Abstract: A junk basket comprises a sleeve sized to fit within a well bore. The sleeve has a bore therethrough, an internal latch at its top end for connection to a complementary retrieval tool having an external latch. A basket floor is movable axially in the bore between a first position intermediate the axial length of the sleeve, and a second position resting on a retaining shoulder at the bottom of the sleeve. In a well bore, the basket floor is supported at the first position, preferably on a retrievable bridge plug, and debris is collected in the defined volume above the floor. When the basket is lifted during retrieval, the basket floor falls to the second position, increasing the collection volume, loosening the debris and loosening the basket in the well bore for ease of retrieval. Further, a novel method of jointly deploying a junk basket and bridge plug results. The basket is connected to the plug and a setting/insertion tool passes through the basket's bore and through a port in the basket floor.

Abstract: A retrievable bridge plug having an internal bypass passage and external retrieving lugs, and a retrieving tool therefor. When the bypass passage is sealed, both the top and bottom openings of the bypass passage are closed, preventing debris from entering the bypass passage through either opening. A directing shroud is provided adjacent the top opening of the bypass passage, such that when the bypass passage is opened, part of any fluid flowing uphole through the bypass passage is directed over the retrieving lugs, clearing them of any debris and facilitating latching by the retrieving tool. The shroud also prevents debris from packing around the top opening of the bypass passage. A retrieving tool is also provided, which retrieving tool, through cooperation of a sleeve having a “J” shaped slot, and an inner latch sleeve having a straight slot, locks the retrieving tool onto the retrieving lugs.

Abstract: A retrievable bridge plug having an internal bypass passage and external retrieving lugs, and a retrieving tool therefor. When the bypass passage is sealed, both the top and bottom openings of the bypass passage are closed, preventing debris from entering the bypass passage through either opening. A directing shroud is provided adjacent the top opening of the bypass passage, such that when the bypass passage is opened, part of any fluid flowing uphole through the bypass passage is directed over the retrieving lugs, clearing them of any debris and facilitating latching by the retrieving tool. The shroud also prevents debris from packing around the top opening of the bypass passage. A retrieving tool is also provided, which retrieving tool, through cooperation of a sleeve having a “J” shaped slot, and an inner latch sleeve having a straight slot, locks the retrieving tool onto the retrieving lugs.