US 11,920,430 B2
Adjustable injection valve for a plug and abandonment anchoring device
Paul Rennison, Aberdeen (GB); Roger Clark, Aberdeen (GB); Geir Jørgensen, Tau (NO); Robert Walker, Aberdeen (GB); Kristoffer Landre, Sola (NO); and Katherine Davies, Carnoustie (GB)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Dec. 30, 2021, as Appl. No. 17/565,558.
Claims priority of provisional application 63/179,866, filed on Apr. 26, 2021.
Prior Publication US 2022/0341286 A1, Oct. 27, 2022
Int. Cl. E21B 34/10 (2006.01); E21B 33/134 (2006.01)
CPC E21B 34/10 (2013.01) [E21B 33/134 (2013.01)] 17 Claims
OG exemplary drawing
 
7. A method comprising:
positioning an adjustable injection valve adjacent to a spring in an anchoring device;
adjusting an initial pressure of the spring, the initial pressure corresponding to a cracking pressure of the adjustable injection valve; and
positioning the anchoring device in a wellbore for performing a wellbore operation, wherein positioning the anchoring device in the wellbore includes adjusting the adjustable injection valve for forming a vacuum in the wellbore to control flow of barrier fluid in the wellbore.