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Air Sealing Packer

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It’s a special inspection tool which is mainly used to inspect the tightness of casing connecting with thread of coupling.

1.Application

Sealingtesting mainly for site-specific buckle threaded OCTG connections and ground pipelines, into the wells and sealed prior to use for testing an experimental technique is to ensure that gas production tubing string and sealing ground pipelines key means. At present, the technology has become high-risk, high-sensitivity, particularly thoseoilfieldcontaining H2S supporting the development of technical standards for the construction field.


2. Work Principle

When it reaches to designed position, increase pressure with the air supply equipment, when the pressure is up to rated one, air cylinder unit compresses barrel to setting and seal casing annulus.Continuously increase the pressure to designed value, close the air supply and watch the pressure meter.If there is no pressure declining, the tightness of the thread is good, or the connectingpositionof the thread is not sealed.

Unsealing: air supply decompresses after inspection and the packer is unsealed.The cylinder retracts under the elastic force of barrel.


3.Characteristics

1)Easy to seal and unseal.

2)Compressive barrel is used to have high pressure resistance and can be sealed and unsealed repeatedly.The barrel can be used for dozens of times.

3)Simple and compact structure. Easy and convenient to assemble. The packer can be used repeatedly after changing the damaged sealing components.

4)It’s Safety.Inert gas - helium pressure tested, safe.

5)High reliability. Helium has a high permeability, results are more accurate and reliable.


When ordering, please specify:
  • 1. Type of Packer

  • 2. Casing size and weight & hole size

  • 3. Temperature & hole depth

  • 4. Connection size and type

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