Delta™ is a premium connection that extends product life by reducing repair rates and lowering total cost of ownership. Superior performance features include faster makeup, greater opportunity for refacing with maintenance costs comparable to API interchangeable connections.
Occasional increases in repair rates from pipe inspected by 3rd party inspection companies prompted Grant Prideco and Tuboscope to perform a secondary inspection, revealing a considerable discrepancy between the initial inspection and the re-inspection to OEM criteria.
Based on these findings, we now offer the Delta Prime service: a secondary inspection of used drill pipe performed exclusively by Tuboscope certified inspectors that provides OEM aligned support to maximize useful asset life. The cost of the program is a percentage of the recut savings rather than a direct per connection price, but the biggest savings is the product life.
How does it work?
- Pipe inspected by 3rd party inspection company received at Tuboscope machine shop for repair. If a minimum quantity is met, the Machine Shop contacts the asset owner to offer a Delta Prime secondary inspection service.
- If accepted, certified inspectors perform detailed thread inspection according to OEM field inspection criteria. All inspection criteria are accessible to asset owners and inspection companies via the Grant Prideco Connection Library in GP2Go.
- Joints originally marked for recut and reinspected with same results will be repaired as originally planned
- Reclasses from recut to reface, can save up to 25% of asset life as tool joints on drill pipe must meet a minimum length requirement
Benefits
- OEM certified support ensures adherence to Delta specific inspection procedures
- OEM access to technical support
- Adhering to OEM field inspection criteria has shown a recut rate in the 6% on average
- Maximize asset life/extend tool joint life as tool joints can only be recut a limited number of times
- Reduce unnecessary maintenance costs
- Increase available capacity at machine shops and reduce repair turnaround times
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