OCTL offers the
complete range of API Casing including
Extreme Line and Threaded and Coupled,
from 4 ½" OD to 13 3/8"
OD according to API Specification
5CT and also Premium Connections.
The Premium Connections include
RSS:
Integral Joint Casing
Atlas Bradford connections
| Premium Connections
for Casing Licensed by Tenaris |
The finest quality steel is used
for the manufacture of Casing. Each
step of the manufacturing process
is performed with the highest degree
of accuracy to meet or exceed API
Specifications as well as the Industry
Standards.
Plain End Pipes and Coupling Stocks
in green condition (un-heat treated)
are ordered to specific metallurgical
chemistries and dimensional requirements
from reputed API Approved Mills only.
Plain End Pipe is upsetted (where
required) and heat-treated by the
Quench and Temper process. Each Heat
Lot is tested for mechanical properties.
The heat treated Casing is 100% inspected
nondestructively prior to threading.
The Coupling Stock follows the same
process prior to threading.
The threading on the Pipe and the
Couplings is done on CNC machines
and 100% gaging of all the critical
dimensional parameters is done and
recorded as part of the manufacturing
records. The finished couplings are
given anti galling treatment (Zinc
or Manganese) prior to Buck-on operation.
The Couplings are Bucked-on to the
pipe at their specific designed buck-on
torques which are recorded.
All Casing are subjected to Hydrostatic
Testing as required by API Specifications.
The finished Casing is externally
coated with rust preventive varnish,
attached with thread protectors prior
to shipment.
Complete documentation is provided
with each shipment detailing the full
Quality Control records.
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