The HCZ ( HU-CHEN-ZHANG) forecast model is for whole course prediction of annual output and cumulative oil recovery in developing oilfields. 利用HCZ(胡-陈-张)预测模型,可以对已开发油田的年产量和累积产量进行全程预测,并且在实际应用中取得了较好的预测结果。
The cumulative production of condensate oil is 70,183 t during the gas-injection period in the testing zone. The recovery level of condensate oil reaches to 39.2%, which is 18.2 percent more than 21% of the recovery factor by natural depletion. 试验区注气期间累积采凝析油7.0183×104t,凝析油采出程度达39.2%,比衰竭式开采的采收率21%提高了18.2个百分点,采收率得到了明显的提高。
The variation of water-cut and cumulative water-oil ratio with the per-centage of recoverable reserves exploited are studied, according to the result of recovery factors of water-flooded sandstone reservoirs exploited in our country by a specified procedure of estimation. 根据我国水驱砂岩油田采收率的标定结果,研究了我国水驱砂岩油田含水率与累积水油比随可采储量采出程度的变化关系。
After a series of integrated adjusting measures were carried out, cumulative incremental oil production was 7.0 × 104t in three years, and the calibrated recovery efficiency was improved 3%. 实施一系列综合调整措施后,该块三年累积增产原油7×104t,标定采收率提高了近3%。
When the cumulative applied strain more than 6%, the alloys subjected to solution treatment and short time aging show declining recovery strain due to the accumulation of plastic deformation and residual induced α′′ phase. 由于塑性变形和诱发α′′相的残留,当累积的加载应变超过6%时,固溶和短时间时效的合金回复应变会随加载应变的增加而降低。
Conclusion: Total knee arthroplasty in perioperative medicine combined program can improve pain in patients, reduce the cumulative postoperative analgesic consumption, and promote early postoperative recovery of knee joint activity. 结论:人工膝关节置换术围手术期联合应用中医药镇痛方案可以改善患者疼痛、减少术后镇痛药物累计使用量,促进术后早期膝关节活动度恢复。
If we can get the blasting mechanism on the roadway o particularly the cumulative effect of blasting, you can guarantee the stability of the roadway and the full recovery of mineral resources, also mine safety personnel. 若能充分了解爆破对回采巷道的作用机理,尤其是爆破的累积作用,就可以提出控制爆破震动效应的措施,从而保证矿产资源的充分回收,矿工人员的生命安全。
On the basis of historical data, we use stepwise regression and a least-squares regression to get some parameters such as correlation coefficient of random variables X1 、 X2, bonds 'default rate, cumulative default rate and recovery rate. 接着在历史数据的基础上,利用逐步回归、最小二乘回归等方法得出了随机变量SX1,X2S的相关系数,违约率,累计违约率和恢复率的表达形式和参数值。