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Electronic Gauge

  • E-gauge C/W SHOCK ABSORBER + CENT
  • 2.31" BAKER FB2 TEST TOOL
  • 2.75" B-SELF RELEASING POSITIONING TOOL
  • ROLLER STEM (10')


2. What is GS P/TOOL C/W equalizing PRONG. ?

In slickline operations in the oil field, a **GS Pulling Tool (GS P/TOOL)** with an **equalizing prong** is a specific type of downhole tool used for retrieving (or pulling) downhole devices, such as plugs or locks, from a wellbore. Here's a detailed explanation:

    Components of the GS Pulling Tool:
  1. Core Mandrel:
    • The main body of the tool that provides structural support and houses internal components.
  2. Jars:
    • Integral parts of the tool that generate impact force to assist in engaging or disengaging the tool from the downhole equipment.
  3. Fishneck
    • The part of the downhole equipment (like a plug or lock) that the GS pulling tool latches onto.

Equalizing Prong

An equalizing prong is an attachment used with the GS pulling tool to equalize pressure across a plug or a valve before it is pulled. This is crucial in high-pressure wells to ensure that the pressure differential does not cause sudden and dangerous movements of the equipment being retrieved.

Function of the Equalizing Prong:

  1. Pressure Equalization:
    • The equalizing prong has a mechanism (usually a small valve or port) that allows pressure to equalize across the plug or valve. This ensures that there is no pressure differential when the tool is engaged.
  2. Safety:
    • By equalizing the pressure, the risk of a sudden release of pressure is minimized, enhancing operational safety.

Operation of GS Pulling Tool with Equalizing Prong

  1. Running in Hole (RIH):
    • The GS pulling tool with the equalizing prong is run into the wellbore on a slickline to the depth where the plug or valve is set.
  2. Engaging the Fishneck:
    • The tool is manipulated to latch onto the fishneck of the downhole device (e.g., plug or lock). The equalizing prong ensures that the pressure is equalized before attempting to pull the device.
  3. Jarring Action:
    • If necessary, jarring action is applied to ensure the tool latches securely onto the fishneck.
  4. Pulling the Device:
    • Once the tool is securely latched and the pressure is equalized, the slickline is used to pull the device out of the wellbore
  5. Surface Retrieval:
    • The retrieved device, along with the GS pulling tool, is brought back to the surface.

Applications and Importance

  1. Plug Retrieval:
    • Used to retrieve bridge plugs, temporary plugs, or any other downhole devices that are set in the wellbore for isolation purposes.
  2. Valve Operations:
    • Can be used to pull valves or other flow control devices that may require pressure equalization before removal.
  3. Safety:
    • Essential for operations in high-pressure wells where pressure differentials can pose significant safety risk

Conclusion

The GS pulling tool with an equalizing prong is a critical tool in slickline operations, providing a reliable method for safely retrieving downhole equipment. The equalizing prong ensures that pressure differentials are managed effectively, preventing sudden releases of pressure and enhancing the safety and efficiency of well intervention operations.

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Chapter Test