Wireless monitoring and early warning system of cable tension and compass signals in offshore oil extraction operation

Abstract

The invention discloses a wireless monitoring and early warning system of cable tension and compass signals in offshore oil extraction operation. The system comprises an FPSO (Floating Production Storage and Offloading) stopping oil storage barge and an unfixed oil extraction ship; a cable is connected between the FPSO stopping oil storage barge and the unfixed oil extraction ship; a compass instrument, a tension sensor used for detecting the cable tension, and a signal collecting and emitting integrated machine are arranged on the FPSO stopping oil storage barge; a wireless signal receiving terminal is arranged on the unfixed oil extraction ship; the signal collecting and emitting integrated machine is used for collecting compass signals of the compass instrument and tension signals of the tension sensor and sending the signals to the wireless signal receiving terminal; and the wireless signal receiving terminal is used for performing real-time monitoring and early warning according to the tension signals and the compass signals. The system realizes the real-time monitoring to the cable tension and compass signals in a wireless transmission mode, improves the safety and the reliability during the oil transportation process, is low in equipment cost and easy to install and operate, and does not require performing vocational training to related personnel.

Description

technical field [0001] The invention relates to a system for monitoring and pre-warning the tension of the cable and the orientation of the ship between the offshore oil and gas processing FPSO storage tanker and the non-fixed oil lifting ship during the oil lifting operation at sea. Background technique [0002] At present, after years of informatization construction, CNOOC has basically established a relatively complete information application platform, which has made important contributions to the informatization construction of offshore platforms. However, in the current offshore first-line production environment, FPSO (Floating Production Storage and Offloading, that is, floating oil storage and offloading device, can perform preliminary processing and storage of crude oil, and is called "offshore oil factory"). It is a relatively complicated problem. In addition to factors such as wind, waves, and currents in the marine environment, it is also related to a series of fa...

AI Technical Summary

Problems solved by technology

Moreover, the data of the compass signal and the cable tension signal cannot be observed on the unfixed oil lifting vessel, and information can only be transmitted and communicated through walkie-talkies. In addition, the unfixed oil lifting vessel cannot monitor the data of the cable tension in real time

When the mooring ship will move under the influence of wind and waves and other marine environmental factors, it is impossible to notify the unfixed oiler or third-party ship in real time of the cable tension information and compass signal, which will affect the normal operation of the first-line offshore operation area in severe cases

[0004] In the current offshore oil lifting operation, for example, in the winter monsoon season, the tension of the cable is changing rapidly due to the swell, and sometimes the pulling force has exceeded the maximum tensile force of the cable before it is reported to the captain of the unfixed oil lifting vessel. Calculated by replacing one cable every year, one cable costs 40,000 yuan, and one hose costs 560,000 yuan. According to past experience, at least 2 hoses are replaced. The direct economic loss of a broken cable is nearly 1.16 million yuan, and the loss of 30 cubic meters of crude oil in the hose is recovered and The cost of eliminating pollution is about 1.2 million yuan. This loss has not yet calculated the risk of a more serious oil tanker collision. If a collision occurs, the loss will be immeasurable

Images