Tubing Encased (TEC) High-Pressure Cable

Tubing Encased Cable (TEC)
Product description

Prysmian Downhole Technology's Tubing Encased High-Pressure Cable (TEC) is designed and manufactured to withstand the varying harsh environments associated with the oil and gas industry. The cable can be utilized for data transmission, such as downhole gauge applications, through to larger cores that require power, or a combination of both.

 

Construction 

  • Temperature ranges up to 260°C
  • Outer tube is tig-welded and drawn through a die to the final size
  • Centralized conductor
  • Application Specific
  • Double Extruded Filler
  • Optional Bumper Bars 
  • Custom Line Marking
  • Safety-Strip® Encapsulation
  • Continuous Length up to 100,000 ft

Outer Tube Materials

  • 316L Stainless Steel (UNS 31603)
  • A825 Alloy (UNS N08825)

Outer Tube Sizes: 1/8" to 3/8"

Double Extruded Centralized Core

  • Size: 4 AWG - 28 AWG
  • Type: Solid or Stranded Copper Conductor
  • Plating (if required): Tin, Nickel, or Silver plating

Encapsulation

  • PP (Polypropylene) / TPR (Santoprene) / PA (Nylon) / PVDF / ETFE (Tefzel) /ECTFE (Halar) / FEP / PFA / ECA 3000
  • Round or Square profile

Pressure Rating

  • 1/8" up to 40Kpsi
  • 1/4" up to 30Kpsi
  • 3/8" up to 25Kpsi

 

Application

The selection of materials for the insulation and secondary extrusion, as well as the outer tube material and wall thickness, enables the high-pressure TEC to operate at higher pressures than the standard TEC.

 

Standards and Approvals

Advanced Well Equipment Standard Group AWES Recommended Practice for Qualification of Tubing Encapsulated Conductor AWESTEC_01

 

Quality and Testing

Manufactured in accordance with standard Inspection and Quality Plans. Downhole cables are manufactured according to applicable ASTM standards for each specific material:

  • Alloy 825: ASTM B704 and B751
  • Stainless Steel 316L: ASTM A450 and A632 

The pressure ratings of TEC are based on the collapse pressure of the ¼” tube, not burst pressures normally associated with capillary tubes. The collapse (yield) pressure is calculated using API Bulletin 5C3 Formula # 1 - Yield Strength Collapse Pressure Formula.

Product datasheet