E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/12 (2006.01) E21B 23/02 (2006.01) E21B 33/04 (2006.01) E21B 33/10 (2006.01) E21B 34/06 (2006.01)
Patent
CA 2272679
A safety valve and pump apparatus has an electric pump, a safety valve, a packing means, a continuous length of tubing extending from the surface to the location of the safety valve and pump, a control means provided to operate the safety valve and the pump, and a transmission means disposed along the tubing to transmit signals from the control means to the safety valve and the pump. The tubing, the safety valve and the pump are all being concentrically aligned. Ideally, the tubing is coiled tubing, and the transmission means includes an electric cable. The electric pump is releasably attached to the safety valve by pump connection means, so that the pump may be disconnected from the apparatus above and left in the well, and may afterwards be retrieved. Likewise, the safety valve is releasably attached to the packing means by packer connection means.
Head Philip
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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