US2018002783A1PendingUtilityA1

Light weight cemented carbide for flow erosion components

36
Assignee: SANDVIK INTELLECTUAL PROPERTYPriority: Dec 30, 2014Filed: Dec 28, 2015Published: Jan 4, 2018
Est. expiryDec 30, 2034(~8.5 yrs left)· nominal 20-yr term from priority
Inventors:Selassie DorvloMilena MechHenrik NordenstromEugene KeownMichael CarpenterJane Smith
C22C 19/055B22F 3/156B22F 2999/00C22C 29/08C22C 29/02C22C 29/067C22C 1/051
36
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

A cemented carbide for a flow component for controlling the pressure and flow of well products includes in wt %: about 7 to about 9 Co; about 5 to about 7 Ni; about 19 to about 24 Ti C; about 1.5 to about 2.5 Cr 3 C 2 ; about 0.1 to about 0.3 Mo and balance of WC. A cemented carbide for fluid handling components and seal ring a comprises in wt %: about 1 to about 30 Ti C; about 12 to about 20 Co+Ni; about 0.5 to about 2.5 Cr; about 0.1 to about 0.3 Mo and balance of WC. A cemented carbide for fluid handling components and seal ring a comprises in wt %: about 15 to about 30 Ti C; about 5 to about 20 Ni; about 0.5 to about 2. Cr; about 0.5 to about 2.5 Mo and balance of WC.

Claims

exact text as granted — not AI-modified
1 . A cemented carbide for a flow component for controlling the pressure and flow of well products, the cemented carbide having a composition comprising in wt % (weight %) of:
 about 7 to about 9 Co;   about 5 to about 7 Ni;   about 19 to about 24 TiC;   about 1.5 to about 2.5 Cr 3 C 2 ;   about 0.1 to about 0.3 Mo; and   balance WC.   
     
     
         2 . The cemented carbide for a flow component of  claim 1 , wherein the composition comprises about 20 to about 22 wt % TiC. 
     
     
         3 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 1.8 to about 2.2 wt % Cr 3 C 2 . 
     
     
         4 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 5.3 to about 6.0 wt % Ni. 
     
     
         5 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 8.0 to about 8.6 wt % Co. 
     
     
         6 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises from about 0.15 to about 0.25 wt % Mo. 
     
     
         7 . The cemented carbide for a flow component according to  claim 1 , wherein the composition comprises WC of from about 50 wt % to about 69 wt %. 
     
     
         8 . The cemented carbide for a flow component according to  claim 1 , wherein the composition has a density of from about 9.6 to about 10.2 g/cm 3 . 
     
     
         9 . A cemented carbide for fluid handling components and seal rings, the cemented carbide having a composition comprising in wt %:
 about 15 to about 30 TiC;   about 12 to about 20 Co+Ni;   about 0.5 to about 2.5 Cr 3 C 2 ;   about 0.1 to about 0.3 Mo; and   balance WC.   
     
     
         10 . The cemented carbide for fluid handling components and seal rings of  claim 9 , wherein the composition comprises from about 19.8 to about 21.8 wt % TiC. 
     
     
         11 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 1.8 to about 2.2 wt % Cr 3 C 2 . 
     
     
         12 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 5.3 to about 5.9 wt % Ni. 
     
     
         13 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 7.9 to about 8.5 wt % Co. 
     
     
         14 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises from about 0.15 to about 0.25 wt % Mo. 
     
     
         15 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition comprises WC in an amount of from about 62.2 to about 64.2 wt %. 
     
     
         16 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition has a density of from about 9.6 to about 10.2 g/cm 3 . 
     
     
         17 . The cemented carbide for fluid handling components and seal rings according to  claim 9 , wherein the composition has an average WC grain size of from about 4 μm to about 8 μm. 
     
     
         18 . A cemented carbide for fluid handling components and seal rings, the cemented carbide having a composition comprising in wt %:
 about 15 to about 30 TiC;   about 5 to about 20 Ni;   about 0.5 to about 2.5 Cr;   about 0.5 to about 2.5 Mo; and   the balance WC.   
     
     
         19 . The cemented carbide for fluid handling components and seal rings of  claim 18 , wherein the composition comprises from about 20 to about 23 wt % TiC. 
     
     
         20 . The cemented carbide for fluid handling components and seal rings of  claim 18 , wherein the composition comprises from about 0.8 to about 1.5 wt % Cr 3 C 2 . 
     
     
         21 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein the composition comprises from about 9.5 to about 14.5 wt % Ni. 
     
     
         22 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein the composition comprises from about 0.7 to about 1.6 wt % Mo. 
     
     
         23 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein the composition has a density of from about 9.8 to about 10.4 g/cm 3 . 
     
     
         24 . The cemented carbide for fluid handling components and seal rings according to  claim 18 , wherein cemented carbide composition has an average WC grain size of from about 9.9 μm to about 1.3 μm.

Cited by (0)

No later patents cite this yet.

References (0)

No backward citations on record.