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Real-time monitoring system for stress of drill rod and early warning method thereof

A real-time monitoring and drill pipe technology, which is applied in the fields of earthwork drilling, measurement, wellbore/well components, etc., can solve the problem of real-time monitoring without the force of the drill pipe, and achieve fast acquisition and processing speed, convenient operation, and avoidance of The effect of breaking or bending

Pending Publication Date: 2022-08-05
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no method or means for real-time monitoring of the force of the drill pipe in the related art

Method used

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  • Real-time monitoring system for stress of drill rod and early warning method thereof
  • Real-time monitoring system for stress of drill rod and early warning method thereof
  • Real-time monitoring system for stress of drill rod and early warning method thereof

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Embodiment Construction

[0053] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0054] Unless otherwise defined, all technical terms used in the embodiments of the present application have the same meaning as commonly understood by those skilled in the art.

[0055] In order to make the technical solutions and advantages of the present application clearer, the embodiments of the present application will be further described in detail below with reference to the accompanying drawings.

[0056] As a construction technology for ma...

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Abstract

The invention discloses a drill rod stress real-time monitoring system and an early warning method thereof, and belongs to the technical field of offshore construction safety. The system comprises a tension measuring unit, a water depth measuring unit and a data processing unit, the tension measuring unit is located on a drilling machine connected with a drilling rod and is configured to obtain tension data of the drilling rod in real time, and the drilling machine is located on a surveying vessel; the water depth measurement unit is located on the surveying vessel and is configured to acquire water depth data of the position where the surveying vessel is located in real time; and the data processing unit is positioned on the surveying vessel, is connected with the tension measuring unit and the water depth measuring unit, and is configured to process the tension data and the water depth data and then output drill rod stress data in real time. The system can obtain the stress state of the drill rod in real time, guide operators to construct, ensure the safety of the drill rod and reduce the risk of construction operation.

Description

technical field [0001] The present application relates to the technical field of offshore construction safety, in particular to a real-time monitoring system for drill pipe stress and an early warning method thereof. Background technique [0002] As a construction technology for marine pipeline landing, the directional drilling to the sea has the function of protecting the coastline landform. During the construction process, the offshore towed drilling rig is installed on the construction ship. Affected by various factors such as wind, wave, current, and water depth, the ship will move with six degrees of freedom, and the movement of the ship will be transmitted to the drilling rig in the form of external force. In turn, it will have a greater impact on the force of the drilling rig and the back towed drill pipe. [0003] When the movement of the ship causes the drill pipe to be stressed beyond its yield strength, the drill pipe can break and bend, increasing the risk of co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B47/007E21B47/001E21B47/12
CPCE21B47/12Y02A90/30
Inventor 荣世伦孙碧君李俭曾惠林辛林王满海
Owner BC P INC CHINA NAT PETROLEUM CORP
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