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US 2025/0052117 A1Published application
Rotary Steerable System with Multiple Rows of Actuators
AssigneeHalliburton Energy Services, Inc.
InventorsLizheng Zhang, Paravastu Badrinarayanan
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Abstract
A rotary steerable system on a bottom-hole assembly, that includes a first actuator row, that includes a first steering actuator, a second steering actuator, and a third steering actuator, and a second actuator row, disposed at a radial offset from the first actuator row, that includes a fourth steering actuator.
Claims21
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.
9 more elements
(canceled)
A drillstring comprising a rotary steerable system, wherein the rotary steerable system comprises:
- a first actuator row, comprising:
- a first steering actuator;
- and
- a second steering actuator;
- and
- a second actuator row, comprising:
- a third steering actuator has a radial offset of 90° or less from the first steering actuator,
- wherein the rotary steerable system is configured to:
- extend the first steering actuator;
- and
- extend the third steering actuator while the first steering actuator is at least partially extended.
8 more elements
Dependencies are inferred from the claim text.