Weatherford's Dry-Mate Optical Connector

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Overview of the Dry-Mate Optical Connector

Weatherford's dry-mate optical connector delivers reliable, low-loss optical connection with the optical permanence required for high-performance measurement systems, including optical pressure-temperature (P/T) gauges, optical in-well flowmeters, distributed-temperature-sensing (DTS) systems, and in-well seismic systems. The optical connector operates reliably in high-temperature/high-pressure (HTHP) applications, providing unique operating capabilities and performance margin for high-value wells.

Dry-Mate Optical ConnectorDry-Mate Optical Connector

Downhole Optical Cable Features, Advantages, and Benefits

  • Non-electrical design is intrinsically safe and has minimal effect on completion design and installation.
  • Designed to integrate with Weatherford downhole optical cables, the connector can be mated on the rig floor, minimizing rig time.
  • Primary seal is metal-to-metal to eliminate leaks, enhancing system integrity and reliability.
  • Low optical loss and optical back reflection enhance optical system performance and optimize management of optical budget.
  • Connector consists of three pins, which support three optical fibers, and is designed to support any combination of single-mode and multimode optical fibers for added versatility.
  • Connector complies with industry standards for instrumentation connectors.

Dry-Mate Optical ConnectorDry-Mate Optical Connector

Specifications of the Downhole Optical Cable

Operational Performance

Optical channels

3

Insertion loss (single mode)

0.30dB (typical), 0.50dB (maximum)

Insertion loss (multimode)

 

Back reflection (single mode)

–50dB (typical), –45dB (maximum)

Back reflection (multimode)

 

Operating pressure

Atmosphere to 15,000 PSI (1,034 bar)

Overpressure

18,500 PSI (1,276 bar)

Operating temperature

32° to 302°F (0° to 150°C)

Maximum temperature

320°F (160°C)

Minimum storage temperature

–58°F (–50°C)

Shock and Vibration Data

Vibration

15 Grms, random 10 to 2,000 Hz (Nav Mat)

Shock

100 g , 10 ms half sine

Drop

500 g , 1 ms half sine

General Data

Primary seal and type

Metal, C-ring

Secondary seal and type

Elastomeric, O-ring



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