![]() |
1. STRIPPER RUBBER PACKER INSERTS
The duty of the packer is to provide a seal between the tubing and the outside world,
preventing the escape of well fluids, from the casing or production tubing into the
atmosphere. This is both a safety and an operational function. As wells have been
worked at ever higher pressure, so the safety function becomes ever more critical.
The operational function is equally vital, since no coil-tubing operator wants problems
from the seals when running in or out of hole.
Various problems can arise and in consequence, a wide range of packers has grown up.
It is increasingly necessary to select a product for the type of job in hand; one
which has been suitably tested. For example, many standard packers would not rate
above 100-120°C which is inadequate in a hot well. Now materials are available
which can stand up to 160°C or even higher temperatures. Conversely, an operator
may need to operate in frozen wastes such as Alaska requiring rubber which will not
crack at -50°C. Other difficulties arise trying to energise in very low pressure
wells, or the rubber might have to survive a well trying to escape at 6500psi. Appropriate
solutions are available for all these situations.
Benoil has recently developed a self-lubricating rubber which reduces the energy required
to move the tube through the seal. This leads to reduced wear and is of particular
benefit on startup when it can otherwise be difficult to move the tube through a rubber
which has locked on to it after having been static for some time.
Click here to link to the what's new radial stripper rubber section
|
![]() |
![]() |
|||
![]() |
![]() |
|||
This website was authored by the IT Manager, Benoil. All pages of this site are © Benoil Services Ltd. |