Design and Experimental Investigation for Subsea Control Module Test System

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RESEARCH ARTICLE

Design and Experimental Investigation for Subsea Control Module Test System Peng Jia 1 & Zhehua Zhang 1 & Xiangyu Wang 1 & Feihong Yun 1 & Honghai Wang 1 & Gang Wang 1 Received: 10 November 2019 / Accepted: 7 March 2020 # Harbin Engineering University and Springer-Verlag GmbH Germany, part of Springer Nature 2020

Abstract As a core part of subsea production systems, subsea control modules (SCMs) are costly, difficult, and expensive to install and inconvenient to use in underwater maintenance. Therefore, performance and function tests must be carried out before launching SCMs. This study developed a testing device and an SCM test by investigating SCMs and their underwater. The testing device includes four parts: a hydraulic station, an SCM test stand, a signal generating device, and an electronic test unit. First, the basic indices of the testing device were determined from the performance and working parameters of the SCM. Second, the design scheme of the testing device for the SCM was tentatively proposed, and each testing device was designed. Finally, a practical measurement of the SCM, in combination with the hydraulic station, SCM test stand, signal generator, electronic unit, and highpressure water tank, was carried out according to the test requirements. The measurement mainly involved equipment inspection before testing and an experimental test for the SCM. The validity and feasibility of the testing device and method were simultaneously verified through an association test. Keywords Subsea control module . Testing device . Hydraulic system . Electronic control system . Experimental research

1 Introduction At present, offshore oil and gas, especially deep-sea oil and gas, are rich in resources, and exploration and development are proceeding rapidly. It can be said that the future of the petroleum industry lies in offshore oil. As a key facility for developing deepwater oil and gas resources, underwater production systems have stricter performance requirements. The core equipment of the underwater production

Article Highlights • In order to ensure that the SCMs can work safely, a set of test schemes have been proposed, and a set of test equipment has been developed. • The high- and low-pressure oil output of the hydraulic station was stable and reliable; the SGD could issue different analog signals according to the requirements; the ETU could issue an operation command to the SCM and receive a monitoring signal returned by the SCM. • The joint SCM test was completed to verify the feasibility of the test methods and the effectiveness of the testing device. * Peng Jia [email protected] 1

College of Mechanical and Electronic Engineering, Harbin Engineering University, Harbin 150001, China

system is the subsea control module. Whether SCM can safely and effectively monitor is related to whether the underwater production system can implement production operations in a safe and orderly manner. Once the SCM breaks down, it is extremely inconvenient and costly to repair. Therefore, the functio