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Hydrochloric Acid

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  1. Optimized stimulation strategies enhance Aramco gas production

    Magazine Articles

    Mon, 4 Oct 2010

    proppant, and Saudi Aramco has used between 50,000-500,000 lb in treatments conducted to date. The use of 28% hydrochloric acid is common for carbonate reservoirs (Khuff). The jobs include either fracturing or matrix acidizing, depending

  2. Custom-designed process treats CBM produced water

    Magazine Articles

    Mon, 14 Jul 2008

    controls. The use of sulfuric acid further helps meet upcoming stringent chloride limits in the Powder River basin. Hydrochloric acid use for ion exchange regeneration by other systems may produce leakage of chlorides that may not meet discharge standards

  3. Non-frac stimulation technologies mark progress too

    Magazine Articles

    Mon, 22 Sep 2008

    is undoubtedly difficult to develop an acid corrosion inhibitor that will stand up to the corrosive environment of hydrochloric acid at high temperatures and then biodegrade in North Sea water at 20° C. “Halliburton researchers screen ingredients

  4. Corrosion problems solved in CT nitrogen operations off Brazil

    Magazine Articles

    Mon, 15 Sep 2008

    Consequently, this causes an increase in salt concentration, FeCl 2 . This salt undergoes hydrolysis, creating hydrochloric acid , HCl (H + + Cl - ), as shown in Equations 3 and 4. The increase in ions (H + ), means the pH drops, which

  5. SPECIAL REPORT: Technology advances continue to unlock additional resources

    Magazine Articles

    Mon, 28 Jan 2008

    acid-oil emulsion. The paper describes the typical treatment as consisting of a linear-gel pad fluid, raw 20% hydrochloric acid , acid-internal emulsion (AIE), linear-gel pad fluid, followed by the self-diverting acid based on a viscoelastic surfactant (SDVA

  6. Special Report: Completion Technologies: Openhole multistage fracturing boosts Saudi Arabia gas well rates

    Magazine Articles

    Mon, 6 Jun 2011

    phases. The initial treatment begins with a pad stage to extend the hydraulic fracture length and then pumping 28% hydrochloric acid to etch the fracture surface, create wormholes, and hold the fracture open. In the cases previously discussed

  7. E q u i p m e n t / S o f t w a r e / L i t e r a t u r e

    Magazine Articles

    Mon, 9 Feb 2009

    enables the valves to operate in harsh chemicals, suiting them for use with chlorine, ethylene dichloride, and hydrochloric acid . Polymer valves operate in a similar fashion to their metal and fiberglass counterparts, the firm notes. Valves

  8. New correlation predicts dewpoints of acidic combustion gases

    Magazine Articles

    Mon, 22 Feb 2010

    most important acidic gases—SO 3 , SO 2 , NO 2 , hydrochloric acid , and hydrobromic acid. The correlation can accurately ..... path components. 4 Fig. 1 shows sulfuric acid and hydrochloric acid dewpoint corrosion occurring in a typical flue-gas treatment


    Magazine Articles

    Mon, 16 Jul 1990

    hydrocracker reactor, the chlorides were converted to hydrochloric acid . The hydrochloric acid vapor concentrated in the overhead condenser of the hydrocracker debutanizer. Because hydrochloric acid is highly hydroscopic, localized concentrations

  10. New filtration process cuts contaminants from offshore produced water

    Magazine Articles

    Mon, 2 Nov 1998

    acidified to a pH of 2 with hydrochloric acid before the analysis commenced ..... acidified to a pH of 2 with hydrochloric acid prior to sending ashore. The ..... regenerated with methanol, acetone, hydrochloric acid , sulfuric acid, and sodium

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