Mechanical hot tapping method

Details Mechanical hot tapping method Mechanical hot tapping method

2007-01-09

2007-01-09

Lee, Kevin (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S318000, C408S067000

Reexamination Certificate

active

11044235

ABSTRACT:
A method of mechanically hot tapping petroleum equipment that contains a hydrocarbonaceous fluid in its interior by drilling an aperture in such equipment while employing cooling by cyclic drilling and/or refrigeration, the equipment drilling being carried out in a manner such that the temperature of the drill and material being drilled do not exceed a predetermined target temperature that is derived from the decomposition temperature, auto-ignition temperature, and like characteristics of the fluid present inside the equipment.

REFERENCES:
patent: 6648562 (2003-11-01), Calkins et al.
patent: 6655406 (2003-12-01), Paddock

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