Patent · US Active

In-situ surfactant retention evaluation using single well chemical tracer tests

US11286771B2 · kind B2 · utility

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13References
16Claims
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Key dates

Filing dateJul 23, 2018
Grant dateMar 29, 2022
Priority date
Expiry dateFeb 12, 2040

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/13
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present disclosure provides methods for determining surfactant retention values in subterranean reservoirs. In particular, the methods comprise conducting at least one single well chemical tracer test and performing a straight line analysis on a saturation profile of the subterranean reservoir.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.