Deepwater test liquid of complexing water base
2015
The invention discloses deepwater test liquid of a complexing water base and relate to the field of oil gas exploration. The deepwater test liquid is a test liquid system of non-inorganic salt weighing. In the formula of the test liquid, multi-functional group small-molecular weight organic alcohol compound which can be bound with water molecule is contained. The test liquid has strong rheological property, water sensitivity-prevention ability, water blocking-prevention ability and higher rot resistance. The test liquid can be well compatible to previous working liquid, non-storing layer segment test liquid and formation water, and has strong storing layer protecting ability and self-flowback ability. According to the invention, favorable effects are achieved in on-site oil field application; contradiction between gas hydrate inhibition and storing layer protection; and gaps in research of deepwater tests is filled.
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