In oil and gas well completions, springs are unsung heroes. They are safety-critical mechanical components tasked with storing and releasing energy under some of the most punishing conditions on Earth.
Whether they are used to shut off a well in an emergency, set a packer, or actuate downhole valves, these springs must operate flawlessly after sitting idle for years in corrosive, high-pressure environments.
Siplee spring specializing in the production of Inconel springs and has a large inventory. We can supply with short lead times.
SIPLEE® offers more solutions for you.
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Inconel X-750 / NO7750 / 2.4669 / GH4145 |
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Suggested Operating Conditions： -200 to +704℃ (-330 to +1300 ℉) |
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Ni + Co |
Cr |
Fe |
Ti |
Al |
Nb + Ta |
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≥70% |
14 - 17% |
5 - 9% |
2.25 - 2.75% |
0.4 - 1.0% |
0.7 - 1.2% |
Downhole Packers and Anchors
Packers isolate different zones of the wellbore to control fluid flow.
The Spring's Role: Many retrievable packers use internal springs (often wave springs or heavy-duty coil springs) to maintain a continuous load on sealing elements or to retract the mechanical "slips" (teeth) when the packer needs to be unseated and pulled from the well.
Gas Lift and Chemical Injection Valves
These valves regulate the flow of gas or chemicals injected into the production stream.
The Spring's Role: Precision-calibrated springs act as the mechanical resistance against fluid pressure. When the downhole pressure exceeds the pre-set spring rate, the valve opens; when pressure drops, the spring forces it closed to prevent backflow.
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