@article{201909.0050,
	doi = {},
	url = {https://doi.org/},
	year = 2019,
	month = {September},
	publisher = {Preprints},
	author = {Yang Liu and Zhanghua Lian},
	title = {Design and Experimental Research on Sealing Structure for a Retrievable Packer},
	journal = {Preprints}
}