for a downhole drilling network. United States: N. p., 2007. Web.
Hall, David R, & Fox, Joe. Link module for a downhole drilling network. United States.
Hall, David R, and Fox, Joe. Tue . "Link module for a downhole drilling network". United States. doi:. https://www.osti.gov/servlets/purl/909428.
@article{osti_909428,
title = {Link module for a downhole drilling network},
author = {Hall, David R and Fox, Joe},
abstractNote = {A repeater is disclosed in one embodiment of the present invention as including a cylindrical housing, characterized by a proximal end and a distal end, and having a substantially cylindrical wall, the cylindrical wall defining a central bore passing therethrough. The cylindrical housing is formed to define at least one recess in the cylindrical wall, into which a repeater is inserted. The cylindrical housing also includes an annular recess formed into at least one of the proximal end and the distal end. An annular transmission element, operably connected to the repeater, is located in the annular recess. In selected embodiments, the annular transmission element inductively converts electrical energy to magnetic energy. In other embodiments, the annular transmission element includes an electrical contact to transmit electrical energy directly to another contact.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 29 00:00:00 EDT 2007},
month = {Tue May 29 00:00:00 EDT 2007}
}

Patent:

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  • A downhole drilling system is disclosed in one aspect of the present invention as including a drill string and a transmission line integrated into the drill string. Multiple network nodes are installed at selected intervals along the drill string and are adapted to communicate with one another through the transmission line. In order to efficiently allocate the available bandwidth, the network nodes are configured to use any of numerous burst modulation techniques to transmit data.
  • Apparatus and methods for integrating transmission cable into the body of selected downhole tools, such as drilling jars, having variable or changing lengths. A wired downhole-drilling tool is disclosed in one embodiment of the invention as including a housing and a mandrel insertable into the housing. A coiled cable is enclosed within the housing and has a first end connected to the housing and a second end connected to the mandrel. The coiled cable is configured to stretch and shorten in accordance with axial movement between the housing and the mandrel. A clamp is used to fix the coiled cablemore » with respect to the housing, the mandrel, or both, to accommodate a change of tension in the coiled cable.« less
  • A high-speed downhole network providing real-time data from downhole components of a drilling strings includes a bottom-hole node interfacing to a bottom-hole assembly located proximate the bottom end of a drill string. A top-hole node is connected proximate the top end of the drill string. One or several intermediate nodes are located along the drill string between the bottom-hole node and the top-hole node. The intermediate nodes are configured to receive and transmit data packets transmitted between the bottom-hole node and the top-hole node. A communications link, integrated into the drill string, is used to operably connect the bottom-hole node,more » the intermediate nodes, and the top-hole node. In selected embodiments, a personal or other computer may be connected to the top-hole node, to analyze data received from the intermediate and bottom-hole nodes.« less
  • This patent describes an apparatus for controlling a flow of fluid through a downhole drilling motor which includes a first flow passage and a second flow passage communicating with the first flow passage extending through an unsealed bearing section of the downhole drilling motor. It comprises: variable flow channel means for providing a variable flow channel, having a selectable effect cross-sectional area, in communication with the first flow passage of the downhole drilling motor, including a valve, comprising a valve seat body having an opening defined therethrough; and a valve member disposed in said seat body so that said valvemore » member is movable between said first position relative to said opening and control means for controlling said variable flow channel means so that said variable flow channel has a selected effective cross-sectional area characterized to cause at least a predetermined minimum flow of the fluid to occur through the second flow passage. The control means includes a snap ring connected to said valve seat body for holding said valve member at said first position until a fluid is flowed above a predetermined flow rate through the first flow passage of the downhole drilling motor and said opening defined in said valve seat body.« less
  • This patent describes a downhole drilling apparatus for use with a drill bit, comprising: a downhole drilling motor; stabilizing means; and cutting means. Also described is a method of drilling a substantially vertical borehole in an earthen formation.