摘要：A tubular buckling model is built, while considering the combined effects of wellbore curvature, tubular connector, and friction force. On the basis of certain assumptions, the expressions of critical helical-buckling loads are deduced with the equivalent beam-column model and energy method and the amendment factors of critical buckling loads because of relevant factors are obtained. The results from the new model are compared with those from previous models and experiments. The roles of relevant factors in tubular mechanical behaviors are discussed. It is indicated that wellbore curvature affects equivalent tubular-string weight, the connectors affect potential energy, and friction force leads to dissipative energy in the buckling-initiation process. Critical helical-buckling loads are most likely underestimated if the combined effects are not considered.

关键字：THIN ROD POSTBUCKLING BEHAVIOR BOUNDARY-CONDITIONS PIPE STRINGS

ISSN号：1086-055X

卷、期、页：卷: 24 期: 5 页: 2083-2096

发表日期：2019-10-01

影响因子：2.208000

期刊分区（SCI为中科院分区）：三区

收录情况：SCI（科学引文索引印刷版）,ESI（基本科学指标数据库）,SCIE（科学引文索引网络版）

发表期刊名称：SPE JOURNAL

第一作者：黄文君,高德利

论文类型：期刊论文

论文概要：黄文君,高德利，Combined Effects of Wellbore Curvature, Connector, and Friction Force on Tubular Buckling Behaviors，SPE JOURNAL，2019，卷: 24 期: 5 页: 2083-2096

论文题目：Combined Effects of Wellbore Curvature, Connector, and Friction Force on Tubular Buckling Behaviors