\*ROI, 或投資回報率，是根據您的石油總產量相對於您在油田的初始投資的 VIM 價值計算的。
{% hint style="info" %}
由於石油價格的波動，產出石油代幣的絕對數量可能會發生變化，但根據 VIM 或 USDT 計算的價值將保持不變。
{% endhint %}
### 架設油井
身為油田的榮耀持有者，您距離成為石油大亨的夢想又近了一步。然而，切勿以為黑金會自動湧現地表之上 — 為了設置鑽井設備，您需支付一定數額的 VIM 或 $Oil 費用。務必做好萬全準備，方能在石油世界中穩健邁進。
{% hint style="info" %}
不過，這裡還有一個令人振奮的好消息：如果您是 Gen 0 油田的幸運擁有者，您將獲得免費的鑽井設備！這無疑將為您節省資源，讓您在石油世界中取得更大的優勢。
{% endhint %}
在成功架設鑽井設備後，您便可坐享收益。珍貴的石油將源源不絕地產出，直至儲量耗盡。您只需每隔 24 小時訪問一次您的油田，收集所開采的石油。過程就是如此輕鬆簡單！
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