US 11,668,158 B1
Tieback casing to workover liner using a crossover
Hussain Ali Gahtani, Riyadh (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Nov. 30, 2021, as Appl. No. 17/538,468.
Int. Cl. E21B 43/10 (2006.01); E21B 33/16 (2006.01)
CPC E21B 33/16 (2013.01) [E21B 43/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for a workover well, the workover well having a production liner, a liner hanger, and a production casing, the method comprising:
running a workover liner, having a workover liner top end, into the workover well,
installing a crossover bottom end of a crossover to the workover liner top end;
installing a crossover top end of the crossover to a tieback casing bottom end of a tieback casing;
running the workover liner, the crossover, and the tieback casing into the workover well, wherein the workover liner is set within the production liner, the crossover is set above the liner hanger of the production liner, and the tieback casing is set within the production casing and extends to a surface location; and
cementing the workover liner, the crossover, and the tieback casing with cement and leaving behind a shoe track, wherein the cement holds the workover liner, the crossover, and the tieback casing in place within the workover well and the cement prevents leakage of fluids out of the workover well.