Well cementation spacer fluid core filter cake cleaning efficiency evaluation device
The invention discloses a device for evaluating the cleaning efficiency of a well cementation spacer fluid core filter cake. The device comprises a high-temperature and high-pressure kettle, a driving unit, a heating unit, a pressurizing unit, a liquid pumping and recycling unit, a mechanical data a...
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| creator | HE GUANXI CHEN XU XIN XIA CHO HOON LI XIAOHAN LIU WENMING LIN ZHIHUI FU JIAWEN LI QIANG LU, ZE QI BEN |
| description | The invention discloses a device for evaluating the cleaning efficiency of a well cementation spacer fluid core filter cake. The device comprises a high-temperature and high-pressure kettle, a driving unit, a heating unit, a pressurizing unit, a liquid pumping and recycling unit, a mechanical data acquisition unit and a control unit, the device adopts heat-conducting oil as a heating carrier and a pressurizing carrier to realize simulation of an underground high-temperature and high-pressure environment, an experimental result is visual and accurate, strength changes before and after a filter cake is cleaned are collected through a mechanical probe, and result data of filter cake washing efficiency are visually represented and obtained. The device can simulate the cleaning efficiency of same or different spacer fluid cleaning filter cakes under the conditions of different temperatures, different pressures and different oil-based drilling fluids forming filter cakes, can scientifically characterize the cleanin |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONTROLLING INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TARIFF METERING APPARATUS TESTING |
| title | Well cementation spacer fluid core filter cake cleaning efficiency evaluation device |
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