Wells – Processes – Repairing object in well
Patent
1991-05-31
1992-11-10
Melius, Terry Lee
Wells
Processes
Repairing object in well
155297, 155376, 155 55, E21B 3500
Patent
active
051616149
ABSTRACT:
An apparatus for providing access to the casing of a burning oil well near the wellhead includes a sled-like carriage which is moved over the ground surface into a position straddling the well casing. A heat shield carried by the sled shields personnel and equipment thereon from the well fire. An excavator is mounted on the sled behind the heat shield for movement toward and beneath the heat shield to excavate a cavity around the well casing. A platform apparatus on the sled, including a pair of jaws openable to allow receipt of the casing, covers the excavated cavity into which a known well plugging device is moved for attachment to the well production pipe after the outer casing is cut away.
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Marschke Carl R.
Wu Nanping
Marguip, Inc.
Melius Terry Lee
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