Datacoil™ Downhole Logging System

Inactive Publication Date: 2011-04-14
IMPACT GUIDANCE SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The present invention provides a system and method for analyzing data from jarring and drilling operations using a logging tool that can record data from multiple parameters simultaneously. The data can be downloaded or transferred to a surface-based computer for analysis and adjustment of operating parameters. The logging tool can be incorporated into a coiled tubing work string with a jarring tool or used in a drilling string or scale clean-out operation. The technical effects include improved monitoring and analysis of drilling and jarring operations, improved wellbore control, and improved wellbore safety."

Problems solved by technology

The deployment of BHAs via coiled tubing and drilling industry has relied heavily on modeling software and calculations to determine many mechanical factors of the BHA including friction, weight on bit, pressure differentials, inclination, impact forces, torque, etc, since the sensor technology to record these parameters, in many cases, has not been available.
All too often the surface models and input from surface controls such as applying weight on bit, increasing or decreasing pump rates, changing pressures and altering tension or compression fail to optimize or result in a successful intervention for removing a stuck device milling out of bridge plugs or accurately determining multi lateral entry angle.

Method used

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  • Datacoil™ Downhole Logging System
  • Datacoil™ Downhole Logging System
  • Datacoil™ Downhole Logging System

Examples

Experimental program
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Effect test

Embodiment Construction

[0019]FIG. 1 illustrates an exemplary wellbore 10 which has been drilled through the earth 12 down to a hydrocarbon-bearing formation 14 from the surface 16. Perforations 18, of a type known in the art, extend through the wellbore 10 and outwardly into the formation 14 to permit hydrocarbon production fluid to flow from the formation 14 to the interior of the wellbore 10. A device 15, such as a packer of a type known in the art, is shown stuck within the wellbore 10.

[0020]A coiled tubing injection unit 20, of a type known in the art, is located at the surface 16 and is depicted injecting a coiled tubing production string 22 into the wellbore 10. At the distal end of the coiled tubing string 22 is affixed a bottom hole assembly (BHA) 23. An annulus 25 is defined between the bottom hole assembly 23 and the wellbore 10. The bottom hole assembly 23 includes an impact jarring tool 24. The impact jar device 24 is a jarring device of a type known in the art for imparting a jar force to a t...

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PUM

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Abstract

A logging tool for use within a work string within a wellbore. The logging tool includes one or more sensors which detect operational conditions within the wellbore and a processing and storage means for recording data relating to these conditions.

Description

[0001]This application claims priority to U.S. Provisional Patent Application Ser. No. 61 / 250,483 filed Oct. 9, 2009.BACKGROUND OF THE INVENTION[0002]1. Field of the Invention[0003]The present invention generally relates to the design of a mechanical and electronic logging tool used in conjunction with coiled tubing and other work strings for downhole operations. In particular aspects, the invention relates to a logging tool used in conjunction with a jarring tool to permit beneficial adjustment of operational parameters of the jarring tool. The other aspects, the invention relates to a logging tool used in conjunction with a drilling assembly or a scale cleaning assembly to permit adjustment of operational parameters for the operation of those assemblies.[0004]2. Description of the Related Art[0005]A coiled tubing bottom hole assembly (BHA) is primarily made up of check valves, disconnects, flow nozzles, hydraulic jars, mud motors, etc. These tools are deployed to perform a number ...

Claims

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Application Information

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Patent Type & AuthorityApplications(United States)
IPC IPC(8): E21B47/00
CPCE21B31/107E21B47/01E21B47/00E21B37/08
InventorMCLAUGHLIN, STUART
OwnerIMPACT GUIDANCE SYST