FIELD: mining.
SUBSTANCE: summary consists in that logging device comprises acoustic logging probe with radioactive logging probe installed between its transducers, RL probe radiation source collimating window is by formed gap between fixed and moving along device axis parts of screen, movable part of screen is connected with mechanism of opening/closing of such window, open window opening position retainer and spring, wherein latter automatically closes collimating window at retainer power supply disconnection.
EFFECT: reducing radiation dose of service personnel at logging, as well as enabling operation with high-power radiation sources, which enable to increase speed of research by radioactive logging to acoustic logging speed.
4 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| CENTRALISER OF DOWNHOLE INSTRUMENT | 2015 |
|
RU2588024C1 |
| DEVICE FOR MONITORING THE TECHNICAL CONDITION OF CASED WELLS | 2021 |
|
RU2769549C1 |
| DEVICE FOR EXAMINING CEMENT RING BEHIND CASING STRING IN WELLS AND MAIN PIPELINES | 2005 |
|
RU2309437C2 |
| SECTIONAL LOGGING DEVICE FOR DOWNHOLE INSTRUMENT | 2006 |
|
RU2305766C1 |
| ACOUSTIC TRANSDUCER OF DOWNHOLE INSTRUMENT | 2015 |
|
RU2578723C1 |
| DEVICE FOR RESEARCHING CONCRETE RING BEHIND CASING COLUMN IN WELLS | 2004 |
|
RU2259574C1 |
| DEVICE FOR INSPECTING CEMENT RING BEHIND CASING STRING IN WELLS (VERSIONS) | 2004 |
|
RU2254598C1 |
| DOWNHOLE DEVICE OF GAMMA-GAMMA LOGGING | 2015 |
|
RU2611591C1 |
| MULTI-METHOD MULTI-PROBE NEUTRON LOGGING EQUIPMENT - MMNL FOR ROTATIONAL SCANNING OF SECTIONS OF OIL AND GAS WELLS | 2021 |
|
RU2771437C1 |
| METHOD OF DIAGNOSTICS OF FILLING OF CASING ANNULUS OF OIL AND GAS WELLS WITH LIGHT AND LIGHT-WEIGHT CEMENTS BY NEUTRON METHOD AND SCANNING DEVICE FOR ITS IMPLEMENTATION | 2019 |
|
RU2732804C1 |
