{"id":1556,"date":"2020-07-12T15:37:04","date_gmt":"2020-07-12T15:37:04","guid":{"rendered":"https:\/\/amrfeo.com\/staging?page_id=1556"},"modified":"2026-09-04T08:34:33","modified_gmt":"2026-09-04T08:34:33","slug":"hdd-grade-bentonite","status":"publish","type":"page","link":"https:\/\/amrfeo.com\/staging\/hdd-grade-bentonite\/","title":{"rendered":"HORIZONTAL DIRECTIONAL DRILLING"},"content":{"rendered":"\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Horizontal\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Bentonite Drilling Fluids for Horizontal Directional Drilling<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Horizontal Directional Drilling (HDD) is a trenchless method for installing underground utilities such as pipelines, power cables, and fiber optics. It allows precise drilling beneath obstacles like roads, rivers, and buildings \u2014 without major excavation or disruption.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\"Pileman<\/a><\/figure><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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For all Freshwater drilling applications\u00a0\u2192<\/span><\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\"Pileman<\/a><\/figure><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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The Smart Drilling Fluid\u00a0\u2192<\/span><\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\"Pileman<\/a><\/figure><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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For Drilling in Brackish\/Salty Conditions\u00a0\u2192<\/span><\/span><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Why Contractors Choose Pileman® Trenchless For HDD<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Pileman\u00ae Trenchless reaches a drilling-ready slurry at 45 kg\/m\u00b3 \u2014 roughly 28% less material than a standard API or OCMA grade needs to hit working viscosity \u2014 and is ready to drill in 15\u201320 minutes instead of the hours a standard grade needs to age. For HDD contractors running long freshwater crossings, that difference shows up directly in cost per metre bored and in how many shifts a crossing takes.<\/p>

Horizontal directional drilling puts three demands on a support fluid at once: hold suspension over long bore lengths, control fluid loss against varied soil, and mix fast enough to keep a crossing on schedule. Pileman\u00ae Trenchless is formulated to do that across freshwater drilling in sand, clay and rock:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1<\/span>

High Yield, Lower Consumption<\/h4><\/div>

45 kg\/m³ reaches a drilling-ready slurry versus roughly 64 kg\/m³ for a standard API or OCMA grade, cutting material cost per metre bored.<\/p><\/div>

2<\/span>

Fast, Ready-To-Drill Mixing<\/h4><\/div>

Drilling-ready in 15–20 minutes with no ageing time required, keeping crews moving on tight crossing schedules.<\/p><\/div>

3<\/span>

Controlled Fluid Loss<\/h4><\/div>

API filtrate loss of 20 mL\/30 min forms a thin filter cake that stabilises the bore without ballooning the annulus.<\/p><\/div>

4<\/span>

High Yield Point For Cuttings Transport<\/h4><\/div>

A yield point of 32 lb\/100 ft² carries cuttings and spoil through long-radius crossings without excess pump pressure.<\/p><\/div>

5<\/span>

Stable, Sediment-Free Slurry<\/h4><\/div>

Shows no sedimentation or water layer even after several days standing, holding rheology through multi-day crossings.<\/p><\/div>

6<\/span>

Consistent Batch-to-Batch Performance<\/h4><\/div>

Activation-controlled processing keeps viscosity, yield point and fluid loss within tight tolerance across shipments.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Pileman® Trenchless Technical Profile<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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YIELD<\/div>
145 bbl\/sht<\/div><\/div>
MARSH FUNNEL VISCOSITY<\/div>
>60 sec<\/div><\/div>
API FILTRATE LOSS (30 MIN)<\/div>
20 ml<\/div><\/div>
YIELD POINT<\/div>
32 lb\/100 ft²<\/div><\/div>
PH (3% DISPERSION)<\/div>
9–10.5<\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Pileman® BH — For Brackish And Saline Ground Conditions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Coastal crossings, estuarine ground and saline aquifers break standard bentonite — high chloride, sulphate and carbonate hardness collapse the ionic layer that keeps clay particles dispersed, causing flocculation and a filter cake that can’t hold fluid loss, no matter the dosage. Pileman® BH is formulated specifically for that ground, mixing directly in water up to 5,000 ppm and tolerating dilution with up to 30% seawater inside the bore while still holding rheology and filter-cake integrity.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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1<\/span>

One Product, Multiple Formations<\/h4><\/div>

Maintains consistent slurry performance across varied soil and water conditions, reducing the need to switch products mid-crossing.<\/p><\/div>

2<\/span>

Freshwater Hydration Or Direct Saline Mix<\/h4><\/div>

Two mix designs available depending on site water salinity — direct mixing to 5,000 ppm, or freshwater hydration with saline dilution beyond that.<\/p><\/div>

3<\/span>

Excellent Borehole Support<\/h4><\/div>

Controlled rheology, suspension and filtration properties hold stability and minimise formation collapse over long bore lengths.<\/p><\/div>

4<\/span>

Economical To Use<\/h4><\/div>

High-yield performance and adaptable slurry properties reduce consumption and cut the overall cost of drilling fluid per crossing.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Where Pileman® BH Is Used<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Coastal and estuarine piling and diaphragm wall projects, HDD crossings in brackish or tidal ground, tunnelling and microtunnelling through saline aquifers, and any site where mix water carries significant chloride, sulphate or carbonate hardness. If your site water is above 5,000 ppm chloride or is carbonate-hard, specify BH from the start rather than trying to correct a standard grade batch by batch with soda ash.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Pileman® BH Technical Profile<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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MARSH VISCOSITY<\/div>
50 sec<\/div><\/div>
API FILTRATE LOSS (30 MIN)<\/div>
23 ml<\/div><\/div>
PH (3% DISPERSION)<\/div>
10–11<\/div><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sourced And Processed For Export-Grade Consistency<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Pileman® is processed from Amrfeo’s own Kutch, Gujarat bentonite reserves under ISO 9001:2015 quality systems, with Star Export House-backed logistics from Mundra and Kandla ports. For HDD contractors and drilling fluid distributors sourcing bentonite internationally, that means traceable raw material quality and shipment consistency batch after batch — not a commodity spot-buy.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Frequently Asked Questions<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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