On April 14, 2023, at 07 am Moscow time, mainline
pumps of the Tengiz-Novorossiysk trunk oil pipeline resumed pumping of crude
oil after a 72-hour scheduled shutdown.
The above period was marked by scheduled work
associated with planned maintenance of various systems of the pipeline and the
Marine Terminal (mechanical and process equipment, power and electrical
equipment, instrumentation and automation systems, control systems), as well as
work on the ongoing and capital projects of CPC. Performance of the above work
is only possible during shutdown of pump station and pipeline equipment.
As part of current operations, CPC and contractor
personnel checked operation of emergency shutdown and unit protection systems
for the entire length of the pipeline. Scheduled replacement of ball valves was
performed at PS Atyrau in the Republic of Kazakhstan and at PS-4 pig launcher/receivers
in the Russian Federation. A significant work scope was also performed on the
pipeline. Heat shrink sleeves were replaced on a number of pipeline sections;
defects were fixed by installation of P2 and P5U repair sleeves. As part of a
relevant program, eight obsolete electric drives of mainline ball valves were
replaced.
To implement capital projects of the CPC base
business in the Russian Federation, during scheduled shutdown, a large scope of
work was performed under fire and gas detection systems upgrade at PS
Komsomolsk and PS Kropotkin. Work related to power supply reliability
improvement was successfully implemented at the CPC PSs located in the
Stavropol Krai, Krasnodar Krai and the Marine Terminal.
As part of Debottlenecking Program, three LACT
meter units recently installed under DBNP were filled with oil; and a new
control room building was commissioned, which allows proceeding with
metrological certification of the new LACT units. Disconnection of the existing
mainline pump house from the pipeline was performed at PS Astrakhan. Work was
performed in strict compliance with DBNP schedule.
In the Republic of Kazakhstan, during the
shutdown, a number of activities were delivered on the upgrade of fire and gas
detection system at PS Tengiz. Work was also performed on the upgrade of PS
Atyrau power supply system. Critical activities associated with construction of
two new 20,000 m3 tanks were successfully completed on schedule. Commissioning
of the tanks is scheduled for 2023.
Scheduled shutdowns are performed a few times per
year to ensure delivery of the types of maintenance, repairs and equipment
connection that cannot be performed on operating equipment. CPC does not practice advance notifications
to the public and expert community about pipeline shutdown. This practice is
due to security matters and combating illegal taps.
Currently, lifting of crude oil at the Marine
Terminal is delivered routinely.
For
information:
CPC Pipeline
System is one of the major investment projects with foreign capital in energy
sector in the CIS. The length of the Tengiz – Novorossiysk pipeline is 1,511
km. This route transports over two-thirds of all Kazakhstan export crude, as
well as crude from Russian oil fields, including those in the Caspian Region.
CPC Marine Terminal is equipped with three Single Point Moorings (SPM) that
allow to load tankers safely at a significant distance offshore, also amid poor
weather conditions.
CPC
Shareholders: Federal Agency for State Property Management represented by
Transneft (trust management) – 24%, CPC Company – 7%, KazmunayGas – 19%,
Kazakhstan Pipeline Ventures LLC – 1.75%, Chevron Caspian Pipeline Consortium
Company – 15%, LUKARCO B.V. - 12.5%, Mobil Caspian Pipeline Company– 7.5%,
Rosneft-Shell Caspian Ventures Limited– 7.5%, BG Overseas Holding Limited– 2%,
Eni International N.A. N.V. S.ar.l. – 2% and Oryx Caspian Pipeline LLC – 1.75%.