As an authorised inspection, service and repair facility, Sub-drill provides a comprehensive maintenance and repair program for your drill stem and top drive valves. We undertake a full clean, strip-down, third party MPI/NDT inspection, repair, and pressure test to ensure the service life, reliability and safety of your drill stem valves. A full inspection report and cost structure are provided before any repairs are carried out.
Sub-drill provides inspection, repair and pressure testing services for all makes of Top Drive, IBOP’s, Kelly, Gray Valves, Bit-Subs, Floats Subs, Near Bit Stabilisers and Drop-in Check Valves to OEM Standards, from manufacturers including NOV, Global Manufacturing, ITAG, M&M, Packard, Hi-Kalibre, Don-Mashburn and WNCO.
Our hydrostatic pressure testing facility is capable of testing all top drive and drill stem valves up to a maximum pressure of 25,000 psi. Pressure testing is carried out to our specification/procedure or our customer’s requirements. We use a state-of-the-art digital logging system to record our testing, allowing us to produce high-quality digital charts.
Sub-drill is the authorised distributor and OEM approved repair centre for Global Manufacturing products in Europe and Africa.
For more information about our in-house valve inspection, repair, pressure testing services and valve supply, please contact email@example.com