Algeria’s Sonatrach and Spanish power group Naturgy have revised gas prices for 2022 but delayed price talks for next year and beyond amid surging demand and after a diplomatic spat between the countries. Sonatrach supplies around 5 billion cubic meters of gas a year to Spain through contracts signed more than two decades ago and valid until 2030 with periodic price reviews. Naturgy said the companies had established a new price retroactively applicable for volumes supplied to the end of 2022, and had also agreed to continue negotiating prices applicable from next year. A Sonatrach statement s…