Abstract
With the wide application of temporary plugging agent in new oil and water wells, China’s research on water-soluble temporary plugging technology can better deal with various problems in construction. Now we have four tests on the indicators of water-soluble temporary plugging agents. First, the water soluble temporary plugging agent was tested for dissolution in five different liquids at different temperatures. Secondly, the flow tester is used to measure the breakthrough pressure to further determine its strength. Again, the water insoluble matter in the water-soluble temporary plugging agent is tested for damage. Finally, in order to further determine the differential pressure performance of the temporary plugging agent, the temporary plugging agent is tested in the field, and the test result satisfies the requirement of 80 Mpa. The test results have met the engineering requirements, and the on-site test of the temporary plugging agent is consistent with the actual engineering standards, which has important guiding significance for the field oil and gas field mining.
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