Engagement features for tubular grappling system

Abstract

Present embodiments are directed to a tubular gripping system having engagement features. The tubular grappling system is configured to grip a tubular of a mineral extraction system and includes a first set of teeth of a contact surface of the tubular grappling system, wherein the contact surface is configured to engage with the tubular, and each tooth of the first set of teeth comprises a first orientation and a second set of teeth of the contact surface of the tubular grappling system, wherein each tooth of the second set of teeth comprises a second orientation, wherein the first and second orientations are generally perpendicular to one another, wherein the first set of teeth and the second set of teeth are axially offset from one another relative to a central axis of the tubular grappling system.

1 . A system, comprising:
 a tubular grappling system configured to grip a tubular of a mineral extraction system, comprising:
 a first set of teeth of a contact surface of the tubular grappling system, wherein the contact surface is configured to engage with the tubular, and each tooth of the first set of teeth comprises a first orientation; and 
 a second set of teeth of the contact surface of the tubular grappling system, wherein each tooth of the second set of teeth comprises a second orientation, wherein the first and second orientations are generally perpendicular to one another, 
 wherein the first set of teeth and the second set of teeth are axially offset from one another relative to a central axis of the tubular grappling system. 
   
     
     
         2 . The system of  claim 1 , wherein the tubular grappling system comprises an external tubular grappling system configured to engage with an outer surface of the tubular, the contact surface comprises a die of the external tubular grappling system, and the first and second sets of teeth are formed on an internal surface of the die. 
     
     
         3 . The system of  claim 1 , wherein the tubular grappling system comprises an internal tubular grappling system configured to engage with an internal surface of the tubular, the contact surface comprises a grapple of the internal tubular grappling system, and the first and second sets of teeth are formed on an outer surface of the grapple. 
     
     
         4 . The system of  claim 3 , wherein the internal tubular grappling system comprises a mandrel configured to drive the grapple radially outward. 
     
     
         5 . The system of  claim 1 , wherein the first set of teeth and the second set of teeth are radially offset from one another relative to a longitudinal axis of the contact surface. 
     
     
         6 . The system of  claim 1 , wherein each tooth of the first set of teeth comprises a first surface facing an axial top of the contact surface and a second surface facing an axial bottom of the contact surface, wherein the first surface is shorter than the second surface. 
     
     
         7 . The system of  claim 1 , wherein the each tooth of the first set of teeth extends horizontally relative to a central axis of the contact surface, and each tooth of the second set of teeth extends vertically relative to the central axis of the contact surface. 
     
     
         8 . The system of  claim 7 , wherein the second set of teeth comprises a first plurality of teeth and a second plurality of teeth, wherein each tooth of the first plurality of teeth is slanted in a first rotational direction of the tubular grappling system, and each tooth of the second plurality of teeth is slanted in a second rotational direction of the tubular grappling system opposite the first rotational direction. 
     
     
         9 . A system, comprising:
 a die of an external tubular grappling system, wherein the at least one die is configured to engage with an external surface of a tubular of a mineral extraction system, wherein the die comprises a first set of teeth and a second set of teeth formed on an internal surface of the die, wherein each tooth of the first set of teeth extends horizontally relative to a central axis of the die, and each tooth of the second set of teeth extends vertically relative to the central axis of the die.   
     
     
         10 . The system of  claim 9 , wherein the first set of teeth and the second set of teeth are axially offset from one another relative to the central axis of the die. 
     
     
         11 . The system of  claim 9 , wherein each tooth of the first set of teeth is slanted toward an axial top of the die. 
     
     
         12 . The system of  claim 9 , wherein each tooth of the first set of teeth comprises a first surface facing an axial top of the die and a second surface facing an axial bottom of the die, wherein the first surface is shorter than the second surface. 
     
     
         13 . The system of  claim 9 , wherein the second set of teeth comprises a first plurality of teeth and a second plurality of teeth, wherein each tooth of the first plurality of teeth is angled in a first rotational direction of the external tubular grappling system, and each tooth of the second plurality of teeth is angled in a second rotational direction of the external tubular grappling system. 
     
     
         14 . The system of  claim 9 , wherein the second set of teeth comprises a first plurality of teeth and a second plurality of teeth, wherein each tooth of the first plurality of teeth comprises a first surface facing a first rotational direction of the external tubular grappling system and a second surface facing a second rotational direction of the external tubular grappling system, wherein the first surface is shorter than the second surface, and each tooth of the second plurality of teeth comprises a third surface facing the second rotational direction of the external tubular grappling system and a fourth surface facing the first rotational direction of the external tubular grappling system, wherein the third surface is shorter than the fourth surface. 
     
     
         15 . The system of  claim 9 , comprising the external tubular grappling system having the die, wherein the external tubular grappling system is configured to actuate the die radially inward to engage with the external surface of the tubular. 
     
     
         16 . A system, comprising:
 a grapple of an internal tubular grappling system, wherein the grapple is configured to engage with an internal surface of a tubular of a mineral extraction system, wherein the grapple comprises a first set of teeth and a second set of teeth formed in an outer surface of the grapple, wherein each tooth of the first set of teeth extends horizontally relative to a longitudinal axis of the grapple, and each tooth of the second set of teeth extends vertically relative to the longitudinal axis of the grapple.   
     
     
         17 . The system of  claim 16 , wherein the at least one grapple comprises a third set of teeth, wherein each tooth of the third set of teeth extends horizontally relative to the longitudinal axis of the grapple. 
     
     
         18 . The system of  claim 17 , wherein the first set of teeth, the second set of teeth, and the third set of teeth are each axially offset from one another relative to the longitudinal axis of the grapple. 
     
     
         19 . The system of  claim 18 , wherein the second set of teeth is disposed axially between the first set of teeth and the third set of teeth relative to the longitudinal axis of the grapple. 
     
     
         20 . The system of  claim 16 , comprising the internal tubular grappling system having the grapple, wherein the internal tubular grappling system comprises a mandrel configured to actuate the grapple radially outward to engage with the internal surface of the tubular.