GEOTHERMAL DISTRIBUTION RULE OF SHUNHEXI OREFIELD IN YONGCHENG CITY, HENAN PROVINCE
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摘要:
对永城市顺河西矿区内2个近似稳态测温和44个简易测温数据进行分析，并结合矿区地质资料，通过数据拟合，建立数据模型，反映了矿区内似稳态测温钻孔孔底温度增量ΔT与钻机静井时间t的关系.根据数据模型校正了简易测温钻孔的孔底温度，通过数据拟合发现矿区埋深与温度之间的线性关系.在此基础上，从横向上和纵向上分析了顺河西矿区的地温分布规律，为下一步矿山开发提供参考依据.
Abstract:The paper analyzes the data for approximate steady state temperature measurements of 2 boreholes and simple temperature measurements of 44 boreholes in Shunhexi orefield of Yongcheng City, and establishes data model through data fitting combined with the geological information of orefield to reflect the relationship between temperature increment at the bottom of approximate steady state boreholes and static well time. The bottom temperature of simple temperature measurement borehole is corrected according to the data model, and the linear relationship between buried depth and temperature is found through data fitting. On this basis, the horizontal and vertical distribution law of geothermal temperature in the study area is analyzed for reference of further mining development.
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Key words:
- geothermal field /
- geothermal gradient /
- numerical simulation /
- Yongcheng City /
- Henan Province
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表 1 近似稳态测温孔ΔT-t关系统计表
Table 1. Relationship between temperature recovery increment and time of approximate steady state boreholes
Z0103孔 Z0708孔 t/h ΔT/% t/h ΔT/% 2 5.75 3 6.36 14 3.38 15 2.79 26 1.82 27 1.02 50 0.36 51 0.43 74 0.07 75 0.08 
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表 2 简易测温钻孔校正后的孔底温度
Table 2. Corrected bottom temperature of simple temperature measurement borehole
孔号 Tj/℃ t/h ΔT/% To/℃ Z0102 44.52 7.9 0.0439 46.56 Z0303 42.85 7.5 0.0449 44.86 Z0304 37.95 7.7 0.0443 39.71 Z0305 46.59 7.0 0.0459 48.83 Z0402 41.01 6.4 0.0471 43.04 Z0405 39.43 6.7 0.0465 41.35 Z0410 50.20 7.2 0.0454 52.59 Z0502 44.77 7.3 0.0453 46.89 Z0503 42.51 6.9 0.0462 44.57 Z0504 38.30 6.4 0.0471 40.19 Z0506 31.74 7.5 0.0448 33.23 Z0509 46.60 7.6 0.0447 48.78 Z0510 36.33 7.4 0.0450 38.04 Z0701 37.18 6.5 0.0470 39.02 Z0702 36.91 6.1 0.0479 38.77 Z0703 42.93 6.1 0.0478 45.09 Z0901 36.49 6.3 0.0474 38.31 Z0902 36.38 7.1 0.0457 38.12 Z0903 46.05 7.9 0.0439 48.16 Z0904 44.42 7.4 0.0450 46.51 Z1002 39.42 7.4 0.0451 41.28 Z1003 45.37 6.8 0.0463 47.57 Z1201 45.66 6.1 0.0478 47.95 Z1202 44.34 6.0 0.0480 46.57 Z1402 45.41 6.7 0.0464 47.62 Z1601 48.75 6.1 0.0478 51.2 Z1901 35.13 7.2 0.0455 36.8 Z1902 43.08 6.3 0.0474 45.22 Z1904 41.71 7.6 0.0445 43.65 Z2401 38.20 6.4 0.0471 40.09 Z0101 46.97 7.0 0.0459 49.23 Z0201 33.30 7.3 0.0452 34.88 Z0205 40.97 7.4 0.0450 42.9 Z0207 44.62 6.2 0.0475 46.85 Z0306 53.14 7.0 0.0458 55.69 Z0403 40.38 6.7 0.0465 42.35 Z0407 42.83 7.9 0.0440 44.8 Z0408 40.56 7.9 0.0440 42.43 Z0409 41.89 7.6 0.0447 43.85 Z0507 38.59 6.6 0.0467 40.48 Z0508 41.70 6.9 0.0461 43.72 Z0606 43.38 6.0 0.0480 45.57 Z0607 44.86 7.2 0.0454 46.99 Z1903 36.28 7.0 0.0459 38.02
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