A.鉆頭直徑過大B.井斜度大C.壓井液質(zhì)量差D.固井質(zhì)量差
A.正擠樹脂核桃殼→正擠入頂替液→正擠入固化劑→正擠入頂替液→關(guān)井候凝B.正擠固化劑→正擠增孔劑→正擠樹脂核桃殼→關(guān)井候凝C.正擠增孔劑→正擠固化劑→正擠樹脂核桃殼→正擠頂替液→關(guān)井候凝D.正擠樹脂核桃殼→正擠固化劑→正擠增孔劑→關(guān)井候凝
A.洗壓井→起出原管柱→探砂石→沖砂→通井→洗井B.洗壓井→起出原管柱→探砂面→沖砂C.洗壓井→探砂面→沖砂→起出原管柱D.洗壓井→起出原管柱→通井→洗井