测井标准井节箍深度值的确定新方法

任中豪, 张文昌, 朱新民, 晋新伟, 田文涛

任中豪, 张文昌, 朱新民, 晋新伟, 田文涛. 测井标准井节箍深度值的确定新方法[J]. 石油钻探技术, 2014, 42(6): 68-72. DOI: 10.11911/syztjs.201406014
引用本文: 任中豪, 张文昌, 朱新民, 晋新伟, 田文涛. 测井标准井节箍深度值的确定新方法[J]. 石油钻探技术, 2014, 42(6): 68-72. DOI: 10.11911/syztjs.201406014
Ren Zhonghao, Zhang Wenchang, Zhu Xinmin, Jin Xinwei, Tian Wentao. Method to Determine the Collar Section Depth in Standard Well Logging[J]. Petroleum Drilling Techniques, 2014, 42(6): 68-72. DOI: 10.11911/syztjs.201406014
Citation: Ren Zhonghao, Zhang Wenchang, Zhu Xinmin, Jin Xinwei, Tian Wentao. Method to Determine the Collar Section Depth in Standard Well Logging[J]. Petroleum Drilling Techniques, 2014, 42(6): 68-72. DOI: 10.11911/syztjs.201406014

测井标准井节箍深度值的确定新方法

基金项目: 

冀东油田分公司科研项目"大斜度井完井测井工艺研究与应用"(编号:2014C-34)部分研究内容.

详细信息
    作者简介:

    任中豪(1983-), 男, 山西平遥人, 2007年毕业于西南石油大学勘查技术与工程专业, 工程师, 主要从事测井现场生产组织和科研工作.

  • 中图分类号: P631.8+1

Method to Determine the Collar Section Depth in Standard Well Logging

  • 摘要: 为提高标准井深度量值传递的精度和可信度,利用多口深度标准井对新建标准井深度量值传递.对多口标准井传递的不等精度数据,依据每次传递的误差度对传递结果加权,采用加权平均法求取节箍深度最佳估计值.通过绘制标准节箍深度测量值的概率密度曲线,计算加权平均法处理结果和直接平均法处理结果的误差度,分析传递结果的可信度.分析表明,在标准节箍深度测量值的概率密度曲线上,多井传递的标准节箍深度值的位置接近曲线最高部位,而单井传递深度值偏离较多,多井深度量值传递结果可信度高于单井传递结果.误差度计算结果表明,加权平均法求取的最佳估计值可信度高于直接平均法求取的最佳估计值.研究表明,利用多口深度标准井对新建标准井深度量值传递、并采用加权平均法求取节箍深度的最佳估计值,提高了标准井深度量值传递的精度和可信度.
    Abstract: In order to improve the accuracy and reliability of the measured depth transfer of a standard well,the measured depths of many standard wells were transferred to a new standard well.On the basis of unequal precision of the data delivered by different standard wells,transfer results were weighted according to the error degree of each pass to calculate the best estimate of collar depth by weighted average method.Through drawing the probability density curve of standard collar depth measurements,the degree of error of processing the results between the weighted average method and direct average method was calculated to analyze the credibility of the transfer results.Analysis showed that,on the probability density curve of standard collar depth measurements,the position of depth value transferred by multi wells was close to the maximum probability density.However,the transferred depth value of a single well was largely deviated.The results of analysis showed that the transmission reliability of multiple wells was higher than a single well.The error of calculation processing results showed,the credibility of the best estimate of weighted average method was higher than the direct average method.Altogether,using the measured depths transfer from the multi depth standard well to new standard well and calculating the best estimate of collar depth value by the weighted average method could improve the precision and reliability of the measured depth transfer of the standard well.
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  • 期刊类型引用(1)

    1. 曲永春,马智鹏,庞慧峰. 标准井深度量值传递新方法及应用. 石油管材与仪器. 2021(04): 55-57 . 百度学术

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出版历程
  • 收稿日期:  2014-05-13
  • 修回日期:  2014-10-02
  • 刊出日期:  1899-12-31

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