Bumper
Bumper.
Other downhole tools, catalog page 78

Bumper

Absorbs perforating shock below the packer in TCP + DST jobs

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Description

The bumper is mainly used in combined TCP & DST jobs and is connected below the packer. It absorbs the instantaneous impact on the string so that the packer stays set, unaffected by perforating.

Features

  • Long cushioning stroke and reliable use
  • Number of damping holes is selectable to meet different perforating requirements

Specifications

Size, in [mm]3⅞ [98.4]3⅞ [98.4]4 [101.6]5 [127]5 [127]
Working pressure, psi [MPa]10,000 [70]15,000 [105]10,000 [70]10,000 [70]15,000 [105]
No H2S—AvailableAvailable—Available
Full H2S above 175 °FAvailable—AvailableAvailable—
Full H2SAvailable—AvailableAvailable—

Available: tool is ready to supply in this configuration. — : not ready to supply.

More auxiliary tools

Gauge Carrier

Carrier for downhole pressure and temperature gauges, designed to suit the gauge

Gauge Carrier

Carrier for downhole gauges with shock damping

AP Sampler

Full-opening sampler that captures formation fluid downhole

Needle-Type Drain Valve

Recovers the fluid sample trapped between two ball valves at surface