IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0742105
(2003-12-18)
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발명자
/ 주소 |
- Kelly, Michael C.
- Skidmore, Charles M.
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출원인 / 주소 |
- Emerald Geoscience Research Corporation
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
33 인용 특허 :
7 |
초록
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A method for generating P-S or S-S seismic data from P-P AVO data in P-P travel time for a geographic area includes obtaining a plurality of amplitude and angle of incidence pairs of P-P AVO data. The plurality of amplitude and angle of incidence pairs of P-P AVO data are inverted. Lastly, estimates
A method for generating P-S or S-S seismic data from P-P AVO data in P-P travel time for a geographic area includes obtaining a plurality of amplitude and angle of incidence pairs of P-P AVO data. The plurality of amplitude and angle of incidence pairs of P-P AVO data are inverted. Lastly, estimates of the rock property contrasts are produced from the inverted plurality of amplitude and angle of incidence pairs of P-P AVO data, the rock property contrasts including at least one of ΔVp/Vp, ΔVs/Vs and Δρ/ρ.
대표청구항
▼
1. A method for generating at least one of P-S or S-S seismic data from P-P AVO data in P-P travel time for a geographic area, comprising:obtaining a plurality of amplitude and angle of incidence pairs of P-P AVO data; inverting the plurality of amplitude and angle of incidence pairs of P-P AVO data
1. A method for generating at least one of P-S or S-S seismic data from P-P AVO data in P-P travel time for a geographic area, comprising:obtaining a plurality of amplitude and angle of incidence pairs of P-P AVO data; inverting the plurality of amplitude and angle of incidence pairs of P-P AVO data; and producing estimates of rock property contrasts from the inverted plurality of amplitude and angle of incidence pairs of P-P AVO data, the rock property contrasts including at least one of ΔVp/Vp, ΔVs/Vs and Δρ/ρ. 2. The method of claim 1, wherein at least one of said P-S or S-S seismic data includes a respective P-S attribute or S-S seismic attribute.3. The method of claim 1, wherein generating at least one of P-S or S-S seismic data further includes generating the data in at least one of P-P travel time, depth, P-S travel time, and S-S travel time.4. The method of claim 1, wherein inverting the plurality of amplitude and angle of incidence pairs of P-P AVO data includes using at least one of a linear P-P AVO equation or a non-linear P-P AVO equation.5. The method of claim 1, further comprising:responsive to the estimates of the rock property contrasts, deriving a rock property response, the rock property response including at least one of a P-S and S-S full stack, angle stacks, rock property contrasts combinations ΔZs/Zs, Δ(Vp/Vs)/(Vp/Vs), Δσ/σ and any other combinations of rock properties derivable from the rock property contrasts ΔVs/Vs and Δρ/ρ. 6. The method of claim 5, further comprising:modifying a vertical scale of the derived rock property contrasts from TPP to at least one of depth Z, travel time TPS, and travel time TSS, wherein modifying includes utilizing at least one of data derived P wave velocities, data derived S wave velocities, and estimates of S wave velocities from P wave velocities. 7. A method for generating at least one of P-S or S-S seismic data from P-P AVO data in P-P travel time for a geographic area, comprising:obtaining a plurality of amplitude and angle of incidence pairs of P-P AVO data; inverting the plurality of amplitude and angle of incidence pairs of P-P AVO data using at least one of a linear P-P AVO equation and a non-linear P-P AVO equation, producing estimates of the rock property contrasts from the inverted plurality of amplitude and angle of incidence pairs of P-P AVO data, the rock property contrasts including at least one of ΔVp/Vp, ΔVs/Vs and Δρ/ρ, wherein generating at least one of P-S or S-S seismic data further includes generating the data in at least one of P-P travel time, depth, P-S travel time, and S-S travel time, and responsive to the estimates of the rock property contrasts, deriving a rock property response, the rock property response including at least one of a P-S and S-S full stack, angle stacks, rock property contrasts combinations ΔZs/Zs, Δ(Vp/Vs)/(Vp/Vs), Δσ/σ and any other combinations of rock properties derivable from the rock property contrasts ΔVs/Vs and Δρ/ρ. 8. The method of claim 7, further comprising:modifying a vertical scale of the derived rock property contrasts from TPP to at least one of depth Z, travel time TPS, and travel time TSS, wherein modifying includes utilizing at least one of data derived P wave velocities, data derived S wave velocities, and estimates of S wave velocities from P wave velocities.
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