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System and apparatus for directing a survey of a well

a well and well technology, applied in the field of system and apparatus for directing a well, can solve the problems of inadvertent acquisition of survey information and corrupted survey information,

Inactive Publication Date: 2011-06-30
PASON SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the drilling process, erroneous survey information may be inadvertently acquired as a result of the sequencing of the mud pumps.
In addition, survey information may be corrupted due to motion of the drill bit or drill string during the acquisition of the survey information.
These types of erroneous survey information are typically identified and rejected by a driller or MWD so that erroneous survey data is not used for path determination of the well bore.

Method used

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  • System and apparatus for directing a survey of a well
  • System and apparatus for directing a survey of a well
  • System and apparatus for directing a survey of a well

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Embodiment Construction

[0083]The embodiments described herein relate to a system and apparatus for directing a survey of a directional well at a drill-site. Particularly, the embodiments relate to a system and apparatus for directing a survey workflow, acquiring survey data, communicating survey data and workflow information to interested parties, and logging survey data. While the embodiments described herein relate to directional drilling applications, it is to be understood that the scope of the present invention is not limited to directional drilling applications and is equally applicable to other drilling applications.

[0084]As used herein, “survey data” comprises depth, inclination and azimuth information of the BHA at a given point during the drilling of a well; and “workflow information” comprises the status of a survey workflow and instructions directing the driller to conduct a survey according to the survey workflow. In addition, as used herein, “communicatively coupled” refers to communication ...

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Abstract

An apparatus receives survey instructions from a directed unit and measurement data from a measurement unit. The apparatus directs a survey workflow comprising a plurality of stages, determines the completion of at least one of the stages based upon at least one of the measurement data and the survey instructions, provides workflow information, selects survey data from the measurement data, and stores the survey data in a memory. The apparatus sends the workflow information to the directed unit.

Description

FIELD OF INVENTION[0001]The present invention relates to a system and apparatus for directing a survey of a well at a drill-site.BACKGROUND OF THE INVENTION[0002]In directional drilling operations a well plan identifies a series of target points through which the path of well is desired to follow. The path of the well is directed to follow the well plan by controlling the advancement of a drill string into the ground. The drill string comprises a bottom hole assembly (“BHA”) positioned at the bottom most point of the drill string, and a series of drill pipes (also known as “singles”) that are incrementally attached to the upper tail end of the drill string as the drill string advances into the ground. The BHA typically comprises a drill bit, a mud motor, a bent sub, a measurement while drilling (“MWD”) tool, and other components that are well known in the art. The drill bit is driven by pressurized drilling fluid that is pumped from the surface by a mud pump down the well bore to dr...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): E21B47/02
CPCE21B47/02
Inventor KHROMOV, SERGEYEDDY, AARONHANSEN, WESHOPKINS, ROBERT
Owner PASON SYST
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