Service

At GCM, we adhere to the one-to-one targeted design of high-quality solutions, and use the professional knowledge and full-cycle services of our account managers to help customers carry out project operations, and thoroughly solve customers’ problems in equipment procurement, operating cost accounting, operation management and after-sales service. Distress, thereby improving customer profitability and achieving sustainable business development.

  • SPE 80210 Application of Amphoteric Cellulose Ethers in ...

    drilling fluids by virtue of the flocculation effect of the cation. This has been used for many years in the potassium chloride (and similar salts) based drilling fluids. Amphoteric Cellulose Ethers represent a new class of drilling fluid additives which combine an anionic and cationic charge onto the same cellulose backbone.

    Read More
  • CMC HV, Oil Drilling CMC in API 13A Carboxymethyl ...

    CMC HV is a carboxymethyl cellulose (also carboxymethylcellulose or carboximetilcelulosa) with high viscosity which used for reducing fluid loss and increasing viscosity of drilling muds.oil drilling cmc hv is specially suitable for low-solid drilling fluids.Our CMC HV meets the drilling industry standards API Spec 13A Section 9 and OCMA DFCP-7. ...

    Read More
  • Carboxy Methyl Cellulose High Viscosity (CMC HV)

    GLO CMC HV 1000. Description: CMC HV 1000 Carboxy Methyl Cellulose is a high viscosity manufactured by Global Drilling Fluids and Chemical Limited high molecular weight dispersible Carboxymethyl Cellulose fluid loss additive designed to provide viscosity and reduce API filtration rate to water based drilling fluids.

    Read More
  • Carboxymethyl Cellulose Sodium(cmc) Lv Drilling Fluids ...

    Carboxymethyl Cellulose Sodium(cmc) Lv Drilling Fluids Chemicals Factory, Find Complete Details about Carboxymethyl Cellulose Sodium(cmc) Lv Drilling Fluids Chemicals Factory,Carboxylmethyl Cellulose Sodium,Cmc Factory,Carboxylmethyl Cellulose Sodium Factory from Petroleum Additives Supplier or Manufacturer-Shanghai Honest Chem. Co., Ltd.

    Read More
  • Drilling Fluids Carboxymethyl Cellulose Wholesale ...

    Alibaba.com offers 498 drilling fluids carboxymethyl cellulose products. About 4% of these are leather auxiliary agents, 4% are thickeners, and 4% are other chemicals. A wide variety of drilling fluids carboxymethyl cellulose options are available to you, such as acidity regulators, thickeners, and chewing gum bases.

    Read More
  • Use of CMC in drilling fluids - Dow Global Technologies LLC

    May 10, 2011· The invention relates to a water-based drilling fluid composition comprising a carboxymethyl cellulose (CMC), wherein the CMC is characterized by forming a gel at 25° C. after high-shear dissolution in a 0.3 wt % aqueous sodium chloride solution, the final content of the CMC in the aqueous sodium chloride solution being I wt % for a CMC having a degree of polymerization of …

    Read More
  • CMC LV, CMC LV API 13A, CMC Low Viscosity

    Usage: GLO CMC LV 1000 (Carboxy Methy Cellulose Low Viscosity) manufactured by Global Drilling Fluids and Chemical Limited is used in High Viscosity High Solids fluids or heavily weighed Fluids and produces only a slight increase in viscosity.. Recommended treatment in Fresh Water: 0.5-1.5 lb/bbl (1.4-4.3 kg/m 3 ) and in Sea Water : 2.0-3.0 lb/bbl (5.7-8.6 kg/m 3 ).

    Read More
  • CMC sodium carboxymethyl cellulose in workover fluids by ...

    CMC-LV and CMC-HV can be directly used in all water base drilling fluids as filter loss reducer and viscosifier. CMC-LV and CMC-HV are compatible with many water base drilling fluid additives. Recommended treatment is 0.3 - 1.5% in fresh water drilling fluids, and 0.7 - 0.9% in saltwater drilling fluids.

    Read More
  • Study the effect of synthesized graft copolymer on the ...

    Sodium carboxymethyl cellulose (CMC) is a linear, long chain, water-soluble, anionic polysaccharide produced by reacting alkali cellulose with sodium monochloroacetate which is used generally in the development of different drilling fluid systems. ... TGA analysis was performed up to 370 °C in a nitrogen gas atmosphere with a heating rate of ...

    Read More
  • Carboxymethyl Cellulose Sodium (CMC)-Oil Drilling Grade

    Carboxymethyl Cellulose Sodium (CMC)-Oil Drilling Grade. CAS NO.: 9000-11-7. Molecular Formula: [C 6 H 7 O 2 (OH) 2 CH 2 COONa]n. Structural Formula: Property: Carboxymethyl Cellulose Sodium (CMC) is a cellulose derivative obtained by chemically modificating the natural cellulose.CMC is one of the most important water soluble polymers with many advantages that other natural or synthetic glues ...

    Read More
  • Drilling Starch - Drilling Starch For Oil Drilling ...

    Drilling Starch - M3OM is used for reducing fluid loss in a variety of water-based drilling fluids(API Specification 13A) and has beneficial secondary effects on mud rheology. In drilling wells, a liquid (mud) is pumped into the hole to clean and cool the drill bit and to flush to the surface the drill bit cuttings and suspending the drill ...

    Read More
  • Sodium Carboxymethyl Cellulose Oil Drilling Grade, CMC Oil ...

    CMC oil drilling grade is a kind of effective water loss controller and viscosifier with high mud yield, strong salt resistance and temperature tolerance. Sodium Carboxymethyl Cellulose Oil Drilling Grade is used in drilling fluid, Cementing fluid and fracturing fluid with the effect of water loss control, increasing viscosity and suspension.

    Read More
  • Carboxymethyl cellulose (CMC) - ATDMDrilling

    Carboxymethyl cellulose also has bold and effective role in drilling industry, somehow that it uses for: primary substance in drilling mud, protection of drilling shaft, avoid to wasting mud, abstract and keeping water in drilling fluid, making the well structure stable which according to drilling type, LVT and HVT are available.

    Read More
  • CMC carboxymethyl cellulose low, high viscosity use in ...

    CMC carboxymethyl cellulose low, high viscosity use in drilling fluid . CMC Carboxymethyl Cellulose or cellulose gum is a kind of cellulose with carboxymethyl groups (-CH2-COOH) bound to some of the hydroxyl groups of the glucopyranose monomers that make up the cellulose backbone.It is often used as its sodium salt, sodium carboxymethyl cellulose.CMC is one of the most important water-soluble ...

    Read More
  • Petroleum Drilling Grade PAC Polyanionic Cellulose Polymer ...

    Aliase: cellulose gum, Sodium Carboxymethyl Cellulose, PAC, CMC, Purity: above 95% Appearance:white powder or granule Brand: Fuxin Type: PAC LV, PAC HV, PAC R Company Type: Manufacturer HS Code: 3912310000 Usage: Substance is used in drilling muds, in detergents as a soil-suspending agent, in resin emulsion paints, adhesives, printing inks, textile sizes, as protective colloid …

    Read More
  • Sodium Carboxymethyl Cellulose and Modified Starch ...

    We are recognized as a leading manufacturer, exporting and supplier of a wide assortment of Sodium Carboxy Methylcellulose, Polyanionic Cellulose, Sodium Carboxy Methyl Starch, Pregelatinized Starch, Sodium Starch Glycolate, Drilling Starch, Redispersible Polymer Powder and MHEC & HPMC Cellulose …

    Read More
  • Carboxymethyl Cellulose For Drilling Fluid China ...

    Persisting in "High good quality, Prompt Delivery, Aggressive Price", we've established long-term cooperation with shoppers from each overseas and domestically and get new and previous clients' high comments for Carboxymethyl Cellulose For Drilling Fluid, Partially Hydrolyzed Polyacrylamide For Drilling Fluids, Polymer Fluid Loss Additive, Drilling Fluid Additives Pam, The principle of our ...

    Read More
  • US7939469B2 - Use of CMC in drilling fluids - Google Patents

    The invention relates to a water-based drilling fluid composition comprising a carboxymethyl cellulose (CMC), wherein the CMC is characterized by forming a gel at 25° C. after high-shear dissolution in a 0.3 wt % aqueous sodium chloride solution, the final content of the CMC in the aqueous sodium chloride solution being I wt % for a CMC having a degree of polymerization of >4,000, 1.5. wt ...

    Read More
  • Thermal Stability of Starch- and Carboxymethyl Cellulose ...

    A table of half-lives (time for fluid loss to double) vs. exposure temperature is presented for both starch- and cellulose-based polymers. This paper discusses the results of the calculations and the method used to obtain the data. The method is generally applicable to any material used in drilling fluids that is subject to thermal degradation.

    Read More
  • Carboxymethyl Cellulose: Rheological and Pipe Flow Properties

    Carboxymethyl Cellulose: Rheological and Pipe Flow Properties Recent Advances in Petrochemical Science ISSN: 2575-8578 Introduction Carboxymethyl cellulose (CMC) is a cellulose derivative which is extensively used polymer in a wide range of applications. For its different properties such as its good binding, thickening

    Read More
  • Carboxymethyl Cellulose Powder - CMC Powder Latest Price ...

    Carboxymethyl cellulose (CMC) or cellulose gum[1] is a cellulose derivative with carboxymethyl groups (-CH2-COOH) bound to some of the hydroxyl groups of the glucopyranose monomers that make up the cellulose backbone. It is often used as its sodium salt, sodium carboxymethyl cellulose.

    Read More
  • Application of Hydroxyethyl Cellulose in Drilling Fluid

    Application of Hydroxyethyl cellulose in Drilling Fluid. The drilling fluid with the addition of Hydroxyethyl cellulose is commonly used in hardrock drilling and drilling under other special circumstances such as in the shale layers with leakage control of the circulating water, excessive water loss, abnormal pressure, or being rugged.

    Read More
  • China CMC(Sodium CarboxyMethyl Cellulose) | CAS: 9004-32-4 ...

    Mar 12, 2018· 5) Sodium Carboxymethyl Cellulose(CMC)can anti-pollution of a variety of soluble salts in the pit as flushing fluid drilling. 6) The slurry which Sodium Carboxymethyl Cellulose(CMC) cellulose has very good stability, it still reduce water loss even the temperature is above 150 ℃.

    Read More
  • CMC - Sodium Carboxymethyl Cellulose - in Oil and Gas Drilling

    Other Names: CMC, Na – CMC, Cellulose gum, Carboxy Methyl Cellulose CMC and PAC can be used in drilling fluid, fixing fluid and fracturing fluid. In drilling fluid, it works as viscosifier, filtration reducer, and rheology controller; in fixing fluid, it is used to control fluid viscosity, suspend heavy objects, and avoid fluid loss; also in ...

    Read More