Application
Cup packer can be used for oil extraction, mechanical plugging, wellhead testing and other constructions.
Structure and Work Principle
Cup packer is mainly composed of upper joint, cup and center tube.
Cup packer is a kind of self-sealing packer. The pipe annulus is sealed by interference cup and casing inwall. On the impact of downhole pressure difference, cup expanses to seal the annulus and it just can bear one-way big pressure differential.
Cone cup is the main part of cup packer. It is vulcanized rubber on the metal frame. Cup packer is used in well together with other downhole tools. When the tool down to the designed position, it’s sealed by compression between cup and inwall and pressure difference. Pull the column to realize unsealing.
Characteristics
There is no anchoring mechanism. It can be used in vertical, deflecting and horizontal well. The use grade is unlimited.
Cup can be facing fixed (maintain the pressure from two directions), or fixed in the same direction (upward or downward). Cup can be fixed in any direction and easy to dismount.
Can realize sealing and unsealing without any other power equipment. It doesn’t need moving column or giving pressure to realize sealing. Put downward together with the tube string can realize sealing casing annulus. Save more operation time and cost.
Specification:
Item | Index |
Connecting thread | 2 7/8TBG |
Maximum outer diameter of packer leather | Φ129mm |
Maximum sealing load | 35Mpa |
Maximum landing depth | 1000m |
1000m | two, three and so on |
Wooden case or as requested
Other products supply:
1. pumping unit
2. Tubing pump/sucker rod pump and accessories
3. Float collar and float shoe
4. Casing centralizer
5. Cementing plug
6. Cementing head
7. Stage Collar
8. Casing/ Tubing coupling
9. Drill pipe
10. Sucker rod
11. Thread protector
12. Air blaster
The predecessor of Henan Puyang Zhongshi Group Co. Ltd, was the 5th Machine Repairing Factory of Puyang Zhongyuan Oil field, Sinopec Corp. In 1997, after being restructured according to the modern corporate system, the factory was named Puyang Zhongshi Group Co.,Ltd.
With registered capital of 60,840,000 yuan, Puyang Zhongshi Group is composed of 9 subsidiaries, including 8 manufacturers and 1 trade company. Zhongshi Group covers an area of 200,000 sq.m, including workshop area of 50,000 sq.m. Various kinds of production equipment values 38,600,000 yuan. It has a strong mechanical processing capability.
Our leading products are pumping unit, tubing pump & sucker rod pump, cementing accessories, down-hole tools, wellhead (X-mas tree), drilling solid control series, pressure vessel ,camping house, air cannon, belt feeder and so on. They are mainly supplied to Central Asia, Southeast Asia, Africa and Middle East and many other countries.
Zhongshi Group has been the Tier One internet service provider of Sinopec. We passed ISO9001 quality management system certification and got approved to use API monograms on its oil machineries. So far, we have attained API 5CT, API 10D, API 11AX, API 11E and more are applying for.
With strong technical backup, reliable product quality, advanced marketing regime and good service system, this company wins popularity and recognition of vast consumers home and abroad.
We would like to faithfully cooperate with friends from all circles with classic products and service to achieve common development.