The pipeline and wells are operated separately by Anadarko Petroleum.

The pipeline will be operated by the Transneft oil transportation company of Russia.

The pipeline will be built and operated by several project companies.

The pipeline is owned and operated by Gazprom.

The pipeline is owned and operated by Transnefteproduct, a subsidiary of Transneft.

The pipeline is designed, constructed, and operated solely by Gazprom.

The pipeline is operated by BP on behalf of the partner companies.

Exxon officials said the pipeline was operated legally.

The pipeline is built and operated by Russian pipeline company Transneft.

"The pipeline is being operated safely, and it is in good shape."