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Core barrel assembly with integrated sample orientation tool and system using the same

A technology for core barrels and components, applied in the direction of extracting undisturbed core devices, drill bits, wellbore/well components, etc., can solve complex problems, and achieve the effect of reducing operations, improving operating efficiency, and reducing the use of processing and equipment

Inactive Publication Date: 2020-09-04
LONGYEAR TM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is complicated because drilling is usually done at an angle relative to the vertical

Method used

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  • Core barrel assembly with integrated sample orientation tool and system using the same
  • Core barrel assembly with integrated sample orientation tool and system using the same
  • Core barrel assembly with integrated sample orientation tool and system using the same

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Embodiment Construction

[0031] The present invention can be understood more readily by reference to the following detailed description, examples, drawings and claims and the above and following description. However, before the devices, systems and / or methods of the present invention are disclosed and described, it should be understood that, unless otherwise indicated, the invention is not limited to the specific devices, systems and / or methods disclosed, since such specific devices, systems And / or methods are of course subject to change. It is also to be understood that terminology used herein is for the purpose of describing particular aspects only and is not intended to be limiting.

[0032] The following description of the invention is provided as a teaching of the invention in the best embodiment currently known. To this end, those skilled in the relevant art will recognize and appreciate that many modifications can be made in the various aspects of the invention described herein while still obt...

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Abstract

The present invention provides a core barrel head assembly having at least one electronics configured to acquire orientation data; a power source; and a communication device for receiving and / or transmitting orientation data, For use in a core sample downhole survey and / or sample orientation system, the communication device is configured to provide an indication of the orientation of the core sample relative to the body of material from which the core was extracted, and the invention also provides a method for identifying the core sample orientation method.

Description

[0001] Cross references to related patent applications [0002] This application claims priority to US Provisional Patent Application No. 61 / 982,052, filed April 21, 2014, which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to downhole surveying in drilling operations. More particularly, the present invention relates to a core barrel assembly having at least one electronic instrument configured for downhole exploration of a core sample and a sample orientation system. In one example, the at least one electronic instrument is configured to provide an indication of the orientation of the core sample relative to the body of material from which the core has been extracted, and is further configured for a method of core sample orientation identification. Background technique [0004] Historically, core samples have been obtained by using a core drilling system that includes an outer tube assembly and an inner tube ass...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B10/02E21B49/02
CPCE21B25/16
Inventor C·L·德伦斯G·斯图尔特K·海莱赫
Owner LONGYEAR TM