Russia's largest oil producer Rosneft has asked the government to end Gazprom's decade-long exclusive right to export pipeline gas, the RIA news agency reported on Wednesday.
RIA, citing a letter from Rosneft to the energy ministry, said Rosneft had also proposed splitting Gazprom into producing and transportation companies -- an idea long resisted by Gazprom.
Rosneft and Gazprom, Russia's top energy companies, have been at loggerheads over number of issues, including gas exporting rights and access to Gazprom's network of pipelines.
The latest Rosneft proposal may signal growing discomfort over its own business situation, which is being hampered by international sanctions over Moscow's role in the Ukraine crisis. Rosneft is aiming for a 20 percent increase in its hydrocarbon production by 2020.
Rosneft, Gazprom and the energy ministry declined to comment on the RIA report. However, in emailed comments Rosneft said a discussion of the "gas market model" was underway.
"One of the goals is the creation of an optimal model, which will allow Russia not only to preserve, but to increase its global market share," a company spokesman said, without elaborating.
According to RIA, Rosneft wants to start tests for companies other than Gazprom to export pipeline gas from 2016. The government has already granted approval for Rosneft and Russia's No.2 gas producer Novatek (NVTK.ME) to export liquefied natural gas (LNGLF) in future.
RIA also said Rosneft had proposed spinning-off Gazprom's pipeline business from its upstream division in 2025.
"The conflict of interests within Gazprom, which is a monopoly in transportation services on one hand and which is a largest gas supplier on other hand, should be eliminated," RIA quoted Rosneft's letter as saying.
(Reporting by Vladimir Soldatkin; Editing by Mark Potter)