JINZHOU NORTH INDUSTRIES COMPANY LTD.
JINZHOU NORTH INDUSTRIES COMPANY LTD.
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What Are the Characteristics and Functions of Calcium Chloride Drilling Fluid?

Properties of Calcium Chloride Drilling Fluid


  • High Density: Calcium chloride drilling fluid is particularly suitable for deep well (over 5000 meters) drilling operations due to its high-density characteristics. This high density helps maintain stability and safety during the drilling process.

  • Good Stability: Calcium chloride drilling fluid does not easily exhibit loss or leakage over long drilling periods, ensuring the smooth progress of drilling operations.

  • Good Permeability: Due to the small molecules and low viscosity of calcium chloride drilling fluid, it has excellent permeability, which can well meet the needs of core sampling and sediment sampling.

  • Cooling Effect: During drilling, calcium chloride drilling fluid can effectively cool the drill bit, preventing damage from overheating.

  • Corrosiveness: It is important to note that calcium chloride drilling fluid contains high concentrations of chloride ions and other corrosive substances, thus it has significant corrosiveness. This can cause a certain degree of corrosion and damage to the wellbore and equipment, requiring the use of special corrosion inhibitors to reduce its corrosiveness.


Uses of Calcium Chloride Drilling Fluid


  • Stable Drilling Fluid: Calcium chloride drilling fluid can increase the density and stability of the drilling fluid, effectively preventing wellbore collapse and ensuring the safe conduct of drilling operations.

  • Adjusting Rheology: Calcium chloride drilling fluid can adjust the viscosity and rheology of the drilling fluid, optimizing the fluid dynamic performance during drilling and improving drilling efficiency.

  • Reducing Cement Slurry Density and Setting Strength: During drilling, calcium chloride material can be used as a cement accelerator, forming a colloidal cement slurry with the cement slurry, thereby reducing the density and setting strength of the cement slurry and increasing the success rate of plugging.

  • Stabilizing Mud Layers: Calcium chloride drilling fluid can stabilize mud layers at different depths, preventing mud layer collapse and loss of drilling fluid.

  • Lubricating Drilling: Calcium chloride drilling fluid also has a certain lubrication effect, which can reduce friction resistance during drilling, ensuring the smooth progress of extraction work.

  • Making Hole Plugs: High-purity calcium chloride can be used to make hole plugs, providing fixation for oil wells.


NORTH INDUSTRIES Calcium Chloride Drilling Fluid Usage Precautions


  • Environmental Measures: Due to the significant environmental pollution caused by calcium chloride drilling fluid, corresponding treatment measures need to be taken during use to reduce pollution to soil and groundwater.

  • Safety Protection: Calcium chloride is a moderately hazardous chemical. Safety protection measures should be taken during use, such as wearing protective gloves, protective glasses, and protective clothing to avoid direct contact with skin and eyes.

  • Storage Conditions: Calcium chloride drilling fluid should be stored in a dry, well-ventilated place, avoiding moisture and high-temperature environments.

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