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華北采氣一廠低效井治理再創效益

隨著大牛地氣田大規模開發,老井壓降速率快導致的產能逐年遞減,加上該氣田大部分屬于低壓低滲氣井,隨著生產時間的延續,氣井內產生積液使天然氣生產遇阻,直接影響天然氣產量,華北采氣一廠通過多種措施改善和提高氣井采輸率,保障氣田產量穩定。本文由上海凱太泵業制造有限公司轉載發布。上海凱太泵業主要生產研磨排污泵,G型螺桿泵,QBY氣動隔膜泵,微型隔膜泵,排污泵,消防泵,多級泵,化工泵等。
氣田液體發泡劑和固體泡排棒是一種簡易的氣井助排措施,但對于低壓低產氣井采用藥劑助排措施效果不佳,主要因素為化學藥劑與井內積液接觸后產生的大量低密度含水泡沫,由于氣井壓力過低,自身攜液泡能力差,因此通過引進氣井助排工藝解決低效井生產問題。
該廠主要利用新工藝天然氣壓縮氣舉裝置開展低效井排液作業,提升氣井產量,2017年截止4月25日,累計開展氣舉作業12站次,共對45口氣井進行氣舉作業,施工52天,其中動用井口排液罐車施工11天,壓縮機累計運行240.9小時,舉出積液量93.9方,日增產量15.4萬方/天,累計增產309.1萬方。其中使26口水淹井,釋放產能325天。
目前,天然氣壓縮氣舉工藝已在大牛地氣田推廣應用,主要解決低效井開發難度大的問題,優化助排工藝,為氣田常態化的高效開采提供保障。

核心產品關鍵詞:全自動隔油設備 , 污水提升設備 ,無負壓供水設備 ,切割式排污泵,雙腔無負壓供水設備,一體化泵站,供水加壓泵站

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