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  1. FOUR STEPS SOLVE CRUDE-TOWER OVERHEAD CORROSION PROBLEMS

    Magazine Articles

    Mon, 5 Jul 1993

    related failure caused by hydrochloric acid (HCl) attack (Fig. 1 ..... bisulfides. PROBLEM ORIGIN Hydrochloric acid attack is one of the oldest ..... think that preventing localized hydrochloric acid attack would also be well

  2. Gazprom Neft unit performs multiple frac operations in Orenburg field

    Online Articles

    Fri, 4 Oct 2013

    horizontal length reached 600 m. Acid multiple fracing involves metered injection of a gelatinous compound and inhibited hydrochloric acid into the stratum. Gazprom Neft said the east area of Orenburg field is unique and one of the largest fields in the

  1. OGJ Newsletter

    Magazine Articles

    Mon, 14 Oct 2013

    horizontal length reached 600 m. Acid multiple fracing involves metered injection of a gelatinous compound and inhibited hydrochloric acid into the stratum. Gazprom Neft said the east area of Orenburg field is unique and one of the largest fields in the

  2. Special Report: Reverse osmosis treatment of CBM produced water continues to evolve

    Magazine Articles

    Mon, 5 Oct 2009

    and facility. The volume of hydrochloric acid needed to neutralize the alkalinity ..... pH to 7.0 from 8.2 with hydrochloric acid as compared with sulfuric acid ..... concentration from the contribution of hydrochloric acid and a reduction in raw water LSI

  3. Acid-gas injection in New Mexico relieves sulfur-recovery unit duty

    Magazine Articles

    Mon, 17 Sep 2007

    ft with 45,000 gal of 15% hydrochloric acid . Water injection tests unfortunately ..... tubing using 42,000 gal of 28% hydrochloric acid , viscoelastic diverting acid ..... the large amount of liquid ( hydrochloric acid and water) injected in the

  4. 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

  5. Oklahoma frac case actually involves above-ground handling

    Online Articles

    Tue, 26 Jul 2011

    May 14, 2007. A tank had leaked 400-700 gal of hydrochloric acid onto an earthen pad which also was flooded with water ..... through an earthen berm, causing the rainwater and hydrochloric acid mixture to flow off the well pad and down into Dry

  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. Oklahoma frac case actually involves above-ground handling

    Online Articles

    Tue, 26 Jul 2011

    May 14, 2007. A tank had leaked 400-700 gal of hydrochloric acid onto an earthen pad which also was flooded with water ..... through an earthen berm, causing the rainwater and hydrochloric acid mixture to flow off the well pad and down into Dry

  8. 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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