Crude oil for September delivery stood at $66.41 a barrel in electronic trading, down 45 cents.
September unleaded gasoline traded lately at $1.9791 a gallon, virtually flat. Bolstered by supply concerns, the unleaded contract had topped a record $2 a gallon on Friday on the strength of a 2.8% rally.
Over the weekend, the authoritative Lundberg Survey of retail gasoline prices showed the three-week national average price for all self-serve grades at $2.50 a gallon. See story.
U.S. inventories of gasoline have fallen for six weeks in a row, according to Energy Department data.
September crude had traded as high as $67.10 a barrel on the New York Mercantile Exchange on Friday, a level never seen before in futures dealings.
September heating oil also tracked at a record high to close out the week but was essentially flat at $1.8871 a gallon in recent electronic dealings.
Against a backdrop punctuated by seasonal summer demand for gasoline, this Wednesday's weekly reports on the status of U.S. petroleum inventories will take on even greater weight with energy traders.
Also Friday, September natural gas rose 28.7 cents, or 3.1%, to close at $9.588 per million British thermal units, after trading as high as $9.91.
It marked the highest level since late November, according to monthly charts.
Prices for natural gas ended the week over 10% higher and for the year to date, they're up 58%.
Last Thursday, the Energy Department said U.S. natural-gas stocks rose 43 billion cubic feet for the week ended Aug. 5, in line with most market expectations.
In Monday's electronic trading, the natural-gas contract changed hands at $9.388 per million British thermal units, down 20 cents.
September unleaded gasoline traded lately at $1.9791 a gallon, virtually flat. Bolstered by supply concerns, the unleaded contract had topped a record $2 a gallon on Friday on the strength of a 2.8% rally.
Over the weekend, the authoritative Lundberg Survey of retail gasoline prices showed the three-week national average price for all self-serve grades at $2.50 a gallon. See story.
U.S. inventories of gasoline have fallen for six weeks in a row, according to Energy Department data.
September crude had traded as high as $67.10 a barrel on the New York Mercantile Exchange on Friday, a level never seen before in futures dealings.
September heating oil also tracked at a record high to close out the week but was essentially flat at $1.8871 a gallon in recent electronic dealings.
Against a backdrop punctuated by seasonal summer demand for gasoline, this Wednesday's weekly reports on the status of U.S. petroleum inventories will take on even greater weight with energy traders.
Also Friday, September natural gas rose 28.7 cents, or 3.1%, to close at $9.588 per million British thermal units, after trading as high as $9.91.
It marked the highest level since late November, according to monthly charts.
Prices for natural gas ended the week over 10% higher and for the year to date, they're up 58%.
Last Thursday, the Energy Department said U.S. natural-gas stocks rose 43 billion cubic feet for the week ended Aug. 5, in line with most market expectations.
In Monday's electronic trading, the natural-gas contract changed hands at $9.388 per million British thermal units, down 20 cents.