Sea area sandy pore filling type hydrate on-site rapid identification method and device
The invention discloses a sea area sandy pore filling type hydrate on-site rapid identification method and device, and the method comprises the steps: inputting a gamma value and a deep resistivity value of on-site drilling well position logging information; according to the determined low natural g...
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| creator | ZHONG CHAO LU JINGAN SHANG JIUJING KANG DONGJU LIANG JINQIANG WANG TONG XIE YINGFENG |
| description | The invention discloses a sea area sandy pore filling type hydrate on-site rapid identification method and device, and the method comprises the steps: inputting a gamma value and a deep resistivity value of on-site drilling well position logging information; according to the determined low natural gamma cut-off value and the resistivity baseline value, a plurality of reservoir stratum sections with the depth resistivity lower than the low natural gamma cut-off value and the depth resistivity larger than the resistivity baseline value are divided; making a first plate, wherein the first plate is a cross plot of the deep resistivity and the longitudinal wave velocity; obtaining a deep resistivity value RD and a longitudinal wave velocity value Vp corresponding to each reservoir stratum section according to the plurality of divided reservoir stratum sections, and projecting the RD values and the Vp values to the first plate to obtain projection positions; and judging the hydrate type of the reservoir section acc |
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| subjects | DETECTING MASSES OR OBJECTS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING PHYSICS TESTING |
| title | Sea area sandy pore filling type hydrate on-site rapid identification method and device |
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