18054947. SYSTEM AND METHOD TO FREE DIFFERENTIALLY STUCK PIPE simplified abstract (Saudi Arabian Oil Company)

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SYSTEM AND METHOD TO FREE DIFFERENTIALLY STUCK PIPE

Organization Name

Saudi Arabian Oil Company

Inventor(s)

Kyungnam Han of Dhahran (SA)

SYSTEM AND METHOD TO FREE DIFFERENTIALLY STUCK PIPE - A simplified explanation of the abstract

This abstract first appeared for US patent application 18054947 titled 'SYSTEM AND METHOD TO FREE DIFFERENTIALLY STUCK PIPE

Simplified Explanation

The tubing string release apparatus described in the patent application includes a telescoping cylinder with a telescoping base and piston that can be advanced radially outward through an aperture in the tubing string when the pressure within the tubing string reaches certain levels.

  • First mandrel fixed to inner wall of tubing string
  • Second mandrel slidably arranged against first mandrel
  • Telescoping cylinder with base and piston arranged within telescope chamber
  • Telescoping base releasably coupled to tubing string at an aperture
  • Telescoping piston releasably coupled to telescoping base
  • Telescoping base advances radially outward through aperture at first pressure
  • Telescoping piston advances radially outward through base at second pressure greater than first pressure

Potential Applications

This technology could be used in oil and gas well operations for releasing tools or equipment downhole in a controlled manner.

Problems Solved

This technology solves the problem of releasing tools or equipment from a tubing string in a wellbore without the need for intervention from surface equipment.

Benefits

The benefits of this technology include increased efficiency in downhole operations, reduced risk of equipment getting stuck in the wellbore, and improved overall safety.

Potential Commercial Applications

  • "Innovative Tubing String Release Apparatus for Oil and Gas Well Operations"

Possible Prior Art

There may be prior art related to similar downhole release mechanisms used in oil and gas well operations, but specific examples are not provided in the patent application.

Unanswered Questions

How does this technology compare to traditional downhole release mechanisms in terms of reliability and cost-effectiveness?

This article does not provide a direct comparison between this technology and traditional downhole release mechanisms, leaving the reader to wonder about the relative advantages and disadvantages of each.

What are the potential limitations or challenges in implementing this technology in different types of wellbore configurations?

The article does not address any potential limitations or challenges that may arise when implementing this technology in various wellbore configurations, leaving room for further exploration of this topic.


Original Abstract Submitted

A tubing string release apparatus includes a first mandrel configured to be fixed to an inner wall of a tubing string extended within a wellbore, the first mandrel defining a telescope chamber and a first port that facilitates fluid communication into the telescope chamber, a second mandrel slidably arranged against the first mandrel and defining a second port, and a telescoping cylinder arranged within the telescope chamber and including a telescoping base releasably coupled to the tubing string at an aperture defined in the tubing string, and a telescoping piston releasably coupled to the telescoping base. The telescoping base is advanced radially outward through the aperture when a pressure within the tubing string is increased to a first pressure, and the telescoping piston is advanced radially outward through the telescoping base when the pressure within the tubing string is increased to a second pressure greater than the first pressure.

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