Judging from the current situation of crude oil extraction, under the influence of various factors such as underground pressure, crude oil will overflow. If not intervened and controlled, the overflow will cause well kicks and blowouts, which will not only bring about crude oil production. Huge losses will also cause serious threats to the lives of construction workers.
From the experience of historical blowout accidents, it can be known that only comprehensive monitoring and control of downhole oil flow are required. In the process of downhole operations in the oil field, well control work must be done carefully.
In order to effectively prevent the occurrence of well kicks and blowouts, and to ensure the realization of oilfield safety production. Therefore, we should conduct an in-depth analysis of the problems existing in downhole operations in oilfields, and combine the actual downhole operations in oilfields to formulate corresponding countermeasures to effectively solve the problems of downhole operations and well control, achieve the purpose of eliminating blowout hazards and improving the quality of downhole operations.
In the process of oil and gas field exploitation, because the underground pressure situation is very complicated, if the downhole pressure is not intervened and controlled during the downhole operation, it is very easy to cause the kick and blowout, which will harm the exploitation of the oil and gas field and bring more to the exploitation of the oil and gas field. Safety hazards.
Based on this understanding, for the purpose of improving the effectiveness and safety of oil and gas field production, it is necessary to fully realize the necessity of panic in downhole operations in oilfields, carefully analyze the problems of well control in downhole operations in oilfields, and deal with the problems of blowout accidents in downhole operations in oilfields. In-depth analysis of the reasons and formulation of specific well control countermeasures for downhole operations in oil fields will fundamentally improve the safety of oil and gas field production and ensure the safety of oil and gas field production.
At present, the small operation BOP is mostly manually cleaned up, the cleaning medium is normal temperature water or gasoline. This way have the disadvantages of high labor intensity and poor cleaning effect. Especially for small operation BOPs that have been used for a long time, the surface is heavily greasy dirt and difficult to clean up.
To solve this problem, Sanjck Group developed a high temperature and high pressure automatic cleaning device, which is suitable for automatic cleaning greasy dirt on the outer surface and inner hole of small BOP.
This product is a kind of high temperature and high pressure automatic cleaning device, it is suitable for outer surface and inner hole automatic of the small operation BOP in the oilfield. It consists of platform, car, guide rail, cleaning tank. The central cylinder is set in the center of the cleaning box, and 6 to 10 peripheral oil cylinders are equipped around the center cylinder . There is a center nozzle assembly in the F end of the central cylinder, a peripheral nozzle assembly in the bottom of the peripheral cylinder.
Central nozzle assembly connect with central water pipe, the peripheral nozzle assembly connect with peripheral water pipe, the central nozzle assembly and the peripheral nozzle assembly can be moved up and down respectively by the central cylinder and the peripheral cylinder. The high-temperature and high-pressure water passes through the central water pipe and the peripheral water pipe to reach the central nozzle assembly and the peripheral nozzle assembly to spray water, thereby achieving all-round cleaning of the outer surface and inner hole of the work small BOP. This product has a compact structure, small volume, good cleaning effect, no dead angle and no liquid splash.
The product consists of a platform 10, a small fleet guide rail 11 and a cleaning tank 9. In the center of the cleaning tank 9 a central oil cylinder 1 is provided, 6-10 peripheral oil cylinders 3 are arranged around the central oil cylinder 1, and the lower end of the central oil cylinder 1is equipped with the central nozzle assembly 5 , and the lower end of peripheral cylinder 3 is equipped with the peripheral nozzle assembly 6 , the central nozzle assembly 5 is connected to the central water pipe 2, the peripheral nozzle assembly 6 is connected to the peripheral water pipe 4.The central nozzle assembly 5, the periphery nozzle assembly 6 can be moved up and down by the central cylinder 1 and the peripheral cylinder 3 respectively.
The cleaning box 9 is installed on platform 10. Platform 10 is equipped with a trolley 11 and a little car 8 is installed on the guide rail 11. Trolley 8 is on the guide rail 11 Can move freely back and forth. When performing the cleaning operation, install the small operation BOP7 on trolley 8 and then push trolley 8 into cleaning tank 9 along the guide rail 11 and turn on the high temperature and high-pressure water switch.
The high temperature and high-pressure water pass through the central water pipe 2 and the peripheral water pipe 4 reach the center nozzle assembly 5 and the outer nozzle assembly 6 to spray water, and the electric-air valve controls the center cylinder 1 and the outer cylinder 3 to move up and down, so as to realize the all-round cleaning of the outer surface and inner hole of the small BOP 7.
In the process of downhole operations and well control in oil fields, safe production is an important measure to ensure that downhole operations have positive effects, eliminate potential safety hazards in downhole operations, and eliminate well kick and blowout accidents. To this end, we should focus on solving well control problems in downhole operations in oilfields from several perspectives such as process design and well control management, staff training, safety system implementation, and downhole operation supervision and inspection.