Drilling track deviation monitoring method

A trajectory and drilling technology, applied in the directions of surveying, earthwork drilling, wellbore/well components, etc., can solve the problems of unsatisfactory users, realism, intuition and effectiveness, etc., achieve good wellbore quality, improve real Sensitive effect

Inactive Publication Date: 2018-01-05
CHINA PETROLEUM & CHEM CORP +1
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Problems solved by technology

[0003] However, the drilling trajectory monitoring methods in the prior art still have deficie

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Embodiment Construction

[0024] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings and examples, so as to fully understand and implement the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects. It should be noted that, as long as there is no conflict, each embodiment of the present invention and each feature of each embodiment can be combined with each other, and the formed technical solutions all fall within the protection scope of the present invention.

[0025] Meanwhile, in the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to those skilled in the art that the present invention may be practiced without the specific details or in the specific manner described herein.

[0026] Additiona...

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Abstract

The invention discloses a drilling track deviation monitoring method comprising the steps of building an underground three-dimensional geological scene of an oil field block where a target well is located according to a preset visual object entity model; visualizing a design track of the target well to acquire a three-dimensional trend curve of the design track in the underground three-dimensionalgeological scene; visualizing a drilling track of the target well according to the acquired measured data of the target well while drilling to acquire the three-dimensional trend curve of the drilling track in the underground three-dimensional geological scene; judging whether a current depth point of the target well is an deviation point, and displaying the three-dimensional trend curves of thedesign track and the drilling track in the underground three-dimensional geological scene by different ways according to a judgment result. The method can truly and intuitively observe and analyze thetrend and deviation conditions of the drilling track and the design track from multiple angles, and can timely and effectively avoid the situation that the drilling track deviates from the design track.

Description

technical field [0001] The invention relates to the technical field of oil and gas exploration and development, in particular to a method for monitoring the deviation of a drilling trajectory and a designed trajectory in a three-dimensional scene. Background technique [0002] In the process of directional drilling, it is not only necessary to grasp the coordinate position of the actual drilling bottom and the direction of the wellbore at any time, but also to compare it with the designed trajectory to analyze the degree of consistency between the drilling trajectory and the designed trajectory and its change trend, so that the staff can take timely measures. Adjust measures to ensure hit target and maintain good wellbore quality. [0003] However, the related drilling trajectory monitoring methods in the prior art are still insufficient in terms of realism, intuition and effectiveness, and cannot meet the needs of users. SUMMARY OF THE INVENTION [0004] In order to solv...

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Application Information

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IPC IPC(8): G06F17/50G06T17/05G06Q50/02E21B47/12E21B47/02
Inventor 孙旭刘建立孙旭东肖莉杨传书王明方邹本友
Owner CHINA PETROLEUM & CHEM CORP
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