API 6A Annular BOP:

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blow-out preventer (BOP)

BOP is shut in the well for oil testing, workover, well completion and operating process to prevent the blowout accident, totally enclosed and semi-closed two functions into one, has a simple structure, easy to operate, resistant to high-pressure characteristics is used to prevent blowouts safety oilfield sealing wellhead.
Oil drilling, installed at the wellhead casing head, used to control the high pressure oil, gas, water blowout. Wells of oil and gas pressure is high, the BOP can be the wellhead closed (shut). The shutter has four, alternatively bullied invaded mud, increasing the pressure of the borehole fluid column, so as to suppress the high-pressure oil and gas discharged from the drill pipe is pressed into the heavy mud.

Dongying Kangyu Petroleum Engineering Technology Service Co., Ltd. is located in the second largest Oilfield-Shengli Oilfield, Dongying City, Shandong Province, China. We are a professional supplier of oil drilling equipment and accessories based on professional technology.