油气开采板块1月21日涨2.98%，洲际油气领涨，主力资金净流入8.03亿元

Group 1 - The oil and gas extraction sector increased by 2.98% compared to the previous trading day, with Intercontinental Oil & Gas leading the gains [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] - The main capital inflow in the oil and gas extraction sector was 8.03 billion yuan, while retail investors experienced a net outflow of 5.87 billion yuan [1] Group 2 - Intercontinental Oil & Gas (code 600759) saw a closing price of 3.86, with a significant increase of 9.97% and a trading volume of 4.95 million shares [1] - China National Offshore Oil Corporation (code 600938) closed at 30.56, up 3.10%, with a trading volume of 627,500 shares [1] - Blue Flame Holdings (code 000968) closed at 7.36, up 1.66%, with a trading volume of 278,500 shares [1]