RU2016150545A - Быстрая вязкоакустическая и вязкоупругая инверсия полного волнового поля - Google Patents
Быстрая вязкоакустическая и вязкоупругая инверсия полного волнового поля Download PDFInfo
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- RU2016150545A RU2016150545A RU2016150545A RU2016150545A RU2016150545A RU 2016150545 A RU2016150545 A RU 2016150545A RU 2016150545 A RU2016150545 A RU 2016150545A RU 2016150545 A RU2016150545 A RU 2016150545A RU 2016150545 A RU2016150545 A RU 2016150545A
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- viscoelastic
- viscoacoustic
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- 238000000034 method Methods 0.000 claims 12
- 229930195733 hydrocarbon Natural products 0.000 claims 1
- 150000002430 hydrocarbons Chemical class 0.000 claims 1
- 238000004088 simulation Methods 0.000 claims 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V20/00—Geomodelling in general
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
- G01V1/282—Application of seismic models, synthetic seismograms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/61—Analysis by combining or comparing a seismic data set with other data
- G01V2210/614—Synthetically generated data
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/61—Analysis by combining or comparing a seismic data set with other data
- G01V2210/616—Data from specific type of measurement
- G01V2210/6161—Seismic or acoustic, e.g. land or sea measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/62—Physical property of subsurface
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V2210/00—Details of seismic processing or analysis
- G01V2210/60—Analysis
- G01V2210/67—Wave propagation modeling
- G01V2210/675—Wave equation; Green's functions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Geophysics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Acoustics & Sound (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Geophysics And Detection Of Objects (AREA)
- Electrophonic Musical Instruments (AREA)
Claims (47)
1. Способ, содержащий этапы, на которых:
получают, с помощью компьютера, начальную геофизическую модель;
моделируют, с помощью компьютера, прямое волновое поле с помощью вязкоакустических или вязкоупругих волновых уравнений, при этом прямое волновое поле с вязкоакустическими волновыми уравнениями основано на первой вспомогательной переменной, которая является функцией как от давления, так и от переменной запоминающего устройства, либо прямое волновое поле с вязкоупругими волновыми уравнениями основано на второй вспомогательной переменной, которая является функцией как от механического напряжения, так и переменной запоминающего устройства, соответственно, и первая и вторая вспомогательные переменные выбираются с возможностью исключать член сейсмической скорости из прямого волнового поля с помощью вязкоакустических или вязкоупругих волновых уравнений;
моделируют, с помощью компьютера, сопряженное волновое поле с помощью сопряженных вязкоакустических или сопряженных вязкоупругих волновых уравнений, которые извлекаются из прямых вязкоакустических или прямых вязкоупругих волновых уравнений, соответственно, и основаны на сопряженном операторе первой или второй вспомогательной переменной, соответственно, при этом моделирование включает в себя этап, на котором инструктируют пространственной производной переменной запоминающего устройства выпадать из сопряженных вязкоакустических или вязкоупругих волновых уравнений вследствие сопряженной первой или второй вспомогательной переменной;
получают, с помощью компьютера, градиент функции затрат на основе комбинации модели прямого волнового поля и модели сопряженного волнового поля; и
используют, с помощью компьютера, градиент функции затрат для того, чтобы обновлять начальную геофизическую модель и получать обновленную геофизическую модель.
2. Способ по п. 1, в котором получение начальной геофизической модели включает в себя этап, на котором получают релаксационные параметры для данного коэффициента качества с использованием обобщенной реологической модели Максвелла и параметров акустической или упругой среды.
3. Способ по п. 1, в котором получение начальной геофизической модели включает в себя этап, на котором получают релаксационные параметры для данного коэффициента качества с использованием начальной реологической модели и параметров акустической или упругой среды.
4. Способ по любому из пп. 1-3, в котором сопряженное волновое поле моделируется с использованием сопряженных вязкоакустических уравнений.
6. Способ по любому из пп. 1-5, в котором сопряженные вязкоакустические уравнения являются следующими:
t является временем,
7. Способ по любому из пп. 1-6, в котором сопряженное волновое поле моделируется с использованием сопряженных вязкоупругих уравнений.
8. Способ по п. 7, в котором вспомогательная переменная является , где является механическим напряжением, является переменной запоминающего устройства для механизма l, где l является целым числом, большим или равным 1, является упругим конститутивным соотношением для изотропной нерелаксированной системы, и является конститутивным соотношением для запоминающей системы.
9. Способ по п. 8, в котором сопряженные вязкоупругие уравнения являются следующими:
где t является временем,
10. Способ по любому из пп. 1-9, дополнительно содержащий этап, на котором используют обновленную подповерхностную модель для того, чтобы управлять углеводородами.
11. Способ по любому из пп. 1-10, в котором начальная геофизическая модель включает в себя модель на основе сейсмической скорости.
12. Способ по любому из пп. 1-11, в котором начальная геофизическая модель включает в себя модель на основе коэффициента качества.
Applications Claiming Priority (3)
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US201462013455P | 2014-06-17 | 2014-06-17 | |
US62/013,455 | 2014-06-17 | ||
PCT/US2015/027087 WO2015199800A1 (en) | 2014-06-17 | 2015-04-22 | Fast viscoacoustic and viscoelastic full-wavefield inversion |
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RU2016150545A3 RU2016150545A3 (ru) | 2018-07-17 |
RU2016150545A true RU2016150545A (ru) | 2018-07-17 |
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Country Status (11)
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US (1) | US10054714B2 (ru) |
EP (1) | EP3158367A1 (ru) |
KR (1) | KR20170018952A (ru) |
CN (1) | CN106662664A (ru) |
AU (1) | AU2015280633B2 (ru) |
BR (1) | BR112016024506A2 (ru) |
CA (1) | CA2947410A1 (ru) |
MX (1) | MX362753B (ru) |
RU (1) | RU2016150545A (ru) |
SG (1) | SG11201608179PA (ru) |
WO (1) | WO2015199800A1 (ru) |
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WO2015199800A1 (en) | 2015-12-30 |
CN106662664A (zh) | 2017-05-10 |
EP3158367A1 (en) | 2017-04-26 |
CA2947410A1 (en) | 2015-12-30 |
KR20170018952A (ko) | 2017-02-20 |
AU2015280633A1 (en) | 2016-12-22 |
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