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Severe Loss Materials · LCM
Severe Loss Materials · LCM
Severe Loss Materials · LCM

Diesel Oil Bentonite (DOB) / Gunk Squeeze

PZT-DOB-1: A classic total-loss remedy where bentonite is slurried in diesel oil to prevent premature hydration, then pumped into the loss zone, where it contacts formation water and rapidly hydrates into a stiff, hard-to-circulate plug. Key characteristics: Forms a strong, non-flowing seal on contact with water; Long field track record as a last-resort severe/total-loss squeeze treatment. Typical applications: Severe-to-total lost circulation, cavernous formations, last-resort squeeze treatment.
Category
Severe Loss Materials · LCM
Packaging
Constituent bentonite in 25 kg bags; base oil sourced separately
Storage
Per constituent materials
Full TDS available on request, contact sales@petriz.co
form
Constituent bentonite in 25 kg bags; base oil sourced separately
application
Severe-to-total lost circulation, cavernous formations, last-resort squeeze treatment
compatibility
Contact Petriz for full compatibility data
packaging
Constituent bentonite in 25 kg bags; base oil sourced separately · Per constituent materials
Rates shown are indicative; actual dosage depends on temperature, mud weight, and application conditions.
Available Documentation
TDS - Technical Data SheetSDS - EN · ES · PTCOA - Certificate of Analysis
Request Full Documentation Pack
Response within 24 hours · sales@petriz.co
Use Cases & Applications
  • Severe-to-total lost circulation, cavernous formations, last-resort squeeze treatment
Pros
  • Forms a strong, non-flowing seal on contact with water
  • Long field track record as a last-resort severe/total-loss squeeze treatment
Cons & Limitations
  • The base-oil component is a combustible/flammable liquid: PPE, ignition-source control, and standard hazmat handling required per the base oil's SDS
  • Acid-Soluble / Reservoir Drill-In LCM (NEW subcategory)
Response within 24 hours
Product Tags
LCMSevere Loss MaterialsSDS: EN · ES · PT