Patent ID: 11939850
Assignee: SAUDI ARABIAN OIL COMPANY
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 0:
1. A treatment system, comprising:
a treatment bladder having a volume, a lower fluid junction, and containing a treatment fluid,
where the treatment fluid is at a pressure in a range of from about 90% to 110% of a pressure of a tubing-casing annulus of a wellhead system to be treated, and
where the volume is in a range of 80 to 120% of the volume of the tubing-casing annulus to be treated; and
a fluid conduit coupled to both the treatment bladder at the lower fluid junction and a tubing-casing annulus junction for a tubing-casing annulus of a wellhead system,
where the fluid conduit while coupled is configured to convey a fluid having a density less than the treatment fluid to traverse from the tubing-casing annulus to the treatment bladder and a fluid having a density equal to or greater than the treatment fluid to traverse from the treatment bladder tank to the tubing-casing annulus simultaneously and without any active mechanical assistance when selective fluid connectivity is established between the treatment bladder and the tubing-casing annulus, and
where the fluid conduit is rated to withstand both a pressure of at least a maximum allowable annular surface pressure (MAASP) of the tubing-casing annulus and a temperature of at least a maximum production fluid temperature.