Systems and methods for downhole measurements
AssigneeSchlumberger Technology Corporation
InventorDidier Fouillou
Life of this patent
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Abstract
A tool may include a body having a rotational axis oriented in an axial direction. A tool may include a sensor positioned proximate to a window in a radially outward surface of the body, wherein the window defines a window outer diameter relative to the rotational axis. A tool may include a plurality of stabilizer pads positioned on the outward surface of the body in a downhole direction of the axial direction relative to the window, wherein the plurality of stabilizer pads defines a pad outer diameter relative to the rotational axis that is greater than the window outer diameter.
Claims18
A logging-while-drilling (LWD) tool configured to connect to a drill bit, the LWD tool comprising:
- a body having a rotational axis oriented in an axial direction;
- a sensor positioned proximate to a window in a radially outward surface of the body, wherein the window defines a window outer diameter relative to the rotational axis;
- a first plurality of stabilizer pads positioned on the outward surface of the body in a downhole direction of the axial direction relative to the window, wherein the first plurality of stabilizer pads defines a pad outer diameter relative to the rotational axis that is less than a bit diameter of the drill bit and greater than the window outer diameter;
- and
- a second plurality of stabilizer pads positioned uphole from the first plurality of stabilizer pads.
A system for drilling a borehole, the system comprising:
- a drill bit having a rotational axis and a bit diameter relative to the rotational axis;
- and
- a logging-while-drilling (LWD) tool connected to the drill bit, the LWD tool including:
- a body having a rotational axis oriented in an axial direction;
- a sensor positioned proximate to a window in a radially outward surface of the body, wherein the window defines a window outer diameter relative to the rotational axis;
- a first plurality of stabilizer pads positioned on the outward surface of the body in a downhole direction of the axial direction relative to the window, wherein the first plurality of stabilizer pads defines a pad outer diameter relative to the rotational axis that is less than the bit diameter and greater than the window outer diameter;
- and
- a second plurality of stabilizer pads positioned uphole from the first plurality of stabilizer pads.
A system for drilling a borehole, the system comprising:
- a drill bit having a rotational axis and a drill bit diameter relative to the rotational axis;
- a rotary steerable system (RSS) connected to the drill bit, and
- a logging-while-drilling (LWD) tool connected to the drill bit, the LWD tool including:
- a body having a rotational axis oriented in an axial direction;
- a sensor positioned proximate to a window in a radially outward surface of the body, wherein the window defines a window outer diameter relative to the rotational axis;
- a first plurality of stabilizer pads positioned on the outward surface of the body in a downhole direction of the axial direction relative to the window, wherein the first plurality of stabilizer pads defines a pad outer diameter relative to the rotational axis that is less than the drill bit diameter and greater than the window outer diameter;
- and
- a second plurality of stabilizer pads positioned uphole from the first plurality of stabilizer pads.
Dependencies are inferred from the claim text.