U.S. West Texas Intermediate (WTI) crude futures CLc1 were up 3 cents at $75.33 a barrel, having hit a four-year high of $75.91 earlier in the session.
WTI is up by nearly 18 percent since mid-August.
Worldwide benchmark Brent crude futures for December delivery dropped 0.6 percent to $84.43 per barrel, hovering just below its highest since November 2014 of $85.45-peak hit on Monday.
Futures were little changed in NY after closing Monday at the highest since November 2014.
The 15-member Organisation of the Petroleum Exporting Countries pumped a 2018 high of 32.85 million barrels per day in September, according to the Reuters monthly survey, up by 90,000 bpd from August's revised level. Meanwhile, the 24-year-old North American Free Trade Agreement will now be superseded by the U.S. -Mexico-Canada Agreement, covering a region that trades more than $1 trillion annually.
Exchange data shows hedge funds' combined net long position in Brent and US light crude futures and options at its largest since late July, equivalent to about 850 million barrels.
Inside Tesco's new discount chain Jack's, Chatteris
Jack's stores will be a mixture of entirely new sites, sites adjacent to existing Tesco stores, and converted Tesco stores. Lewis, however, said there were no plans beyond the first wave, although it had the option to open more.
India's challenges are high oil price, a declining rupee, rising interest rates and upcoming elections.
Saudi Arabia will quietly add extra oil to the market in coming months to offset a drop in Iranian production but is anxious it might need to limit output next year as the United States pumps more crude.
Soaring crude prices and weak emerging market currencies may erode economic growth.
But for now the focus is US sanctions on Iran's energy industry, which come into force on November 4 and are created to cut crude exports from the third-biggest producer in the Organization of the Petroleum Exporting Countries.
Others question whether the kingdom is willing to increase production enough to act as a cap on prices or bring them back down below $80, despite political pressure from the United States. Joel Hancock, oil analyst at Natixis says, "We maintain a view that on the two-year horizon, prices will remain constructive, but the path will likely be choppier than previous years". In the first quarter of 2019, Natixis expects Brent to average $79 per barrel from an estimated average price of $81 for the December quarter, but after that, in every quarter in 2019, the average three-monthly price will go up with Q4-19 price projected to go up to $86. Consequently, this suggests that China is bowing to pressure from the USA to bring purchases down to zero despite previously stating that they would not stop buying Iranian oil.