The measures of throttling are used widely in naturalgaswell.
天然气井井下节流已在许多气田应用。
2
The yield of a naturalgaswell in an oilfield dropped suddenly, which was due to the piston sheath of the choke valve breaking into three parts with two pairs of fractures after inspection.
某油田一天然气井的产量突然下降，经检查发现该井采气装置中的节流阀柱塞套断裂为三截，形成了两对断口。
3
Well, there were other energy choices like oil and naturalgas, right?