The results fromcomparison show that these anomalies spread over a DZ nose delineated by seismic survey,which has been confirmed to be a gas-bearing structure by drilling.

• 对比结果表明：这些异常分布在地震勘探圈定出的DZ鼻状隆起上，后者被钻探结果证实为含天然气的构造，有力地说明放射性方法探测天然气藏的有效性。