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碳酸盐岩酸压裂缝导流能力随缝长变化规律研究

王玉芳 杜建军 牛新年

王玉芳, 杜建军, 牛新年, 2015. 碳酸盐岩酸压裂缝导流能力随缝长变化规律研究. 地质力学学报, 21 (4): 546-554.
引用本文: 王玉芳, 杜建军, 牛新年, 2015. 碳酸盐岩酸压裂缝导流能力随缝长变化规律研究. 地质力学学报, 21 (4): 546-554.
WANG Yu-fang, DU Jian-jun, NIU Xin-nian, 2015. STUDY ON ACID FRACTURE CONDUCTIVITY WITH LENGTH VARIATION IN CARBONATE RESERVOIR. Journal of Geomechanics, 21 (4): 546-554.
Citation: WANG Yu-fang, DU Jian-jun, NIU Xin-nian, 2015. STUDY ON ACID FRACTURE CONDUCTIVITY WITH LENGTH VARIATION IN CARBONATE RESERVOIR. Journal of Geomechanics, 21 (4): 546-554.

碳酸盐岩酸压裂缝导流能力随缝长变化规律研究

详细信息
    作者简介:

    王玉芳(1977-), 女, 山东临朐人, 硕士。主要从事油气藏工程及非常规油气资源调查及勘探等方面的研究。E-mail:147444819@qq.com

  • 中图分类号: TE357

STUDY ON ACID FRACTURE CONDUCTIVITY WITH LENGTH VARIATION IN CARBONATE RESERVOIR

  • 摘要: 酸压裂缝的缝长和导流能力是评价酸化压裂效果的2个重要指标, 通过应用FracproPT软件对碳酸盐岩酸压过程中酸蚀裂缝导流能力和缝长变化趋势的拟合, 总结了碳酸盐岩油气藏不同储层类型中的裂缝导流能力随缝长的变化规律, 从裂缝导流能力随缝长的变化趋势中可以半定量判断碳酸盐岩储层中缝洞发育带的发育规模。拟合结果与地震和测井解释结果相结合, 对定性和定量判断碳酸盐岩缝洞发育体的规模具有重要意义。

     

  • 图  1  实验结果与N-K曲线对比

    Figure  1.  Contrast between experimental result and N-K curve

    图  2  XX1井6322~6415 m净压力拟合裂缝导流能力与缝长的关系(酸压)

    Figure  2.  Relationship between net pressure fitting flow conductivity and acid fracture length at 6322~6415m in the Well XX1

    图  3  XX2井6619~6645 m酸蚀裂缝导流能力与酸蚀缝长关系

    Figure  3.  Relationship between acid etched fraetloe conductivity and fracture length at 6619~6645 m in the Well XX2

    图  4  XX3井5763~5770 m酸蚀裂缝导流能力与酸蚀缝长关系

    Figure  4.  Relationship between acid etched fraeture conductivity and fracture length at 5763~5770 m in the Well XX3

    图  5  XX4井6603~6619 m净压力拟合裂缝导流能力与缝长的关系(直线型)

    Figure  5.  Relationship between net pressure fitting flow conductivity and fracture length at 6603~6619 m in the Well XX4

    图  6  XX5井5940~5960 m净压力拟合裂缝导流能力与缝长的关系(凹形)

    Figure  6.  Relationship between net pressure fitting flow conductivity and fracture length at 6603~6619 m in the Well XX5

    图  7  XX6井6326~6370 m净压力拟合裂缝导流能力与缝长的关系(直线型)

    Figure  7.  Relationship between net pressure fitting flow conductivity and fracture length at 6326~6370 m in the Well XX6

    图  8  XX7井5850~5920 m净压力拟合裂缝导流能力与缝长的关系(凸型)

    Figure  8.  Relationship between net pressure fitting flow conductivity and fracture length at 5850~5920 m in the Well XX7

    图  9  XX8井6438~6448 m净压力拟合裂缝导流能力与缝长的关系

    Figure  9.  Relationship between net pressure fitting flow conductivity and fracture length at 6438~6448 m in the Well XX8

    图  10  XX9井5579~5630 m净压力拟合裂缝导流能力与缝长的关系

    Figure  10.  Relationship between net pressure fitting flow conductivity and fracture length at 5579~5630 m in the Well XX9

    图  11  过XX10井分频地震剖面

    Figure  11.  Frequency division seismic section through the Well XX10

    图  12  XX10井物探平面属性图

    Figure  12.  Geophysical exploration plane graph of XX10 well

    图  13  XX10井6785~6805 m酸压施工曲线

    Figure  13.  Acid fracturing curve at 6785~6805 m in the Well XX10

    图  14  XX10井净压力拟合裂缝导流能力与缝长的关系

    Figure  14.  Relationship between net pressure fitting flow conductivity and fracture length in the Well XX10

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  • 收稿日期:  2015-05-20
  • 刊出日期:  2015-04-01

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