Vibration test device for composite riser-free drill string coupled with drilling fluid circulation

A technology of drilling fluid circulation and composite materials, applied in the field of offshore oil equipment engineering

Pending Publication Date: 2021-09-17
CHINA UNIV OF PETROLEUM (EAST CHINA) +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the problem of drill string rotation, realize the connection and fixation of the rotating drill string model

Method used

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  • Vibration test device for composite riser-free drill string coupled with drilling fluid circulation
  • Vibration test device for composite riser-free drill string coupled with drilling fluid circulation
  • Vibration test device for composite riser-free drill string coupled with drilling fluid circulation

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Embodiment Construction

[0025] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0026] Such as Figure 1-3 As shown, the composite material riserless drill string vibration test device coupled with drilling fluid circulation includes the drill string model 1 placed in the wave flow combined water tank, load excitation equipment, drilling fluid circulation device, data monitoring and sensing device, load excitation The equipment is connected to the top of the drill string without a riser. The drill string model 1 and the drilling fluid circulation device are connected with a data monitoring sensor device. The drilling fluid circulation device is connected to the drill string model 1 through a telescopic casing 11. The drill string model 1 The un...

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PUM

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Abstract

The invention discloses a vibration test device for a composite riser-free drill string coupled with drilling fluid circulation, wherein the vibration test device comprises a drill string model placed in a wave flow combined water tank, load excitation equipment, a drilling fluid circulating device and a data monitoring sensing device, and the load excitation equipment is connected to the top end of a riser-free drill string; the drill string model and the drilling fluid circulating device are connected with a data monitoring sensing device; and the drilling fluid circulating device is connected with the drill string model through a telescopic sleeve, and the drill string model is embedded into a rotating bearing through a universal joint connected with the bottom of the drill string model and connected to a fixing plate at the bottom of a supporting device through a high-strength bolt and a nut. Technical support is provided for drill string optimization, strength check and optimization of operation parameters and drilling parameters of the riser-free drilling technology.

Description

technical field [0001] The invention belongs to the field of offshore oil equipment engineering, and in particular relates to a composite material riser-free drill string vibration test device coupled with drilling fluid circulation. Background technique [0002] The existing riser is used to connect the bottom blowout preventer and the top drilling device. The inside is guided with drilling tools and casings to form a mud circulation channel, and the outside is subjected to complex and harsh environmental loads such as waves, ocean currents, and earthquakes. It is fragile and expensive . In addition, as the water depth increases, the conventional drilling riser system becomes larger and larger, and the requirements for the bearing capacity of the drilling platform and mooring system become more stringent. Problems such as excessive drilling have also become more prominent, and many factors limit deepwater drilling, thereby increasing project risks and technical costs. [...

Claims

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Application Information

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IPC IPC(8): G01M10/00G01M7/06G01M7/02
CPCG01M10/00G01M7/06G01M7/025G01M7/022
Inventor 娄敏王宇李想张珈翊王森
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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