ANALYTICAL SOLUTIONS AND APPLICATION OF THE HELICAL FLOW OF POWER-LAW FLUID IN ECCENTRIC ANNULI
Li Bangda, Liu Yongjian, Zhang Jingfu, Luo Guiming
Editorial office of ACTA PETROLEI SINICA . 1992, (S1): 19 -28 .  DOI: 10.7623/syxb1992S1003