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大牛地气田上古生界储层致密,具有低孔、低渗的特点,针对大牛地气田水平井测试工艺技术方面的难点问题,开展了试井工艺技术研究,实施了一点法测试和修正等时试井两种稳定试井工艺以及压恢测试的不稳定试井工艺,取得了一定效果,为气井的合理配产提供必要的资料,为评价储层奠定了基础。
The Upper Paleozoic reservoir in Daniudi gas field has the features of low porosity and low permeability. According to the difficult problems in the test technology of horizontal well in Daniudi gas field, the technology of well test technology has been carried out and some tests and corrections have been carried out Two kinds of stable well testing process of isochronal well testing and unstable well testing technology of pressure testing are achieved. Some results have been obtained, which provide the necessary data for gas rationing and laid the foundation for reservoir evaluation.