Project Support Team
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+44 1224 724600
sales@subdrill.co.uk
Drill Stem Valves
Specialised Drilling Component Reconditioning
Sub-drill provides a rapid, high-efficiency inspection, restoration, and compliance validation service for critical downhole tubulars and specialty connection assets. Every phase of our engineering workflow aligns completely with current international energy sector regulations to guarantee field readiness.
Downhole Inventory & Specialty Hardware
Our technicians are fully equipped to evaluate and overhaul an expansive array of critical drilling stream assets, including:
Verifying Asset Integrity
We eliminate deployment risks by verifying asset integrity against rigorous drilling parameters and applying protective technical finishes on-site:
Stringent Standard Testing
Material evaluations and thread assessments are conducted to precise NS-2, DS-1, and API 7-1 framework parameters, or adapted to custom corporate protocols.
Surface Protection Integration
We utilise an integrated phosphate chemical coating system to treat premium connections, providing essential lubrication that mitigates thread galling during high-torque makeup.
FAQ
What specific documentation accompanies your downhole tool qualification service?
Every single crossover, sub, or pup joint passing through our facility receives full digital material traceability and compliance certificates verifying conformity to NS-2, DS-1, or API 7-1 parameters. This data bundle details the exact dimensional measurements, NDT test results, and surface coating applications completed during the tool’s turnaround.