The utility model provides a notes test integration well completion is divided to multistage multi -parameter, include: the tubular column in the pipe box is established with the cover to the pipe box, form the annular space between pipe box and the tubular column, the tubular column includes the high -pressure divider that is linked together by oil pipe, water injection seating nipple and expansion bend, the high pressure divider is three at least, the pipe box longitudinal distribution is followed to at least three high -pressure divider, and cut apart into two at least inclosed well sections with the annular space, be provided with at least one water injection seating nipple and at least one expansion bend in every well section, the expansion bend includes the top connection, the lowerclutch, the center tube, urceolus and piston, the expansion bend passes through the piston and stretches out and draws back with center tube axial relative movement, encircling near being provided with bellied fender on the inner wall of lower clutch one end of urceolus, being close to of piston is provided with annular boss on the outer wall of top connection one end, the annular boss is locatedand keeps off the ring top, be used for preventing piston and center tube separation. This notes test integration well completion is divided to multistage multi -parameter can make things convenient for the deblocking of high -pressure packer.