Smith Bits, a Schlumberger firm, at present launched Aegis armor cladding that considerably improves bit physique design flexibility and erosion resistance, rising fee of penetration (ROP) and bit sturdiness for longer runs. Composed of a proprietary tungsten carbide materials, Aegis cladding will increase bit erosion resistance by 400% and power by 40% when in comparison with typical matrix polycrystalline diamond compact (PDC) bits.
“Our new armor cladding expertise combines modern supplies science with an electron-beam additive manufacturing course of,” mentioned Kristi Vilay, president, Bits & Drilling Tools, Schlumberger. “This new manufacturing method permits us to combine a brand new proprietary materials into our custom-made, fit-for-basin bits, offering a differentiated expertise to enhance our clients’ total drilling efficiency.”
In addition to bettering erosion resistance, Aegis cladding allows bit designs with taller blades and optimum nozzle placement. This ends in extra environment friendly cuttings evacuation that improves ROP.
Aegis cladding has undergone in depth area testing throughout 5 shale basins in North America. The expertise has additionally been area examined in Europe, the Middle East and South America for each onshore and offshore functions.
In Oklahoma’s Anadarko Basin, two steel-bodied bits with Aegis cladding have been deployed for a global oil and fuel firm in eight wells for a complete of eight bit runs. The use of Aegis cladding enhanced the fit-for-basin bit design with taller blades and optimum nozzle placement. This elevated ROP by 36% in contrast with direct offset runs of matrix PDC bits and saved the shopper an estimated 179 hours of drilling time throughout the eight runs.
Superior blade face and chopping ingredient safety delivers not solely extra power for aggressive bit designs—which improves total bit efficiency by itself—additionally higher erosion resistance. This allows angling the bit nozzles towards the blades and chopping parts for extra environment friendly cuttings evacuation enforced by drilling fluid circulation. And meaning quicker ROP, extra footage, and elevated bit sturdiness for longer runs.
(Source and picture: Schlumberger)
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