Data interpretation of joint compressional and shear wave survey in mountainous region (in Chinese)
Journal Article
·
· Shiyou Diqiu Wuli Kantan (Oil Geophysical Prospecting); (China)
OSTI ID:7191642
- Petroleum Geologic Survey Div., Nanchong City, Sichuan Province (China)
The join utilization of compressional and shear wave data leads one to discover nonstructural hydrocarbon traps such as stratigraphic trap, lithologic trap, fracture trap, etc. and to ascertain fluid situation in formation, lithologic variation and fracture zone, so that the accuracy of seismic data interpretation is improved greatly. In this paper, the author describes how to determine shear wave horizon, how to interpret carbonate reservoir and how to discover gas accumulation zone in HBC area in Sichuan Province. It is very important to pay more attention to analyzing the ratio between compressional wave amplitude and shear wave amplitude, and the ratio between compressional wave velocity and shear wave velocity in data interpretation. The amplitude ratio anomaly and the velocity ratio anomaly in HBC area can be usually seen at anticlinal axis areas and small noses. Generally speaking, the amplitude ratio anomaly area reflects gas accumulation and the velocity ratio anomaly area exhibits dense fracture zone. Good results have been obtained from exploratory wells in the areas where there occur the two anomalies simultaneously.
- OSTI ID:
- 7191642
- Journal Information:
- Shiyou Diqiu Wuli Kantan (Oil Geophysical Prospecting); (China), Journal Name: Shiyou Diqiu Wuli Kantan (Oil Geophysical Prospecting); (China) Vol. 27; ISSN 1000-7210; ISSN SDWKEP
- Country of Publication:
- United States
- Language:
- Chinese
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Related Subjects
02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
AMPLITUDES
CARBONATE ROCKS
DATA PROCESSING
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC DEPOSITS
GEOLOGIC FRACTURES
GEOLOGIC STRUCTURES
GEOLOGY
GEOPHYSICAL SURVEYS
LITHOLOGY
MINERAL RESOURCES
NATURAL GAS
OIL FIELDS
PATTERN RECOGNITION
PETROLEUM DEPOSITS
PROCESSING
RESERVES
RESERVOIR ROCK
RESOURCES
ROCKS
SEDIMENTARY ROCKS
SEISMIC SURVEYS
SEISMIC WAVES
STRATIGRAPHY
SURVEYS
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
AMPLITUDES
CARBONATE ROCKS
DATA PROCESSING
ENERGY SOURCES
FLUIDS
FOSSIL FUELS
FUEL GAS
FUELS
GAS FUELS
GASES
GEOLOGIC DEPOSITS
GEOLOGIC FRACTURES
GEOLOGIC STRUCTURES
GEOLOGY
GEOPHYSICAL SURVEYS
LITHOLOGY
MINERAL RESOURCES
NATURAL GAS
OIL FIELDS
PATTERN RECOGNITION
PETROLEUM DEPOSITS
PROCESSING
RESERVES
RESERVOIR ROCK
RESOURCES
ROCKS
SEDIMENTARY ROCKS
SEISMIC SURVEYS
SEISMIC WAVES
STRATIGRAPHY
SURVEYS