[1]季雯宇,樊建春,武勝男,等.深水鉆井淺水流環空沖蝕數值模擬研究[J].石油管材與儀器,2019,5(05):34-38.[doi:10.19459/j.cnki.61-1500/te.2019.05.008]
 JI Wenyu,FAN Jianchun,WU Shengnan,et al.Numerical Simulation on Casing Annular Erosion Wear in Deepwater Drilling[J].Petroleum Tubular Goods & Instruments,2019,5(05):34-38.[doi:10.19459/j.cnki.61-1500/te.2019.05.008]
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深水鉆井淺水流環空沖蝕數值模擬研究
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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:
34-38
欄目:
試驗研究
出版日期:
2019-10-20

文章信息/Info

Title:
Numerical Simulation on Casing Annular Erosion Wear in Deepwater Drilling
文章編號:
2096-0077(2019)05--0034-05
作者:
季雯宇1樊建春1武勝男1馮桓榰2
1. 中國石油大學( 北京 ) 機械與儲運工程學院 北京 102249;2. 中海石油(中國)有限公司 北京 研究中心 北京 100028
Author(s):
JI Wenyu1FAN Jianchun1WU Shengnan1FENG Huanzhi2
1. College of Mechanical and Transportation Engineering,China University of Petroleum(Beijing),Beijing 102249,China; 2.Beijing Research Center of China National Offisore Oil Corporation Limited,Beijing 100028,China
關鍵詞:
深水鉆井淺水流砂體環空模型沖蝕模擬影響規律
Keywords:
deepwater drillingshallow flowannular modelerosion simulationinfluence laws
分類號:
TE58
DOI:
10.19459/j.cnki.61-1500/te.2019.05.008
文獻標志碼:
A
摘要:
海洋深水鉆井過程中,為防止由于鉆遇淺水流而導致套管和鉆桿完整性被破壞,需要對鉆遇淺水流后砂水對環空的沖蝕影響規律進行分析。利用CFD軟件在液固兩相流和沖蝕理論基礎上,建立深水鉆井環空三維流場模型,模擬計算了砂水進入套管環空時對其的沖蝕影響。結果表明,最大沖蝕率、平均沖蝕率隨著高度增加有增大趨勢,在近出口處有較大的沖蝕磨損。另外流速、質量流率和粒徑都對沖蝕結果有不同程度的影響。在考慮高壓淺水流砂體對套管環空的沖蝕破壞影響過程中需要結合砂體性質、地層壓力、埋藏規模和深度綜合考慮。
Abstract:
During the process of deepwater drilling, in order to prevent the integrity of casing and drill pipe from being damaged by the drilling of shallow water flow, the influence of sand water erosion upon annulus which caused by drilling shallow water flow needs to be analyzed. Based on liquidsolid twophase flow and the theory of erosion, CFD software was used to establish a threedimensional annular flow field model for deepwater drilling. The effect of sand on the erosion of casing annulus was simulated. The results show that the maximum erosion rate and the average erosion rate increase with increase of height. In addition, flow rate, mass flow rate and particle size all have different degrees of impact on erosion results. Considering the impact of highpressure shallowflow sand bodies on erosion damage of casing annulus, factors such as sand body properties,formation pressure,burial scale and depth need to be considered comprehensively.

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備注/Memo

備注/Memo:
基金項目:科研項目“陵水17-2氣田開發井鉆完井安全控制技術研究-陵水17-2氣田開發井淺層地質災害評估及處置方案研究”(項目編號:CCL2017ZJFN1111);科研項目“鶯瓊盆地高溫高壓鉆完井、測試安全技術研究-高溫高壓鉆完井-測試風險評估”(項目編號:CCL2017RCPS0182RCN) 第一作者簡介:季雯宇,女,1994年生,中國石油大學( 北京 )碩士在讀,主要研究方向為安全監測與智能診斷工程。E-mail:[email protected]
更新日期/Last Update: 2019-10-25
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