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A New Model for Predicting Rheological Parameters of Drilling Fluid Suitable for Deep and Ultra-deep Water Drilling in the South China Sea
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Hao-dong CHEN1, Ming LUO1, Chuan-hua MA1, Yu-hang PANG2, Yi-long XÜ1, Ji-wen LIANG1, Bao-jiang SUN2, Bang-tang YIN2, *
Science Technology and Engineering | 2025, 25(6) : 2332 - 2340
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Science Technology and Engineering | 2025, 25(6): 2332-2340
• Papers·Petroleum and Natural Gas Industry •
A New Model for Predicting Rheological Parameters of Drilling Fluid Suitable for Deep and Ultra-deep Water Drilling in the South China Sea
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Hao-dong CHEN1, Ming LUO1, Chuan-hua MA1, Yu-hang PANG2, Yi-long XÜ1, Ji-wen LIANG1, Bao-jiang SUN2, Bang-tang YIN2, *
Affiliations
  • 1 CNOOC China Limited, Hainan Branch, Haikou 570300, China
  • 2 China University of Petroleum (East China), Qingdao 266580, China
Published: 2025-02-28 doi: 10.12404/j.issn.1671-1815.2403069
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The rheological parameters of drilling fluid have an important impact on accurately predicting the hydraulic parameters of deepwater and ultra-deepwater drilling wells. The rheological experiments were carried out on commonly used HEM(high efficient mud) drilling fluids and synthetic-based drilling fluids in the deep waters of the South China Sea under conditions of 4 to 210 ℃ and 30 to 180 MPa. The variation laws of rheological parameters such as apparent viscosity, plastic viscosity, and dynamic shear stress with temperature and pressure were revealed in a wide range of temperature and pressure. Based on the experimental data, nine existing rheological models were compared and evaluated. It was found that the Ross model is suitable for synthetic-based drilling fluid, and the Herschel-Bulkley model is suitable for HEM drilling fluid. On this basis, a general predictive model for rheological parameters of HEM and synthetic-based drilling fluids was created, which is applicable to alternating high and low temperatures, high and low pressures. The maximum error of this model is 11.95%, with an average error of 0.62%, which is better than existing models.The bottom hole pressure error is 0.28% when using HEM drilling fluid and 0.181% when using synthetic drilling fluid, which can meet the requirement of deep water drilling in the South China Sea.

deep and ultra-deep water  /  high and low temperature and pressure alternations  /  synthetic-based drilling fluid  /  HEM drilling fluid  /  rheological model
Hao-dong CHEN, Ming LUO, Chuan-hua MA, Yu-hang PANG, Yi-long XÜ, Ji-wen LIANG, Bao-jiang SUN, Bang-tang YIN. A New Model for Predicting Rheological Parameters of Drilling Fluid Suitable for Deep and Ultra-deep Water Drilling in the South China Sea[J]. Science Technology and Engineering, 2025 , 25 (6) : 2332 -2340 . DOI: 10.12404/j.issn.1671-1815.2403069
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Year 2025 volume 25 Issue 6
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Article Info
doi: 10.12404/j.issn.1671-1815.2403069
  • Receive Date：2024-04-25
  • Online Date：2025-07-27
  • Published：2025-02-28
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History
  • Received：2024-04-25
  • Revised：2024-12-15
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Affiliations
    1 CNOOC China Limited, Hainan Branch, Haikou 570300, China
    2 China University of Petroleum (East China), Qingdao 266580, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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