Downhole operation of fire and explosion protection

1. Reasons for fires and explosions at the wellsite (1) Illegal operations are not performed in accordance with the “Fire Regulations” and “Ignition after pre-ignition”. Or sweep the line with natural gas, causing explosions of natural gas from open flames and electric fires.
(2) Motors are overloaded, ordinary heads and switches are used inside the wells and stations, the wires are too loose, and the short-circuit fire causes explosion.
(3) Smoking in the wellsite, use of an open flame, use of electric welding, wearing a shoe with iron nails, or ironworks colliding with a fire and causing a fire.

(4) The exhaust pipe of the working machine platoons Mars, and the boiler chimney emits sparks; the gas in the hearth of the heating furnace is not ignited and is ignited, causing the furnace to ignite and explode.

(5) There are oil and weeds outside the wellsite, and the fire at the wellsite has caused fire due to burning or off-site fire.

(6) Ignition caused fire.

2. Wellsite fire and explosion protection

According to the above reasons of fire, smoking and use of open flame are strictly forbidden in the construction site of the construction site. When the wellsite is used for the construction of hot-welded wellheads or pipelines, the firefighting procedures must be handled. Without approval by relevant departments, there are no strict safety measures. Any unit or individual It is forbidden to use fire for construction; when using electric heating pipes in winter construction, contact with flammable materials is strictly forbidden; ironworks are not allowed to strike in the wellsite; shoes with iron nails are not allowed to wear rubber-soled shoes; and all construction workers are Fire prevention and fire extinguishing education make workers attach importance to fire protection and explosion protection. Everyone will use fire fighting facilities.

3. Wellsite fire treatment

(1) Immediately report immediately to the higher authorities and report the fire to the police.

(2) Cut off the oil, gas, and power supply, release the pressure inside the container, and isolate or remove flammable materials.

(3) A fire or a small area of ​​fire is to be quickly extinguished. Foam extinguishers, sand, etc. can be extinguished. If you do not extinguish, you must control the fire and try to prevent it from spreading to the direction of oil and gas.

(4) The fuel tank and the oil tank are on fire. Do not use water to extinguish the fire. Use a dry powder fire extinguisher or foam fire extinguisher to extinguish the fire.

(5) When the appliance is on fire, use a dry powder fire extinguisher or a 1211 fire extinguisher to extinguish the fire.