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Erratum
Geophysical Prospecting ( IF 1.8 ) Pub Date : 2021-05-16 , DOI: 10.1111/1365-2478.13095


In Dias et al. (2021), the following errors were published on pages 672, 673, 674, 675 and 676.

The labels for the vertical range of Figures A1 (a‐i), A2 (b, e, c, f‐i), A3 (b, e, c, f‐i), A4 (b, c, e, f, h, i) and A5 (b, c, e, f, h, i) were incorrectly changed to “Vp,Vs (m/s)”.

The titles of the cross‐plots in Figure A5 (c, f, i) were wrongly indicated as “Elastic Trends Evaluation ‐ Well A”.

image
Figure A1
Open in figure viewerPowerPoint
Petroelastic trends evaluation for Well B, C and E: V p versus TCMR crossplots containing petroelastic trends of reservoir and non‐reservoir units with the NMR index, water saturation ( S w ) and CBW porosity values in the colourbars. Analysing and comparing all the crossplots, we clearly see the NMR index is a good indicator to disentangle the stiffer, oil‐saturated and macroporous petroelastic trends (reservoir units) from the softer, water‐saturated and microporous petroelastic trends (non‐reservoir units).
image
Figure A2
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well A: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of reservoir and non‐reservoir units with the NMR index, water saturation ( S w ) and CBW porosity values in the colourbars. Analysing and comparing all the crossplots, we clearly see the NMR index is a good indicator to disentangle the stiffer, oil‐saturated and macroporous elastic and petroelastic trends (reservoir units) from the softer, water‐saturated and microporous elastic and petroelastic trends (non‐reservoir units).
image
Figure A3
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well D: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of reservoir and non‐reservoir units with the NMR index, water saturation ( S w ) and CBW porosity values in the colourbars. Analysing and comparing all the crossplots, we clearly see the NMR index is a good indicator to disentangle the stiffer, oil‐saturated and macroporous elastic and petroelastic trends (reservoir units) from the softer, water‐saturated and microporous elastic and petroelastic trends (non‐reservoir units).
image
Figure A4
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well A: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of the reservoir unit with VCAR, VQFM and VCLAY values in the colourbars. Analysing and comparing all the crossplots, we see carbonate is the predominant mineral but quartz is also present, for high and low porosity values, quartz volumes in the order of 40% to 50% can be found, in general the reservoir has around 20% to 25% of quartz in its matrix by analysing only these crossplots. The volume of clay is low, in the order of 2%.
image
Figure A5
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well D: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of the reservoir unit with VCAR, VQFM and VCLAY values in the colourbars. Analysing and comparing all the crossplots, we see carbonate is the predominant mineral but quartz is also present, mainly for low porosity values, quartz volumes in the order of 40% to 50% can be found, in general the reservoir has around 20% to 25% of quartz in its matrix by analysing only these crossplots. The volumes of clay are even lower, if we compare these petroelastic trends with Well A counterparts.

The labels for the affected vertical range should be “Vp (m/s)” and “Vp/Vs” accordingly. As such, the x‐axes in Figures A2 (b, e), A3 (b, e), A4 (c, f, i) and A5 (c, f, i) should be Vs (m/s). The titles of the cross‐plots in Figure A5 (c, f, i) should be “Elastic Trends Evaluation ‐ Well D”. The corrected version of the Figures is shown below.

image
Figure A1
Open in figure viewerPowerPoint
Petroelastic trends evaluation for Well B, C and E: V p versus TCMR crossplots containing petroelastic trends of reservoir and non‐reservoir units with the NMR index, water saturation ( S w ) and CBW porosity values in the colourbars. Analysing and comparing all the crossplots, we clearly see the NMR index is a good indicator to disentangle the stiffer, oil‐saturated and macroporous petroelastic trends (reservoir units) from the softer, water‐saturated and microporous petroelastic trends (non‐reservoir units).
image
Figure A2
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well A: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of reservoir and non‐reservoir units with the NMR index, water saturation ( S w ) and CBW porosity values in the colourbars. Analysing and comparing all the crossplots, we clearly see the NMR index is a good indicator to disentangle the stiffer, oil‐saturated and macroporous elastic and petroelastic trends (reservoir units) from the softer, water‐saturated and microporous elastic and petroelastic trends (non‐reservoir units).
image
Figure A3
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well D: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of reservoir and non‐reservoir units with the NMR index, water saturation ( S w ) and CBW porosity values in the colourbars. Analysing and comparing all the crossplots, we clearly see the NMR index is a good indicator to disentangle the stiffer, oil‐saturated and macroporous elastic and petroelastic trends (reservoir units) from the softer, water‐saturated and microporous elastic and petroelastic trends (non‐reservoir units).
image
Figure A4
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well A: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of the reservoir unit with VCAR, VQFM and VCLAY values in the colourbars. Analysing and comparing all the crossplots, we see carbonate is the predominant mineral but quartz is also present, for high and low porosity values, quartz volumes in the order of 40% to 50% can be found, in general the reservoir has around 20% to 25% of quartz in its matrix by analysing only these crossplots. The volume of clay is low, in the order of 2%.
image
Figure A5
Open in figure viewerPowerPoint
Elastic and petroelastic trends evaluation for Well D: V p versus TCMR, V p / V s versus AI and V p versus V s crossplots containing elastic and petroelastic trends of the reservoir unit with VCAR, VQFM and VCLAY values in the colourbars. Analysing and comparing all the crossplots, we see carbonate is the predominant mineral but quartz is also present, mainly for low porosity values, quartz volumes in the order of 40% to 50% can be found, in general the reservoir has around 20% to 25% of quartz in its matrix by analysing only these crossplots. The volumes of clay are even lower, if we compare these petroelastic trends with Well A counterparts.

We apologize for these errors.



中文翻译:

勘误表

在Dias等人中。(2021),在第672、673、674、675和676页上发布了以下错误。

图A1(a-i),A2(b,e,c,f‐i),A3(b,e,c,f‐i),A4(b,c,e,f ,h,i)和A5(b,c,e,f,h,i)错误地更改为“ V p,V s(m / s)”。

图A5中的交叉图的标题(c,f,i)被错误地标记为“弹性趋势评估-A井”。

图像
图A1
在图形查看器中打开微软幻灯片软件
B,C和E井的岩石弹性趋势评估: 伏特 p 与包含NMR指数,水饱和度( 小号 w )和彩条中的CBW孔隙率值。通过分析和比较所有交叉图,我们可以清楚地看到,NMR指数是区分较硬,油饱和和大孔岩弹性趋势(储层单元)与较软,水饱和和微孔岩弹性趋势(非储层单元)的良好指标。 。
图像
图A2
在图形查看器中打开微软幻灯片软件
A井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 包含NMR指数,水饱和度( 小号 w )和彩条中的CBW孔隙率值。通过分析和比较所有交叉图,我们可以清楚地看到,NMR指数是区分较硬的,油饱和的和大孔的弹性和石油弹性趋势(储层单元)与较软的,水饱和的和微孔的弹性和石油弹性趋势(非储层单元)的一个很好的指标。 -水库单位)。
图像
图A3
在图形查看器中打开微软幻灯片软件
D井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 包含NMR指数,水饱和度( 小号 w )和彩条中的CBW孔隙率值。通过分析和比较所有交叉图,我们可以清楚地看到,NMR指数是区分较硬的,油饱和的和大孔的弹性和石油弹性趋势(储层单元)与较软的,水饱和的和微孔的弹性和石油弹性趋势(非储层单元)的一个很好的指标。 -水库单位)。
图像
图A4
在图形查看器中打开微软幻灯片软件
A井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 交叉图,其中包含色标中的VCAR,VQFM和VCLAY值的储层单元的弹性和岩石弹性趋势。通过分析和比较所有横交图,我们可以看到碳酸盐是主要矿物,但石英也存在,对于高低孔隙率值,可以发现石英体积在40%到50%的数量级,通常储层中大约有20%通过仅分析这些交叉图,可将其基质中石英的含量提高到25%。粘土的体积很低,约为2%。
图像
图A5
在图形查看器中打开微软幻灯片软件
D井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 交叉图,包含色标中的VCAR,VQFM和VCLAY值的储层单元的弹性和岩石弹性趋势。通过分析和比较所有横交图,我们可以看到碳酸盐是主要的矿物,但石英也存在,主要是因为孔隙率低,可以发现石英体积大约为40%到50%,通常储层中大约有20%到50%左右。仅分析这些交叉图,即可发现其基质中石英的25%。如果我们将这些岩石弹性趋势与A井对应物进行比较,则粘土的体积甚至更低。

受影响的垂直范围的标签应分别为“ V p(m / s)”和“ V p / V s ”。因此,图A2(b,e),A3(b,e),A4(c,f,i)和A5(c,f,i)中的x轴应为V s(m / s)。图A5(c,f,i)中的交叉图的标题应为“弹性趋势评估-D井”。图的更正版本如下所示。

图像
图A1
在图形查看器中打开微软幻灯片软件
B,C和E井的岩石弹性趋势评估: 伏特 p 与包含NMR指数,水饱和度( 小号 w )和彩条中的CBW孔隙率值。通过分析和比较所有交叉图,我们可以清楚地看到,NMR指数是区分较硬,油饱和和大孔岩弹性趋势(储层单元)与较软,水饱和和微孔岩弹性趋势(非储层单元)的良好指标。 。
图像
图A2
在图形查看器中打开微软幻灯片软件
A井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 包含NMR指数,水饱和度( 小号 w )和彩条中的CBW孔隙率值。通过分析和比较所有交叉图,我们可以清楚地看到,NMR指数是区分较硬的,油饱和的和大孔的弹性和石油弹性趋势(储层单元)与较软的,水饱和的和微孔的弹性和石油弹性趋势(非储层单元)的一个很好的指标。 -水库单位)。
图像
图A3
在图形查看器中打开微软幻灯片软件
D井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 包含NMR指数,水饱和度( 小号 w )和彩条中的CBW孔隙率值。通过分析和比较所有交叉图,我们可以清楚地看到,NMR指数是区分较硬的,油饱和的和大孔的弹性和石油弹性趋势(储层单元)与较软的,水饱和的和微孔的弹性和石油弹性趋势(非储层单元)的一个很好的指标。 -水库单位)。
图像
图A4
在图形查看器中打开微软幻灯片软件
A井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 交叉图,其中包含色标中的VCAR,VQFM和VCLAY值的储层单元的弹性和岩石弹性趋势。通过分析和比较所有横交图,我们可以看到碳酸盐是主要矿物,但石英也存在,对于高低孔隙率值,可以发现石英体积在40%到50%的数量级,通常储层中大约有20%通过仅分析这些交叉图,可将其基质中石英的含量提高到25%。粘土的体积很低,约为2%。
图像
图A5
在图形查看器中打开微软幻灯片软件
D井的弹性和岩石弹性趋势评估: 伏特 p 与TCMR相比, 伏特 p / 伏特 s 与AI和 伏特 p 相对 伏特 s 交叉图,包含色标中的VCAR,VQFM和VCLAY值的储层单元的弹性和岩石弹性趋势。通过分析和比较所有横交图,我们可以看到碳酸盐是主要的矿物,但石英也存在,主要是因为孔隙率低,可以发现石英体积大约为40%到50%,通常储层中大约有20%到50%左右。仅分析这些交叉图,即可发现其基质中石英的25%。如果我们将这些岩石弹性趋势与A井对应物进行比较,则粘土的体积甚至更低。

对于这些错误,我们深表歉意。

更新日期:2021-05-17
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