Oyster-Shell F/M/C

Oyster-Shell F/M/C
Oyster-Shell F/M/C

Deliver Terms: FCA, FOB, CIF, CFR, DAP, DDU, DDP Based on customer’s inquiry

Customization: Customized logo, Graphic customizationCustomized packaging

Packaging: 25 KG SXS

Min Order: 24 Tons

Appearance: Off-white to gray granules

Specific Gravity: 2.6-2.8

Solubility: Insoluble in wate, oil & alcohol

Solubility in 15% HCL: Min 97%

More Information: TDS


Oyster-Shell F/M/C is a drilling fluid which is mostly composed of CaCO3.  Oyster-Shell F/M/C are used in drilling fluid industry as loss circulation material which can be used in productive formations due to its high solubility in HCl acid. Oyster-Shell is available in three size grades (fine, medium and coarse) and can be applied in different types of drilling fluids.


  • Effective LCM material
  • Can be applied as a mixture with other types of LCMs such asCALCIUM CARBONATE F/M/C
  • Applicable in fractured and vugular loss zones
  • Environmentally benign.
  • Compatible with both water-based and oil-based mud systems
  • High acid solubility
  • Wide particle size for optimizing the fractures with different widths
  • Compatible with all salts
  • Applicable in different range of pH (7 to 11)


  • Lost Circulation Material in Oil-based and Water-based muds
  • Applicable in thief zones to minimize downhole loss
  • Suitable for both reservoir and non-reservoir formation

Safety tips

Eye Contact:

Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes.

Skin Contact:

Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops.


If dust is inhaled, remove from contaminated area.
– Encourage patient to blow nose to ensure clear passage of breathing.


– Immediately give a glass of water.
– First aid is not generally required. If in doubt, contact a Poisons Information Centre or a doctor

For more information please refer to Oyster-Shell F/M/C Material Safety Datasheet.


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