Brazing and Hardsurfacing Specialist

Precision.
Compliance.
Excellence in
Drilling Bit Refurbishment.

ISO-certified repair and refurbishment of PDC bits, downhole tools, and drilling equipment for the Oil & Gas and Geothermal industries. Based in Bogor, serving Indonesia and beyond.

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20+ Years Experience
3× ISO Certified
290m² Workshop Facility
Our Services

Comprehensive Repair & Refurbishment

End-to-end capabilities for drilling bits and downhole tools, backed by international certifications and 20+ years of collective expertise.

PDC Bit Repair
Core Service

PDC Bit Repair

Complete teardown, cutter removal, and precision re-brazing of new cutters. Full restoration of Matrix and Steel Body bits to factory tolerances using imported European materials.

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Downhole Tool Repair
Core Service

Downhole Tool Repair

Repair and modification of stabilizers, mill bits, and aero reamers. Hardsurfacing with Technogenia, Technorope, and Composite Rod methods. TSP insert application and tack welding.

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Quality Assurance and Inspection
QA/QC

Quality Assurance & Inspection

Rigorous pre- and post-repair inspection protocols. Dull grading, gage grinding calibration, OD measurement, and photographic documentation in compliance with API standards.

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Why Choose Us

Industry-Trusted. Locally Based.

Strategic advantages that make PT. Wanatirta Nusantara the preferred repair partner for global operators in Indonesia.

API & ISO Certified

Independently audited by Bureau Veritas (UKAS 0008). Certified to ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018 — the gold standard for quality, environmental, and safety management.

20+ Years Collective Experience

Our team brings over two decades of hands-on expertise, with backgrounds at NOV ReedHycalog and Halliburton. Trained internationally across the UK, USA, China, and Scotland.

Trusted by Industry Leaders

Long-standing relationships with Baker Hughes, Halliburton, NOV ReedHycalog, Ulterra, Varel Indonesia, Core Lab, and Expro — the most demanding operators in the energy sector.

~30%

of new-bit cost to repair

290m²

dedicated workshop area

2010

established in Bogor

3×

ISO certifications held

Trusted by Global Leaders in Oil & Gas

NOV ReedHycalog · Baker Hughes · Halliburton · Ulterra Bits · Core Lab · Varel Indonesia · Expro · NOV ReedHycalog · Baker Hughes · Halliburton · Ulterra Bits · Core Lab · Varel Indonesia · Expro ·
About PT. WTN

Indonesia's Premier Specialist in Bit Repair & Refurbishment

Founded in 2010 by Andi Sudira — former Senior Field Engineer at NOV ReedHycalog — PT. Wanatirta Nusantara was built on a single principle: restore drilling tools to factory performance at a fraction of replacement cost.

Strategically located in Cibinong, Bogor — just 30 km from Jakarta — our 290m² state-of-the-art facility is equipped with industrial-grade ovens, bead blasting units, OD grinding machines, lathe machines, and Oxyacetylene torch systems.

  • TKDN-compliant — supports Indonesian Local Content requirements
  • Welding materials directly imported from Europe and the USA
  • Eliminates costly export-import bureaucracy and freight delays
Our Full Story
PT. Wanatirta Nusantara Workshop

Bureau Veritas Certified

ISO 9001 · 14001 · 45001 · UKAS 0008

Est. 2010
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Next Project?

Send us your bit condition report, gage measurements, and thread specifications for a fast, accurate quotation from our engineering team.

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