Strictly off of well control, and pay attention to the formation pressure gas reservoir gas composition changes and do the blowout preventer, anti-poisoning prevention measures and emergency

Strict control of wells drilled into attention is at any time, and air pressure, air group possession changes, as well as anti-injection, anti-poisoning prevention, preparedness and response

Yan Bajing controls the pass, pays attention to the formation pressure, the gas pool as necessary was mad the component change and so on, completes blowout suppression, guards against prevention countermeasures and the emergency predetermined plan and so on the poison

Strict well-control control to keep formation pressure, gas reservoirs in gas composition changes, Blowout Prevention, anti-poisoning and other preventive measures and contingency plans

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