US 11,719,082 B2
Treatment of OTSG blowdown
Ramesh Sharma, Houston, TX (US); Travis Dinsdale, Calgary (CA); Amber J. Taylor, Fort McMurray (CA); Babajide Kolade, Tulsa, OK (US); and Jay Locklear, Bartlesville, OK (US)
Assigned to CONOCOPHILLIPS COMPANY, Houston, TX (US)
Filed by CONOCOPHILLIPS COMPANY, Houston, TX (US)
Filed on Nov. 18, 2021, as Appl. No. 17/530,299.
Application 17/530,299 is a division of application No. 15/170,338, filed on Jun. 1, 2016, granted, now 11,199,078.
Claims priority of provisional application 62/174,903, filed on Jun. 12, 2015.
Prior Publication US 2022/0074292 A1, Mar. 10, 2022
Int. Cl. E21B 43/24 (2006.01); C02F 1/66 (2023.01); C02F 1/00 (2023.01); C02F 5/02 (2023.01)
CPC E21B 43/2406 (2013.01) [C02F 1/66 (2013.01); C02F 5/025 (2013.01); C02F 2001/007 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A steam generator system for oil production, comprising:
a) an once through steam generator (OTSG) having a feedwater line for inputting feedwater into said OTSG, said OTSG capable of generating steam and blowdown water;
b) a separator for separating said steam and said blowdown water;
c) an acid supply tank for acidifying said blowdown water;
d) a settling tank for clarifying acidic blowdown water;
e) a clarified blowdown water line for feeding said clarified blowdown water to said feedwater line;
f) wherein elements a through e are fluidly connected.