Patent ID: 7533732

Claim:
A method for removing a first downhole tool from a borehole and replacing it in the borehole with a second downhole tool, the method comprising: (a) providing a borehole entry apparatus including a tool body having first and second upper passageways in an upper portion thereof, the first and second passageways merging into a single lower passageway in a lower portion of the tool body, the borehole entry apparatus further including first and second valves disposed to selectively open and close the first and second passageways, the first downhole tool deployed in the borehole and connected to a first cable routed through the first passageway, the second downhole tool connectable to a second cable routed through the second passageway, (b) retracting the first downhole tool out of the borehole; (c) disconnecting the first downhole tool from the first cable; (d) retracting a first weight bar above the first valve, the first weight bar being connected to an end of the first cable; (e) closing the first valve after said retracting in (d); (f) opening the second valve; (g) lowering a second weight bar below the second valve, the second weight bar being connected to an end of the second cable; (h) connecting the second downhole tool to the second cable after said lowering in (g); and (i) lowering the second downhole tool into the borehole.