[1]張秋平.注入剖面井下流量計校準曲線拐點研究[J].石油管材與儀器,2019,5(03):24-27.[doi:10.19459/j.cnki.61-1500/te.2019.03.006]
 ZHANG Qiuping.Inflection Point of Calibration Curve of Injection Profile Downhole Flowmeter[J].Petroleum Tubular Goods & Instruments,2019,5(03):24-27.[doi:10.19459/j.cnki.61-1500/te.2019.03.006]
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注入剖面井下流量計校準曲線拐點研究
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《石油管材與儀器》[ISSN:2096-0077/CN:61-1500/TE]

卷:
5
期數:
2019年03期
頁碼:
24-27
欄目:
試驗研究
出版日期:
2019-06-20

文章信息/Info

Title:
Inflection Point of Calibration Curve of Injection Profile Downhole Flowmeter
文章編號:
2096-0077(2019)03--0024-04
作者:
張秋平
大慶油田測試技術服務分公司 黑龍江 大慶 163513
Author(s):
ZHANG Qiuping
Logging and Testing Services Company, Daqing Oilfield Co. Ltd., Daqing, Heilongjiang 163513,China
關鍵詞:
校準量值有效傳遞雷諾數層流紊流
Keywords:
calibration effective value transfer Reynolds number laminar flow turbulent flow
分類號:
P631
DOI:
10.19459/j.cnki.61-1500/te.2019.03.006
文獻標志碼:
A
摘要:
為了提高注入剖面井下流量計的校準精度,實現量值有效傳遞,在計算層流、紊流臨界流量的基礎上,提出30 m3/d以下加密流量點的方法,并進行室內校準。結果表明,超聲波和電磁流量計的校準曲線在層流臨界流量點附近均存在拐點;超聲波流量計校準曲線在拐點以下符合多項式規律,拐點以上符合線性規律;電磁流量計校準曲線拐點上下符合線性規律,上斜率略小于下斜率,不同但比較接近。
Abstract:
In order to improve the flowmeter calibration precision in injection profile well and to realize the effective value transfer, the flow point densification was proposed below 30 m3/d on the basis of calculating the critical flow rate of laminar flow and turbulent flow,and was calibrated indoor. The result shows that both calibration curves of ultrasonic and electromagnetic flowmeter have a turning point near the critical flow rate in laminar flow. The calibration curve of ultrasonic flowmeter conforms to the polynomial rule below the inflection point, and conforms to the linear rule above it. The calibration curve of electromagnetic flowmeter conforms to the linear rule near inflection point, and the upper slope is slightly smaller, different from but close to the lower one.

參考文獻/References:

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備注/Memo

備注/Memo:
第一作者簡介:張秋平,男,1981年生,工程師,2005年畢業于西安石油大學石油工程專業,現主要從事生產測井儀器維修檢定工作。E-mail:[email protected]
更新日期/Last Update: 2019-06-25
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