Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Patent
1999-02-08
2000-05-23
Schoeppel, Roger
Wells
Processes
Perforating, weakening, bending or separating pipe at an...
166 772, 1662422, 1662426, 166300, 166380, 166384, 29 33D, 138125, 138137, E21B 2900
Patent
active
060655402
ABSTRACT:
Products and methods relating to composite materials and their use in coiled tubing is disclosed. The composite tubing is a pressurized means of conveying fluids downhole in a wellbore. It includes a multilayered laminate that resists buckling within the wellbore and is fabricated into a hollow tube. The fibers are oriented in angular relationship to the longitudinal direction of the coiled tubing such as to provide appropriate strength and buckling characteristics to the coiled tubing. Further, the coiled tubing layered laminate may transmit signals representing data from downhole to the surface. In some embodiments, a composite disconnecting device which includes a blend of fibers of different types or orientations is shown. The disconnecting device shows a failure load range corresponding to the failure characteristics of the fiber blend, the fiber blend having a predetermined failure limit.
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Sorem Robert
Thomeer Bart
Nava Robin
Schlumberger Technology Corporation
Schoeppel Roger
Waggett Gordon
Y'Barbo Douglas
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