US 12,247,485 B2
Rotary steerable system with multiple rows of actuators
Lizheng Zhang, Houston, TX (US); and Paravastu Badrinarayanan, Houston, TX (US)
Assigned to Halliburton Energy Services, Inc., Houston, TX (US)
Filed by Halliburton Energy Services, Inc., Houston, TX (US)
Filed on Aug. 7, 2023, as Appl. No. 18/230,949.
Prior Publication US 2025/0052117 A1, Feb. 13, 2025
Int. Cl. E21B 7/06 (2006.01)
CPC E21B 7/067 (2013.01) 20 Claims
OG exemplary drawing
 
1. A rotary steerable system on a bottom-hole assembly, comprising:
a first actuator row, comprising:
a first steering actuator;
a second steering actuator; and
a third steering actuator; and
a second actuator row, comprising:
a fourth steering actuator disposed radially between the first steering actuator and the second steering actuator,
wherein the rotary steerable system is configured to:
extend the first steering actuator; and
extend the fourth steering actuator while the first steering actuator is at least partially extended.