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Lancia centrale cablata

The wireline center spear is used to fish the steel wire broken in the oil pipe, which is a common fishing tool.
Stato di disponibilità:
  • 1,875 pollici 2 pollici 2,5 pollici
  • Ruixin
  • Lancia centrale cablata
  • Lega di acciaio e lega di nichel
  • Cina Baoji
  • Operazione Wireline e Operazione Slickline
  • Standard

Wireline Center Spear Manufacturer - Ruixin

The wireline center spear is used to fish the steel wire broken in the oil pipe, which is a common fishing tool.

Wireline Center Spear Overview

The wireline center spear is used during fishing operations primarily to retrieve tightly compacted, parted slickline or braided cable to surface.

Wireline Center Spear Technical parameters

Size

Fishing neck

Connection

1.875"

 1.75"

1-1/16"-10UN

2"

 1.75"

1-1/16"-10UN

2.5"

2.313"

1-1/16"-10UN

Wireline Center Spear Feature

There are many sizes and models of steel wire external center spears, and different internal center spears can be selected according to different tubing sizes.

The wireline center spear is generally used when a traditional wire grab has been unsuccessful. The barbs, positioned around a centre mandrel allow for a more efficient penetration into a tight ball of wire, compared to the pronged arm style of a wire grab. As the Centre Spear is effectively non-releasable, it is generally run with a disconnect arrangement directly above it to provide a release feature if the parted wire cannot be retrieved back to surface.

Wireline Center Spear matters needing attention

Before using the outer Center Spear, the wire finder must first be lowered to form the wire nest in the well to facilitate the smooth fishing of the inner spear.

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