Sand production in oil and gas wells has become a serious problem for unconsolidated reservoir production. 油氣井的出砂已經(jīng)成為困擾疏松油藏生產(chǎn)的一個(gè)嚴重問(wèn)題。
The drilling team is working on a petroleum associated gas well to exploit natural gas. 鉆探隊正在打油氣井，準備開(kāi)采天然氣。
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