| 砂岩地层视电阻率计算及流体性质识别 |
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| 引用本文： | 康志勇.砂岩地层视电阻率计算及流体性质识别[J].测井技术,2011,35(4):335-339. |
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| 作者姓名： | 康志勇 |
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| 作者单位： | 中国石油辽河油田公司勘探开发研究院,辽宁盘锦,124010 |
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| 摘 要： | 以均质储集岩模型为基础,建立了油层、含可动水油层及水层视电阻率解释方程.提出地层流体替换率和泥浆滤液分配系数的概念.在淡水泥浆或盐水泥浆钻井条件下,采用地层流体替换率定量评价砂岩地层受钻井液污染程度.钻井液的电阻率越低,电阻率测井的失真度就越高,地层流体替换率越高,渗透性砂岩地层受钻井液的污染程度就越高.采用所建立的视...
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| 关 键 词： | 测井评价 泥浆侵入 视电阻率 增阻 减阻 流体性质 砂岩 |
Apparent Resistivity Calculation and Porosity Fluid Properties Identification in Sand Formation |
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| KANG Zhiyong.Apparent Resistivity Calculation and Porosity Fluid Properties Identification in Sand Formation[J].Well Logging Technology,2011,35(4):335-339. |
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| Authors: | KANG Zhiyong |
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| Affiliation: | KANG Zhiyong(Exploration and Development Research Institute of Liaohe Oilfield Company,CNPC,Panjin,Liaoning 124010,China) |
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| Abstract: | Apparent resistivity interpretation equations for oil zone,payzone with mobile water and aqueous layer have been established based on the homogeneous reservoir rock model.Proposed are the concepts of displacement rate of the formation fluid and allocation coefficients of the mud filtrate.The formation fluid displacement rate is used for quantification appraisal of sand formation contaminant under the condition of fresh drilling mud or salt drilling mud.It is believed the lower the resistivity of drilling fl... |
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| Keywords: | log evaluation mud invasion apparent resistivity increased resistance decreased resistivity fluid property sand |
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