US 11,988,056 B2
Piston burst disk dump bailer
Gunnar Lende, Rogaland (NO); and Torleik Hervik Kleppa, Rogaland (NO)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US)
Filed on Jun. 2, 2020, as Appl. No. 16/890,860.
Prior Publication US 2021/0372217 A1, Dec. 2, 2021
Int. Cl. E21B 33/14 (2006.01); E21B 27/02 (2006.01); E21B 34/06 (2006.01); E21B 34/10 (2006.01)
CPC E21B 27/02 (2013.01) [E21B 33/14 (2013.01); E21B 34/063 (2013.01); E21B 34/10 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A method for injecting bailer content into a wellbore from an elongated dump bailer assembly, the elongated dump bailer assembly comprising an elongated dump bailer receptacle defining a cavity with first and second ends and having a first piston assembly positioned in the cavity, the method comprising:
filling the cavity with bailer content;
applying a first fluid pressure with wellbore fluid to an upper end of the first piston assembly;
urging the first piston assembly downward in the cavity with the wellbore fluid; and
pushing the bailer content out of the cavity into the wellbore with the first piston assembly.