Directional drilling advising for rotary steerable system

A computing system, comprising:

• one or more processors;
• and
• a memory system comprising one or more non-transitory computer-readable media storing instructions that, when executed by at least one of the one or more processors, cause the computing system to perform operations, the operations comprising:
• receiving a drilling plan for a downhole tool to drill a wellbore from a surface of a subterranean formation toward a target in the subterranean formation, wherein the drilling plan comprises a planned drilling trajectory for the downhole tool, a predictive steering model for the downhole tool, an estimated dogleg severity for the downhole tool, and properties of the subterranean formation, and wherein the planned drilling trajectory is a first path extending from the surface to the target;
• receiving a measured drilling trajectory of the downhole tool after the downhole tool drills a first portion of the wellbore using the planned drilling trajectory, wherein the measured drilling trajectory is an actual trajectory of the downhole tool along a second path through the first portion of the wellbore determined via one or more sensors disposed on the downhole tool, and wherein the second path deviates from the first path;
• determining a state of the downhole tool based at least partially upon the planned drilling trajectory, the predictive steering model, the estimated dogleg severity, the properties of the subterranean formation, and the measured drilling trajectory, wherein the state comprises a difference between the first path associated with the planned drilling trajectory and the second path associated with the actual trajectory, a level of control of a steering capability of the downhole tool, and a location of an end of the wellbore;
• generating a working plan trajectory based at least partially upon the state of the downhole tool, wherein the working plan trajectory is a third path extending from a current location along the second path to the target, wherein the downhole tool is configured to switch from the planned drilling trajectory to the working plan trajectory to drill a second portion of the wellbore along the third path toward the target in the subterranean formation;
• transmitting the working plan trajectory to the downhole tool to cause the downhole tool to drill the second portion of the wellbore along the third path toward the target in the subterranean formation;
• measuring one or more downhole parameters after the downhole tool has switched to the working plan trajectory, wherein the one or more downhole parameters include a measured dogleg severity that is measured by the downhole tool and a downhole drill state of the downhole tool, wherein the downhole drill state is determined based at least partially upon the estimated dogleg severity and the measured dogleg severity;
• and
• transmitting the one or more downhole parameters to an execution platform configured to control operation of the downhole tool.

A system for controlling a drilling trajectory of a downhole tool, the system comprising:

• one or more processors coupled to one or more storage media, one or more sensors, and a communication interface configured to communicate via a network;
• a planning platform located at a surface, wherein the planning platform is configured to, via the one or more processors, generate a drilling plan for a downhole tool to drill a wellbore from the surface toward a target in a subterranean formation, wherein the drilling plan comprises a planned drilling trajectory for the downhole tool, a predictive steering model for the downhole tool, an estimated dogleg severity for the downhole tool, properties of the subterranean formation, and anti-collision data, and wherein the planned drilling trajectory is a first path extending from the surface to the target;
• an execution platform also located at the surface and in communication with the planning platform, wherein the execution platform is configured to:
• receive, via the network, a measured drilling trajectory of the downhole tool after the downhole tool drills a first portion of the wellbore using the planned drilling trajectory, wherein the measured drilling trajectory is an actual trajectory of the downhole tool along a second path through the first portion of the wellbore determined via one or more sensors disposed on the downhole tool, wherein the second path deviates from the first path;
• determine, via the one or more processors, a state of the downhole tool based at least partially upon the planned drilling trajectory, the predictive steering model, the estimated dogleg severity, the properties of the subterranean formation, and the measured drilling trajectory, wherein the state comprises a difference between the first path associated with the planned drilling trajectory and the second path associated with the actual trajectory, a level of control of a steering capability of the downhole tool, and a location of an end of the wellbore;
• and
• generate, via the one or more processors, a working plan trajectory based at least partially upon the state of the downhole tool and the anti-collision data, wherein generating the working plan trajectory comprises:
• generating a plurality of working plan trajectories, wherein each of the plurality of working plan trajectories is a respective path extending from a current location of the downhole tool along the second path to the target in the subterranean formation;
• ranking the plurality of working plan trajectories;
• and
• selecting one of the plurality of working plan trajectories based upon the ranking;
• and
• a drilling platform located in the downhole tool, wherein the drilling platform is in communication with the execution platform via the communication interface and the network, and wherein the drilling platform is configured to:
• receive, via the network, the working plan trajectory from the execution platform to cause the downhole tool to drill a second portion of the wellbore along the respective path associated with the working plan trajectory toward the target in the subterranean formation;
• measure, via the one or more sensors, one or more downhole parameters after the downhole tool has switched to the working plan trajectory, wherein the one or more downhole parameters include a measured dogleg severity that is measured by the downhole tool, a downhole drill state of the downhole tool, and a rate of penetration of the downhole tool, wherein the downhole drill state is determined based at least partially upon the estimated dogleg severity and the measured dogleg severity;
• and
• transmit, via the network, the one or more downhole parameters to the execution platform.