Triple Combination Production Chemistry Product

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Mitigate iron sulfide, corrosion, and scale formation with a single treatment

Page last modified
August 4 2023

Baker Hughe's WCW3444 triple combination product is a first-of-its-kind. It is specially formulated to address and control three frequent oilfield production challenges: iron sulfide, corrosion, and scale formation. This product contains tetrakishydroxymethyl phosphonium sulfate (THPS) as an iron chelating agent to dissolve iron sulfide deposits that can lead to under deposit corrosion, plugging and failures. The corrosion inhibitor provides protection against corrosion in sweet and sour systems under high and low wall shear stresses. The broad spectrum scale inhibitor is effective against a wide range of oilfield scales.  WCW3444 triple combination product can be applied downhole through a stainless steel capillary string up to temperatures of 200°F (93°C). 


Can be applied to conventional and unconventional gas and oil
Can be applied to water injection or disposal systems
Can be capillary applied up to temperatures of 200°F (93°C)
Efficient and convenient single application
Water soluble
Less workovers and cleanouts
Can treat under deposit corrosion
Controls FeS coming from horizontals
Ammonium must be present for any THPS based product to be economical
Produced brines should have low barium levels


Areas of Application WCW3444 product can be applied in gas lift, plunger lift, rod lift, and naturally-flowing wells. It can also be used on the surface to protect equipment
Capabilities Scale treatment: Inhibits calcite and barite formation | Corrosion inhibition: Effective against high shear corrosion as well as CO2 and H2S corrosion
Compliance REACH registered | Cannot currently be used in EU
Impact Less corrosive to mild steel that other THPS based products
Material Liquid chemical injection
Patents Patent pending
Techniques Capillary, annular slipstream and surface injection
Versatility 3 in 1 treatment: Treatment for FeS, corrosion and scale


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Technology Readiness Level


Development Technology demonstration Mature / Proven
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Baker Hughes is an international industrial service company and one of the world's largest oil field services companies.

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