| 摘要 |
<p>The present invention is a surface controlled gas lift valve (8) designed for high flow rates and used in a subterranean well, including a valve (16) for sealable insertion in a mandrel (14), having a variable orifice which alternately permits, prohibits, or throttles fluid flow into t he valve (16), and a detachable and/or remote actuator (20). The valve (16) can be actuated by an electromechanical actuating assembly while a sensor (34) can relay the position of the variable orifice to a panel on the surface. The orifice valve (16) and the actuator (20) may be separately installed in or retrieved from the mandrel by either wireline or coiled tubing intervention methods.</p> |
