| 摘要 |
<p>A straddle apparatus deploys in a borehole with tubing to treat a formation. The apparatus has first and second packer elements and a flow element disposed on the apparatus. The first and second packer elements have fill ports in fluid communication with the tubing and have packer valves, biased to open fluid communication between the packer elements and the fill port for inflating the packer elements to isolate the borehole when fluid pressure is applied. Once the elements inflate, one or more control units on the apparatus electronically activate the at packer valves to close fluid communication between the packer elements and the fill ports. Then, the one or more control units electronically activate the flow valve to open fluid communication between the flow port and the borehole so treatment can be applied to the formation zone in the isolated borehole section.</p> |
