Bulletin of Surveying and Mapping ›› 2022, Vol. 0 ›› Issue (4): 111-116.doi: 10.13474/j.cnki.11-2246.2022.0120

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Application research of BDS precise point positioning on dynamic positioning system of offshore oil drilling rig

LUO Youan1, JIANG Aiguo1, YANG Fuxin2, ZHANG Jie2, HE Dongxu2, XU Yinglong3   

  1. 1. Drilling Research and Development Institute, China Oilfield Service Limited, Sanhe 065201, China;
    2. College of Intelligent Systems Scinence and Engineering, Harbin Engineering University, Harbin 150001, China;
    3. Harbin Shipborne Satellite Technology Co., Ltd., Harbin 150001, China
  • Received:2021-05-17 Online:2022-04-25 Published:2022-04-26

Abstract: The dynamic positioning (DP) offshore drilling rig depends on the high precision position reference datum. Precise point positioning (PPP) technology based on global navigation satellite system is the best choice to provide ocean high precise position service. At present, the high-precision position reference datum of offshore drilling rig mainly depends on GPS. With the completion of BeiDou Navigation Satellite System (BDS), the BDS real-time PPP will provide independent and high-precision position reference in the global ocean. In this paper, a self-developed receiver based on BDS real-time PPP is carried out and connected to a DP system in the South China Sea. The results show that compared with similar GPS receiver, the three-dimensional position difference after convergence is less than 50 cm. Meanwhile, the weight of BDS and GPS information is the same in Kongsberg DP system. It verifies the feasibility of DP offshore drilling rig operation based on single BDS position reference datum.

Key words: precise point positioning, BeiDou navigation satellite system(BDS), dynamic positioning system, semi-submersible drilling rig, offshore oil and gas development

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