CN1138902A - 地震信号处理及勘探方法 - Google Patents
地震信号处理及勘探方法 Download PDFInfo
- Publication number
- CN1138902A CN1138902A CN95191202A CN95191202A CN1138902A CN 1138902 A CN1138902 A CN 1138902A CN 95191202 A CN95191202 A CN 95191202A CN 95191202 A CN95191202 A CN 95191202A CN 1138902 A CN1138902 A CN 1138902A
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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
- G01V1/30—Analysis
- G01V1/301—Analysis for determining seismic cross-sections or geostructures
-
- 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
- G01V1/288—Event detection in seismic signals, e.g. microseismics
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Acoustics & Sound (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Geophysics And Detection Of Objects (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
Description
subroutine coh(x,y,z,rho,mins,maxs,iwinl,nlags,sr)
real x(mins:maxs),y(mins:maxs),z(mins:maxs)
real rho(mins:maxs)
ihwin=iwin1/2
do j=mins+ihwin,maxs-ihwin
k=j-ihwin
call cross(x(k),iwinl,y(k),iwinl,nlags,sr,rho1,tshf1)
call cross(x(k),iwinl,z(k),iwinl,nlags,sr,rho2,tshf2)
rho(J)=sqrt(rho1*rho2)
enddo
return
end
subroutine cross(x,nx,y,ny,lags,sr,peak,tshift)
real x(0:nx-1),y(0:ny-1),sr,peak,tshift
parameter(maxlags=128)
<dp n="d5"/>
real g(-maxlags:+maxlags)
double precision xx,yy
nlags=max(0,min(lags,maxlags))
tshift=0.0
peak=0.0
xx=0.0yy=0.0
ks=0
do ix=0,nx-1
xx=x(ix)**2+xx
enddo
if(xx.eq.0.0)return
do iy=0,ny-1
yy=y(iy)**2+yy
enddo
if(yy.eq.0.0)return
do is=-nlags,+nlags
g(is)=0.0
do it=0,nx-1
if(it-is.ge.0)then
if(it-is.le.ny-1)then
g(is)=g(is)+x(it)*y(it-is)
endif
endif
enddo
if(abs(peak).lt.abs(g(is)))then
peak=g(is)
ks=is
endif
enddotshift=ks*sr
<dp n="d6"/>
peak=peak/sqrt(xx*yy)
return
end
Claims (26)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/353,934 | 1994-12-12 | ||
| US08/353,934 US5563949A (en) | 1994-12-12 | 1994-12-12 | Method of seismic signal processing and exploration |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1138902A true CN1138902A (zh) | 1996-12-25 |
| CN1121619C CN1121619C (zh) | 2003-09-17 |
Family
ID=23391212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95191202A Expired - Fee Related CN1121619C (zh) | 1994-12-12 | 1995-10-05 | 地震信号处理及勘探方法 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US5563949A (zh) |
| EP (1) | EP0736185B1 (zh) |
| CN (1) | CN1121619C (zh) |
| AU (1) | AU696742B2 (zh) |
| CA (1) | CA2179901C (zh) |
| EG (1) | EG20609A (zh) |
| MX (1) | MX9603026A (zh) |
| NO (1) | NO311316B1 (zh) |
| RU (1) | RU2144683C1 (zh) |
| WO (1) | WO1996018915A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016070587A1 (zh) * | 2014-11-05 | 2016-05-12 | 中国石油天然气集团公司 | 基于trap-3d软件寻找油气藏的方法 |
| CN112068201A (zh) * | 2020-09-29 | 2020-12-11 | 中国地质大学(北京) | 一种古隆起边缘不整合三角带的勘探方法 |
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1996
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016070587A1 (zh) * | 2014-11-05 | 2016-05-12 | 中国石油天然气集团公司 | 基于trap-3d软件寻找油气藏的方法 |
| US10228478B2 (en) | 2014-11-05 | 2019-03-12 | China National Petroleum Corporation | Method of searching for oil-gas reservoir based on trap-3D software |
| CN112068201A (zh) * | 2020-09-29 | 2020-12-11 | 中国地质大学(北京) | 一种古隆起边缘不整合三角带的勘探方法 |
| CN112068201B (zh) * | 2020-09-29 | 2021-10-01 | 中国地质大学(北京) | 一种古隆起边缘不整合三角带的勘探方法 |
Also Published As
| Publication number | Publication date |
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| NO311316B1 (no) | 2001-11-12 |
| CA2179901C (en) | 1998-08-18 |
| EP0736185A1 (en) | 1996-10-09 |
| US5838564A (en) | 1998-11-17 |
| CN1121619C (zh) | 2003-09-17 |
| AU696742B2 (en) | 1998-09-17 |
| EP0736185B1 (en) | 1997-07-09 |
| MX9603026A (es) | 1997-06-28 |
| AU4133396A (en) | 1996-07-03 |
| RU2144683C1 (ru) | 2000-01-20 |
| CA2179901A1 (en) | 1996-06-20 |
| NO962731D0 (no) | 1996-06-27 |
| NO962731L (no) | 1996-10-11 |
| WO1996018915A1 (en) | 1996-06-20 |
| EG20609A (en) | 1999-09-30 |
| US5563949A (en) | 1996-10-08 |
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