Crossover Subs
Box×Pin, Box×Box and Pin×Pin connections in AISI 4145M or 4140HT alloy steel with phosphate surface coating.
EnquireA one-stop-shop for downhole tools, drill stem components, process equipment, NDT inspection and complete servicing — for the oil & gas, mining and production industries, across India and overseas.
HSE First. Innovation Forward.
Advance Energy Industries — trusted manufacturing and NDT partner, evolving into an indigenous technology leader in well revival and enhanced oil recovery.
Make in IndiaWe embed an HSE-First approach into every aspect of our operations, placing Health, Safety, and Environment above all else.
We build a robust foundation for research and innovation.
We develop indigenous — Make in India — prototypes and technologies that revive mature wells and enhance oil recovery, delivering measurable technological value and sustained production gains to clients in India and beyond.
In-house manufacturing gives us full control over every project — so a repair, a re-thread or a replacement is an internal job, not a purchase order.
Drill stem components, subs and process equipment machined at our Ahmedabad facility on two-shift capacity.
A full NDT suite — UT, MPI, EMI, eddy current and hydrostatic testing to API RP7G-2 and DS-1.
Sustained throughput and fast turnaround on servicing, redressing and re-threading when the rig is waiting.
Rotary shoulder connections to API Spec 7-1, casing & tubing to 5CT — cut, gauged and verified on site.
Manufactured from AISI 4145M / 4140HT alloy steel with phosphate surface coating, in every standard API connection and configuration.
Box×Pin, Box×Box and Pin×Pin connections in AISI 4145M or 4140HT alloy steel with phosphate surface coating.
EnquireShort drill pipes for string-length adjustment. Standard lengths of 2', 5', 10', 15' and 20'.
EnquireHigh-performance Polycrystalline Diamond Compact bits in multiple sizes and cutter configurations.
EnquireBit subs from 3-1/8" to 12" OD, 36"–48" length, in all API connection types.
Enquire2"–6" range, 500–20,000 PSI CWP. Three-lug ACME thread for fast, secure make-up.
EnquireWell test flow lines, N₂ flow lines, surge tanks, SSV and storage tanks for surface operations.
Enquire
Full servicing, refurbishment and re-certification of downhole tools — with in-house manufacture of the parts that wear out.
9-5/8", 8", 6-3/4" and 4-3/4" motors — sealed bearing assemblies, drive shafts, seals, stacks and rotary shaft repair.
8", 6-3/4" and 4-3/4" jars — piston bearing repair, chrome part reconditioning, pressure cylinder & connector-sub manufacture.
Rotary shoulder connections to API Spec 7-1; casing & tubing to 5CT. Drill pipes, collars and non-magnetic drill collars.
Integral & sleeve type, magnetic and non-magnetic, up to 26" OD. Hard facing in HF3000 and HF5000.
Grinding and finishing on the shop floor — the in-house machining capacity behind every component we deliver.
Manufacturing, refurbishment and installation jobs completed for ONGC, John Energy and KDC. Select any project to see the job work, location and customer.
Click a photograph for project details
Drill string, equipment and pipe inspection to recognised international standards — visual, ultrasonic, electromagnetic and hydrostatic.

HSE First. Innovation Forward.
Comprehensive planning of all activities to minimise HSE risk — assessed at every stage from raw material to dispatch.
Full HSE compliance is required from all employees, subcontractors and third-party suppliers, on every project we take on.
Talk to our teamDownhole tools, drill stem components, process equipment or a full inspection — send us the spec and we'll come back with a quote.
Get a QuoteSend us your requirement and we'll respond with availability, specification and pricing.