Custom Equalizer Springs


Once a newly drilled wellbore starts producing, pressure changes can cause unwanted media to overtake the oil. These breakthroughs increase waste and reduce profit margins, so pressure-regulating inflow control devices are critical for many oilfield environments.

Since ICDs utilize one or more valves to control wellbore flow, their performance hinges upon spring components. Custom Spring Manufacturing specializes in developing high-quality equalizer springs that oilfield manufacturers can leverage to achieve optimal ICD functionality.

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Importance of Springs to ICDs

ICDs, both passive and autonomous, are hardware deployed as part of a well completions package aimed at evenly distributing inflows. By optimizing fluid and gas movement through the wellbore, these tools:

  • Increase Production Rates
  • Reduce Unwanted Water And Gas Production
  • Prevent Sand Production
  • Solve Drawdown Problems
  • Extend Well Lifespans

These devices utilize valves to restrict inflows, thereby adjusting wellbore pressure distribution. The key to valve operation is an equalizer spring, which ensures that optimal pressure is applied.

Improper equalizer spring design may lead to valve bounce, a phenomenon known to cause subpar performance or complete failure of a valve. This can result in imbalanced well pressure and hurt oil production.

That’s why ICD and AICD manufacturers should get equalizer springs from Custom Spring Manufacturing. We’ve years of experience designing springs that excel in extreme downhole conditions.

How Do Equalizer Springs Work?

Equalizer springs support ICD operation by determining a system’s fundamental fluid flow properties. They’re engineered to maintain uniform inflow to the fluid collection system, regardless of the fluid’s viscosity.

By adjusting equalizer spring tension, an ICD can regulate flow rates. This makes sure the collection process is both consistent and controlled.

Your Custom Equalizer Springs Partner

Custom Spring Manufacturing is an ISO 9001:2015-certified custom spring product provider. We have the knowledge, equipment, and processes to meet your equalizer spring needs, helping you gain a competitive advantage.

We can manufacture equalizer springs with specific shapes, tensions, and geometries to help you achieve superior performance. When turning to us for custom springs, our team is with you at all times. From design conceptualization and prototyping to production and delivery, we have you covered.

  • Regulatory Expertise
  • ISO 9001:2015-Certified Quality Management System
  • CAD-Assisted Product Design, Drawing, And Modeling
  • Extensive Experience With Oilfield Specifications And Requirements
  • In-House Prototyping

Full-Service Custom Spring Manufacturer

When it comes to ICDs and AICDs, standard springs likely won’t cut it. We offer many value-added services designed to provide needed products, in the conditions you desire, on time and at affordable prices.

Capabilities we offer include:

A component imperfection can trigger unplanned downtime or catastrophic failure at the rig site. Our team can handle many secondary processes upon request.

  • Non-Destructive Examination, or NDE
  • Shot-Peening
  • Coating and Plating

The Spring Materials Experts

At Custom Spring Manufacturing, we can manufacture inflow control device ICD springs from just about any material you need. Here are some examples:

  • Music Wire
  • 302 Stainless Steel
  • 316 Stainless Steel
  • 17-7 PH Stainless Steel
  • Alloy MP35N
  • Hastelloy C-276
  • Inconel 600
  • Inconel X-750
  • Monel 400
  • Monel 500K
  • Beryllium Copper
  • Beta C
  • Titanium 6-4
  • Elgiloy
  • Phosphor Bronze
  • Oil-Tempered Spring Wire, Or OTMB
  • Oil-Tempered Chrome Silicon

Helping You Power Society

For quality equalizer springs, turn to Custom Spring Manufacturing. Regardless of your requirements, we can deliver finished springs wherever and whenever needed.

Contact us to learn more about our equalizer spring manufacturing capabilities. We’re available to answer your questions.


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