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Deep Neural Network Prediction of Mechanical Drilling Speed

Author

Listed:
  • Haodong Chen

    (School of Safety and Ocean Engineering, China University of Petroleum (Beijing), Beijing 100249, China
    CNOOC (China) Co., Ltd. Hainan Branch, Haikou 570312, China)

  • Yan Jin

    (School of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 100249, China)

  • Wandong Zhang

    (CNOOC (China) Co., Ltd. Zhanjiang Branch, Zhanjiang 524000, China)

  • Junfeng Zhang

    (School of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 100249, China)

  • Lei Ma

    (CNOOC (China) Co., Ltd. Zhanjiang Branch, Zhanjiang 524000, China)

  • Yunhu Lu

    (School of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 100249, China)

Abstract

Rate of penetration (ROP) prediction is critical for the optimization of drilling parameters and ROP improvement during drilling. However, it is still challenging to accurately predict ROP based on traditional empirical formula methods. This is usually the case for the development of the Wushi 17-2 oilfield block in the South China Sea. The Liushagang Formation is complex and the ROP is relatively low and difficult to increase. Ordinary data-driven ROP prediction models are not applicable because they do not take into account the complexity of formation conditions. In this work, we characterize the formation with acoustic transit time and build a data-driven ROP prediction model based on a deep neural network approach. By using the exploratory well data of the Wushi 17-2 oilfield for training and testing, the matching degree of the established model with the real data can reach 82%. In addition, we have developed a drilling parameter optimization process based on the ROP prediction model to improve ROP. Through on-site simulation, we found that the process can well meet the construction requirements. The established models and process flow are also applicable to the development of other formations and fields.

Suggested Citation

  • Haodong Chen & Yan Jin & Wandong Zhang & Junfeng Zhang & Lei Ma & Yunhu Lu, 2022. "Deep Neural Network Prediction of Mechanical Drilling Speed," Energies, MDPI, vol. 15(9), pages 1-20, April.
  • Handle: RePEc:gam:jeners:v:15:y:2022:i:9:p:3037-:d:798673
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