US 11,753,578 B2
Methods of treating paraffins, iron sulfide, hydrogen sulfide, and/or bacteria
Yulia Mosina, Kingwood, TX (US); Kiran Gawas, Humble, TX (US); and Chandrashekhar Khandekar, Humble, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Apr. 26, 2021, as Appl. No. 17/240,559.
Prior Publication US 2022/0340805 A1, Oct. 27, 2022
Int. Cl. C09K 8/524 (2006.01); C09K 8/532 (2006.01)
CPC C09K 8/524 (2013.01) [C09K 8/532 (2013.01); C09K 2208/20 (2013.01)] 20 Claims
 
1. A method comprising:
adding at least one additive selected from the group consisting of: a surfactant, an acid, and an emulsion breaker to a paraffin dissolver to form a pre-mixed fluid; and contacting the pre-mixed fluid with an iron sulfide dissolver consisting of acrolein to form a treatment fluid substantially free of water;
contacting a surface comprising at least one paraffin deposit and at least one iron sulfide deposit with the treatment fluid, wherein the surface is simultaneously contacted with the paraffin dissolver and the iron sulfide dissolver; and
allowing the treatment fluid to at least partially dissolve or degrade the paraffin deposit and the iron sulfide deposit.