- Dongying zhaoxin Industry and Trade Co.,Ltd
- Main products: oil packer , torque anchor, sucker rod centralizer, gas anchor, coupling, washover pipe, polished rod clamp, tubing drain, tubing anchor, sucker rod roller /tubing centralizer, thread protector for oil pipes, sucker rod
Home > Products > oil packer > Manufacturer API annulus hydraulic external casing packer for oil water well drilling
Manufacturer API annulus hydraulic external casing packer for oil water well drilling
- Tianjin or Qingdao or as client's requirement
- T/T
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Product Details
| Place of Origin | China | Model Number | 5-1/2“-9-5/8“ | |
| Material | Other, Alloy | Certification | API | |
| Use | Well Drilling | Processing Type | Forging |
Product Description
Product Information:
1. Application
It is a important well completion tool. It's mainly used in complex oil, gas or water well completion engineering to realize downhole packing or plugging, improve well cementation and well completion.
It is used for staged packing of open holes for further operation. The pressure opens the packer's rubber for setting. It mainly consists of central pipe, rubber, open/close valve. The open valve is activated by enough pressure to demanding value, and then set the packer. More pressure shall activate the close valve to close the packer.
2. Structure and work principle
It adopts expanding steel frame rubber as sealing element, it is a permanent external casing packer that setting controlled by Combination valves. It is mainly composed of valve joint, rubber assembly,central tube, pup joint, coupling and so on. During construction, when rubber plug go through valve joint, rod in the sealing inlet hole break off to open the inlet hole. When the rubber plug run to spoiler, start built pressure in casing. Liquid run into open valve from valve joint, when the pressure reached to the design, pin on open valve was cut to realize open the open valve. Liquid go through check valve and pressure limiting valve, run into the cavity between central tube and rubber. Then packer expansion and close to well wall to from seal. When expansion cavity pressure reached to the design of pressure limiting valve pin, pin break off, pressure limiting valve take movement to close the inlet hole in order to realize sealing safety. Wellhead release pressure to 0, open valve self-locking to realize permanently closed. Downhole pressure operation has no influence of packer. In the special pipe string precess, it can run inner pipe tools to set packer in order to realize special well completion(eg: well completion by packer or packer sieve tube).
3. Characteristics
1) Simple operation, no need to change the original operating craft.
2) Better adaptability, being applicable to oil/water well under various different condition.
3) Valve system can effectively protect and exactly control the tools to take setting safely.
4) Big expansion coefficient, small diameter rubber barrel can seal the big diameter well. When70mm packer is used in 7''casing, breakdown pressure can reach 28Mpa.
5) Small residual deformation.
6) It has high temperature resistant level, and can bear big differential pressure, with small residual deformation.
7) Long sealing section, reliable setting.
To order pls confirm:
1.Type of packer
2.Casing size and weight & hole size
3.Temperature & hole depth
4.Connection size and type
Zhaoxin Industry & Trade Company, Ltd. of Dongying City is located in the hinterland of beautiful Yellow River Delta --- Dongying City normally called " Petroleum City". The company, which conducts scientific research, development, manufacture, sale and after sale service, is one enterprise for oilfield tool and equipment manufacture. At Shengli Industry Area, the company was established in 1999. It has owned more than 3000 square meters of workshops which manufacture different oilfield down hole tools and accessories such as fracture packer series, sand blast, fracture hydraulic anchor. The products of company have been widely applied in oilfields in China and entered markets abroad. The company conducts management mode of combination between regulation and humanity, develops perfect management system and inspiring system, has achieved ISO9000 international quality system certification and has got first order market entry qualification. The company has owned practical, specialized, experienced and powerful research and development team, applied and got more than 40 national patents awarded by National Intellectual Property Bureau, widened the markets in Neimeng, Xinjiang, and Liaohe,etc, and established approved reputation. For many years, the company has followed the management idea of existence by means of quality and development by means of innovation, maintained the service aim of quality first and reputation first, faced competition with the new products, explored development with the new idea and widened market with the new technology. In the future of more severe competition market, Zhaoxin Company , with perfect attitude, product and service, is going to make further development together with customers at home and abroad .
Our Services
For more information, you can contact me :
Contact person : Alisa Ma
Phone/Whatsapp:+86 13706368719
Looking forward to cooperating with you!
Contact Us
- Dongying zhaoxin Industry and Trade Co.,Ltd
- Contact nameAlisa Ma Chat Now
- Phone86-137-06368719
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