Exploration on the Eastern Border of the Reggane Basin, SW Algeria – Are the Old Assumptions Still Valid?

S035 EXPLORATION ON THE EASTERN BORDER OF THE REGGANE BASIN SW ALGERIA – ARE THE OLD ASSUMPTIONS STILL VALID? 1 M BAENA A.CHAMBERS R. FERRANDO I. POLONIO M. RODRIGO and E. FIGARI Repsol-YPF Exploarcion SA Paseo de la Castellana 280 28008 Madrid Spain Exploration activity in the Reggane Basin began in the late 1950s. Early wells encountered oil and gas shows at Strunian-Tournaisian and Visean C levels but the first discovery was done in the Reggane structure (1964) which flowed gas from Lower Devonian reservoirs. Continued exploration on trend led to further discoveries (Tiouliline (1980) and Azrafil (2000)) that also