Bentonite HDD
Horizontal Directional Drilling (HDD) requires a drilling fluid that can stabilize the borehole, suspend cuttings, reduce friction, and protect drilling equipment throughout the operation.
Kane Ara Sepahan supplies premium bentonite HDD produced from carefully selected deposits in Iran for contractors, drilling companies, distributors, and industrial buyers worldwide.
Our HDD bentonite is designed to prepare high-performance drilling mud for trenchless construction projects, including pipeline installation, cable laying, utility crossings, river crossings, and other horizontal directional drilling applications.
Every shipment is manufactured under strict quality control to provide reliable performance in demanding drilling conditions.
As a direct producer and exporter, we supply bulk quantities with consistent quality, technical documentation, and international shipping support for long-term B2B partnerships.
Bentonite HDD Technical Specifications
Parameter | Typical Value | Reference |
Chemical formula | Al₂O₃·4SiO₂·H₂O | — |
Montmorillonite content | 70 – 95% | XRD / CEC |
Color | Light grey, cream, brown | Visual |
Yield | 90 – 110 bbl/ton | API 13A |
Bulk density | 0.8 – 1.0 g/cm³ | — |
Viscosity | 32 – 38 sec/quart (Marsh Funnel) | API 13B-1 |
Specific gravity | 2.4 – 2.6 g/cm³ | — |
pH (10% slurry) | 8 – 10 | API 13A |
Moisture content | Confirmed per batch — stated on COA | API 13A |
Mesh/particle size | Standard and custom mesh available on request | — |
Grade | API-grade and high-viscosity grade | API 13A |
Packaging | 25 kg PP bags, 1-ton jumbo bags, bulk | — |
Why Buy HDD Bentonite from KaneAra?
Choosing the right bentonite directly affects drilling efficiency, mud stability, equipment protection, and project costs. Our production process focuses on delivering a product that performs consistently from one shipment to the next.
Bentonite for HDD Drilling
Once mixed into slurry, bentonite for HDD drilling performs five connected jobs inside the borehole:
- Cuttings suspension and transport — viscosity and gel strength lift drilled solids off the cutter head and carry them back along the annulus instead of letting them pack around the drill string.
- Filter cake formation — bentonite platelets bridge across the borehole wall, building a thin, low-permeability cake that limits fluid loss into permeable or fractured ground.
- Borehole stabilization — the same filter cake and hydrostatic pressure from the slurry column hold loose or sandy formations open until the pipe or duct is pulled through.
- Lubrication and torque reduction — the slurry film between the drill string and the borehole wall cuts friction, which lowers torque and pullback loads on long or curved bores.
- Cooling — circulating slurry carries heat away from the cutting head, protecting bits and downhole tools on longer runs.
These functions are why bentonite is specified on almost every trenchless crossing — pipeline, fiber-optic, and utility alike — rather than being treated as an optional additive.
Bentonite HDD: Features, Advantages & Benefits
Feature (what it is) | Advantage (what it does) | Benefit (what it means for your project) |
70–95% montmorillonite content | Higher swelling and gel-building capacity than low-grade clays | Fewer on-site adjustments and less rig downtime waiting on slurry to build |
Yield of 90–110 bbl./ton | More usable drilling fluid is produced per ton of raw material | Lower material consumption per meter drilled, lower freight cost per bore |
Viscosity 32–38 sec/quart (Marsh Funnel) | Sits in the working range HDD rigs are set up for | Cleaner hole, lower risk of stuck pipe or lost circulation |
pH 8–10 (10% slurry) | Naturally alkaline, compatible with PAC, CMC, and xanthan gum systems | Less corrosion of tooling, easier fine-tuning of fluid chemistry |
Direct-from-mine production and QC | Kane Ara controls extraction, drying, milling, and packaging in-house | Consistent specification from the first ton to the last, shipment after shipment |
COA issued per batch | Independently verifiable specs before the material leaves Iran | Confidence to plan slurry design and procurement without surprises on delivery |
In practice, this comes down to two things a buyer can act on: yield and consistency. Because Kane Ara’s Bentonite HDD is produced at 90–110 bbl. /ton, a given shipment stretches further than lower-yield material — on a multi-kilometre pipeline crossing, that difference shows up directly in tons ordered and freight paid, not just in a lab report.
And because the same clay is mined, dried, and packed in-house with a COA on every batch, a contractor who qualifies one shipment can specify the next one from the same source with the same result — which matters more on long contracts than any single number on a data sheet.
Frequently Asked Questions (FAQs)
What yield and viscosity should bentonite for HDD drilling have?
Most contractors look for a yield around 90 bbl/ton or higher and a Marsh Funnel viscosity in the low-to-mid 30-second range — the range Kane Ara’s Bentonite HDD is produced to.
How much Bentonite HDD do I need for a project?
It depends on soil type, bore diameter, and bore length; as a general rule, slurry mixes run 2–15% bentonite by weight of water. Contact Kane Ara’s technical team for a project-specific estimate.
Is Kane Ara's Bentonite HDD API-compliant?
Yes. It’s available in an API-grade formulation as well as a high-viscosity grade for demanding ground conditions, with a COA issued per shipment.
Can HDD bentonite slurry be reused?
Yes, with mechanical separation (shakers, desanders, desilters) to remove cuttings. Reclaimed slurry can often be reconditioned and reused, though its properties should be retested before reuse.
What documentation comes with a shipment?
A certificate of analysis (COA) per lot, packing list, and — on request — third-party lab testing and MSDS, along with the relevant Incoterm documentation (FOB, CIF, or DAP).