VBMGuyana
Civil & Infrastructure Drilling

Construction Drill Bits for Guyana

Volga Burmash drill bits for the construction industry cover the ground beneath Guyana's growth: TechnoPro and HDD roller cone bits for directional and horizontal directional drilling, TechnoPro, Standard and WaterDrill bits for water wells, ReverseCirculationBit PDC bits for reverse circulation drilling, and bit segments for manufacturing well reamers. Sizes run from 101.6 mm (4") WaterDrill bits to 660.4 mm (26") Standard bits.

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101.6–660.4 mm HDD · RC · Reamers Mixed Geology
Volga Burmash TechnoPro tricone bits for construction and water-well drilling
Catalog

Product Lines

Four Volga Burmash construction lines, each matched to a drilling method — from TechnoPro roller cone bits to the segments used to build well reamers.

TCNP

TechnoPro (TCNP)

Roller cone bits of improved design for directional drilling, water well drilling and well drilling in construction. TechnoPro bits use a sealed roller bearing made of high-quality materials, milled-tooth or tungsten carbide insert cutting structures, and a side jet or four jets (four jets on 295.3 mm and larger). For horizontal directional drilling VBM also makes a dedicated HDD series (139.7–165.1 mm, sealed journal bearing, hardfaced shirttail).

  • Diameter range: 139.7 mm (5½") to 311.1 mm (12¼")
  • Connection: API Regular pin (suffix K = non-standard thread)
  • Cutting structure: Milled tooth / TCI (IADC 115–735Y)
  • Bearing: Sealed roller bearing
  • Application: Directional drilling, water wells, construction
WD

WaterDrill (WD)

Steel-body PDC bits designed for the construction industry and for water wells in complicated geological conditions; also suitable for geothermal drilling. Wear-resistant PDC cutters and water flushing through cut-out ports or fixed / replaceable nozzles directed at the hole bottom clean the hole and cool the bit.

  • Diameter range: 101.6 mm (4") to 285.0 mm (11 7/32")
  • Type: PDC, steel body
  • Blades / cutters: 3 to 5 blades, 13 mm / 16 mm cutters
  • Formations: Soft, soft with medium interlayers
  • Application: Water wells, construction, geothermal
RCB

ReverseCirculationBit (RCB)

Steel-body PDC bits for reverse circulation drilling in different formations, where the cuttings return up the drill string. Large flushing ports let the cuttings pass easily into the drill string.

  • Diameter range: 190.5 mm (7½") to 600.0 mm (23 5/8")
  • Flow path: Large flushing ports, cuttings return through the drill string
  • Cutting structure: PDC cutters (5 or 6 blades, 13 mm)
  • Formations: Different formations
  • Application: Reverse circulation drilling
SEGMENTS

Bit Segments

Segments and sets of segments of VBM roller cone bits (TechnoPro, Motor, GrandPro and RS designs) used to manufacture well reamers and hole openers that work in any strata with water or mud flush. Supplied as single segments or complete sets with full or short shank; any sizes and types are manufactured on order.

  • Segment sizes: Segments of 139.7 mm (5½") to 660.4 mm (26") bits
  • Shank type: Full or short
  • Application: Well reamers for any strata with water or mud flush
In the Field

Construction Drilling in Guyana

Guyana's coastal plain and its hard interior demand very different bits. Here is where each construction line earns its keep.

HDDUtility & pipeline crossings

Most of Guyana's people and services sit on the narrow coastal strip around Georgetown, where streets, drainage canals and the Demerara, Berbice and Essequibo rivers all block open-cut trenching. VBM's HDD roller cone bits (139.7–165.1 mm) and TechnoPro bits for directional drilling are used for the bores beneath them that carry water mains, power conduit and fibre — installing new utilities and river crossings without tearing up roads or disturbing sea defences.

WaterCoastal & hinterland wells

Clean water supply reaches from coastal towns to remote hinterland and Amerindian communities. WaterDrill steel-body PDC bits suit soft formations and soft formations with medium interlayers such as the coastal clays and alluvium, while TechnoPro and Standard roller cone bits cover water wells in harder ground per IADC code — supporting community, agricultural and small industrial supply wells.

ReamersHole opening

Where a hole has to be enlarged — for example the deep bored holes that carry Georgetown's new towers, bridges and port structures down to competent bearing — contractors use well reamers and hole openers. VBM supplies single segments and complete sets of segments of TechnoPro, Motor and GrandPro bits for manufacturing reamers that work in any strata with water or mud flush.

RCExploration & grade control

In the hinterland gold belt, reverse-circulation drilling delivers fast, clean chip samples for exploration and grade control. RCB steel-body PDC bits have large flushing ports that let the cuttings pass easily into the drill string, returning cuttings for geologists to log ahead of mining.

Reference

Construction Bit Selection Guide

A starting point for matching application to product line and method. Send us your ground conditions and hole size and we will confirm the right configuration.

ApplicationDiameterProduct LineMethod
Utility & cable conduit bores139.7–165.1 mmHDD series (HDD)Horizontal directional drilling
Pipeline & river crossings139.7–311.1 mmTechnoPro (TCNP)Directional drilling
Community & agricultural water wells101.6–311.1 mmWaterDrill (WD), TechnoPro (TCNP)Rotary drilling
Deep / large-bore water wells295.3–660.4 mmStandard (STD)Rotary drilling
Exploration & grade-control holes190.5–600.0 mmReverseCirculationBit (RCB)Reverse circulation
Well reamers & hole openerssegments of 139.7–660.4 mm bitsBit SegmentsReaming with water or mud flush

Drilling Guyana's Coastal & Interior Ground

Guyana drills two very different grounds. The coastal plain where most construction happens is young, soft and wet — alluvial clays and silts laid down behind a sea wall, much of it below high-tide level. That ground is easy to penetrate but hard to keep stable: HDD and TechnoPro bits for directional bores beneath streets and canals, WaterDrill PDC bits for the soft formations that host coastal and near-surface aquifers, and reamers built from VBM bit segments where holes have to be enlarged.

Move inland and the geology hardens fast. Beneath the weathered cover lies the Precambrian basement of the Guiana Shield — the abrasive greenstone and granite that hosts the country's gold. ReverseCirculationBit PDC bits, with large flushing ports that pass the cuttings into the drill string, suit reverse-circulation programmes in this interior, while air-rotary water wells reach fractured-rock aquifers for hinterland communities. Choosing between a soft-formation cutting structure and one built for hard, abrasive rock is the single biggest decision on most Guyana jobs.

Whichever ground you are on, the right answer usually starts with the IADC code and the formation, not the brand on the bit. See our guide on how to choose a drill bit by IADC code, or compare ranges with our tricone bits and mining bits for harder interior work.

In stock in Dubai

Water-Well Bits in Stock in Dubai

141 pcs across 27 line items, ready to ship from our warehouse in Dubai (United Arab Emirates). Stock list updated 23 September 2026. Prices on request.

Shipping to Guyana from Dubai by air or sea freight. Exact lead time is confirmed with every quote.

Water-well, construction and HDD bits: Dubai stock as of 23 September 2026
ModelSizeIADCApplicationAvailableQuote
STD2214 41/64" (118 mm)—Water wells, construction7 pcsQuote
HDD50s4 7/8" (124 mm)517XHDD1 pcQuote
HDD50Ks5 1/2" (139.7 mm)527XHDD1 pcQuote
TCNP115K5 1/2" (139.7 mm)115Water wells, construction, HDD30 pcsQuote
TCNP525K5 1/2" (139.7 mm)525XWater wells, construction, HDD44 pcsQuote
TCNP735K5 1/2" (139.7 mm)735YWater wells, construction, HDD19 pcsQuote
WD513SC5 1/2" (139.7 mm)—Water wells, geothermal10 pcsQuote
TCNP725K5 5/8" (142.9 mm)—Water wells, construction, HDD1 pcQuote
HDD55Ks5 7/8" (149.2 mm)547XHDD1 pcQuote
HDD70Ks5 7/8" (149.2 mm)737YHDD1 pcQuote
WD513SC6 1/2" (165.1 mm)—Water wells, geothermal7 pcsQuote
TCNP6257 7/8" (200 mm)625YWater wells, construction, HDD1 pcQuote
TCNP6358" (203.2 mm)635YWater wells, construction, HDD2 pcsQuote
TCNP625X9 5/8" (244.5 mm)—Water wells, construction, HDD2 pcsQuote
TCNP62510" (254 mm)625YWater wells, construction, HDD2 pcsQuote

Showing the 15 line items with the most units out of 27. “—” under IADC: code not confirmed in the catalogue for that model (datasheet on request).

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Tell us your hole size, formation and target depth. As the authorized Volga Burmash distributor in Guyana, we'll match a tricone, PDC or mining bit and respond with availability and pricing.

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