Water, Bacteria & Corrosion

Naturally, water production happens. But if untreated, it can cause serious issues to your production equipment, end product, & cost a lot of money in overhauls and maintenance costs.

The best approach is a proactive approach. Testing your water can pinpoint what kind of treatment is required. 

  • Iron/Manganese: The presence of Iron (>3.0mg/L) and Manganese (>0.3mg/L) indicate the presence of active corrosion and indicate the need for remedial measure to both treat existing corrosion and mitigate future corrosion. 
  • Scale: Scale prediction models are highly predictive of the presence of scale condensate and the likelihood of scale condensate formation. The formation of scale in tubulars and surface equipment can lead to a myriad of problems ranging from restricted tubulars, increased pump pressures, failed valves, failed monitoring equipment and decreased flow. 
  • Sulfur Reducing Bacteria (SRB) and Acid Producing Bacteria (APB): SRB and APB are bacteria found naturally in the water associated with crude oil producing reservoirs. SRBs are bacteria that can reduce elemental Sulfur into hydrogen sulfide. Hydrogen sulfide is particularly corrosive to steel. APBs are capable of producing fatty acids and acetic acid via fermentation. They are also particularly corrosive to steel. These bacteria can also produce water-in-oil emulsions (sludge) in surface storage tanks. These emulsions can also be highly corrosive and lead to storage vessel failures. 
  • Chlorides: Chloride ions indicate the potential for either corrosion or the formation of salt deposits in surface lines, vessels, equipment, valves and monitoring equipment. 
  • Oil and In-Oil Solids: Produced water contains a portion of crude oil typically in the form of a reverse emulsion. That crude oil contains formation solids that are trapped in the emulsion. For offshore applications where treated produced water is dumped overboard it is essential to remove any remaining oil in the water to eliminate forming a sheen during overboard discharge. For injection well operations where produced water is either disposed of via injection into a disposal well or in water flooding operations where produced water is used to drive oil towards another well bore through h injection into the reservoir it is essential to remove the emulsion and solids to prevent formation damage. 

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