放射性方法在沼泽地区寻找油气藏的有效性研究

The effectiveness of radioactive methods for the prediction of oil in marshland

南京大学地球科学系, 南京210008

The Earth Science Department, Nanjing University, Nanjing 210008

江汉盆地内GC油田的地表为沼泽地。本文介绍在该油田应用氡管法, α卡法、α径迹法等土壤氡法圈定油气藏的效果的试验研究工作。结果表明, 在沼泽地区, 由于氡管法的测量装置避免了积水的影响, 取得满意的地质效果。氡管法施工轻便, 工作效率也比较高, 适合于沼泽地区油气普查与勘探。

The soil radon methods──the radon tube method,the α-card method and the α-track method are tested to cvaluate their effectiveness in identifying reservoirs. The test site is in GC oil field in Jianghan Basin, the ground surface of which is marshland. The tests show that the radon tube method is a very good one with which geologically satisfactory results have been achieved. The radon method is efficient, portable and applicable to exploration and reconnaissance survey in marshland.