Multifunctional oil-collecting control device for oil extraction pore

• Main Author: XINWEN,XUE HU
• Format: Patent
• Language: English
• Published: 20.06.2007
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The utility model relates to a well-head controlling device, the technical project is that the device comprises a main body (4), an entrance, an exit and an interface I are provided thereon. The entrance, the exit and the interface I pass through a channel inside the main body (4) and are communicated with each other. The exit is provided with a one-way valve. A control port is arranged at the side of the main body correspondingly to the exit. A two-way control valve device is arranged at the control port and is directly communicated with the exit. The two-way control valve device comprises a two-way valve plug, a screw rod and a screw insert, in which the screw insert is arranged inside the control port and connected with the two-way valve plug and the screw rod, and one end of the two-way valve plug is sealably arranged with the exit and the other end is sealably arranged with the port of the interface I. An anti-theft plug is arranged outside the screw insert of the control port. The device has the advantages of compact structure, stable and reliable operation, flexible use, and good function of guard against theft.