Support apparatus for supporting down hole rotary tools
First Claim
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1. A portable mast assembly comprising:
- (a) a horizontally oriented frame having at least two support beams;
(b) a mast assembly having at least two mast beams, each of said at least two mast beams supporting a vertically extending column, each of said at least two mast beams positioned upon and supported by one of said at least two support beams of said horizontally oriented frame;
(c) said at least two mast beams being movable along said at least two support beams of said horizontally oriented frame; and
(d) a cross member that connects one of the vertically extending columns to another one of the vertically extending columns, the cross member having a generally U-shaped opening as viewed from above.
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Abstract
A portable mast assembly is comprised of a skid assembly having a horizontally oriented frame comprised of longitudinally extending support beams and a mast assembly having at least two vertically extending columns that are supported directly upon a longitudinally extending mast beam without an intervening track or roller. A means for moving the mast beams along the top of the extending support beams of the frame without a roller is provided.
31 Citations
20 Claims
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1. A portable mast assembly comprising:
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(a) a horizontally oriented frame having at least two support beams; (b) a mast assembly having at least two mast beams, each of said at least two mast beams supporting a vertically extending column, each of said at least two mast beams positioned upon and supported by one of said at least two support beams of said horizontally oriented frame; (c) said at least two mast beams being movable along said at least two support beams of said horizontally oriented frame; and (d) a cross member that connects one of the vertically extending columns to another one of the vertically extending columns, the cross member having a generally U-shaped opening as viewed from above. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A portable mast assembly comprising:
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(a) a horizontally oriented frame having at least two support beams; (b) at least two mast beams, each of said at least two mast beams being positioned upon and supported by one of said at least two support beams of said horizontally oriented frame; (c) a vertically extendable and retractable column supported upon each of said at least two mast beams; (d) at least one horizontally oriented actuator having an extendible and retractable rod whereby extension and retraction of said rod will move said at least two mast beams along said at least two support beams; and (e) at least two vertically oriented actuators, each of said at least two vertically oriented actuators having an extendible and retractable rod whereby extension and retraction of said extendible and retractable rod extends and retracts said vertically extendable and retractable columns; and (f) a cross member that connects one of the vertically extendable and retractable columns to another one of the vertically extendable and retractable columns, the cross member having a generally U-shaped opening as viewed from above. - View Dependent Claims (14, 15, 16, 17)
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18. A portable mast assembly comprising:
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(a) a horizontally oriented frame having support beams; (b) a mast assembly having at least two vertically extendable and retractable columns, each of said at least two vertically extendable and retractable columns supported on a corresponding mast beam, each said mast beam positioned upon and supported by one of said support beams of said horizontally oriented frame; and (c) at least one horizontally oriented actuator having an extendible and retractable rod, whereby extension and retraction of said rod of said horizontally oriented actuator will slide said mast beams of said mast assembly along said support beams of said horizontally oriented frame; and (d) a cross member that connects one of the at least two vertically extendable and retractable columns to another one of the at least two vertically extendable and retractable columns, the cross member having a generally U-shaped opening as viewed from above. - View Dependent Claims (19, 20)
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Specification