Closeup of Conventional Coiled Tubing spool

QT-900 Coiled Tubing

In response to customers’ requirements for long-reach, high-pressure coiled tubing, QT-900 achieves a higher fatigue cycle life at higher pressures than all lower-strength-rated coiled tubing materials while performing well in sour service.


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  • Ruler Specifications
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Description

QT-900 achieves a higher fatigue cycle life at higher pressures than all lower-strength-rated coiled tubing materials while performing well in sour service.

For the appropriate sizes, QT-900 can be routinely ordered as a True-Taper™ string; straight-wall, straight-wall flash-free string; or as a string with an electric wireline or capillary tube installed. QT-900 is manufactured from high-strength, low-alloy steel (HSLAS) with alloying additions to provide resistance to atmospheric corrosion. The chemical composition of QT-900 meets the specification requirements of API 5ST CT90.

Specifications

QT-900 Coiled Tubing Mechanical Properties

 

Outside diameter

0.750 to 3.500 in. (19.1 to 88.9 mm)

Wall thickness

0.087 to 0.250 in. (2.2 to 6.35 mm)

Minimum yield strength

90,000 psi (621 MPa)

Minimum tensile strength

98,000 psi (676 MPa)

Maximum hardness

22 HRC 

Resources
  • QT-900 Technical Data Sheet

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