Static structures (e.g. – buildings) – With transporting feature
Patent
1979-10-26
1982-04-13
Purser, Ernest R.
Static structures (e.g., buildings)
With transporting feature
52741, 105 32, 105157R, 166 79, 280 4324, 173 23, E21B 702, E04B 134, E04N 112
Patent
active
043240771
ABSTRACT:
A line of detachably connected skid frames is laid down at a first drilling position for supporting an oil well drilling rig having a base seated on the frames with some of them extending away from opposite ends of the base. After the well has been completed, the rig is skidded along the line of frames to one or more nearby drilling locations, but for movement to a more distant drilling location, some of the skid frames then are temporarily attached to the bottom of the base and disconnected from the rest of the frames. Then wheels are attached to the opposite ends of the base, which is raised along with the attached skid frames relative to the wheels to lift the rig. After towing the wheel-supported rig over the ground to a new drilling location, it is lowered until the skid frames attached to it rest on the ground again.
REFERENCES:
patent: 1503992 (1924-08-01), Moore
patent: 2420803 (1947-05-01), Tobin
patent: 2817495 (1957-12-01), Pearl
patent: 3754361 (1973-08-01), Branham et al.
patent: 3884494 (1975-05-01), Ashby et al.
patent: 4199298 (1980-04-01), Webre et al.
Lee C. Moore Corporation
Purser Ernest R.
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