These pay zones were thin, with poor property and scattered distribution in space and had complicated relationship with the watered out pay zones and using the existing well pattern they were difficult to produce oil.
这部分潜力油层薄、物性差、空间分布高度零散、与水淹油层关系复杂 ,依靠现有井网难以有效动用。
参考来源 - 大庆喇萨杏油田三次加密调整的实践与认识·2,447,543篇论文数据,部分数据来源于NoteExpress
Severe deposit build-up caused an existing well to lose production within days of being brought online.
一口生产井发生了严重的沉积物聚集,导致在投入生产后的几天内就丧失了产能。
Enterprise existing well-trained staff of 220 people, accountants 4, economist 7, four engineers, technicians and 57.
企业现有训练有素的员工220余人,会计师4人,经济师7人,工程师4人,技术员57人。
An existing well provides water for the house, and a small solar electrical system sits away from the house to provide for basic electrical power use.
现有水井为房屋供水,一个小型太阳能电力系统位于远离房屋的地方,提供基本的用电。
They were asked about their diet and day-to-day activities, as well as any pre-existing diseases.
VOA: special.2010.06.30
Because if B was just another word for, another way of talking about, A, then to imagine A existing but B not existing would be imagining A existing but-- well, B is just A--A not existing.
因为如果B只是,A的另一种表达方式,那么认为A存在而,B不存在就是认为A存在但,B,也就是A,却不存在
They were asked about their diet and lifestyle habits as well as any pre-existing diseases.
VOA: standard.2010.06.25
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