小区块稠油开采配套工艺技术的试验研究

Experimental study of complementary technique for heavy oil production in small fault blocks.

方法根据室内试验结果，从地层预处理、井筒降粘、管柱组合等方面入手，开展小区块稠油开采工艺技术的试验研究。目的解决常规小区块稠油开采难的问题。结果在冀中南部不同的常规稠油小区块的２９口油井进行现场试验，到１９９７年底，累计生产稠油２００１６７ｔ，创经济效益１０８０９×１０４元。结论解决了常规小区块稠油开采过程中，地层、井筒降粘，管柱组合及脱水的难题。

Method\ According to indoors experiment result, study of heavy oil production technique of small fault block is carried out in terms of formation pre-treatment, well bore viscosity reduction, drill string assembling and etc. Purpose\ To solve problems of heavy oil production in small fault blocks. Result\ Site experiments have been implemented on 29 oil wells in different conventional heavy oil small fault blocks, South Jizhong. Accumulative production reaches 200 167 t by the end of 1997 which values RMB$10 80910\+4. Conclusion\ The difficulties, such as formation and well bore viscosity reduction, drill string assembling and dewatering, to be encountered in heavy oil production of conventional small fault blocks are solved and experiment results can support future heavy oil production of likewise features. \;