CORROSION INHIBITORS

In Oil and Gas Industry, corrosion happens during the exploration, drilling, production, completion and also the refinery process. It cause big cost together with high risk of safety.

In the case of oil and gas wells and pipelines, such highly corrosive media are carbon dioxide (CO2), hydrogen sulfide (H2S), and free water. Continual extraction of CO2, H2S, and free water through oil and gas components can over time make the internal surfaces of these components to suffer from corrosion effects. The lines and the component fittings of the lines would undergo material degradations with the varying conditions of the well due to changes in fluid compositions, souring of wells over the period, and changes in operating conditions of the pressures and temperatures. This material degradation results in the loss of mechanical properties like strength, ductility, impact strength, and so on. This leads to loss of materials, reduction in thickness, and at times ultimate failure. A point will be reached where the component may completely break down and the assembly will need to be replaced while production is stopped. The serious consequences of the corrosion process have become a problem of worldwide significance.

There are many sources of corrosion and many more methods of slowing the process down. With development and application, L.E.A.D. launches a series of corrosion inhibitors which perform well in complete process of oil and gas production.

Generally, L.E.A.D.’s anti-corrosive agent classified as below :

· Cathodic and anodic inhibitors

· Inorganic and organic corrosion inhibitors

· Filming and non-filming inhibitors

From the chemists’s view, corrosion inhibitors can be classified into the rolling broad grouping :

· Amides and imidazolines,

· Salts of nitrogenous molecules with carboxylic acids, like fatty     acids and naphthenic acids,

· Nitrogen quaternaries,

· Polyoxylated amines, amides, imidazolines, and pyridine.

Fields of Application :

· Acid stimulation jobs,

· Cooling systems,

· Drilling muds,

· Oil production units,

· Oil storage tanks,

· Refinery units,

· Pipeline transportation,. etc



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  • Products
    • Carbon Dioxide Corrosion Inhibitor

      The CO2 Corrosion Inhibitor is a kind of film formation corrosion inhibitor, which is composed of home-grown composite pyridine quaternary ammonium salt as main ingredients, other synergist and surfactant. It can be applicable for high salinity saltwater system anti-corrosion in the oilfield injection CO2 displacing oil technical process. By the process, high partial CO2 control carbon steel metal corrosion, and it ha...

      SL-CR-CO2-CO2-Corrosion-Inhibitor

    • Oilfield Reinjectionwater Corrosion Inhibitor

      The Oilfield Reinjectionwater Corrosion Inhibitor is a kind of water solubility film formation corrosion inhibitor, which is composed of home-grown composite pyridine quaternary ammonium salt as main ingredients, other synergist and surfactant. Non-polar groups in the molecule can effectively prevent CO2、H2S corrosion medium from metal local corrosion. And while the hydrophilic groups are firmly adsorbed on the metal surface and form a dens...

      SL-CR-RW-Oilfield-reinjectionwater-Corrosion-Inhibitor

    • Oil-Gas Injection System Corrosion Inhibitor

      The Oil-Gas Injection System Corrosion Inhibitor is a kind of water solubility film formation corrosion inhibitor, which is composed of home-grown Composite pyridine quaternary ammonium salt as main ingredients, other synergist and surfactant. It can be applicable for petroleum, natural gas exploitation and gathering & transportation to protect pipelines inner wall from corrosion. It has good protection function for CO2, H2S, and other ...

      SL-CR-IS-Oil-Gas-Injection-System-Corrosion-Inhibitor

    • Imidazoline Corrosion Inhibitor

      SL-CR-IL Imidazoline Corrosion Inhibitor is kind of filming corrosion inhibitor, it is suitable for refining crude oil with high content of sulfur and acid, and it has good effect in waste water treatment. After combined, it can be used in Atmospheric & vacuum distillation unit, Hydrogenation unit, delayed coking unit and Catalytic unit at refinery. It has excellent anticorrosion properties for distillation tower and pipelines.

      ...

      SL-CR-IL-Imidazoline-Corrosion-Inhibitor

    • SL-CR-U160 Acidizing Corrosion Inhibitor

      The SL-CR-U160 Acidizing Corrosion Inhibitor is a kind of high temperature corrosion inhibitor, which is composed of home-grown composite pyridine quaternary ammonium saltas main ingredients, some alkynol and fortifier. It has solid and liquid two phases and can be used cooperatively. The product has good dispersibility in HCl and mud acid. It has a good corrosion protective effect on HCl and mud acid corrosion atsuperhigh temperature. The ...

      SL-CR-U160-Acidizing-Corrosion-Inhibitor

    • SL-CR-U140 Acidizing Corrosion Inhibitor

      The SL-CR-U140 Acidizing Corrosion Inhibitor is composed of home-grown composite pyridine quaternary ammonium saltas main ingredients, some alkynol and aldehydes material. It has good dispersibility in HCl and mud acid. It has a good corrosion protective effect on HCl and mud acid corrosion under high temperature. The effect of high temperature resistant is good.

      · Applicable for 120~140℃high temperature acidizing system and ...

      SL-CR-U140-Acidizing-Corrosion-Inhibitor

    • SL-CR-M90 Acidizing Corrosion Inhibitor

      The SL-CR-M90 Acidizing Corrosion Inhibitor is composed of home-grown composite pyridine acetateas main ingredients, a certain amount of synergist and surfactants. It has good dispersibility in fluoboric acid and mud acid. It has a good corrosion protective effect in high concentration fluoboric acid and mud acid corrosion environment.

      · Applicable for various kinds of acid liquor systems, especially good effect on fluoboric acid...

      SL-CR-M90-Acidizing-Corrosion-Inhibitor

    • SL-CR-L60 Acidizing Corrosion Inhibitor

      In oil-gas well acidizing operation and pickling process, acid liquor has a strong corrosive effect on equipment. And with the increase of acid concentration, the rise of temperature and pressure, it shows a clear rising trend. Choosing the appropriate corrosion inhibitor on the basis of the process conditions is important guarantee to ensure the smooth construction safety.

      The SL-CR-L60 Acidizing Corrosion Inhibitor is composed of...

      SL-CR-L60-Acidizing-Corrosion-Inhibitor

    • Alkyl Pyridines Acetate

      The special molecular structure of heterocyclic alkyl pyridine makes it have the characteristic of adsorption type corrosion inhibitor. It is a natural raw material for synthesis of corrosion inhibitor. Through the synthetic reaction with acetic acid, it forms cationic ammonium acetate which can easily absorb on the metal surface.

      · Stable product property, high cost performance;

      · Good compatibility with fluoboric aci...

      SL-APA-Alkyl-Pyridines-Acetate

    • Composite Pyridine Quaternary Ammonium

      Heterocyclic alkyl pyridines ring N has a pair of lone electrons. Combining benzene ring structure it makes N becomes active group and can absorb on metal surface by static absorbance and form coordinate bond. On the ring alkyl groups is non polar group. These groups among molecules form a hydrophobicity absorbance layer by cohesion etc. This absorbance on metal surface to separate corrosive media and metal surface and prevent anode process or cathodic process...

      SL-CPQ-Composite-Pyridine-Quaternary-Ammonium-Salt

    • Alkyl Pyridines Quat

      Key ingredient for corrosion inhibitors used in oilfield industry anti-corrosion.

      CAS Number: 100765-57-9 

      Fractional Composition:

      Alkyl Pyridines Quat: 78% - 82%

      Methanol: 18% - 22%

      SL-APQ Alkyl Pyridines Quat can be used as a component in corrosion inhibitor, dispersant or anti flocculent formulations for applicatio...


    • SL-CR- H120 Acidizing Corrosion Inhibitor

      The product is a kind of alcoholic corrosion inhibitor, which is composed of home-grown composite pyridine quaternary ammonium salt as main ingredients, some propargyl alcohol and surfactant. It has good dispersibility in HCl and mud acid. It has a good corrosion protective effect on high concentration HCl and mud acid corrosion environment under high temperature. It has wide range application for temperature acid and obvious effect for it....

      SL-CR-H120-Acidizing-Corrosion-Inhibitor

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  • Quanlity Control

    With mastering of the different standards between international and China domestic, L.E.A.D. has move forward to establish a research and QA/QC centre to control the quality & performance of L.E.A.D.s products and services.

    Moreover, with our owned Lab, L.E.A.D. could customize the specified chemicals or services as your request. With experienced acid and mud engineers, we are going to offer a full package of solutions for all the requirements during the process of drilling, stimulation, acidizing even to the refinery.

    As a supplement, we are willing to cooperate withs several third party inspectors such as SGS, BV, also several China domestic petrochemical institute, such as China University of Petroleum. Our vision is to delivery products to our customers with best quality and highest performance.

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