| 摘要 |
<p>A blowout preventer, flow regulator and recovery device, comprising a lower part or valve (10) that is placed over a well pipe (P), and an upper part having a channel (16) and plates (32) to close it. The large end (15) of the valve is placed over the well pipe through which fluid is flowing out. The small end (13) of the valve is connected to the channel. A sleeve (80) connected to the return pipe (20)is placed over the well pipe. Positioning rings (98, 100 and 102) are attached to a high pressure pipe (24), that can fit inside the well pipe.</p> |
