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白73天然气井钻井技术

Special Oil & Gas Reservoirs(2006)

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Abstract
白73井是1口深层天然气井,靶径小,位移大,井眼轨迹控制困难,同时天然气井井下安全问题突出,钻井液性能调节难度大。应用动力钻具配合高效PDC钻头钻井技术,保证了井身质量和钻井速度;应用聚磺钾盐钻井液体系及相关安全技术措施,保证了井下安全。该井投产后,用5mm气嘴求产,日产天然气6×104m3,获深层天然气勘探重大突破。
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Key words
operation effect,Well Bai73,polysulfonate potassium drilling fluid,gas well,safety measure,drilling operation difficulty,well trajectory
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