Patent ID: 7896071

Claim:
A method of evaluating foaming agent in a well comprising: a. loading foaming agent into a container, wherein said container further comprises: i. a reservoir; ii. at least one outlet port; iii. at least one inlet port; iv. a conduit, connecting said reservoir to said at least one outlet port; v. an electric pump; and vi. at least one power supply for said pump; b. lowering said container to a desired depth within a well on slickline; c. actuating said electric pump; d. continuously pumping said foaming agent from said reservoir, through said conduit and out said at least one outlet port of said container into said well; e. measuring the flow rate of hydrocarbons or water produced from said well during said pumping step; f. drawing a fluid sample from the well into said reservoir during said pumping step; and g. retrieving said container from said well.