초록 ▼

A blowout preventer which, in certain aspects, has a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one bonnet releasably secured to the main body, the at least one bonnet containing movable ram apparatus, and side mount apparatu

A blowout preventer which, in certain aspects, has a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one bonnet releasably secured to the main body, the at least one bonnet containing movable ram apparatus, and side mount apparatus including at least one side mount secured exteriorly to the main body, the side mount for selectively supporting the at least one bonnet; and, in certain aspects, one or more rollers rotatably connected to the bonnet for facilitating movement of the bonnet on the side mount.

대표청구항 ▼

What is claimed is: 1. A blowout preventer comprising a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one bonnet secured to the main body, the at least one bonnet containing apparatus of the blowout preventer, and side mount ap

What is claimed is: 1. A blowout preventer comprising a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one bonnet secured to the main body, the at least one bonnet containing apparatus of the blowout preventer, and side mount apparatus including at least one side mount secured exteriorly to the main body, the at least one side mount for selectively supporting the at least one bonnet, wherein said at least one side mount has a mount body and an end portion, the end portion spaced apart from the main body with a curved bend between the end portion and the main body, the main body movable onto the end portion, and wherein the end portion is at an angle to the mount body. 2. The blowout preventer of claim 1 wherein said angle is about ninety degrees. 3. The blowout preventer of claim 1 wherein at said angle the movable ram apparatus is removable from within the at least one bonnet. 4. A blowout preventer comprising a main body with a main top, a main bottom, and a main bore therethrough from the main top to the main bottom, at least one bonnet secured to the main body, the at least one bonnet containing apparatus of the blowout preventer, and side mount apparatus including at least one side mount secured exteriorly to the main body, the at least one side mount for selectively supporting the at least one bonnet, wherein the side mount apparatus has an interior groove and the bonnet has at least one groove roller rotatably mounted thereto and positioned for receipt within said interior groove and for movement therein, wherein said at feast one groove roller is two spaced-apart groove rollers, and wherein, as viewed from above, the at least one bonnet roller is disposed between the two spaced-apart groove rollers. 5. A blowout preventer comprising a main body with a main top, a main bottom, a main bore therethrough from the main top to the main bottom, at least one bonnet secured to the main body, the at least one bonnet containing apparatus of the blowout preventer, side mount apparatus including at least one side mount secured exteriorly to the main body, each of the at least one side mount for selectively supporting the at least one bonnet, each of the at least one side mount having a top edge and a bottom edge, the top edge above the bottom edge, each of the at least one side mount having a side mount body with opposed top and bottom edges, each of the at least one bonnet having at least one top bonnet roller rotatably mounted thereto, the at least one top bonnet roller comprising a first roller, the first roller positioned for movement along the top edge of each of the at least one side mount, each of the at least one bonnet having at least one bottom roller, the at least one bottom bonnet roller comprising a second roller, the second roller positioned for movement along the bottom edge of each of the at least one side mount. 6. The blowout preventer of claim 5 wherein the or each bonnet roller has a roller groove therein and the top and bottom edges of the side mount are shaped to correspond to said roller groove so that part of one of said edges is disposed in said roller groove. 7. The blowout preventer of claim 5 wherein said at least one side mount has a mount body and an end portion, the end portion spaced apart from the main body with a curved bend between the end portion and the main body, the main body movable onto the end portion. 8. The blowout preventer of claim 7 wherein the end portion is at an angle to the mount body. 9. The blowout preventer of claim 8 wherein said angle is about ninety degrees. 10. The blowout preventer of claim 8 wherein at said angle the movable ram apparatus is removable from within the at least one bonnet. 11. The blowout preventer of claim 5 wherein the at least one bonnet includes a first bonnet on a first side of the main body and a second bonnet on a second side of the main body, the first bonnet opposed to the second bonnet, and wherein the at least one side mount is a first side mount for supporting the first bonnet and a second side mount for supporting the second bonnet. 12. The blowout preventer of claim 5 wherein the side mount apparatus has an interior groove and the bonnet has at least one groove roller rotatably mounted thereto and positioned for receipt within said interior groove and for movement therein. 13. The blowout preventer of claim 12 wherein said at least one groove roller is two spaced-apart groove rollers. 14. The blowout preventer of claim 13 wherein, as viewed from above, the at least one bonnet roller is disposed between the two spaced-apart groove rollers. 15. The blowout preventer of claim 5 wherein the bonnet has a center of gravity and centers of the bonnet rollers are coplanar with said center of gravity. 16. The blowout preventer of claim 5 wherein the side mount apparatus has an interior groove and the bonnet has at least one groove roller rotatably mounted thereto and positioned for receipt within said interior groove and for movement therein, wherein said at least one groove roller is two spaced-apart groove rollers, and said two spaced-apart groove rollers are spaced-apart from a line through centers of the two bonnet rollers. 17. The blowout preventer of claim 5 wherein at least one bonnet roller is rotatably secured to a mount, the mount secured to the bonnet, and shock absorbing apparatus Is disposed between the mount and the bonnet. 18. The blowout preventer of claim 5 further comprising a stop member removably secured at an end of the side mount to prevent the bonnet from moving off the at least one side mount.