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Oil drilling grade HEC
Oil drilling grade HEC
Oil drilling grade HEC
Oil drilling grade HEC
Oil drilling grade HEC
Oil drilling grade HEC

Oil drilling grade HEC

Oil drilling grade HEC Hydroxyethyl cellulose is a kind of nonionic soluble cellulose ether, soluble in both hot and cold water, with thickening, suspension, adhesion, emulsification, film forming, water retention and protective colloid properties.


Hydroxyethyl Cellulose (HEC) is used in various industries, including the oil and gas industry, where it is referred to as "Oil Drilling Grade HEC." In this context, HEC serves as a critical additive in drilling fluids, also known as drilling muds. Drilling fluids are essential for drilling and completing oil and gas wells, and HEC plays a specific role in enhancing their performance.

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    Chemcial Specification

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    Appearance 

    White to off-white powder

    Particle size

    98% pass 100 mesh 

    Molar substituting on degree (MS)

    1.8~2.5

    Residue on ignition (%)

    ≤0.5

    pH value

    5.0~8.0

    Moisture (%)

    ≤5.0   

    Popular Grades

    HEC grade

    Viscosity

    (NDJ, mPa.s, 2%)

    Viscosity

    (Brookfield, mPa.s, 1%)

    HEC KM300

    240-360

    240-360

    HEC KM6000

    4800-7200

     

    HEC KM30000

    24000-36000

    1500-2500

    HEC KM60000

    48000-72000

    2400-3600

    HEC KM100000

    80000-120000

    4000-6000

    HEC KM150000

    120000-180000

    7000min

    Key Properties and Uses of Oil Drilling Grade HEC:

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    1. Rheology Modifier:

    Oil drilling grade HEC is used to modify the rheological properties of drilling fluids. It can control the fluid's viscosity, flow properties, and gel strength, ensuring that the drilling fluid performs optimally under various downhole conditions.

    2. Fluid Loss Control:

    HEC helps reduce fluid loss from the drilling fluid into the formation being drilled. This property is essential for maintaining wellbore stability and preventing formation damage.

    3. Thickening Agent:

    HEC serves as a thickening agent in drilling fluids, ensuring that the fluid effectively carries drilling cuttings to the surface. It helps suspend and transport the solids that are generated during drilling.

    4. Temperature and Salinity Tolerance:

    Oil drilling grade HEC is formulated to withstand a wide range of downhole conditions, including high temperatures and varying levels of salinity in the drilling environment.

    5. Salt Resistance:

    HEC helps prevent the degradation of drilling fluids when exposed to salts and brines often encountered in the subsurface.

    Applications of Oil Drilling Grade HEC:

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    Oil drilling grade HEC is primarily used in the oil and gas industry for the formulation of drilling fluids. These drilling fluids are employed in various drilling processes, including:

    1. Oil Well Drilling:

    HEC is used in drilling fluids for both onshore and offshore oil well drilling operations.

    2. Natural Gas Drilling:

    It is also utilized in drilling fluids for natural gas exploration and production.

    3. Directional Drilling:

    In directional drilling applications, drilling fluids with HEC are used to navigate and control the trajectory of the borehole.

    4. Drill-In Fluids:

    Drill-in fluids, often used in well completion operations, may contain HEC to control fluid properties and prevent formation damage.

    Advantages of Using Oil Drilling Grade HEC:

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    - Improved rheological control of drilling fluids.
    - Reduced fluid loss into the formation, maintaining wellbore stability.
    - Effective thickening and suspension of drilling cuttings.
    - Enhanced temperature and salinity tolerance.
    - Resistance to salt and brine exposure in downhole conditions.

    Oil drilling grade HEC is a critical component in the oil and gas industry, contributing to the successful drilling and completion of wells. Its ability to control drilling fluid properties, prevent fluid loss, and withstand challenging downhole environments makes it an essential additive for drilling operations in the exploration and production of oil and gas resources.

    Packaging: 

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    25kg paper bags inner with PE bags.
    20’FCL load 12ton with pallet
    40’FCL load 24ton with pallet