The utility model relates to an exempt from to bore stopper well workover with little sleeve pipe tubular column, including the tubular column body that is arranged in going into down former well sleeve pipe and upper end to former well sleeve pipe well head, the position that is close to the lower extreme on the tubular column body is equipped with and is arranged in preventing the stifled dose anti - single current valve of telling of annular space grout or chemistry to the annular space injected water mud between former well sleeve pipe and the little sleeve pipe tubular column or the stifled agent of chemistry and when the backwash well. The tubular column body including connecting concatenating the little sleeve pipe of multisection and connecting the little sleeve pipe of a lesson at the exit end of single current valve at the entrance point of single current valve together. Owing to be equipped with the single current valve on the sleeve pipe tubular column, little cover is intraductal during the construction can not retain the grout, consequently no longer need implement to bore processes such as stopper scraping after the well cementation is waited with fixed attention, has solved the difficult problem of the unable well workover of little sleeve pipe of drilling tool and scraper of not forming a complete set at present, and simultaneously, counter the telling of the stifled agent of grout or chemistry can also be avoided to the single current valve, has improved the cementing quality.