TY - BOOK AU - Zhijun,Wu AU - Yu,Yang AU - Hui,Deng AU - Yu,Yang AU - Hui,Deng ED - World Petroleum Congress (17th. : 2002 sept. 1-5 : Río de Janeiro, Brasil) TI - Characteristics and mathematical simulation of Stress Field of upper-shaximiao formation gas-bearing reservoir at Xinchang Gas Field U1 - CD W938 2 0013940 ER -