Oilfield Chemicals

Iron Control Agents

Precipitation of iron compounds can cause damage to the reservoir permeability or exacerbate sludging issues causing formation damage. Control of the iron with iron control agents is essential to ensure the prevention of formation damage.

Two classes of iron control agents are reducing agents and chelates. These can both be utilized to prevent the mentioned effects; however BASF specializes in chelates chemistry and is able to offer a variety of chelates as iron control agents or sludge control agents. The Basosolve product line has several products to allow for tailor-made solutions.

Basosolve B Lq, B PWD, BX

  • Tetrasodium ethylenediaminetetraacetic acid (Na4EDTA)
  • Liquid and powder form
  • Excellent field proven technology
  • Superior binding for Fe3+
  • Low toxicity
  • Additional iron control as reducing agent at temperatures > 250°F (120°C)
  • High purity available

Basosolve BS

  • Ethylenediaminetetraacetic acid (H4EDTA)
  • Powder form
  • High calcium tolerance
  • Very good binding for Fe3+

Basosolve CK

  • Based on Glycine N,N bis[2-[bis(carboxymethyl)amino]ethyl]
  • Liquid form
  • Extremely strong binding of alkaline earth and heavy metal ions
  • Also can be used as barium/strontium scale remover

Basosolve D

  • N-(hydroxylethyl)-ethylenediamine triacetic acid (HEDTA)
  • Liquid form
  • Very good binding for Fe3+
  • Advantages over EDTA:
  • Controls iron in pH range 8 - 10.5
  • Better solubility at low pH
  • Better calcium control at pH 4 - 6