Tool detection and alignment for tool installation
First Claim
Patent Images
1. A modular top drive system, comprising:
- a top drive unit for selectively connecting to a tool;
a tool exchange unit movable relative to the top drive unit to move the tool relative to the top drive unit; and
an alignment assembly attached to the top drive unit and configured to detect at least one of a relative position and a relative orientation between the top drive unit and the tool;
wherein the top drive unit is movable relative to the tool exchange unit.
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Accused Products
Abstract
A modular top drive system for construction of a wellbore includes an alignment assembly configured to align a tool with a top drive unit to facilitate automatic tool installation during rig up.
367 Citations
26 Claims
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1. A modular top drive system, comprising:
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a top drive unit for selectively connecting to a tool; a tool exchange unit movable relative to the top drive unit to move the tool relative to the top drive unit; and an alignment assembly attached to the top drive unit and configured to detect at least one of a relative position and a relative orientation between the top drive unit and the tool; wherein the top drive unit is movable relative to the tool exchange unit. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A modular top drive system, comprising:
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a top drive unit for selectively connecting to a tool; and an alignment assembly having a self-alignment structure and configured to detect at least one of a relative position and a relative orientation between the top drive unit and the tool, the self-alignment structure comprising; a funnel attached to the top drive unit; and an alignment pole attached to a tool exchange unit, wherein the alignment pole is configured to insert into the funnel and reach an apex of the funnel. - View Dependent Claims (11, 12, 13)
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14. A tool exchange unit configured to install a tool to a top drive unit, comprising:
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a tool holder configured to grip the tool; an actuation assembly configured to move the tool holder and the tool relative to the top drive unit from a first position suspended below the top drive unit to a second position, wherein the tool is inserted in the top drive unit in the second position; and an alignment assembly coupled to the tool holder and configured to detect at least one of a location and an orientation of the top drive unit relative to the tool gripped by the tool holder; wherein the top drive unit is movable relative to the tool holder, actuation assembly, and the alignment assembly. - View Dependent Claims (15, 16, 17, 18)
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19. A method for operating a top drive system, comprising:
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retrieving a tool using a tool exchange unit; moving the tool relative to a top drive unit to a first position below the top drive unit by moving the tool exchange unit relative to the top drive unit; aligning the tool with the top drive unit using an alignment assembly configured to detect at least one of a relative position and a relative orientation between the top drive unit and the tool; and inserting the tool into the top drive unit. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26)
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Specification