Well sealing technology of TCP pony packer
Keywords:
high pressure well, locking mechanismAbstract
With the exploration and development process of Daqing Oilfield, at the high pressure tract, after tubing transportation perforation, overflow, kick and even blowout maybe bring at well head. In order to solve this problem, development of a pony packer, anchorage by bi-directional slip, setting by lifting the string, unset by bell socket. Pony packer is driven into the well with the perforating string, sealed top of perforation interval after perforation, without kill after perforation, avoid well fluid overflow, effectively prevent the fragments from blocking the unsealing channel and sand sticking after perforation. It is proved by experiment, X4 well and X5 well that pony packer has good application, meet the requirements of perforation operation in Daqing Oilfield, effectively solves the problem that difficult of lifting the perforating string in high pressure well, reduce the use of completion fluid and formation pollution, improve construction efficiency and realize green construction, has a good application prospect. © 2023 Well Testing. All rights reserved.
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