NEEDLE FOR A CHOKE VALVE ASSEMBLY

Organization Name

schlumberger technology corporation

Inventor(s)

Frederic Pauchet of Clamart (FR)

Edmund Peter Mchugh of Longford (IE)

J. Daniel Belnap of Lindon UT (US)

Cheng Peng of Orem UT (US)

David Wahlquist of Spanish Fork UT (US)

Lynn Belnap of Spanish Fork UT (US)

Ivan Tapia of Provo UT (US)

Scott S. Dahlgren of Alpine UT (US)

Neil Cannon of Woodland Hills UT (US)

NEEDLE FOR A CHOKE VALVE ASSEMBLY

This abstract first appeared for US patent application 20240418269 titled 'NEEDLE FOR A CHOKE VALVE ASSEMBLY

Original Abstract Submitted

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.