Ezi-Shear Seal Valve and Ezi-Shear Seal Valve HD

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Leading Well Intervention Surface Shear Seal Capabilities

Page last modified
June 17 2024

Introduction

Hunting revolutionized well intervention operations with the original shear and seal valve and now offers the heavy duty valve to compliment the product family, offering an expanded range delivering safety, reliability and well integrity for Slickline, Braided Line, E-Line or Coiled Tubing operations.

Features

  • Wide range of cutting capabilities
  • Independent shearing and seal faces
  • Compact Design, smaller than traditional shear and seal valves
  • Dual rotational hydraulic actuators
  • Monoblock body
  • Highly resistant to wear

The Technology

The technology provides a compact, reliable and quick mechanism for shearing Slickline, Braided Line, E-Line and Coiled Tubing then fully closing to establish isolation or sealing of the well bore. Low volume hydraulic actuators allow rapid closure with standard accumulator type control units. Intended for installation on or as close to the wellhead as possible. Ezi-Shear Seal products can be operated using existing or remote hydraulic control units.

The Design

The Ezi-Shear Seal compact design, in many cases, allows deployment through a standard offshore intervention hatch cover, negating the need to remove main hatch covers, reducing heavy lifts and potential shutting in of adjacent producing wells. Its compact nature does not compromise its cutting capabilities and addresses the increasingly stringent industry requirements on shear and seal capabilities during well intervention operations.

The Innovation

Hunting’s Ezi-Shear Seal leads the way in innovation for well intervention shear seal applications. With independent shearing and sealing faces, the Ezi-Shear Seal outperforms the capabilities of any other shear and seal valve currently on the market. Hunting’s unique Ezi-Shear Seal provides a superior cutting and seal capability for standard, offshore or high pressure applications where an additional level of pressure barrier contingency is required.

 

 

Pros & Limitations
1
Cuts slickline, braided and E-Line (ESSV)
1
Cuts slickline, braided, E-Line and Coiled Tubing (ESSV-HD)
1
Improved safety and reliability
1
Reduced leak paths
1
Reduced redress frequency
0
Must be inspected and properly cleaned after each rig down. Failure to do so can cause the cam blocks to jam or result in failed pressure test next rig up
Specification
Specification Title Specification Description
Working Pressures
Up to 15000 psi
Connections
Quick Union, API Flange and Customer Spec on request
Valve Configuration
Single

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Technology Readiness Level

The Technology Readiness Level (TRL) indicates the maturity level of novel technologies. Learn more about the TRL scale used by us.

[9/9]

Development Technology demonstration Mature / Proven
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We specialise in the global manufacture, trade and rental of high quality upstream equipment for the wellbore.

Change is our travelling companion; we have demonstrated endless resilience and willingness to embrace new industrial and societal contexts. Entrepreneurial spirit has been ever present during our history, from the founding by Charles Samuel Hunting right through to today, where we are continually driving new possibilities for oil and gas extraction.

Relative Business Impact