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Self-cleaning system for offshore drilling module hydraulic oil system

A hydraulic oil and self-cleaning technology, which is applied in the field of self-cleaning systems, can solve problems such as high cleanliness requirements, impurity particles stuck, leakage of seals, etc., to shorten the flushing time, achieve recycling, and increase the service life.

Inactive Publication Date: 2017-05-10
CNOOC ENERGY TECH & SERVICES +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Particle pollutants in the hydraulic system are the main cause of wear and tear of hydraulic equipment. In drilling rigs, equipment such as iron drillers, hydraulic tongs, hydraulic hoists, hydraulic work baskets, and slip control systems have high requirements for the cleanliness of hydraulic systems; The stability of the equipment also depends on the cleanliness of the hydraulic system; more than 75% of the failures of the hydraulic and lubrication systems are caused by the contamination of solid particles in the oil. Parts cause leakage, resulting in downtime for repairs

Method used

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  • Self-cleaning system for offshore drilling module hydraulic oil system

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with the accompanying drawings.

[0016] The present invention develops the self-cleaning accessory device 20 of the hydraulic system dedicated to the offshore drilling rig module, and utilizes the body pump group 3 and the oil tank 2 of the integrated hydraulic station 1 to realize the cleanliness of the hydraulic system pipeline and equipment during the construction of the drilling rig module and offshore maintenance to NAS level.

[0017] as attached figure 1 As shown, a self-cleaning system for the modular hydraulic oil system of an offshore drilling rig includes an oil tank 2 and a pump unit 3 connected to each other in a comprehensive hydraulic station 1, and the oil outlet of the pump unit 3 is connected to a heating system 4 and A pulse system 7, the heating system 4 is provided with an electric heater 5 and a temperature sensor 6 connected to the electric control box 14, and the pulse system 7...

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Abstract

The invention discloses a self-cleaning system for an offshore drilling module hydraulic oil system. The self-cleaning system includes an oil tank and a pump set; an oil outlet of the pump set is successively connected to a heating system and a pulse system; an outlet of the pulse system is connected to an inlet of a pipeline to be cleaned; an outlet of the pipeline to be cleaned is successively connected to an oil quality online monitoring system and a second stage filtering system; and an outlet of the second stage filtering system is connected to an oil return opening of the oil tank. According to the invention, the second stage filtering system, the heating system, the pulse system, and the oil quality online monitoring system are in butt-joint with the comprehensive hydraulic station through the pump set and the oil tank of a comprehensive hydraulic station, and the size of the cleaning device is reduced, thereby facilitating cleaning and use of hydraulic oil pipelines in a construction site; later maintenance and use of offshore hydraulic oil pipelines is facilitated; and the self-cleaning system can clean a plurality of pipelines at the same time, can short the cleaning time, and can save energy and improve the drilling efficiency.

Description

technical field [0001] The invention relates to the field of offshore drilling rig module construction, in particular to a self-cleaning system for the hydraulic oil system of the offshore drilling rig module. Background technique [0002] In the offshore drilling rig module, the hydraulic oil system provides power for important drilling tools such as lifting derricks, skidding rigs, hoisting winches, and hydraulic tongs. It has the advantages of good stability, high safety, and high cost performance, making the hydraulic oil system It is widely used in drilling rigs, and even pure hydraulic drilling rigs are produced. [0003] During the operation and use of the drilling rig module, the pollution of hydraulic oil has a serious impact on the use of the hydraulic oil system. Particle pollutants in the hydraulic system are the main cause of wear and tear of hydraulic equipment. In drilling rigs, equipment such as iron drillers, hydraulic tongs, hydraulic hoists, hydraulic wor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F15B21/04F15B21/02B08B9/032
CPCF15B21/041B08B9/0323F15B21/02F15B21/042
Inventor 钟娜徐建磊郑道林张磊赵秀宁李晓赫李广鑫刘江歌
Owner CNOOC ENERGY TECH & SERVICES
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