1. A method of removing fluid from a well bore and riser, the method comprising the following steps:
(a) attaching a swivel to a drill string, the swivel including a mandrel and a sleeve, the sleeve being rotatably connected to the mandrel;
(b) inserting the swivel into the riser, the riser being fluidly connected to the well bore, the riser and well bore being fluidly connected to a blowout preventer, the blow-out preventer being located at a first level, the riser and well bore being at least partially filled with a first fluid, the first fluid being at a level in the riser which is above the first level;
(c) detachably connecting the blowout preventer to the sleeve thereby separating the first fluid into an upper section of the first fluid, located above the first level, and a lower section of the first fluid, located below the first level;
(d) displacing a portion of the lower section of the first fluid; and
(e) displacing a portion of the upper section of the first fluid.
2. The method of claim 1, wherein in steps \u201cd\u201d and \u201ce\u201d a second fluid is used for displacement.
3. The method of claim 1, wherein in step \u201cd\u201d a second fluid is used for displacement.
4. The method of claim 3, wherein in step \u201ce\u201d a third fluid is used for displacement.
5. The method of claim 4, wherein the second fluid is the same as the third fluid.
6. The method of claim 1, wherein the first fluid is drilling fluid.
7. The method of claim 1, wherein step \u201cd\u201d is performed before step \u201ce\u201d.
8. The method of claim 1, wherein step \u201cd\u201d is performed after step \u201ce\u201d.
9. The method of claim 1, wherein in step \u201cd\u201d the drill string is rotated continuously for a set period of time.
10. The method of claim 1, wherein in step \u201cd\u201d the drill string is rotated intermittently for a set period of time.
11. The method of claim 1, wherein in step \u201cd\u201d the drill string is rotated reciprocally for a set period of time.
12. The method of claim 1, wherein in step \u201cd\u201d the drill string is rotated between about sixty to ninety revolutions per minute.
13. The method of claim 1, wherein in step \u201cd\u201d the drill string is rotated at about ninety revolutions per minute.
14. The method of claim 1, wherein in step \u201ce\u201d the drill string is rotated continuously for a set period of time.
15. The method of claim 1, wherein in step \u201ce\u201d the drill string is rotated intermittently for a set period of time.
16. The method of claim 1, wherein in step \u201ce\u201d the drill string is rotated reciprocally for a set period of time.
17. The method of claim 1, wherein in step \u201ce\u201d the drill string is rotated between about sixty to ninety revolutions per minute.
18. The method of claim 1, wherein in step \u201ce\u201d the drill string is rotated at about ninety revolutions per minute.
19. The method of claim 1, wherein the lower section of the first fluid in step \u201cf\u201d is displaced through a choke line.
20. The method of claim 3, wherein the second fluid is a completion fluid.
21. The method of claim 4, wherein the third fluid is a completion fluid.
22. The method of claim 20, wherein the completion fluid includes calcium.
23. The method of claim 1, wherein in step \u201cd\u201d the drill string is kept at a constant longitudinal height.
24. The method of claim 1, wherein in step \u201ce\u201d the drill string is kept at a constant longitudinal height.
25. The method of claim 1, wherein in step \u201cd\u201d the drill string is reciprocated in a longitudinal direction.
26. The method of claim 1, wherein in step \u201ce\u201d the drill string is reciprocated in a longitudinal direction.
27. The method of claim 1, wherein in step \u201cd\u201d the drill string is reciprocated in a longitudinal direction and also rotated.
28. The method of claim 1, wherein in step \u201ce\u201d the drill string is reciprocated in a longitudinal direction and also rotated.
29. The method of claim 1, wherein between steps \u201cd\u201d and \u201ce\u201d the blowout preventer is disconnected from the sleeve.
30. The method of claim 1, wherein after step \u201cc\u201d the sleeve moves longitudinally relative to the mandrel.
31. The method of claim 1, wherein in step \u201ca\u201d the mandrel is fixed relative to the drill string.
32. The method of claim 1, wherein in step \u201cd\u201d the sleeve moves longitudinally relative to the blowout preventer.
33. The method of claim 1, wherein in step \u201ce\u201d the sleeve moves longitudinally relative to the blowout preventer.
34. The method of claim 1, wherein in step \u201ca\u201d the sleeve includes at least one catch, the catch tending to restrict longitudinal movement of the sleeve relative to the blow out preventer.
35. The method of claim 34, wherein the sleeve includes two catches which are spaced apart and which both tend to restrict longitudinal movement relative to the blow out preventer.
36. The method of claim 35, wherein each catch is radially symmetric relative to the sleeve.
37. The method of claim 36, wherein each catch includes at least one portion which is frustoconical.
38. The method of claim 35, wherein the catches and sleeve are fabricated from a single piece of stock material.
39. The method of claim 34, wherein the catch includes a contacting surface, the contacting surface having at least one opening or groove for allowing fluid flow across at least part of the surface.
40. The method of claim 1, wherein in step \u201ca\u201d the sleeve includes at least one lubrication portion.
41. A swivel comprising:
(a) a mandrel having upper and lower end sections and connected to and rotatable with upper and lower drill or work string sections, the mandrel including a longitudinal passage forming a continuation of a passage in the drill or work string sections;
(b) a sleeve having a longitudinal sleeve passage, the sleeve being rotatably connected to the mandrel by a pair of longitudinally spaced bearings;
(c) a seal between upper and lower end portions of the mandrel and sleeve, the seal preventing leakage of fluid between the mandrel and sleeve, the seal comprising a rope seal.
42. The swivel of claim 41, wherein the seal further comprises a pair of spaced apart packing units; the sleeve further comprises a protruding section in the longitudinal sleeve passage, each of the packing units being located on opposite sides of the protruding section.
43. The swivel of claim 41, wherein the sleeve further comprises a plurality of lubrication ports, the lubrication ports being positioned to lubricate at least two of the spaced bearings.
44. The swivel of claim 1, wherein the sleeve includes at least one catch, the catch tending to restrict longitudinal movement of the sleeve relative to a blow out preventer when the swivel detachably connected to the blowout preventer.
45. The swivel of claim 44, wherein the sleeve includes two catches which are spaced apart and which both tend to restrict longitudinal movement relative to the blow out preventer.
46. The swivel of claim 45, wherein each catch is radially symmetric relative to the sleeve.
47. The swivel of claim 46, wherein each catch includes at least one portion which is frustoconical.
48. The swivel of claim 45, wherein the catches and sleeve are fabricated from a single piece of stock material.
49. The swivel of claim 44, wherein the catch includes a contacting surface, the contacting surface having at least one opening or groove for allowing fluid flow across at least part of the surface.
50. A swivel insertable into a drill or work string comprising:
(a) a mandrel having upper and lower end sections and connected to and rotatable with upper and lower drill or work string sections, the mandrel including a longitudinal passage forming a continuation of a passage in the drill or work string sections;
(b) a sleeve having a longitudinal sleeve passage, the sleeve being rotatably connected to the mandrel by a pair of longitudinally spaced bearings;
(c) a pair of spaced apart packing units between upper and lower end portions of the mandrel and sleeve, the packing units preventing leakage of fluid between the mandrel and sleeve, the packing units each comprising a rope seal; and
(d) the sleeve restricting fluid flow between its interior and exterior sections.
51. The swivel of claim 50, wherein each packing unit further comprises a female packing end and a male packing end.
52. The swivel of claim 51, wherein a chevron type seal is placed between the female and male packing ends.
53. The swivel of claim 50, further comprising a pair of packing retainer nuts threadably engaging the sleeve, each packing retainer nut engaging one of the packing units.
54. The swivel of claim 50, wherein the sleeve further comprises a protruding section, the protruding section engaging each of the packing units.
55. The swivel of claim 50, wherein the sleeve includes at least one catch, the catch tending to restrict longitudinal movement of the sleeve relative to a blow out preventer when the swivel detachably connected to the blowout preventer.
56. The swivel of claim 55, wherein the sleeve includes two catches which are spaced apart and which both tend to restrict longitudinal movement relative to the blow out preventer.
57. The swivel of claim 56, wherein each catch is radially symmetric relative to the sleeve.
58. The swivel of claim 57, wherein each catch includes at least one portion which is frustoconical.
59. The swivel of claim 56, wherein the catches and sleeve are fabricated from a single piece of stock material.
60. The swivel of claim 55, wherein the catch includes a contacting surface, the contacting surface having at least one opening or groove for allowing fluid flow across at least part of the surface.
61. A swivel insertable into a drill or work string comprising:
(a) a mandrel having upper and lower end sections and connected to and rotatable with upper and lower drill or work string sections, the mandrel including a longitudinal passage forming a continuation of a passage in the drill or work string sections;
(b) a sleeve having a longitudinal sleeve passage, the sleeve being rotatably connected to the mandrel by a pair of longitudinally spaced bearings;
(c) a pair of spaced apart packing units between upper and lower end portions of the mandrel and sleeve, the packing units preventing leakage of fluid between the mandrel and sleeve, the packing units each comprising a plurality of rope seals;
(d) the sleeve comprising an inlet port positioned between the spaced bearings; and
(e) a coated section located in the vicinity of at least one of the packing units.
62. The swivel of claim 61, wherein the coated section is chrome plated.
63. A swivel comprising:
(a) a mandrel having upper and lower end sections and connected to and rotatable with upper and lower drill or work string sections, the mandrel including a longitudinal passage forming a continuation of a passage in the drill or work string sections;
(b) a sleeve having a longitudinal sleeve passage, the sleeve being rotatably connected to the mandrel by a pair of longitudinally spaced bearings;
(c) a seal between upper and lower end portions of the mandrel and sleeve, the seal preventing leakage of fluid between the mandrel and sleeve, and
(d) the sleeve being reciprocable between the upper and lower end sections of the mandrel.
64. The swivel of claim 63, wherein the sleeve includes at least one catch, the catch tending to restrict longitudinal movement of the sleeve relative to a blow out preventer when the swivel detachably connected to the blowout preventer.
65. The swivel of claim 63, wherein the sleeve includes two catches which are spaced apart and which both tend to restrict longitudinal movement relative to the blow out preventer.
66. The swivel of claim 65, wherein each catch is radially symmetric relative to the sleeve.
67. The swivel of claim 66, wherein each catch includes at least one portion which is frustoconical.
68. The swivel of claim 65, wherein the catches and sleeve are fabricated from a single piece of stock material.
69. The swivel of claim 64, wherein the catch includes a contacting surface, the contacting surface having at least one opening or groove for allowing fluid flow across at least part of the surface.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for reducing restenosis in subject comprising
performing a repeated remote ischemic conditioning (RIC) regimen on a subject having or at risk of developing restenosis, in an amount and a frequency sufficient to reduce the incidence or severity of restenosis.
2. The method of claim 1, wherein restenosis occurs following a medical intervention.
3. The method of claim 1, wherein the repeated RIC regimen comprises more than one RIC regimen performed on a single day.
4. (canceled)
5. The method of claim 1, wherein the repeated RIC regimen comprises one or more RIC regimens on more than one day.
6. The method of claim 5, wherein the repeated RIC regimen comprises one or more RIC regimens performed on a daily basis for one month.
7. The method of claim 5, wherein the repeated RIC regimen comprises one or more RIC regimens performed every other day for one month.
8-9. (canceled)
10. The method of claim 1, wherein the subject is human.
11. The method of claim 1, wherein the subject will receive a medical intervention.
12. The method of claim 11, wherein the repeated RIC regimen is performed before the medical intervention.
13. The method of claim 11, wherein the repeated RIC regimen is performed during the medical intervention.
14. The method of claim 11, wherein the repeated RIC regimen is performed after the medical intervention.
15. The method of claim 11, wherein the repeated RIC regimen is performed before and after the medical intervention.
16. The method of claim 1, wherein the medical intervention is an intravascular stent placement.
17-20. (canceled)
21. The method of claim 11, wherein the medical intervention is angioplasty.
22. The method of claim 11, wherein the medical intervention is a non-vascular stent placement.
23. (canceled)
24. The method of claim 11, wherein at least one RIC regimen is performed within 24 hours of the medical intervention.
25-26. (canceled)
27. The method of claim 1, wherein at least one RIC regimen comprises at least four cycles, each cycle comprising supra-systolic pressure and reperfusion.
28. The method of claim 1, wherein at least one RIC regimen comprises more than one cycle comprising 5 minutes of supra-systolic pressure and 5 minutes of reperfusion.
29. The method of claim 27, wherein the supra-systolic pressure is a pressure that is at least 15 mmHg above systolic pressure.
30. The method of claim 1, wherein the repeated RIC regimen is performed at the same site.
31-34. (canceled)