微泡钻井液在文23储7-5井的应用

Advances in Fine Petrochemicals(2018)

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Abstract
针对文23区块地质构造复杂,钻井液技术难度大的特点,本井三开采用微泡钻井液体系.在文23储7-5井的现场应用表明,微泡钻井液能在2 835~3 105 m实现近平衡条件下安全钻进,该钻井液具有成本低、密度低、机械钻速高、能有效地防止漏失、保护气层、承压能力强等特点,钻完井过程未出现井下复杂情况.
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