Wang Heling, Xue Youtang, Sun Baomin. COMPLETION TECHNOLOGY IN GYPSOLITH AND SALT FORMATION TO PREVENT COLLAPSING CASING IN JINGQIU OILFIELD[J]. Oil Drilling & Production Technology, 1994, 16(6): 34-39. DOI: 10.3969/j.issn.1000-7393.1994.06.006
Citation: Wang Heling, Xue Youtang, Sun Baomin. COMPLETION TECHNOLOGY IN GYPSOLITH AND SALT FORMATION TO PREVENT COLLAPSING CASING IN JINGQIU OILFIELD[J]. Oil Drilling & Production Technology, 1994, 16(6): 34-39. DOI: 10.3969/j.issn.1000-7393.1994.06.006
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COMPLETION TECHNOLOGY IN GYPSOLITH AND SALT FORMATION TO PREVENT COLLAPSING CASING IN JINGQIU OILFIELD

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  • The nonhomogeneity stress caused by plastical creeping of gypsolith and salt formation will casing collapse and deformate.The measures to prevent casing from collapsing and deformation include controlling and decreasing the effects of nonhomogeneity stress and improving casing strength.This paper introduce the measures of controlling nonhomogeneity stress and improving casing strength during completion and especially the design of double casing and cementing operation in Jingqiu oilfield.
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