US 12,404,747 B2
High-pressure multilateral junction with mainbore and lateral access and control
David Joe Steele, Carrollton, TX (US); Srinivasa Prasanna Vemuri, Frisco, TX (US); Stacey Blaine Donovan, Fort Worth, TX (US); Morten Falnes, Sola (NO); Wesley Paul Dietz, Carrollton, TX (US); and Christian Alexander Ramirez, Irving, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Dec. 10, 2020, as Appl. No. 17/118,317.
Claims priority of provisional application 62/946,219, filed on Dec. 10, 2019.
Prior Publication US 2021/0172293 A1, Jun. 10, 2021
Int. Cl. E21B 41/00 (2006.01); E21B 17/18 (2006.01); E21B 23/00 (2006.01); E21B 23/02 (2006.01); E21B 43/14 (2006.01); E21B 43/26 (2006.01); E21B 23/12 (2006.01)
CPC E21B 41/0035 (2013.01) [E21B 17/18 (2013.01); E21B 23/00 (2013.01); E21B 23/02 (2013.01); E21B 41/0042 (2013.01); E21B 43/26 (2013.01); E21B 23/12 (2020.05); E21B 43/14 (2013.01)] 36 Claims
OG exemplary drawing
 
1. A y-block, comprising:
a housing comprising a monolithic block of material, the housing having a first end and a second opposing end defining a length (L);
a single first bore extending into the monolithic block of material from the first end, the single first bore defining a first centerline; and
second and third separate bores extending into the monolithic block of material and branching off from the single first bore, the second bore defining a second centerline and the third bore defining a third centerline, wherein the second and third centerlines are angled relative to one another, wherein the second and third bores include a shared interior wall along at least a portion of the length (L), the shared interior wall extending to a downhole end of at least one of the second or third separate bores, wherein the second bore includes a pin joint at the second opposing end and the third bore includes a box joint at the second opposing end.