[1]劉洪濤,沈新普,王克林,等.含伸縮管的超深高溫高壓氣井完井測試管柱三維力學行為分析[J].石油管材與儀器,2019,5(05):59-66.[doi:10.19459/j.cnki.61-1500/te.2019.05.014]
 LIU Hongtao,SHEN Xinpu,WANG Kelin,et al.3D Mechanical Analysis on Completion Testing Tubing String with Expansion Pipe Section for Extradeep HPHT Wells[J].Petroleum Tubular Goods & Instruments,2019,5(05):59-66.[doi:10.19459/j.cnki.61-1500/te.2019.05.014]
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含伸縮管的超深高溫高壓氣井完井測試管柱三維力學行為分析
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《石油管材與儀器》[ISSN:2096-0077/CN:61-1500/TE]

卷:
5
期數:
2019年05期
頁碼:
59-66
欄目:
TEC 2019國際會議專欄
出版日期:
2019-10-20

文章信息/Info

Title:
3D Mechanical Analysis on Completion Testing Tubing String with Expansion Pipe Section for Extradeep HPHT Wells
文章編號:
2096-0077(2019)05--0059-08
作者:
劉洪濤1沈新普2王克林1沈國陽2劉爽1
1.中國石油塔里木油田分公司 新疆 庫爾勒 841000; 2.中國石油大學(華東) 山東 青島 266580
Author(s):
LIU Hongtao1 SHEN Xinpu2 WANG Kelin1 SHEN Guoyang2 LIU Shuang1
1.Tarim Oil Branch PetroChina,Korla, Xinjiang 841000, China;2.China Petroleum University (Huadong), Qingdao, Shandong 266580, China
關鍵詞:
完井管柱測試高溫高壓塑性變形屈曲數值模擬伸縮管
Keywords:
completion tubing testing high pressure high temperature plastic deformation buckling numerical simulation expansion pipe
分類號:
TE257
DOI:
10.19459/j.cnki.61-1500/te.2019.05.014
文獻標志碼:
A
摘要:
提出了具有伸縮管的完井測試管柱三維有限元力學行為分析數值計算流程,并將其成功用于塔里木油田MJ4井完井測試管柱塑性變形分析。建立的管柱三維有限元模型中考慮了閉合距偏離、并考慮了油管-套管間摩擦接觸。分析中考慮了坐封、壓裂、放噴三種不同的施工階段下管柱變形的情況。給出了上述模型在不同壓力及溫度載荷下的管柱變形及應力分布的數值解,主要包括:1)管柱變形沿全長的分布;2)管柱全長軸向力及Mises等效應力分布;3)伸縮管以下管柱段的變形、應力的大小與分布、及該部分管柱與套管之間的接觸力和摩擦力的大小及分布。根據
Abstract:
Workflow for numerical solution to mechanical behavior of completion testing tubing system with 3D finite element method has been proposed. The workflow proposed here was applied to analysis on plastic deformation of completion testing tubular string. 3D finite element model was built for analysis of mechanical behavior of the tubular system. Factors of wellbore trajectory deviation and frictional contact between tube and casing are considered in the model. Loads of packer setting, hydraulic fracturing, and gas production are included. Numerical solutions of stress and displacement distribution along the tubing are presented. Principal results are:1) Displacement distribution along the whole length of tubing. 2) Distribution of axial stress and von Mises stress along the whole length of tubing. 3) Distribution of displacement and stress along the tubing section below expansion pipe, as well as frictional contact stress and frictional force in this section. With reference to the numerical results obtained, the following conclusions are derived:1) For the stages of packer setting, hydraulic fracturing, and gas production, inner pressure at location of expansion pipe will result in bigger value of axial stress than that in the case without expansion pipe. 2) Under the given working loads of pressure and temperature with regular structures as designed for MJ4 well, elastic buckling occurs within the tubing section below expansion pipe. 3) Poor quality of lower hydraulic anchorage of packer results in additional load to tubing, and consequently it is one of the major factors resulting in tubing′s plastic deformation.

參考文獻/References:

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備注/Memo

備注/Memo:
第一作者簡介:劉洪濤,男,1983年生,高級工程師,副院長,主要從事試油技術研究及管理工作。E-mail:[email protected]
更新日期/Last Update: 2019-10-25
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