中国气田开发水平现状分析

ANALYSIS OF GAS FIELD DEVELOPMENT LEVEL AT PRESENT IN CHINA

择取反映气田开发水平的几个主要指标分析了中国气田的开发水平现状。结果表明 ,中国气田的自然资源条件并不优越 ,目前的气田开发水平还相对较低。中国中部、西部和近海地区占有 83 %的累计探明天然气可采储量、85 %的剩余可采储量和 77%的年产量 (截至 1999年 12月 ) ;东部地区和四川气田的已开发程度和采出程度都高于 90 % ;而长庆气田、西部和近海地区却不到 10 %。必须看到 ,中国中部、西部和近海地区拥有未开发的天然气可采储量约 1× 10 12 m3;中国尚有未发现的天然气储量达 12× 10 12 m3。借鉴美国天然气工业发展历史试图说明中部、西部和近海地区应是中国气田开发的主力对象 ,应加大勘探和开发的力度。“西气东输”工程的实施 。

Gas field development level at present in China was analyzed by way of selecting several principal development indexes indicating the level. Through analyzing it is shown that the natural resource conditions of the gas fields in China are unfavourable and the gas field development level at present is relatively low. In China, the central, west and offshore regions accounted for 83 percent of the cumulative proved recoverable gas reserves, 85 percent of the residual recoverable reserves and 77 percent of the annual production (by the end of 1999); both development percent and production percent in the gas fields in Sichuan and east region were more than 90%, but those in Changqing Gas Field, west and offshore regions were less than 10%. It must be pointed out that the central, west and offshore regions in China have undeveloped recoverable reserves of 1 × 1012m3 and there are 12 × 1012m3 of gas reserves undiscovered in China yet. For this reason, through using the expansion history of the natural gas industry in USA for reference, it is proposed that the central, west and offshore regions should be the major targets of gas field development in China and the exploration and development in China and the exploration and development capability should be greatly built up in these regions. The implementation of 'West-to-east Natural Gas Transmission' project will make the gas field development level in China be obviously raised.