US 12,442,274 B2
Well production management in sour environment at a surface equipment zone
Nestor Jesus Molero Garcia, Dammam (SA); Pierre Ramondenc, Puteaux (FR); Iyad Hamed Naji, Ahmadi (KW); and Scott Alexander Douglas Bulloch, Richmond, TX (US)
Assigned to SCHLUMBERGER TECHNOLOGY CORPORATION, Sugar Land, TX (US)
Filed by Schlumberger Technology Corporation, Sugar Land, TX (US)
Filed on May 28, 2024, as Appl. No. 18/675,521.
Claims priority of provisional application 63/504,474, filed on May 26, 2023.
Prior Publication US 2024/0392649 A1, Nov. 28, 2024
Int. Cl. E21B 34/02 (2006.01); E21B 47/06 (2012.01); E21B 19/22 (2006.01)
CPC E21B 34/025 (2020.05) [E21B 47/06 (2013.01); E21B 19/22 (2013.01)] 18 Claims
OG exemplary drawing
 
13. A wellhead stack for a coiled tubing system, the wellhead stack comprising:
an entry point for insertion of an inhibited fluid;
an exit point below the entry point for collection of the inhibited fluid; and
a choke guide ram below the exit point, the choke guide ram including a choke ram having an inner diameter to pass coiled tubing of the coiled tubing system to therethrough, the choke guide ram configured to increase an inhibited fluid pressure of the inhibited fluid between the entry point and the exit point when the coiled tubing is within the choke ram.