Oilfield thread makeup and breakout verification system and...

Details Oilfield thread makeup and breakout verification system and... Oilfield thread makeup and breakout verification system and...

2007-01-16

2007-01-16

Gutierrez, Diego (Department: 2859)

Thermal measuring and testing

Leak or flaw detection

C374S121000

Reexamination Certificate

active

11257338

ABSTRACT:
The thread engagement verifier system provides for verifying the quality of a threaded connection12between upper and lower for tubular member16, 18. One or more thermal radiation sensors14are used in combination with a data acquisition and processing computer20and an output device, such as a video display12.The thermal radiation is generated by sliding friction between the tubular members, and the sensors14sense radiation at a plurality of external locations and output heat intensity signals to the computer20. Torque may also be sensed via a sensor32and input to the computer20.

REFERENCES:
patent: 4573359 (1986-03-01), Carstensen
patent: 4791816 (1988-12-01), Grare et al.
patent: 4957002 (1990-09-01), Coyle, Jr. et al.
patent: 5042164 (1991-08-01), Eppinger
patent: 57108751 (1982-07-01), None
patent: 01216237 (1989-08-01), None

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