Petroleum Reservoir Evaluation and Development >
2021 , Vol. 11 >Issue 1: 86 - 94
DOI: https://doi.org/10.13809/j.cnki.cn32-1825/te.2021.01.012
Testing and selection techniques of horizontal wells in Weirong Shale Gas Field
Received date: 2020-10-16
Online published: 2021-02-04
The successful development experience at home and abroad shows that fracturing is an important step to realize shale gas development, and testing selection is the most critical step in the preliminary work of fracturing. The quality of the selection determines the effect of fracturing. Taking Weirong Shale Gas Field platform wells as the research object, according to the characteristics of the basic data of the early evaluation wells and the later development wells, and combined with the principle of testing selection, the later development well selection ideas are deepened. And the development well data is rationally utilized from four aspects, which are the trajectory, geology, engineering and fracture prediction, forming a geological-engineering integration technology of shale gas horizontal well testing selection in “five steps” of trajectory evaluation, geological parameter evaluation, engineering parameter evaluation, fracture prediction, and comprehensive segmentation. The test open flow rate of development wells obtained by this technology is increased by about 1~2 times compared with the previous evaluation wells, saving 40 % of the project time. Field tests show that this technology has certain guiding significance for improving the beneficial development of deep shale gas.
Haoyu Wang , Liang Xiong , Hongliang Shi , Xiaoxia Dong , Limin Wei , Wanhong Jian . Testing and selection techniques of horizontal wells in Weirong Shale Gas Field[J]. Petroleum Reservoir Evaluation and Development, 2021 , 11(1) : 86 -94 . DOI: 10.13809/j.cnki.cn32-1825/te.2021.01.012
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