IP Library Granted Patent US 7,584,056
Granted Patent B2
US 7,584,056 · App. 11/358,296 · Granted Sep 1, 2009

Multiple suppression in angle domain time and depth migration

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Quick Facts
Patent No.
US 7,584,056
App. No.
11/358,296
Granted
Sep 1, 2009
Kind
B2
Abstract

Seismic data may be imaged using or recognizing substantially only primary reflections. Imaging seismic data may include for example integrating a plurality of seismic data points that have substantially similar arrival directions, for example, to a modeled primary ray. Seismic data points may be imaged that for example substantially meet a set of predetermined conditions, for example, conditions substantially unique to primaries, which may include for example arrival direction and angle of reflection.

Claims (33)

1. A method of imaging seismic data, the method comprising:

accepting seismic data points; and

integrating a plurality of the seismic data points if the seismic data points have substantially similar arrival directions and travel times to that of a corresponding modeled primary ray.

2. The method of claim 1 comprising integrating substantially only primary reflections.

3. The method of claim 1 comprising integrating the plurality of the seismic data points using a beam stack mechanism.

4. The method of claim 1 , comprising generating one image point using the plurality of the seismic data points.

5. The method of claim 1 , wherein the plurality of the seismic data points each have substantially similar reflection angles and azimuthal rotational directions to that of the corresponding modeled primary ray.

6. The method of claim 1 , wherein each of the plurality of the seismic data points reflect off of a subsurface structure at substantially similar locations.

7. The method of claim 1 , wherein the plurality of the seismic data points are neighboring data points.

8. The method of claim 1 , wherein the plurality of the seismic data points span a plane.

9. A method of imaging seismic data, the method comprising:

accepting seismic data; and

imaging seismic data points that substantially meet a set of predetermined conditions, wherein the set of predetermined conditions includes at least arrival direction and angle of reflection.

10. The method of claim 9 wherein substantially only primary seismic events meet the set of predetermined conditions.

11. The method of claim 9 wherein imaging comprises imaging substantially only primary reflected seismic events.

12. The method of claim 9 wherein the set of predetermined conditions includes at least travel time, arrival location, and azimuthal rotational directions.

13. The method of claim 9 wherein imaging comprises imaging a plurality of seismic data points to generate one primary data point.

14. The method of claim 9 wherein imaging seismic data comprises generating common reflection angle gathers.

15. The method of claim 9 comprising imaging seismic data using a beam stack mechanism.

16. The method of claim 9 comprising imaging seismic data using a migration mechanism in a time domain.

17. A system comprising:

a memory to store data corresponding to seismic data points; and

a processor to accept seismic data points; and integrate a plurality of the seismic data points if the data corresponding to the seismic data points include substantially similar arrival directions and travel times to that of a corresponding modeled primary ray.

18. The system of claim 17 , wherein the processor is to integrate substantially only primary reflections.

19. The system of claim 17 wherein the processor is to use a beam stack mechanism.

20. The system of claim 17 , wherein the processor is to generate one image point using the plurality of the seismic data points.

21. A system comprising:

a memory to store seismic data; and

a processor to accept the seismic data; and image seismic data points having seismic data that substantially meet a set of predetermined conditions, wherein the set of predetermined conditions includes at least arrival direction and angle of reflection.

22. The system of claim 21 , wherein the processor is to image substantially only primary reflections.

23. The system of claim 21 , wherein the plurality of seismic data points have arrival directions that are substantially similar to the arrival direction of a corresponding modeled primary ray.

24. The system of claim 21 , wherein the processor is to use a beam stack mechanism.

25. The system of claim 21 , wherein the processor is to generate one image point using the plurality of seismic data points.

Assignments (14)
RELEASE OF SECURITY INTEREST Recorded Aug 15, 2024
From: ROYAL BANK OF CANADA
To: PINNACLE MIDCO S.AR.L; PINNACLE HOLDCO S.AR.L; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM LTD.; PARADIGM LUXEMBOURG HOLDINGS S.AR.L; PARADIGM SCIENCES LTD.; PARADIGM B.V.; PARADIGM SERVICES CORP.; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM WORLDWIDE LTD.; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.AR.L; PARADIGM GEOPHYSICAL CORP.; PARADIGM GEOPHYSICAL LTD.
Reel/Frame 068298/0966 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL/FRAMES 28734/0805 AND 28925/0097 Recorded Dec 1, 2017
From: ROYAL BANK OF CANADA
To: PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PARADIGM LTD.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG) S.A.R.L.; PARADIGM WORLDWIDE LTD.; PARADIGM SCIENCES LTD.; PINNACLE MIDCO S.A.R.L.; PINNACLE HOLDCO S.A.R.L.; PARADIGM (GIBRALTAR) ACQUISITION CO LIMITED
Reel/Frame 044616/0809 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL/FRAME 028719/0099 Recorded Dec 1, 2017
From: UBS AG, STAMFORD BRANCH
To: PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PARADIGM LTD.; PINNACLE (US) ACQUISITION CO LIMITED; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG) S.A.R.L.; PARADIGM WORLDWIDE LTD.; PARADIGM SCIENCES LTD.; PINNACLE MIDCO S.A.R.L.; PINNACLE HOLDCO S.A.R.L.
Reel/Frame 044616/0820 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL/FRAME 028720/0088 Recorded Dec 1, 2017
From: UBS AG, STAMFORD BRANCH
To: PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PARADIGM LTD.; PINNACLE (US) ACQUISITION CO LIMITED; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM GEOSERVICES CANADA LTD; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG) S.A.R.L.; PARADIGM WORLDWIDE LTD.; PARADIGM SCIENCES LTD.; PINNACLE MIDCO S.A.R.L.; PINNACLE HOLDCO S.A.R.L.
Reel/Frame 044616/0846 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL/FRAME 028719/0308 Recorded Dec 1, 2017
From: UBS AG, STAMFORD BRANCH
To: PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PARADIGM LTD.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG) S.A.R.L.; PARADIGM WORLDWIDE LTD.; PINNACLE MIDCO S.A.R.L.; PARADIGM HOLDCO S.A.R.L.; PARADIGM (GIBRALTAR) ACQUISITION CO LIMITED
Reel/Frame 044616/0750 →
CORRECTIVE ASSIGNMENT TO CORRECT THE NATURE OF THE CONVEYANCE AND INCORRECT SN INADVERTENTLY INCLUDED, 12/420417 SHOULD BE 12/042417 PREVIOUSLY RECORDED ON REEL 028734 FRAME 0805. ASSIGNOR(S) HEREBY CONFIRMS THE SECOND LIEN SECURITY AGREEMENT. Recorded Sep 10, 2012
From: PINNACLE MIDCO S.A.R.L.; PINNACLE HOLDCO S.A.R.L.; PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LTD.; PARADIGM SCIENCES LTD.; PARADIGM WORLDWIDE LTD.; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A.R.L.; PARADIGM B.V.
To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
Reel/Frame 028925/0097 →
SECOND LIEN IP SECURITY AGREEMENT Recorded Aug 6, 2012
From: PINNACLE MIDCO S.A.R.L.; PINNACLE HOLDCO S.A.R.L.; PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LTD.; PARADIGM SCIENCES LTD.; PARADIGM WORLDWIDE LTD.; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A.R.L.
To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
Reel/Frame 028734/0805 →
SECOND LIEN SECURITY AGREEMENT Recorded Aug 6, 2012
From: PINNACLE MIDCO S.A.R.L.; PINNACLE HOLDCO S.A.R.L.; PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LTD.; PARADIGM SCIENCES LTD.; PARADIGM WORLDWIDE LTD.; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A.R.L.; PARADIGM B.V.
To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
Reel/Frame 028735/0001 →
SECOND LIEN IP SECURITY AGREEMENT Recorded Aug 6, 2012
From: PINNACLE MIDCO S.A.R.L.; PINNACLE HOLDCO S.A.R.L.; PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LTD.; PARADIGM SCIENCES LTD.; PARADIGM WORLDWIDE LTD.; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM LUXEMBOURG HOLDINGS S.A.R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A.R.L.
To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
Reel/Frame 028734/0651 →
SECOND LIEN SHORT FORM IP SECURITY AGREEMENT Recorded Aug 6, 2012
From: PARADIGM GEOPHYSICAL CORP.; PARADIGM GEOPHYSICAL LIMITED; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A.R.L.; PARADIGM SCIENCES LTD.
To: ROYAL BANK OF CANADA, AS COLLATERAL AGENT
Reel/Frame 028734/0910 →
FIRST LIEN SECURITY AGREEMENT Recorded Aug 3, 2012
From: PINNACLE MIDCO S.A R.L.; PINNACLE HOLDCO S.A R.L.; PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LTD.; PARADIGM SCIENCES LTD.; PARADIGM WORLDWIDE LTD.; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM LUXEMBOURG HOLDINGS S.A R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A R.L.; PARADIGM B.V.
To: UGS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 028720/0088 →
FIRST LIEN SHORT FORM IP SEC. AGREEMENT Recorded Aug 3, 2012
From: PARADIGM GEOPHYSICAL CORP.; PARADIGM GEOPHYSICAL LIMITED; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A R.L.; PARADIGM SCIENCES LTD.
To: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 028719/0099 →
FIRST LIEN IP SECURITY AGREEMENT Recorded Aug 3, 2012
From: PINNACLE MIDCO S.A R.L.; PINNACLE HOLDCO S.A R.L.; PARADIGM SERVICES CORP.; PARADIGM GEOPHYSICAL CORP.; PINNACLE (US) ACQUISITION CO LIMITED; PARADIGM GEOSERVICES CANADA LTD.; PARADIGM LTD.; PARADIGM SCIENCES LTD.; PARADIGM WORLDWIDE LTD.; PINNACLE (GIBRALTAR) ACQUISITION CO LIMITED; PARADIGM GEOPHYSICAL LIMITED; PARADIGM LUXEMBOURG HOLDINGS S.A R.L.; PARADIGM GEOPHYSICAL (LUXEMBOURG), S.A R.L.
To: UBS AG, STAMFORD BRANCH, AS COLLATERAL AGENT
Reel/Frame 028719/0308 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 22, 2006
From: KOREN, ZVI
To: PARADIGM GEOPHYSICAL LTD.
Reel/Frame 017593/0741 →