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landmark 蓝马 PostStackESP(属性)


PostStack
PostStack/PAL/ESP

PAL

PostSatck
PostStack ? ? ? ? ? ? SEG Y SEG Y 2D 3D 3D cd 2D PD cmp bri 3dv SEG Y 2v2 SEG Y 3dh SeisWorks SeisWorks

SE

G
PostStack SEG Y SeisWorks 3D

Y
SeisWorks SEG Y

SeisWorks

? ? PostStack PostStack

PAL
PAL ? ? 2D Landmark 50

Seismic Balance .2v2 .2v2 PAL PAL

PostStack
PostStack OpenWorks SeisWorks OpenWorks sWorks SeisWorks ? ? PostStack. PostStack Sei roar3d 3D

PostStack PostStack

OpenWorks

1

OpenWorks

Applications PostStack/PAL

2 3 4 5

3D List roar3d PostStack/PAL/ESP Luanch

PostStack

SEG Y PAL

3

Edit Processes

PostStack
PostStack Session Exit PostStack

SeisWorks
PostStack

PostStack
PostStack

SeisWorks/2D SeisWorks/3D

SeisWorks
PostStack SeisWorks/3D SeisWorks/2D

PostStack
PostStack

1

PostStack/PAL

PostStack

PAL

PostStack

PostStack ESP

Sessions
Flow

PostStack Session

Session

Session
Session session Session ? ? project sys user library PostStack ? system library $PSHOME Session PostStack $PSHOME/port/sess session session PSUSERHOME $HOME/sess session Session

PostStack
PostStack
? ? ? ? ? ?

PostStack
PostStack

FK FK FK

AGC

PostStack ? ? ? ? ? AGC Trace Equalization Envelope Scaling Apply Scaler Time-variant scaling

Automatic Gain Control Trace Equalization Envelope Scaling Apply scaler Time-variante scaling

Yes Yes Yes No Yes

Yes No Yes No Yes

Trace Equalization

? ?

Automatic Gain Control
AGC

AGC

AGC

AGC GC

AGC AGC

A

? ?

RMS 1 % RMS RMS RMS 0.636 0.707 10

AGC AVO AGC AGC AGC

Envelope Scaling

AGC AGC

AGC

? ? ?

Apply Scalar

Time-variant Scaling

PostStack

Zero Minimum Minimum Minimum Zero Zero

Yes Yes No Yes Yes

Minor Minor Yes Minor No No

PostStack ? PostStack ? ? ?

24 48ms

96ms

24ms

Spike Deconvolution

Nyquist

0.1~1-2%

10%

Phase Correction~No Whitening

Spectral Balance

AGC

PostStack ? ? ? ? ? ? FFT AGC AGC AGC

FFT Gibbs AGC

LINE 127

PostStack

Ormsby Butterworth Phase Rotation Polarity Reversal Resample

/ / 180

PostStack

PostStack

Gibbs

2ms

PostStack 4ms 125Hz 250Hz

PostStack

FX

FK FK

Trace Mix FX Deconvolution Coherency Filter Dip Scan Stack FK Weighting FK Fan Filter

Fair Good Good Good Good Good in Reject Zone

Good Poor Poor Good Poor Good

? ? ?

FX

FK FK FK

1

FX
FX

? ? ?

FX FK

FFT

ρ

ρ

τ ρ τ ρ t x

Inline Inline

F-K
FK F K

FK 1 FK FK

FK 2

FK
τ ρ F K

FK FK

PostStackESP

PostStack ESP Fscan3D Along Horizon

ESP SeisWorks

PostStackESP FScan 3D Fscan 2D Fscan 3D Along Horizon Edge Detection Dip and Azimuth Image Enhancement FScan 3D Fscan 2D Fscan 3D Along Horizon

FScan 3D Fscan 2D inline by inline trace by trace Fscan 3D Along Horizon SeisWorks Edge Detection Image Enhancement Dip and Azimuth 1 64 Laplacian or Sobel Subtract 0 360 Manhattan Manhattan crossline by crossline 2D 3D 3D

FScan
FScan Manhattan

Fscan

Fscan

1

8

Manhattan SeisWorks Fscan ? Dip Options ( Selection and Calculation Steps) Unconstrained

Manhattan Fscan Manhattan

8 Planar Dip Contrained Fscan 2D

Fscan 3D ? ? ?

Unconstrained EII-2 Traces FScan 2D

Scan Pattern Selection Step

Windows Length Selection and Calculation Steps 20 100ms Maximum dip search Selection and Calculation Steps Unconstrained Planar Dip Contrained ms/tr

?

Evaluation Statistic Selection Step Minimum Minimum Remove Bias Scaling Step Fscan 0 1.0

Maximum

?

SeisWorks

? ? ? ? ?

Minimum Fscan Data

Fscan 3D
Fscan 3D Fscan 3D 1 8

Unconstrained

Planar Dip Constrained 8


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