US 12,188,333 B2
Spacer window sleeve
David Joe Steele, Carrollton, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Jun. 6, 2022, as Appl. No. 17/833,699.
Claims priority of provisional application 63/197,924, filed on Jun. 7, 2021.
Claims priority of provisional application 63/197,945, filed on Jun. 7, 2021.
Claims priority of provisional application 63/197,886, filed on Jun. 7, 2021.
Prior Publication US 2022/0389802 A1, Dec. 8, 2022
Int. Cl. E21B 41/00 (2006.01); E21B 7/06 (2006.01); E21B 33/12 (2006.01); E21B 33/128 (2006.01); E21B 34/14 (2006.01); E21B 43/26 (2006.01)
CPC E21B 41/0035 (2013.01) [E21B 7/06 (2013.01); E21B 33/12 (2013.01); E21B 33/128 (2013.01); E21B 34/14 (2013.01); E21B 43/2607 (2020.05); E21B 43/26 (2013.01); E21B 2200/06 (2020.05)] 25 Claims
OG exemplary drawing
 
1. A frac window system, comprising:
an elongated tubular having a first end and a second end with an opening defined in a wall of the elongated tubular between the first end and the second end, the wall having an inner surface and an outer surface, wherein the opening in the wall is configured to align with a window of a first wellbore casing, the elongated tubular having an elongated tubular engagement mechanism along an outer surface thereof, the elongated tubular engagement mechanism configured to engage with an engagement mechanism of the first wellbore casing proximate the window of the first wellbore casing; and
a spacer window sleeve positioned within and removably coupled with the elongated tubular, the spacer window sleeve including a tubular having a first tubular end and a second tubular end with a second opening defined in a second wall of the tubular between the first tubular end and the second tubular end, the second wall having a second inner surface and a second outer surface, wherein the second opening in the second wall is configured to at least partially align with the opening in the wall of the elongated tubular.