Flying Dutchman
Midland County, Texas
288.11 mi2
Geophysical Pursuit 3-D Surveys
Published: 3 November 2016
Flying Dutchman
Midland County, Texas
288.11 mi2
Anticipated Acquisition Parameters
Recording Template: Orthogonal; 36 ENE-WSW receiver lines of 232 stations w/ NNW-SSE source lines
Receiver Geometry: 165ft stations @ 825ft lines (204.8/mi²)
Source Geometry: 82.5ft stations @ 990ft lines
(341.3/mi²)
TM
Energy Source Type: VibroSeis; two AHV-IV Commander (PLS-364) units per fleet
Energy Source Details: One 2-90Hz linear 20sec sweep
Recording Instruments: Geospace GSR/X nodes w/ single GS-One 3-C (V/H1/H2) sensor
Nominal Far Offset: 23,909ft (19,058ft inline x 14,438ft crossline)
Nominal Fold: 348 acquired / 696 processed
Acquisition Bin Size: 82.5ft x 41.25ft acquired / 82.5x82.5 ft processed
Record Length: 6sec @ 2ms
Acquisition Period: Apr – Aug 2016
Contractor: Dawson Geophysical Company; Crew 43
Anticipated Primary Products (SEG-Y)
A. Full offset 3D KPrSTM stack volumes
a. Raw
b. Enhanced
B. Partial angle stacks; Near, Mid, Far
C. Velocity fields
a. Migration
b. Stacking
D. PrSTM gathers
Published: 3 November 2016
Geophysical Pursuit 3-D Surveys
P-wave Processing Sequence; Dawson Geophysical – Dec 2016
1. Geometry correction; 82.50x41.25 ft bin
2. Spherical divergence compensation / Gain recovery
3. Noise attenuation
4. Surface consistent amplitude compensation
5. Velocity analysis @ 1mi
6. Refraction statics; 3,000ft datum @ 10,000ft/sec replacement velocity
7. Surface consistent deconvolution
8. FastTrack Post-Stack Time Migration
9. Noise attenuation
10. Velocity analysis @ 1mi
11. Residual statics  final statics solution
12. Surface consistent amplitude compensation  (Signal Processed gathers)
13. Velocity analysis @ ½mi & eta function
14. Full volume anisotropic (VTI) azimuthal (Common Offset Vector, COV) Kirchhoff PrSTM (82.5x82.5ft bin
& 330ft offset increment)  (PrSTM gathers)
15. Stacking velocity analysis
16. Post migration conditioning
17. Angle stacks (near, mid & far)
18. Stack  (Raw)
19. Post stack conditioning  (Enhanced)