詞語：underbalance
underbalance的解釋
underbalancen. 欠平衡
underbalance的意思
underbalance 欠平衡，欠平衡的;平衡不足;欠平衡 平衡不足;不完全補償;Underbalance perforating 負壓射孔;controlled underbalance 適當負壓;
underbalance的參考例句
1.The gas underbalance pressure drilling test for protecting reservoir was carried out in two holes. 開展了2口保護儲層的天然氣欠平衡鑽井試驗。
2.Shaped charges of the same sort are underbalance perforated in three kinds of sandstones in the lab. 在實驗室條件下，用同種聚能射孔彈在3種不同砂岩上進行負壓射孔，然後進行流動測試。
3.the smaller the underbalance pressure difference, the stronger the backwash imbibition; extremely small underbalance pressure will lead to poor formation protection; 欠平衡壓差越小，逆流自吸作用越強，過小的欠壓值不能起到欠平衡鑽井保護儲層的作用；