A description of the exploration and development of the Agha Jari Oilfield. Certain metamorphic effects caused by the burning of gas escaping along the Lower Fars thrust front are described, also the occurrence of condensate oil and high pressure water shows in the rocks overlying the main reservoir.
Description de l'exploration et de la mise en exploitation du champ pétrolifère de Agha Jari. Certains effets de métamorphisme causés par la combustion du gaz s'échappant le long du front de chevauchement du Fars inférieur sont décrits, ainsi que la présence de condensat et d'indications d'eau sous pression élevée dans les roches surmontant le réservoir principal.
This description of the exploration and clevelopment of the Agha Jari Oilfield is a combined compilation of the work of many geologists, geophysicists, drillers, petroleum engineers and other members of the Anglo-Iranian Oil Company, to whom due acknowledgement is made, and who have joined in developing Agha Jari into one of the world's largest producing oilfields.
The Agha Jari Oilfield is some 80 miles east of Abadan Island and 40 miles from the shipping terminal at Bandar Mashur to which it is joined by road, rail and 8 pipelines, 5 × 12 inch, 2 × 16 inch and 1 × 2O/22 inch.
Travelling northeastwards from the wide flat marginal plain of the Gulf, one first meets a long * Anglo-Iranian Oil Company, Ltd., Masjid-i-Sulaiinan, Persia. narrow range of hills formed of limestones and marls, obviously a tight anticline with occasional white gypsum in its core and rising to about 600 feet above the plain and 700 feet above sea level.
Behind this narrow range is low undulating country formed of sandstones and marls dipping gently northeastwards and dissected by many dry stream courses. This zone (see Figure 3) is about two miles wide from the frontal range to the foot of the high scarp of the Red Hills rising to 1955 feet in Kuh-i- ßenid and mostly over 1200 feet above sea level.
Northeast of the Red Hills, the scarp northeast dipslope country continues for five miles gradually losing height to the Marun River, as the sandstones forming the scarps lose strength. The Red Hills which are the topographical backbone of the structure run from north-west to south-east for 40 miles, and are the eroded edge of the strongest group of beds forming the north-east flank of the eroded surface anticline covering the oilfield.
The Marun River after flowing northwestwards along the back syncline cuts across the northwest plunging end of the surface fold before it disap ears into the silts of the Ahwaz plain. To the sout x east the Red Hills swing forward round the south-east plunging end of the fold but then swing sharply back to go around the Pazanun fold, with which the geological and development history of Agha Jari is closely
