Apparatus and method for supporting structures on offshore platforms
First Claim
1. An apparatus for supporting an injector head on a platform comprising:
- a base frame mounted to the platform, said base frame having a first bracket and a second bracket attached thereto;
a x-axis frame having a first pivot point and a second pivot point, and wherein said first pivot point is pivotly connected to said first bracket and said second pivot point is pivotly connected to said second bracket so that said x-axis frame pivots along an x axis, and wherein said x-axis frame has a third bracket and a fourth bracket;
a z-axis frame having a third pivot point and a fourth pivot point, and wherein said third pivot point is pivotly connected to said third bracket and said fourth pivot point is pivotly connected to said fourth bracket, and wherein said z-axis frame pivots along a z-axis;
a sliding frame assembly operatively positioned within said z-axis frame, and wherein said sliding frame assembly has a plurality of rods and wherein the injector head is operatively connected to said rods and wherein said sliding frame assembly comprises a sliding layer and an adapter frame and wherein said adapter frame is operatively connected with said rods; and
wherein said sliding layer comprises a fabric so that the fabric slides on the surface of said z-axis frame;
a top plate attached to said z-axis frame so that a cavity is formed, and wherein said sliding frame assembly is contained within said cavity.
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Accused Products
Abstract
An apparatus for supporting a structure on a platform. The platform may be a floating platform. The apparatus comprises a base frame, wherein the base frame has a first bracket and a second bracket attached thereto. The apparatus further includes a x-axis frame having a first pivot point and a second pivot point. The apparatus further comprises a z-axis frame having a third pivot point and a fourth pivot point. A sliding frame assembly is operatively positioned within the z-axis frame, and wherein the sliding frame assembly has a plurality of rods for connecting with an injector head. The apparatus may further include a motion restriction system that restricts movement of the x-axis frame and the z-axis frame. The sliding frame assembly comprises a sliding pad for lateral movement. A method for compensating for the movement of a floating platform having a riser extending therefrom is also disclosed.
27 Citations
15 Claims
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1. An apparatus for supporting an injector head on a platform comprising:
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a base frame mounted to the platform, said base frame having a first bracket and a second bracket attached thereto; a x-axis frame having a first pivot point and a second pivot point, and wherein said first pivot point is pivotly connected to said first bracket and said second pivot point is pivotly connected to said second bracket so that said x-axis frame pivots along an x axis, and wherein said x-axis frame has a third bracket and a fourth bracket; a z-axis frame having a third pivot point and a fourth pivot point, and wherein said third pivot point is pivotly connected to said third bracket and said fourth pivot point is pivotly connected to said fourth bracket, and wherein said z-axis frame pivots along a z-axis; a sliding frame assembly operatively positioned within said z-axis frame, and wherein said sliding frame assembly has a plurality of rods and wherein the injector head is operatively connected to said rods and wherein said sliding frame assembly comprises a sliding layer and an adapter frame and wherein said adapter frame is operatively connected with said rods; and
wherein said sliding layer comprises a fabric so that the fabric slides on the surface of said z-axis frame;a top plate attached to said z-axis frame so that a cavity is formed, and wherein said sliding frame assembly is contained within said cavity. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An apparatus for supporting a coiled tubing injector head comprising:
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a base frame mounted to a track stack structure, said base frame having a first bracket and a second bracket attached thereto; a x-axis frame having a first pivot point and a second pivot point, and wherein said first pivot point is pivotly connected to said first bracket and said second pivot point is pivotly connected to said second bracket so that said x-axis frame is pivots along a x-axis, and wherein said x-axis frame has a third bracket and a fourth bracket; a z-axis frame having a third pivot point and a fourth pivot point, and wherein said third pivot point is pivotly connected to said third bracket and said fourth pivot point is pivotly connected to said fourth bracket, and wherein said z-axis frame is pivots along a z-axis; a sliding frame assembly operatively positioned within said z-axis frame, and wherein said sliding frame assembly has a plurality of rods and wherein the injector head is operatively connected to said rods and wherein said sliding frame assembly comprises a fabric so that the fabric slides on a top surface of said z-axis frame; a top plate attached to said z-axis frame so that a cavity is formed, and wherein said sliding frame assembly is contained within said cavity; motion restriction means for restricting the x-axis frame movement along the x-axis and the z-axis frame movement along the z-axis. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. An apparatus for supporting a coiled tubing injector head comprising:
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a base frame mounted to a track stack structure, said base frame having a first bracket and a second bracket attached thereto; a x-axis frame having a first pivot point and a second pivot point, and wherein said first pivot point is pivotly connected to saidfirst bracket and said second pivot point is pivotly connected to said second bracket so that said x-axis frame is movable along a x-axis, and wherein said x-axis frame has a third bracket and a fourth bracket; a z-axis frame having a third pivot point and a fourth pivot point, and wherein said third pivot point is pivotly connected said third bracket and said fourth pivot point is pivotly connected to said fourth bracket, and wherein said z-axis frame is movable along a z-axis; a sliding frame assembly operatively positioned within said z-axis frame, and wherein said sliding frame assembly has a plurality of rods, and wherein said sliding frame assembly comprises a sliding pad and and adapter frame operatively connected with said rods; a top plate attached to said z-axis frame so that a cavity is formed, and wherein said sliding frame assembly is contained within said cavity; motion restriction means for restriction the x-axis frame movement along t;
he x-axis and the z-axis frame movement along the z-axis.
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Specification