20250230876. Needle (Schlumberger Technology)
NEEDLE FOR A CHOKE VALVE ASSEMBLY
Abstract: a needle for a choke valve assembly includes a base portion formed from a first non-superhard material and a tip portion formed from a superhard material. the needle also includes a brazed connection coupling the tip portion to the base portion. the brazed connection includes an insert formed from a second non-superhard material, in which the second non-superhard material is harder than the first non-superhard material and softer than the superhard material. in addition, the brazed connection includes a shim disposed between the insert and the base portion, a first layer of brazing material disposed between the base portion and the shim, and a second layer of brazing material disposed between the shim and the insert.
Inventor(s): Frederic Pauchet, Edmund Peter McHugh, J. Daniel Belnap, Cheng Peng, David Wahlquist, Lynn Belnap, Ivan Tapia, Scott S. Dahlgren, Neil Cannon
CPC Classification: F16K1/54 (Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve)
Search for rejections for patent application number 20250230876
- Patent Applications
- Schlumberger Technology Corporation
- CPC F16K1/54
- Frederic Pauchet of Clamart FR
- Edmund Peter McHugh of Longford IE
- J. Daniel Belnap of Provo UT US
- Cheng Peng of Provo UT US
- David Wahlquist of Provo UT US
- Lynn Belnap of Provo UT US
- Ivan Tapia of Provo UT US
- Scott S. Dahlgren of Alpine UT US
- Neil Cannon of Woodland Hills UT US