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  1. 1. eWAFE Power System Training
  2. 2. August 2011 Welcome This is the eWAFE Power System Training Module. This module covers: – Power System Structure – Power Distribution Interface Module (PDIM) – Power Panel – Electrical Fault Protection System (EFPS) – MSCT Power Panel – LCM Power Panel – MDT/XPT Power Panel – DC DeltaV Power Panel – XTRA-A Power Panel – Troubleshooting
  3. 3. August 2011 Power Structure The eWAFE power system consists of the PDIM (Power Distribution Interface Module), the UPM (Universal Power Module), and the Front End Power Panel.
  4. 4. August 2011 Power Structure – FEPC The Front-end Primary Controller software (FEPC) manages the power delivery of the eWAFE. The FEPC power panel functions include: – Controls voltage applied to the power paths – Shows measured current and surface and downhole voltages – Allows viewing and clearing EFPS fault conditions – Allows power shutdown – Provides basic telemetry indicators: • Telemetry up/down • Telemetry CRC
  5. 5. August 2011 Power Structure – PDIM The PDIM primarily manages interconnects between the Universal Power Modules Drawer (UPDM) and the logging cable. PDIM features include: – Head voltage stabilization for DC power – Electrical Fault Protection System – Laterolog Current Module (LCM) to provide 35 Hz power for Laterolog tools – SP and CCL measurements – Supports Manual Close operations – Cable Trim
  6. 6. August 2011 Power Structure – UPM • UPM can provide up to 1100 Vrms, 1.64 Arms AC power. – The programmable frequency range for this power is between 30 to 120 Hz. – The phase is also programmable. • It can provide up to 2200 V phase to phase (+/- 1100 V to ground), 1.64 ADC power. • It can provide up to 500 Vrms, 3.28 Arms Ultra Low Frequency (UELF) power. – The programmable frequency range for this power is between 0.2 to 10 Hz.
  7. 7. August 2011 PDIM Front Panel Status Lights • Power LED indicates whether the module is ON/OFF and is lit when the module has power. • Fault LED indicates a problem with the module and becomes red when the module fails one or more diagnostic power-up tests. If Safe Mode is bypassed to Running Mode, the LED becomes yellow. • Active PDIM LED shows that the module is in an active operating mode as opposed to a backup mode. • Net LED blinks continuously to indicate that the module is connected and communicating with the network.
  8. 8. August 2011 PDIM Hardware Reset • The front panel provides access to hardware reset through the Reset hole. A reset is triggered by inserting a paper clip or other similar pin into the Reset hole. • It is also possible to use software reboot from the PDIM web page.
  9. 9. August 2011 Manual Close Switches • PMS, Power Mode Switch, is used in manual close operation to select Standard or DTPS mode of operation. • PCS, Power Control Switch, is used in manual close operation to confirm operation and increase/decrease AC AUX voltage for manual close mode.
  10. 10. August 2011 PDIM Front Panel Display The PDIM features a front panel display which displays messages relating to the status of the module. Some of the displayed messages are: – SAFE MODE – module is in safe mode due to some power up tests failing. – RUNNING – module is in RUN mode and is ready for use. – RUNNING Temp=32dC PWR ON – module is delivering power with at least one voltage above 20 V. – NO PC COMM, USE PMS FOR MANUAL CLOSE – Emulator is not open or physical communication to the MCMP has been lost. Manual Close can be performed at this time. – PC ONLINE PMS OFF TO EXIT – PC is connected but PMS (Power Mode Switch) is not in the OFF position. User intervention is required. There are additional messages that are reported during self tests and manual close. The purpose of these messages is to provide the user with information and/or to prompt user’s intervention.
  11. 11. August 2011 PDIM Measurements Web Page The PDIM Measurements web page provides the values of the various voltage and current measurements made by the PDIM. These include the different UPM hardware configuration voltages and currents, the wire voltages and currents, on board supply voltages (+/-12V, 5V, 3.3/1.5V), etc.
  12. 12. August 2011 PDIM Measurements (1) The PDIM Measurements page is NOT updated in real-time. Click the Refresh button to get the latest measurements.
  13. 13. August 2011 PDIM Measurements (2) Click on the video below for a demonstration.
  14. 14. August 2011 PDIM Power Up (1) Before powering up the PDIM, ensure that the CSS is in the instrumentation position. • If the CSS is in any other position, then while performing the self tests, the PDIM will wait for 3 minutes for the user to put the CSS in the correct position. • If CSS is not present, please plug the ‘eWAFE shop position adaptor’ (P/N: 100729114) on J3 connector before power up. • During these three minutes, the PDIM front panel display shows the following message: Also, the Status web page will display a message every 20 seconds giving the time left to change to a legal position, e.g., ‘CSS in bad position – Timeout in 180 sec’.
  15. 15. August 2011 PDIM Power Up (2) p • On power up, all the front panel LEDs are initially lit. Then the RED front-panel LED begins blinking. This indicates that the power up self-tests are running. This LED will continue blinking while the power up self-test are running.
  16. 16. August 2011 PDIM Power Up (3) p • If all the self tests are successful, then the module will go in the Running mode and the Fault LED will go off. Also, the display will show the relevant message. • If any of the self tests fail, then the module will go in the “Safe Mode” and the Fault LED will stay red. If the user bypasses Safe mode from the PDIM web pages, the Fault LED will turn yellow. • The only valid CSS switch positions for powering up a tool string are: Hepta Main & Mono
  17. 17. August 2011 Manual Close Operation PDIM supports manual close protocol with a UPM and interaction with front panel interface (display and push buttons). This mode of operation is used to close calipers and pull out of hole (POOH) in case of system failure with a tool stuck in the hole with open calipers. The UPM has to be installed in slot #2 to enable AC Aux for manual close for calipers.
  18. 18. August 2011 Manual Close Operation Sequence 1. When there is no communication with the WAFE Emulator, the following message displays on the front panel: NO PC COMM, PICK PWR MODE FOR MAN CLOSE. 2. Select the Power mode (STD or DTPS) using the Power Mode Switch (PMS) to start the manual close process. (DTPS mode is selected when DTPC is in the tool string.) Follow the instructions of the displayed messages: • SET PMS OFF FOR MAN CLOSE • CONFIRM PWR MODE FOR MAN CLOSE • HOLD PCS DOWN TO BEGIN MAN CLOSE • PCS CONTROLS PWR Below this message, the measured current, applied voltage, and measured voltage display. 3. Press the Power Control Switch (PCS) UP or DOWN to increase or decrease the applied voltage and to get the desired current.
  19. 19. August 2011 Power Panel The Power Panel displays automatically when OP/MaxWell request power indicating that power is enabled; however, no power is applied. This is equivalent to WAFE when the WFDD prompts the user to hold the function key and turn the variac. On eWAFE, user has to hold down the ‘Shift’ key and drag the slider up for power up. If more than one type of power is requested, each panel will be stacked to the right of the main panel. Each type of power has its own control and display. The type of power requested is determined by the OP/MaxWell tool software and is shown in the top-left corner of the panel.
  20. 20. August 2011 Power Panel – eWAFE Link When the Power Panel is displayed, the eWAFE Link LED is always solid blue to indicate that there is connection with the eWAFE Emulator (OP) or eWAFE Server (MaxWell).
  21. 21. August 2011 Power Panel – Telemetry CRC The Telemetry CRC LED blinks when there is excessive noise on the telemetry link. (UL link CRC)
  22. 22. August 2011 Power Panel – Emergency Shutdown To perform an emergency shutdown, click the EMERGENCY SHUTDOWN button to immediately stops sending power to the downhole tools. This button provides an option to quickly stop the power without having to use the slider in case of a safety concern.
  23. 23. August 2011 Power Panel – Trend Graph Clicking on the black bar expands the power panel to show a trend graph as shown.
  24. 24. August 2011 Power Panel – Power Paths The look and feel of most power paths, such as AC Main and AC Aux is similar with minor differences. For AC Main, there are three bars next to the graph: surface voltage, downhole voltage, and current.
  25. 25. August 2011 Power Panel – AC Aux Power Path For AC Aux, there are two bars next to the graph: surface voltage and current. This setting is typical for most power paths.
  26. 26. August 2011 Power Panel – Emex Power Path The voltage and current controls on Emex are disabled, indicating that Emex is controlled by the tool software and cannot be changed manually.
  27. 27. August 2011 Power Panel – Surface Voltage The surface voltage bar has a slider to control the voltage that will be sent from eWAFE to the tools.
  28. 28. August 2011 Power Panel – Power Up Powering up with the eWAFE Power Panel is a two-hand operation. Hold the Shift key on the keyboard while dragging the slider with the mouse. Click on the picture for a video demonstration.
  29. 29. August 2011 Power Panel - Power Up Indicators • The head voltage is shown on the D-hole voltage bar in gray color, indicating estimated downhole head voltage based on cable trim. This is also shown as light blue color curve in the trend graph. • Telemetry is trying to establish communication, as indicated by the Telemetry Up LED blinking in yellow. Once the tool string is powered up successfully and the telemetry link is established, the Telemetry Up LED will turn solid blue. • The downhole voltage bar will also turn blue indicating downhole voltage is coming from telemetry instead of estimation. The corresponding downhole voltage curve in the trend graph will also turn to a darker blue Click on the video for a demonstration.
  30. 30. August 2011 Power Panel – Current Bar The current bar always shows current readback from the eWAFE system (UPM to be specific). There is no current readback from the telemetry cartridge.
  31. 31. August 2011 Power Panel – Change Display Scale There are two methods to change the display scale: 1. The first method is to right-click on each bar graph to display a drop-down menu listing available scales.
  32. 32. August 2011 Power Panel – Change Display Scale The second method to change the scale for all the displays at the same time is by clicking the Preferences check box. The Preferences panel shows three options to set the scales: Low Limits, Medium Limits, and High Limits. Deselect the Preferences check box to close the Preference pane.
  33. 33. August 2011 Power Panel - Incremental Voltage Changes In order to make incremental changes to the voltage, click the - or + button while holding the Shift key to decrease or increase the voltage.
  34. 34. August 2011 The sticky yellow marker placed behind the voltage slider marks the last power up voltage for telemetry cartridge. The marker is set when telemetry link is established. The next time the tool is powered up, slide the slider to the yellow marker. The marker is reset every time a telemetry link is established and every time Emulator/eWAFE Server is restarted. Power Panel – Yellow Sticky Marker
  35. 35. August 2011 • There are two flag markers in the voltage bar: – a yellow flag marks the Warning limit – red flag marks the Shutdown limit • The Shutdown limit shuts down the power once the limit has been exceeded. • The ability to set Warning and Shutdown limits is controlled by OP/MaxWell and is not available for all tools and power types. • In case there is no setting provided by the OP/Maxwell tools, eWAFE uses a set of defaults which is normally listed at the beginning of the eWAFE debug log file. • When available, limits are set manually by holding the Shift key and dragging the marker with the mouse or double clicking on the voltage bar to display the eWAFE – Update Parameter dialog box. • Shutdown limits are always set higher or equal to the Warning limits. Power Panel – Flag Markers
  36. 36. August 2011 • To change the current limit, double-click the Current scale in the AC Aux power type area to display the eWAFE - Update Parameter dialog box. • Change the Shutdown Alarm and Warning Alarm as shown previously. The Current Limit prevents the current from going beyond the specified value. This is only applicable for tools that operate in current limiting mode such as Perfo. The current limit marker will be displayed for power paths that can be applied in current limiting mode. Power Panel – Flag Markers (2)
  37. 37. August 2011 Power Panel – Minimize • To conserve screen space, the Power Panel can be minimized by clicking the up arrow button, which collapses the Power Panel to a small display of the Downhole Voltage and Current. • The Power Panel window floats on top of other windows to ensure that it is visible at all times. Collapsed Power Panel To expand again, click the down arrow.
  38. 38. August 2011 Electrical Fault Protection System • The EFPS Manager is an interface to manage eWAFE's Electrical Fault Protection System (EFPS) . • When EFPS trips, the EFPS Tripped LED will turn red and the EFPS Manager displays automatically.
  39. 39. August 2011 EFPS – General Electric Fault Protection
  40. 40. August 2011 EFPS – General Electric Fault Protection
  41. 41. August 2011 EFPS – General Electric Fault Protection Note: The electromagnet being tested is at the back of PDIM as shown here. It prevents the PDIM from being accidentally removed when power is activated.
  42. 42. August 2011 EFPS – Power Path Electric Fault Protection
  43. 43. August 2011 EFPS – Power Path Electric Fault Protection
  44. 44. August 2011 EFPS – Power Path Electric Fault Protection
  45. 45. August 2011 EFPS – Power Path Electric Fault Protection
  46. 46. August 2011 EFPS – Power Path Electric Fault Protection
  47. 47. August 2011 EFPS – Power Path Electric Fault Protection
  48. 48. August 2011 EFPS – Power Path Electric Fault Protection DC MAIN Special Over Current Fault
  49. 49. August 2011 EFPS – Power Path Electric Fault Protection
  50. 50. August 2011 EFPS – Power Path Electric Fault Protection
  51. 51. August 2011 EFPS – Power Path Electric Fault Protection
  52. 52. August 2011 EFPS – Power Path Electric Fault Protection
  53. 53. August 2011 EFPS – Power Path Electric Fault Protection
  54. 54. August 2011 MSCT Power Panel (1) • Three different types of MSCT power are controlled through a specialized power panel. They are MSCT Cartridge, MSCT Hydraulic, and MSCT Coring. • At the bottom of each MSCT power path, there is a set of buttons that allows setting the voltages quickly without dragging the slider.
  55. 55. August 2011 MSCT Power Panel (2) • The red arrow markers on the Voltage bar graphs mark the preset voltage, which is by default set by OP/MaxWell. The preset voltages can be set manually by dragging the marker while holding the Shift key. • The Mark button located at the bottom of the panel is used to set the preset voltage to the current position of the slider. • To set the voltage as marked by the red arrow, click the Goto button. Voltage is set next to red marker Click Goto
  56. 56. August 2011 MSCT Power Panel (3) • Another feature available in the MSCT power panel is the ability to quickly zero the voltage by clicking the Zero button. Voltage is now zero Click Zero
  57. 57. August 2011 MSCT Power Panel (4) The MSCT Coring power panel has an additional check box labeled Pulse. When checked, small current variation indicator (represented by red vertical bars) is added on top of the current curve in the graph panel to emphasize the pulse measure as shown next. Click the Pulse check box and apply voltage. Click on the picture below for a video demonstration.
  58. 58. August 2011 LCM Power Panel The LCM 35 Hz Current LED is lit to indicate that 35 Hz current is generated.
  59. 59. August 2011 MDT/XPT Power Panel MDT/XPT uses Sonde Power which is similar to AC Aux except it also provides an EFPS Enabled checkbox to allow the user to bypass EFPS if needed.
  60. 60. August 2011 • Some tools such as PGGT operate in current limiting mode. • DC DeltaV display is a calculated value. The value displayed is the difference between the actual DC supply output and the value that would be set by eWAFE if the supply was not operating in current limit mode. DC DELTAV Power Panel Increase voltage DC DeltaV display Once the current limit has been reached, the voltage cannot be increased.
  61. 61. August 2011 Some tools have special handling of the eWAFE power panel: For example, XTRA-A has an automatic task to switch tool relays during OP's Tool Power Up task. – After starting tool power up, XTRA-A software enables the DC Main power panel. – Voltage is then applied by dragging the slider while holding the Shift key. – Once voltage exceeds a threshold (e.g., 40V), OP takes over the power control by regulating the voltages to generate electrical signal to the tool to switch relays. – Once completed, OP releases the control of the Power Panel. XTRA-A Power Panel Increase voltage After reaching beyond the 40V threshold, OP software takes over power control.
  62. 62. August 2011 Troubleshooting
  63. 63. August 2011 Troubleshooting
  64. 64. August 2011 Troubleshooting • UPM not able to deliver required voltage 1. Run the SUIT test. 2. If SUIT test fails (due to voltages not within threshold), then conclude that the UPM is faulty. • PDIM reboot 1. In some instances, the PDIM reboots due to faulty UPM that generates high voltage spikes. 2. Run the SUIT test to check for this failure and identify the faulty UPM.
  65. 65. August 2011 Troubleshooting
  66. 66. August 2011 Troubleshooting

Notas do Editor

  • PowerTBT_PowerUpTwoHandOperation.swf
  • PowerTBT_MSCT_Pulse.swf