在口井前，我将停留。
防止修井井喷需要修井前对井喷风险进行评价，针对不同风险井区采用不同修井措施。
Preventing blowout needs risk evaluation for workover blowout before operation, we could make different measurements due to risk evaluation in different oilfield.
入井前，带班队长或司钻要用合适的测量规核实扶正器、扩眼器、钻头，确保尺寸合适。
The Toolpusher or Senior Driller shall verify all stabilisers, reamers and bits will be gauged with appropriate ring gauge to ensure proper size before running in the hole.
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