At all times a two-foot minimum pipe with suitable gate valve in good working condition shall be connected to the casing for the purpose of bleeding off casing pressure and for a hook-up to inject water, mud or cement to kill the well during an emergency.
(`78 Code, § 14.20.010.)
(A) Protection shall be provided at all times to prevent the blow-out of an oil well during drilling or redrilling it. The protection shall conform with all the requirements of the Petroleum Safety Orders, as provided in the State Administrative Code. The equipment must be installed properly at all times on the well head and be in operating condition. At all times a well is not being serviced, the well head or tubing head shall be securely bolted, gasketed and maintained to prevent blow-out or leakage.
(B) In the following instances, protection conforming to the requirements of the Petroleum Safety Orders – Drilling and Production, as provided in the State Administrative Code, shall be provided to prevent the blow-out of an oil well:
(1) During perforating, shooting or cutting off a string of casing;
(2) During well-servicing operations on a well that has sufficient gas pressure to cause the well to flow or where the gas pressure is unknown.
(`78 Code, § 14.20.020.)
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