[1]王建東,田濤,陳鷗,等.頁巖氣用生產套管螺紋連接選用和評價技術研究[J].石油管材與儀器,2020,6(04):63-68.[doi:10.19459/j.cnki.61-1500/te.2020.04.011]
 WANG Jiandong,TIAN Tao,CHENG Ou,et al.Selection and Evaluation Technology of Production Casing Threaded Connection for Shale Gas Wells[J].Petroleum Tubular Goods & Instruments,2020,6(04):63-68.[doi:10.19459/j.cnki.61-1500/te.2020.04.011]
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頁巖氣用生產套管螺紋連接選用和評價技術研究
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《石油管材與儀器》[ISSN:2096-0077/CN:61-1500/TE]

卷:
6
期數:
2020年04期
頁碼:
63-68
欄目:
頁巖氣專題
出版日期:
2020-08-20

文章信息/Info

Title:
Selection and Evaluation Technology of Production Casing Threaded Connection for Shale Gas Wells
文章編號:
2096-0077(2020)04--0063-06
作者:
王建東1田濤1陳鷗2黃永智3
1.中國石油集團石油管工程技術研究院,石油管材及裝備材料服役行為與結構安全國家重點實驗室 陜西 西安 710077;2.中國石油物資公司 北京 100009;3.天津鋼管制造有限公司 天津 300301
Author(s):
WANG Jiandong1 TIAN Tao1 CHENG Ou2 HUANG Yongzhi3
1. State Key Laboratory for Performance and Structure Safety of Petroleum Tubular Goods and Equipment Materials,CNPC Tubular Goods Research Institute, Xi′an, Shaanxi 710077, China; 2. China Petroleum Materials Corporation, Beijing 100009, China; 3. Tianjin Pipe Corporation, Tianjin 300301, China
關鍵詞:
頁巖氣密封完整性適用性評價高性能氣密封螺紋經濟型螺紋
Keywords:
shale gas seal integrityfitnessforservice procedure highperformance gastight premium connection economical connection
分類號:
TE925
DOI:
10.19459/j.cnki.61-1500/te.2020.04.011
文獻標志碼:
A
摘要:
頁巖氣開發具有水力壓裂壓力高(80~100 MPa)、生產采氣壓力低(40~60 MPa)的特點,且開采6個月后,產氣量和壓力迅速遞減。通過對生產套管用不同型式螺紋連接性能特點和井下生產套管工況分析,制定了螺紋連接適用性評價程序。對擬采用的臺肩對頂密封經濟型螺紋進行試驗驗證評價,通過模擬旋轉下套管抗扭矩粘扣試驗、壓裂密封完整性評價試驗、生產采氣密封完整性評價試驗,驗證臺肩對頂密封經濟型螺紋滿足頁巖氣生產套管開發需求。用有限元分析螺紋在不同載荷工況下的密封性,提出了螺紋使用上扣扭矩控制措施;建立了頁巖氣生產套管螺紋連接試驗評價程序和方法;提出生產套管柱螺紋連接選用技術方案:直井段和彎曲段采用高性能金屬/金屬氣密封螺紋連接,水平段采用經濟型臺肩對頂密封螺紋連接,并進行了現場應用,可以有效降低管柱成本。
Abstract:
In view of the characteristics of high hydraulic fracturing pressure, low production and recovery gas pressure and rapid decline of production in shale gas development, a study on optimization of production casing threaded connection was carried out to reduce the cost of pipe string. Through the analysis of the working conditions of down hole production casing, the fitnessforservice procedure of threaded connection was developed, and the simulation of torque galling test of casing under rotation, the fracturing seal integrity evaluation test, and production gas seal integrity evaluation test were adopted to test and evaluate the proposed abutment seal economical thread. The sealing property of thread under different load conditions was analyzed by finite element method, and the control measure of thread torque is put forward.The evaluation procedure and the method of optimizing threaded connection of shale gas production casing were established. The technical scheme for the selection of threaded connection for production casing string was put forward. The highperformance metal to metal gastight premium connection is adopted for vertical well section and bending section,the abutment seal economical connection is adopted for horizontal section, which has been applied in the field and can effectively reduce the cost of pipe string.

參考文獻/References:

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備注/Memo

備注/Memo:
第一作者簡介:王建東,男,1972年生,高級工程師,2004年畢業于蘭州大學工程力學專業,獲碩士學位,現主要從事油井管柱力學研究工作。E-mail:[email protected]
更新日期/Last Update: 2020-08-25
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