Systems and methods for ranging and tracking while drilling multiple geological wells
AssigneeSchlumberger Technology Corporation
InventorMichael Montois
Life of this patent
Estimating the term…
Abstract
A system includes a first rotary steerable tool configured to control a first drilling bit to drill a first well having a first well path. The first rotary steerable tool includes a first direction and inclination component that includes a first set of sensors configured to detect a static magnetic field and a signal source configured to generate a source signal. The system also includes a second rotary steerable tool configured to control a second drilling bit to simultaneously drill a second well having a second well path that tracks the first well path. The second rotary steerable tool includes a second direction and inclination component that includes a second set of sensors configured to detect the source signal.
Claims20
A system, comprising:
- a first rotary steerable tool configured to control a first drilling bit to drill a first well having a first well path, wherein the first rotary steerable tool comprises:
- a first direction and inclination component comprising a first set of sensors configured to detect a static magnetic field;
- and
- a signal source configured to generate a source signal;
- and
- a second rotary steerable tool configured to control a second drilling bit to simultaneously drill a second well having a second well path that tracks the first well path, wherein the second rotary steerable tool comprises a second direction and inclination component comprising a second set of sensors configured to detect the source signal, wherein sensors in the second set of sensors are spaced apart from one another at a plurality of axial positions, a plurality of azimuthal positions, or a combination thereof, wherein the second rotary steerable tool is configured to track the first rotary steerable tool at least based on differences in a signal travel time, a signal amplitude, or a combination thereof, of the source signal received at the second set of sensors.
A system, comprising:
- a second rotary steerable tool configured to control a second drilling bit to simultaneously drill a second well having a second well path that tracks a first well path of a first well being drilled by a first drilling bit controlled by a first rotary steerable tool;
- wherein the first rotary steerable tool comprises a first direction and inclination component comprising a first set of sensors configured to detect a static magnetic field, and a signal source configured to generate a source signal;
- and
- wherein the second rotary steerable tool comprises a second direction and inclination component comprising a second set of sensors configured to detect the source signal, wherein sensors in the second set of sensors are spaced apart from one another at a plurality of axial positions, a plurality of azimuthal positions, or a combination thereof, wherein the second rotary steerable tool is configured to track the first rotary steerable tool at least based on differences in a signal travel time, a signal amplitude, or a combination thereof, of the source signal received at the second set of sensors.
A method, comprising:
- operating a first rotary steerable tool to control a first drilling bit to drill a first well having a first well path, wherein the first rotary steerable tool comprises a first direction and inclination component comprising a first set of sensors configured to detect a static magnetic field, and a signal source configured to generate a source signal;
- and
- operating a second rotary steerable tool to control a second drilling bit to simultaneously drill a second well having a second well path that tracks the first well path, wherein the second rotary steerable tool comprises a second direction and inclination component comprising a second set of sensors configured to detect the source signal, wherein sensors in the second set of sensors are spaced apart from one another at a plurality of axial positions, a plurality of azimuthal positions, or a combination thereof, wherein the second rotary steerable tool is configured to track the first rotary steerable tool at least based on differences in a signal travel time, a signal amplitude, or a combination thereof, of the source signal received at the second set of sensors.
Dependencies are inferred from the claim text.