US 9,809,478 B2
Recycling and treatment process for produced and used flowback fracturing water
Chad Allen Randal, Cochrane (CA)
Assigned to Amperage Energy Inc., Cochrane, AB (CA)
Filed by Chad Allen Randal, Cochrane (CA)
Filed on Jul. 8, 2010, as Appl. No. 12/832,662.
Claims priority of provisional application 61/223,904, filed on Jul. 8, 2009.
Prior Publication US 2011/0005999 A1, Jan. 13, 2011
Int. Cl. C02F 1/00 (2006.01); C02F 9/00 (2006.01); C02F 1/32 (2006.01); C02F 1/44 (2006.01); C02F 1/72 (2006.01); C02F 103/18 (2006.01)
CPC C02F 9/00 (2013.01) [C02F 1/32 (2013.01); C02F 1/44 (2013.01); C02F 1/72 (2013.01); C02F 2103/18 (2013.01); C02F 2201/008 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A method for use with treating contaminated flowback fracturing water used or produced at a well site, the method comprising:
establishing, proximate to the well site, a treated water finish tank, a waste tank, and an untreated water receipt tank to receive the contaminated water from the well site;
transporting one or more portable and configurable containers proximate to the well site, the containers comprising at least a pump subsystem and a treatment subsystem;
receiving, at a control subsystem, one or more control parameters indicative of at least one of: (1) one or more characteristics of the contaminated water at the well site, (2) one or more desired characteristics of treated water output from the containers, and (3) a volume of water to be treated;
interconnecting, via the pump subsystem, the receipt tank to the treatment subsystem, and the treatment subsystem to the finish tank and waste tank; and
operating the subsystems to treat the contaminated water, wherein the contaminated water of the receipt tank is pumped by the pump subsystem through the treatment subsystem, in which at least an oxidizer and a coagulant are added to the contaminated water to scavenge out residual pumping industry chemistry, and pumping water through a hydration tank, then a hopper, and then from the hopper directly into a tiered retention vessel having a flat bottom wall, the tiered retention vessel configured to settle the oxidizer, the coagulant and the scavenged residual pumping industry chemistry, resulting in the treated water entering the finish tank and residual materials entering the waste tank; and
adjusting (1) a selection of one or more selected types of chemicals of a plurality of different types of chemicals to be added to the contaminated water based on the one or more control parameters, (2) an amount of the selected types of chemicals to be added to the contaminated water based on the one or more control parameters, and (3) a mixture of the selected types of chemicals to be added to the contaminated water based on the one or more control parameters.