Neutron burst and measurement time sequence control method for stratum parameter measurement
The invention relates to a neutron burst and measurement time sequence control method for stratum parameter measurement. The method comprises at least one combination measurement period which includes a fast pulse neutron burst period used for recording and processing borehole information and a slow...
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| creator | YANG LIANHUI XIAO JIANGTAO |
| description | The invention relates to a neutron burst and measurement time sequence control method for stratum parameter measurement. The method comprises at least one combination measurement period which includes a fast pulse neutron burst period used for recording and processing borehole information and a slow pulse burst period used for recording stratum information. According to the neutron burst and measurement time sequence control method, a controllable pulse neutron generator is adopted for stratum parameter measurement, no high-strength chemical source is used, safety of a logging instrument is improved, and requirements for environment safety protection and personnel health protection can be satisfied. Via precision control of neutron bursts and measurement time sequences of the neutron generator, parameters such as a neutron porosity degree, a rock electron density of a stratum, a stratum thermal neutron macroscopic capture cross section sigma, an element content and the like can be synchronously and accurately |
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The method comprises at least one combination measurement period which includes a fast pulse neutron burst period used for recording and processing borehole information and a slow pulse burst period used for recording stratum information. According to the neutron burst and measurement time sequence control method, a controllable pulse neutron generator is adopted for stratum parameter measurement, no high-strength chemical source is used, safety of a logging instrument is improved, and requirements for environment safety protection and personnel health protection can be satisfied. 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The method comprises at least one combination measurement period which includes a fast pulse neutron burst period used for recording and processing borehole information and a slow pulse burst period used for recording stratum information. According to the neutron burst and measurement time sequence control method, a controllable pulse neutron generator is adopted for stratum parameter measurement, no high-strength chemical source is used, safety of a logging instrument is improved, and requirements for environment safety protection and personnel health protection can be satisfied. Via precision control of neutron bursts and measurement time sequences of the neutron generator, parameters such as a neutron porosity degree, a rock electron density of a stratum, a stratum thermal neutron macroscopic capture cross section sigma, an element content and the like can be synchronously and accurately</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | DETECTING MASSES OR OBJECTS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS GEOPHYSICS GRAVITATIONAL MEASUREMENTS MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING |
| title | Neutron burst and measurement time sequence control method for stratum parameter measurement |
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