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CNOOC XJ24-3-A30 well
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Shengli Oilfield Linpan Oil Production Plant Water Well Acoustic Cavitation Removal Project
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Sealing of the annular space between the casing and riser of a certain well of CNOOC
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Integrity Management of PY30-1-A06 Gas Well Wellbore in CNOOC Panyu Oilfield
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Sealing of Quan 98 in the Fourth Oil Production Plant of Huabei Oilfield
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Shallow plugging of DXX1N8 well in Dongxin Oil Production Plant of Shengli Oilfield