Inspección de wire wrap screens: cada slot, cada filtro.
Wire wrap screens — also known as direct wrap — are the workhorse of sand control completions. Their downhole performance depends on one number: slot consistency. CTRL+ optical metrology measures every single slot, on every single screen, against ISO 17824 and API 19SS.
Why slot consistency drives sand control screen reliability
A wire wrap screen is a stack of identical slots, hundreds of microns wide, holding back formation sand for years under pressure cycling, abrasion and erosion. A single drifted slot — too wide, too narrow, or with edge damage — becomes a sand path. The well loses production, the operator pays for workover, and rework subsea is rarely possible.
Traditional QC samples 1 slot in 100 with a manual feeler gauge. CTRL+ optical metrology measures 100 % of the slots on every screen, before the screen leaves the manufacturing line or enters the operator's yard.
How CTRL+ inspects wire wrap screens
- 1
Screen loading
Wire wrap screen received line-side at manufacturing or at operator yard. Instrument auto-detects joint length, slot density and base pipe geometry.
- 2
Optical scan
Full-length 360° optical scan with most+ or bost+. Every slot captured at 5-15 µm resolution depending on aperture range. No contact, no operator-induced drift.
- 3
Per-slot analysis
Slot width, drift across the joint, edge defects and obstructions automatically flagged. Statistical distribution (D50, D90, σ) computed against the screen spec.
- 4
Certificate generation
ISO 17824 / API 19SS conformity PDF + machine-readable CSV exported per joint and per batch. Operators integrate the CSV into their QC file.
Wire wrap variants we inspect
Standards covered
Petroleum and natural gas industries — Downhole equipment — Sand screens. International reference for the design and acceptance of wire wrap, direct wrap and wedge wire filter screens.
American Petroleum Institute — Sand control screens. US / global equivalent of ISO 17824, covering wire wrap and wedge wire screen acceptance criteria.
Common questions about wire wrap screen inspection
Does optical metrology measure slot drift along a wire wrap screen?
Yes. Each slot is captured individually along the full joint length, then analyzed for axial drift. Drift trends invisible to manual feeler gauges are flagged automatically.
How long does a wire wrap screen inspection take per joint?
Typically 2-5 minutes for a 6-12 m joint, depending on slot density. A full 60 m horizontal completion can be inspected in under an hour.
Can the same instrument inspect direct wrap and wedge wire filter screens?
Yes. most+ and bost+ cover wire wrap, direct wrap, wedge wire filter screen, prepack and slotted liner geometries through reconfigurable optical heads.
Discuss your wire wrap QC project
Manufacturer line-side integration or operator incoming audit — same instrument, same certificate.
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