US 11,859,458 B2
Dissolvable pump down devices, dissolvable pump down assemblies, and methods to propel a bottomhole assembly through a lateral section of a wellbore
Jesse Cale Porter, Duncan, OK (US); Donald Ray Smith, Wilson, OK (US); Zachery Ryan Olson, San Antonio, TX (US); and Aaron Jacob Miller, Addison, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Sep. 21, 2021, as Appl. No. 17/481,124.
Claims priority of provisional application 63/081,727, filed on Sep. 22, 2020.
Prior Publication US 2022/0090458 A1, Mar. 24, 2022
Int. Cl. E21B 33/1295 (2006.01); E21B 33/08 (2006.01); E21B 23/04 (2006.01)
CPC E21B 23/0413 (2020.05) [E21B 33/08 (2013.01); E21B 33/1295 (2013.01); E21B 2200/08 (2020.05)] 20 Claims
OG exemplary drawing
 
16. A method to deploy a bottomhole assembly through a lateral section of a wellbore, comprising:
deploying a dissolvable pump down device that is coupled to a bottomhole assembly into a wellbore, the dissolvable pump down device comprising:
an engageable portion comprising a metal; and
one or more expandable pieces, each of the one or more expandable pieces initially being in a first position before the dissolvable pump down device is deployed in a wellbore, wherein the one or more expandable pieces are rubber flanges, and wherein each of the one or more flanges is configured to expand from the first position to the second position;
applying a threshold amount of fluid force to the one or more expandable pieces to expand the one or more expandable pieces from the first position to a second position, wherein a diameter of the one or more expandable pieces while the one or more expandable pieces are in the first position is less than the diameter of the one or more expandable pieces while the one or more expandable pieces are in the second position; and
propelling the dissolvable pump down device to a desired location in a lateral section of the wellbore; wherein the engageable portion is coupled to a wellbore isolation device that is configured to form a seal after the dissolvable pump down device is positioned at the desired downhole location; wherein the dissolvable pump down device is coupled to a mule shoe, and wherein the wellbore isolation device and the mule shoe are formed from dissolvable materials.