US 12,116,852 B2
Open hole tieback completion pressure activated backpressure valve, system, and method
Mohammed Parvez Khan, Dhahran (SA)
Assigned to BAKER HUGHES OILFIELD OPERATIONS LLC, Houston, TX (US)
Filed by Mohammed Parvez Khan, Dhahran (SA)
Filed on Jun. 10, 2022, as Appl. No. 17/837,363.
Prior Publication US 2023/0399905 A1, Dec. 14, 2023
Int. Cl. E21B 23/02 (2006.01); E21B 34/14 (2006.01)
CPC E21B 23/02 (2013.01) [E21B 34/14 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An open hole tieback completion pressure activated backpressure valve comprising:
a housing;
a flapper articulated to a pin;
a lock out sleeve having a collet thereon, the collet configurable to produce a seat to catch an object, the sleeve axially movably disposed within the housing in response to fluid pressure against the object landed on the seat when in use, the sleeve positioned to allow the flapper to be closed before axial movement of the sleeve and positioned to impede closure of the flapper after axial movement the sleeve;
and
a profile that locks the sleeve in place after the axial movement of the sleeve.