First Lockout tagout operation in the field

4th oil recovery plant and maintenance of power management center three electrician as head is responsible for the 1606 line repair work, in the spring a station line of the first circuit breaker at the exit of the suspension of substation grounding line, and on the earth with a collective lock locks, lock respectively, attached to the lock "danger, no operation" after the signature of the warning signs, Just organized the personnel to start the spring inspection of the distribution system.

According to the safety management department of the oilfield company, the "Lockout tagout" operation method adopted by the center in this spring inspection is the first time in the North China oilfield.

The so-called "Lockout tagout" operation is the practice of installing single lock or collective lock and hanging label identification through the beginning of the power line and process pipe network that is being repaired and maintained to prevent accidental release of dangerous energy such as current and oil and gas from causing personal injury or property loss due to misoperation.

The procedure of Lockout Tagout consists of five steps: identification, isolation, locking, confirmation and test. Identification, i.e., identification of all sources of hazardous energy and materials before Lockout tagout; Isolation, that is, to identify the dangerous energy isolation point and type; Locking, i.e. selecting appropriate locks and labels according to the isolation list; Confirm that all hazardous materials are removed from the site and hazardous energy has been isolated; Testing, that is, confirming that hazardous energy or materials are isolated and communicated.

"In order to ensure the safety of maintenance, last year, the central variable rod circuit breaker outage procedure 'five steps' to' six steps', more than a safety assurance." Kang Qingbo, director of the center, said: "Since there is no physical lock, the traditional practice of replacing 'Lockout tagout' with 'warning signs' is not a real' Lockout tagout 'and has potential safety risks. This year, the center has secured the safety of power distribution overhaul by Lockout tagout.