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Sinopec News Network reported on April 6, 2021, the Yizhiye 2HF Well, which was drilled by the 50812JH drilling team of Jianghan Petroleum Engineering Drilling No.
Due to the extremely unstable formation, stuck in the well, difficulty in passing the well, and mud pollution occurred during the completion of the second opening, and production was once stalled.
Entering the construction of the three-open horizontal section, the "ant body" gap will cause serious leakage and diameter reduction.
In the construction of the Yizhiye 2HF well, the 50812JH team adopted unconventional treatment methods in equipment maintenance, downhole complex pre-control, mud performance maintenance, and drilling tool optimization selection, etc.
(Yuan Dejun Hou Youkang)