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- BJ Chemical Services's PSI-1 ScaleCaps Encapsulated Scale Inhibitor
- BJ Chemical Services' Rocky Mountain field personnel, working as a team with customer personnel, began a survey of process improvement on a rod pumped well that had a history of calcium carbonate scaling. This involved analysis of production fluids, analysis of solids and failed equipment and review of the chemical...
- Case studies
- Unichem 7213 Desalting Aid Improves Heavy Oil Desalting Process
- A South American refiner had allowed several specialty chemical companies to attempt to treat difficult Boscan and Bachaquero crude feeds through an undersized, single-stage desalter The BJ Chemical Services' product development team determined that Unichem 7213 desalting aid could successfully treat the system. BJ Chemical Services' was provided the opportunity...
- Case studies
- BJ Chemical Case Study: Unichem 7217 Desalting Aid Breakthrough
- A major North Texas refiner was utilizing a patented desalting application technique, which incorporated the use of a demulsifier to both the wash water and the crude oil. The refiner felt the technique was both efficient and economical. Therefore, they believed it would be difficult for BJ Chemical Services to...
- Case studies
- Unichem 7217 Desalting Aid Dramatically Reduces Use Rate
- A western U.S. refiner felt high demulsifier usage rates were a significant problem deserving of attention. The refiner was assured by their supplier that the treatment rates were necessary for their system to achieve the desired level of performance. The BJ Chemical Services' product development team determined that usage rates...
- Case studies
- Unichem 7401 Antifoulant Extends Hydrotreater Run Lengths
- A Gulf Coast Refiner was experiencing significant fouling in the preheat section of their hydrotreater. The fouling forced the refinery to shutdown the unit, clean the exchangers and some catalyst change out. The Hydrotreater processes 36 KBD of jet fuel and had experienced very short run lengths of 7-9 months...
- Case studies
- Unichem 7424 Antifoulant Eliminates Gas Compressor Fouling
- A west Texas gas plant experienced plugging problems creating a pressure drop throughout the plant, restricting gas flow. This plant processed 12 to 14 MMCFD of wet gas with an inlet pressure of 140 psig and an outlet pressure of 85 psig. Analysis of the deposits restricting the flow revealed...
- Case studies
- Unichem 7929 Additive Prevents Costly Catalyst Deactivation
- A major Gulf Coast refinery experienced a significant decrease in the activity of their hydrotreating catalyst. The hydrotreater feedstock was primarily composed of distillate from the refinery's delayed coker unit. It was theorized that the loss in activity was caused by silicon contamination. The silicon deposits on the surface of...
- Case studies
Additional Resources
- BJ Chemical Services Additives Utilized in Processing Mayan Crude
- A refinery in Mexico was experiencing high corrosion rates in the atmospheric crude unit overhead exchangers. BJ Chemical Services was invited to investigate the problem and propose solutions. A BJ Chemical Services FastBreak additive was selected for use and a field trial was initiated. High desalter efficiency was realized using...
- Case studies
- BJ Chemical Services' Patented Mobile Chlorine Dioxide Services Solves Microbiological Problems
- Severe microbiological fouling in a Southeastern New Mexico gas plant's cooling water system was critically restricting plant throughput. This cooling tower had high efficiency polyvinylchloride PVC fill and was being treated with unusually large amounts of gaseous chlorine, bleach, and liquid non-oxidizing biocides to prevent microbiological fouling and related corrosion....
- Case studies
- BJ Chemical Case Study: Unichem 7156 Gas Pipeline Inhibitor Controls Corrosion
- A West Texas natural gas pipeline system experienced severe internal corrosion problems in their gas gathering lines. Due to their successful past experiences, they turned again to BJ Chemical Services to help them solve their problems. Unichem 7156 gas pipeline corrosion inhibitor was injected at a rate of 1 pint...
- Case studies
- BJ Chemical Case Study: GHI-7183 Gas Hydrate Inhibitor
- BJ Chemical Services Rocky Mountain field personnel, working as a team with customer personnel, began a survey for continuous process improvement. One of the early surveys reviewed treating for gas hydrates in the gas production. GHI-7183 gas hydrate inhibitor was applied initially to two wells. Methanol had been injected at...
- Case studies
- BJ Chemical Case Study: High Efficiency Hydrate Inhibitor (HEHI) System
- Five operators with 12 gas wells located in the Canadian foothills were experiencing gas hydrate problems The traditional treatment has been to pump methanol, with rates between 60 to 300 liters per day. Even with treatment there were some hydrates formed when the temperature conditions changed radically. Significant production loss...
- Case studies
- BJ Chemical Case Study: Unichem 7135 Gas Pipeline Inhibitor Controls Corrosion
- A Southeastern New Mexico natural gas pipeline system experienced severe internal corrosion problems in their gas gathering system. Mild steel coupon corrosion rates exceeded 100 mils per year in parts of the system. Unichem 7135 gas pipeline corrosion inhibitor was injected at a rate of 1.5 pints per million cubic...
- Case studies
- Unichem 7425 Antifoulant Stops Refinery Equipment Failures
- A major Rocky Mountain refiner was experiencing several equipment failures each month in their fuel gas system. The problem appeared to be due to fouling which resulted in sticking of control valves and pressure regulators throughout the fuel gas system. Expert technical services by BJ Chemical Services' personnel at the...
- Case studies
- BJ Chemical Services has Developed a Unique Paraffin Squeeze Procedure That Provides Excellent Performance, Longevity, and Operational Cost Savings to the Customer
- A Permian Basin producing well was experiencing production loss due to severe paraffin plugging. The well was being stripped frequently in order to maintain production. The well was squeezed utilizing the procedure given in the study. After tubing is thoroughly cleaned of all solids, Mix 4 drums of WAX-CHEK?|?n5394 paraffin...
- Case studies
- BJ Chemical Services's PSI-1 ScaleCaps Encapsulated Scale Inhibitor Prevents Barium Sulfate Scale Formation in Rod Pump
- A producing gas and water well in northern Michigan had experienced severe barium sulfate scale deposition in the downhole pump on three separate occasions over an eighteen week period. The well averaged 75 BWPD and had approximately 50 feet of rat hole with a bottom hole temperature of 70 degrees...
- Case studies
- BJ Chemical Services's PSI-1 ScaleCaps Encapsulated Scale Inhibitor Prevents Calcium Carbonate Scale Formation in Progressive Cavity Pump
- A producing gas and water well in northern Michigan had experienced severe calcium carbonate scale deposition in the rotor and stator assembly of the progressive cavity pump. The well averaged 100 BWPD and had a rat hole depth of approximately 50 feet and a bottom hole temperature of 70F. In...
- Case studies
- BJ Chemical Services's PSI-1 ScaleCaps Encapsulated Scale Inhibitor Prevents Calcium Carbonate Scale Formation in Rod Pump
- A producing gas and water well in northern Michigan had experienced severe calcium carbonate scale deposition in the rod pump, causing pump failure. The well averaged 20 BWPD and had approximately 50 feet of rat hole with a bottom hole temperature of 70F. In order to prevent subsequent calcium carbonate...
- Case studies
- Unichem 7217 Desalting Aid Handles Problematic Crude
- A Rocky Mountain refiner needed a desalting additive, which would allow him to run high concentrations of a particularly difficult crude. Time after time, high levels of RMPL produced a variety of desalter upsets including water carry over, oil under carry, and poor desalting. After consulting with BJ Chemical Services,...
- Case studies
- Unichem 7528 Additive Prevents Costly Investment in Mercaptan Removal System
- Due to operational process changes, a mid-continent refinery was confronted with the problem of having excess mercaptans in their gasoline blend stock. The mercaptan content in the gasoline run down from the FCCU exceeded the designed capability of their existing mercaptan removal processes. BJ Chemical Services recommended the use of...
- Case studies
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