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Steering Performance Optimization of Directional Drilling Tools under Single-wing-rib Failure Conditions
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Yan-jun LIU1, 2, Ling JI3, Qian-wei LIANG3, Li-gang LI1, *, Xian-feng HAO4
Science Technology and Engineering | 2026, 26(11) : 4644 - 4651
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Science Technology and Engineering | 2026, 26(11): 4644-4651
• Petroleum and Natural Gas Industry •
Steering Performance Optimization of Directional Drilling Tools under Single-wing-rib Failure Conditions
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Yan-jun LIU1, 2, Ling JI3, Qian-wei LIANG3, Li-gang LI1, *, Xian-feng HAO4
Affiliations
  • 1 College of Oceanography and Space Informatics, China University of Petroleum (East China), Qingdao 266580, China
  • 2 COSL-UPC Allied Offshore Oil Engineering Technology Institute, Beijing 101149, China
  • 3 China Oilfield Services Limited, Beijing 101149, China
  • 4 College of Control Science and Engineering, China University of Petroleum (East China), Qingdao 266580, China
Published: 2026-04-18 doi: 10.12404/j.issn.1671-1815.2503947
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To address the steering performance loss resulting from the inability to maintain preset magnitude and direction of guiding force due to single-wing-rib failure in directional drilling tools, a steering performance optimization model was developed for single-rib failure scenarios. A periodic guiding force-borehole trajectory model was established, along with trajectory calculation method under unsteady guiding forces. A minimization model of trajectory endpoint deviation within sleeve rotation cycles was developed, accompanied by a guiding performance evaluation criterion for unsteady guiding conditions. An improved sparrow search algorithm(ISSA) dynamically adjusted thrusts of functional ribs, effectively enhanced guiding force efficiency and minimizied trajectory deviations during sleeve rotation cycles. Results show that the model essentially eliminates trajectory deviations and fully restores steering performance under trip-free conditions when the guiding force is ≤50% of the maximum value. Beyond this threshold, it still significantly mitigates performance loss, but the mitigation effect gradually diminishes with increasing guiding force. This optimization model effectively reduces the steering performance loss of drilling tools under single-wing-rib failure conditions and demonstrates significant engineering application value.

directional drilling tools  /  single-rib-failure condition  /  steering performance optimization  /  improved sparrow search algorithm
Yan-jun LIU, Ling JI, Qian-wei LIANG, Li-gang LI, Xian-feng HAO. Steering Performance Optimization of Directional Drilling Tools under Single-wing-rib Failure Conditions[J]. Science Technology and Engineering, 2026 , 26 (11) : 4644 -4651 . DOI: 10.12404/j.issn.1671-1815.2503947
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Year 2026 volume 26 Issue 11
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Article Info
doi: 10.12404/j.issn.1671-1815.2503947
  • Receive Date：2025-05-27
  • Online Date：2026-07-31
  • Published：2026-04-18
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  • Received：2025-05-27
  • Revised：2025-09-06
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Affiliations
    1 College of Oceanography and Space Informatics, China University of Petroleum (East China), Qingdao 266580, China
    2 COSL-UPC Allied Offshore Oil Engineering Technology Institute, Beijing 101149, China
    3 China Oilfield Services Limited, Beijing 101149, China
    4 College of Control Science and Engineering, 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
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
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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