Patent ID: 7409995

Claim:
An apparatus for washing undesirable matter off of the exterior of tubular conduits forming a conduit string, during trip out from within a subterranean well, comprising: (a): a cylindrical housing having first and second opposite ends and; (b): a removable elastomeric seal means across each of said first and second ends and selectively attached relative to said cylindrical housing, each said seal means defining an open passageway there through disposed centrally there across and sized for introduction of said tubular conduits into and out of said cylindrical housing and including a circumferentially extending lip area facing said passageway for snug, wiping contact around the exterior of the tubular conduits during movements of the conduit string into and out of the cylindrical housing; (c): means for selectively attaching and removing said elastomeric seal means from said apparatus and for replacing said seal means with other seal means; (d): a plurality of wash means placed circumferentially within and around the interior of the cylindrical housing for directing a cleaning fluid under pressure toward and upon the tubular conduits as the conduit string passes through the cylindrical housing during trip out from within the subterranean well; (e): means for introducing a cleaning fluid into the wash means; and (f): means for recovering and removal of the cleaning fluid from within the cylindrical housing subsequent to directing of the cleaning fluid toward and upon the tubular conduits.