ANALYSES OF THE HIJIORI LONG TERM CIRCULATION TEST

机译：HIJIORI长期循环测试的分析

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Analyses have been completed to evaluate differentoperating strategies for the Hijiori Long TermCirculation Test (LTCT). To ensure that theGeocrack2D model used to represent the LTCT wasvalid, 1991-1996 testing at Hijiori was firstsimulated. After reasonable matches were obtainedwith the existing data, the model was used to predictbehavior during the two year long LTCT. Five caseswere analyzed: (1) a nominal case with injectionflow of 16 kg/s, (2) a case with half the nominal flow,(3) a case with double the nominal flow, (4) a casewhere HDR-2a was blocked at the lower fracture(selected to block the observed cold flow at the lowerfracture in HDR-2a), and (5) a case with enhancedconnectivity between the lower and upper fracture.In all cases, injection was in HDR-1, with productionfrom HDR-2a and HDR-3.For the nominal case, the HDR-2a mixed productiontemperature is predicted to reduce from 240 C to 180C while the HDR-3 temperature remainsapproximately constant at 240 C. The highestproduction temperatures occur for Case 4, when thelower fracture is blocked in HDR-2a, with the finalproduction temperature after two years being 214 C.

机译：分析已经完成以评估不同 Hijiori长期的经营策略循环测试（LTCT）。为了确保用于表示LTCT的Geocrack2D模型是有效，1991-1996年在Hijiori进行的测试是第一次模拟。在获得合理的匹配之后根据现有数据，该模型用于预测在为期两年的LTCT中的行为。五例分析：（1）注射名义病例流量为16 kg / s，（2）是标称流量的一半的情况，（3）公称流量两倍的情况，（4）一种情况 HDR-2a在下骨折处受阻（选择此选项可阻止在下方观察到的冷流 HDR-2a骨折），以及（5）上下骨折之间的连通性。在所有情况下，注射都是在HDR-1中进行的，来自HDR-2a和HDR-3。对于名义情况，HDR-2a混合生产预计温度将从240摄氏度降低至180摄氏度，而HDR-3温度保持不变大约在240°C恒定。最高情况4会产生生产温度下骨折在HDR-2a中受阻，最终两年后的生产温度为214C。

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《Twenty-fourth workshop on geothermal reservoir engineering》|1999年|1-7|共7页
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D. Swenson; R. Schroeder; N. Shinohara; T. Okabe;
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机译：Hijiori长期循环试验的分析
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ANALYSES OF THE HIJIORI LONG TERM CIRCULATION TEST

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