Method and apparatus for performing diagnostics in a wellbore operation
First Claim
Patent Images
1. A diagnostic module for a downhole drilling tool, comprising:
- a line interface adapted to interface with a wired drill pipe telemetry section;
a transceiver adapted to communicate signals between the wired drill pipe telemetry section and the diagnostic module; and
a controller operatively connected to the transceiver and adapted to control the transceiver.
1 Assignment
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Accused Products
Abstract
A wired drill pipe telemetry system includes a surface computer; and a drill string telemetry link comprising a plurality of wired drill pipes each having a telemetry section, at least one of the plurality of wired drill pipes having a diagnostic module electrically coupling the telemetry section and wherein the diagnostic module includes a line interface adapted to interface with a wired drill pipe telemetry section; a transceiver adapted to communicate signals between the wired drill pipe telemetry section and the diagnostic module; and a controller operatively connected with the transceiver and adapted to control the transceiver.
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Citations
53 Claims
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1. A diagnostic module for a downhole drilling tool, comprising:
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a line interface adapted to interface with a wired drill pipe telemetry section; a transceiver adapted to communicate signals between the wired drill pipe telemetry section and the diagnostic module; and a controller operatively connected to the transceiver and adapted to control the transceiver. - View Dependent Claims (2, 3, 4, 5)
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6. A wired drill pipe, comprising:
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an elongated tubular shank having an axial bore; a box end at a first end of the shank, the box end having a first inductive coupler element disposed therein; a pin end at a second end of the shank, the pin end having a second inductive coupler element disposed therein; a wire electrically coupling the first and the second inductive coupler elements, wherein the first inductive coupler element, the second inductive coupler element, and the wire constitute a telemetry section of the wired drill pipe; and a diagnostic module electrically coupled to the telemetry section of the wired drill pipe, the diagnostic module comprising; a line interface adapted to interface with a wired drill pipe telemetry section; a transceiver adapted to communicate signals between the wired drill pipe telemetry section and the diagnostic module; and a controller operatively connecting the transceiver and adapted to control the transceiver. - View Dependent Claims (7, 8, 9, 10, 11, 12, 13, 14)
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15. A wired drill pipe comprising:
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an elongated tubular shank having an axial bore; a box end al a first end of the shank, the box end having a first inductive coupler element disposed therein; a pin end at a second end of the shank, the pin end having a second inductive coupler element disposed therein; a wire electrically coupling the first and the second inductive coupler elements, wherein the first inductive coupler element, the second inductive coupler element, and the wire constitute a telemetry section of the wired drill pipe; and a connection for testing isolation between the wire and a body of the wired drill pipe, wherein a first end of the connection for testing connects to the wire. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A wired drill pipe telemetry system, comprising:
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a surface computer, and a drill string telemetry link comprising a plurality of wired drill pipes each having a telemetry section, at least one of the plurality of wired drill pipes having a diagnostic module electrically coupled to the telemetry section; wherein the diagnostic module comprises; a line interface adapted to interface with a wired drill pipe telemetry section; a transceiver adapted to communicate signals between the wired drill pipe telemetry section and the diagnostic module; and a controller operatively connecting the transceiver and adapted to control the transceiver. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A method for diagnosing a wired drill pipe telemetry system that comprises a plurality of wired drill pipes, each having a telemetry section, and at least one of the plurality of the wired drill pipes having a diagnostic module, the method comprising:
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sending a polling signal from a surface computer to the wired drill pipe telemetry system, the polling signal including a selected identifier; receiving and processing the polling signal by the diagnostic module in the at least one of the plurality of wired drill pipes; and receiving by the surface computer a reply from a specific diagnostic module having the selected identifier. - View Dependent Claims (30, 31, 32, 33, 34)
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35. A method for tracking a wired drill pipe usage, comprising:
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polling a diagnostic module of a wired drill pipe for an identifier when the wired drill pipe is run into a borehole; and logging the identifier for the wired drill pipe. - View Dependent Claims (36, 37, 38, 39)
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40. A method for diagnosing a failure in a wired drill pipe telemetry system, comprising:
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polling a diagnostic module of a wired drill pipe in a drill string; and recording whether a response from the diagnostic module is received by a surface computer. - View Dependent Claims (41, 42, 43, 44)
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45. A method for determining coupling efficiencies of wired drill pipes in a drill string, comprising:
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instructing each of at least one diagnostic module of the wired drill pipes in the drill string to send a signal of a known magnitude to a surface computer; receiving the signal with a measured magnitude for the each of the at least one diagnostic module; and determining the coupling efficiencies of the wired drill pipes based on the measured magnitude of the signal. - View Dependent Claims (46, 47, 48, 49, 50, 51)
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52. A method for assessing electrical isolation between a telemetry wire and a pipe body in a wired drill pipe, comprising:
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instructing a diagnostic module of the wired drill pipe to send a selected voltage through an isolation measurement circuitry; and determining an electrical property in the isolation measurement circuitry, wherein the electrical property is a resistance, a voltage, or a current.
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53. A method of testing a telemetry section, the section comprising a drill pipe having a wire extending therethrough, the method comprising:
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providing a telemetry section with a test pad and a resistor, the resistor having a known resistance; applying a voltage between a test pad and the drill pipe; measuring a test resistance passing between the test pad and the drill pipe; and detecting a difference between the test resistance and the known resistance whereby the condition of the wired drill pipe is determined.
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Specification