The Rebco SP Sand Pump Bailer is a pump-action debris recovery tool that removes accumulated sand, scale, loose solids, and wellbore debris from the tubing or casing bore using a conventional reciprocating piston lift-pump mechanism. The tool consists of a top sub with a fishing neck, a piston assembly within the main barrel, and an interchangeable bottom valve shoe, available in ball, flapper, or junk-catcher configurations to suit different debris types and wellbore conditions. As the tool string is alternately lowered and raised at the surface, the piston moves up and down within the barrel: on the downstroke, the bottom valve opens, and debris-laden fluid enters the barrel below the piston; on the upstroke, the bottom valve closes, and the piston lifts the captured material upward within the barrel, loading the tool for retrieval.

For large-volume debris accumulations where a single barrel capacity is insufficient, the Sand Pump Bailer can be converted to a tandem configuration by connecting a double-pin sub and an additional barrel below the primary unit, effectively doubling the recovery volume without requiring an additional wireline run. The operator should move the tool slowly downward onto the debris accumulation and then raise it sharply and repeatedly to maximize pump efficiency. At least 15 pump strokes are recommended before retrieving the tool to assess recovery. If debris has hardened or compacted to a point where pump action alone is insufficient, chemical solvents or mechanical loosening by light jar-down action prior to bailer deployment can improve results.

Available with ball-type, flapper-type, or junk-catcher-type bottom shoe configurations, all of which are also available with optional mule shoe bottoms for guided approach. Standard barrel length is 5 ft. Available in 1½"–3" OD.