发明名称 |
IMPROVED FLOW CONTROL SYSTEM |
摘要 |
A downhole flow control apparatus comprising: at least one tubular body locatable at a zone of a well, the tubular body having a longitudinal through bore and one or more transverse ports and a port covering device which, in use, is movable from a lower position in which the or each port is covered to an upper position in which the or each port is open; and at least one plugging device which is operable to travel downhole from the surface to locate within and seal the through bore of the tubular body, the plugging device including moving means to cause the port covering device to move from the lower position to the upper position thus allowing fluid communication between the through bore and the or each port. |
申请公布号 |
WO2012160377(A2) |
申请公布日期 |
2012.11.29 |
申请号 |
WO2012GB51162 |
申请日期 |
2012.05.24 |
申请人 |
CALEDYNE LIMITED;MARTIN, DAVID GLEN;VAN DORT, ROLAND MARCEL |
发明人 |
MARTIN, DAVID GLEN;VAN DORT, ROLAND MARCEL |
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