US 11,746,598 B2
Debris resistant alignment system and method
Wesley P. Dietz, Carrollton, TX (US); and 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 Nov. 10, 2021, as Appl. No. 17/523,469.
Prior Publication US 2023/0146814 A1, May 11, 2023
Int. Cl. E21B 7/06 (2006.01); E21B 23/10 (2006.01); E21B 23/02 (2006.01); E21B 41/00 (2006.01); E21B 23/00 (2006.01)
CPC E21B 7/061 (2013.01) [E21B 23/006 (2013.01); E21B 23/02 (2013.01); E21B 23/10 (2013.01); E21B 41/0035 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A slotted orientation apparatus for use with a keyed running tool, comprising:
a tubular having a wall thickness (t); and
a slot extending at least partially through the tubular, the slot having an angled portion coupled to an axial portion, wherein the slot radially extends around the tubular (X) degrees, wherein (X) is 180 degrees or less, wherein the slotted orientation apparatus forms at least a portion of a multilateral junction, the multilateral junction further including a tubular spacer positioned downhole of the slotted orientation apparatus, a whipstock positioned downhole of the tubular spacer, a y-block positioned downhole of the whipstock, and a main bore leg and a lateral bore leg coupled to a downhole end of the y-block.