CA2541318A1 - Well cementing apparatus and method - Google Patents
Well cementing apparatus and method Download PDFInfo
- Publication number
- CA2541318A1 CA2541318A1 CA 2541318 CA2541318A CA2541318A1 CA 2541318 A1 CA2541318 A1 CA 2541318A1 CA 2541318 CA2541318 CA 2541318 CA 2541318 A CA2541318 A CA 2541318A CA 2541318 A1 CA2541318 A1 CA 2541318A1
- Authority
- CA
- Canada
- Prior art keywords
- cementing
- conduit
- drill string
- string
- concentric drill
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices, or the like
- E21B33/14—Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes
Abstract
A cementing apparatus for use in cementing operations using concentric tubing or drill string such as concentric drill pipe, concentric coiled tubing, and the like is provided having an isolation cementing tool and a cementing flow control means.
Concentric tubing or drill string adapted for use in cementing a well is further disclosed. A method for cementing a well using concentric tubing or drill string is also provided.
Concentric tubing or drill string adapted for use in cementing a well is further disclosed. A method for cementing a well using concentric tubing or drill string is also provided.
Claims (35)
1. An apparatus for cementing a zone in a wellbore formation with cement, comprising:
(a) a first concentric drill string comprising an inner string having an inner conduit and situated within an outer string to form an annular conduit therebetween;
(b) an isolation cementing tool having an expandable and contractible packer means therearound, and adapted to be operably connected to said first concentric drill string such that the isolation cementing tool is in fluid communication with both said conduits; and (c) a cementing flow control means having a means for stopping or regulating flow through the annular conduit, the inner conduit, or both, and adapted to be operably connected to said first concentric drill string such that the cementing flow control means is in fluid communication with both said conduits.
(a) a first concentric drill string comprising an inner string having an inner conduit and situated within an outer string to form an annular conduit therebetween;
(b) an isolation cementing tool having an expandable and contractible packer means therearound, and adapted to be operably connected to said first concentric drill string such that the isolation cementing tool is in fluid communication with both said conduits; and (c) a cementing flow control means having a means for stopping or regulating flow through the annular conduit, the inner conduit, or both, and adapted to be operably connected to said first concentric drill string such that the cementing flow control means is in fluid communication with both said conduits.
2. The apparatus of claim 1 wherein said first concentric drill string comprises joints of concentric drill pipe.
3. The apparatus of claim 1 wherein said first concentric drill string comprises concentric coiled tubing.
4. The apparatus of claim 1 wherein said cementing flow control means is operably connected to said first concentric drill string by being operably connected to the cementing isolation tool.
5. The apparatus of claim 1 further comprising a second concentric drilling string comprising an inner string having an inner conduit and situated within an outer string to form an annular conduit therebetween wherein said second concentric drilling string is operably connected to both said isolation cementing tool and said cementing flow control means.
6. The apparatus of claim 1 wherein said inner string is made of a rubber material, a mixture of rubber and steel, fiberglass or other composite material and comprises electrical wires, and said packer means of said isolation cementing tool expands or contracts by means of an electric current delivered to the isolation cementing tool by the electrical wires of the inner string.
7. The apparatus of claim 1 wherein said packer means comprises an inflatable ring.
8. The apparatus of claim 7 wherein said inflatable ring expands or contracts by pumping fluids into or out of the inflatable ring.
9. The apparatus of claim 1 wherein said cementing flow control means comprises a center tube and an outer casing, and wherein the inner diameter of said center tube or the inner diameter of said outer casing is reduced at some point.
10. The apparatus of claim 1 further comprising a surface flow control means positioned at or near the surface of the wellbore for preventing the flow of hydrocarbons from the wellbore.
11. The apparatus of claim 1 further comprising a downhole flow control means positioned at or near the bottom of the concentric drill string for preventing the flow of hydrocarbons from the inner conduit, the annular conduit or both to the surface of the wellbore.
12. The apparatus of claim 1 wherein the means for stopping or regulating flow comprises at least one valve means.
13. The apparatus of claim 12 wherein said valve means is a check valve.
14. A cementing apparatus for use in cementing operations using concentric drill string, comprising:
(a) an isolation cementing tool comprising a center tube having an inner conduit and an outer casing surrounding the center tube and forming an annular conduit therebetween, said isolation cementing tool further comprising an expandable packer means surrounding the outer casing; and (b) a cementing flow control means comprising a center tube having an inner conduit and an outer casing surrounding the center tube and forming an annular conduit therebetween, said cementing flow control means further comprising a means for stopping or regulating flow through the annular conduit, the inner conduit, or both, and said cementing flow control means being adapted to be operably connected to and in fluid communication with the isolation cementing tool.
(a) an isolation cementing tool comprising a center tube having an inner conduit and an outer casing surrounding the center tube and forming an annular conduit therebetween, said isolation cementing tool further comprising an expandable packer means surrounding the outer casing; and (b) a cementing flow control means comprising a center tube having an inner conduit and an outer casing surrounding the center tube and forming an annular conduit therebetween, said cementing flow control means further comprising a means for stopping or regulating flow through the annular conduit, the inner conduit, or both, and said cementing flow control means being adapted to be operably connected to and in fluid communication with the isolation cementing tool.
15. The cementing apparatus of claim 14 wherein the means for stopping or regulating flow comprises at least one check valve.
16. The cementing apparatus of claim 14 wherein the cementing flow control means is operably connected to the isolation cementing means by at least one piece of concentric tubing or drill pipe.
17. The cementing apparatus of claim 14 wherein the isolation cementing tool is adapted to be operably connected to a concentric drill string comprising an inner string having an inner conduit and situated within an outer string to form an annular conduit therebetween.
18. A system for cementing a zone in a wellbore, comprising:
(a) an open hole annular expandable packer means;
(b) a concentric drill string having a top and bottom and comprising an inner string having an inner conduit situated within an outer string to form an annular conduit therebetween, said concentric drill string having an outside diameter such that it can be snugly inserted through a center of the annular expandable packer means ; and (c) a means for stopping or regulating flow positioned at or near the bottom of the concentric drill string in either the annular conduit or the inner conduit.
(a) an open hole annular expandable packer means;
(b) a concentric drill string having a top and bottom and comprising an inner string having an inner conduit situated within an outer string to form an annular conduit therebetween, said concentric drill string having an outside diameter such that it can be snugly inserted through a center of the annular expandable packer means ; and (c) a means for stopping or regulating flow positioned at or near the bottom of the concentric drill string in either the annular conduit or the inner conduit.
19. A method for cementing a zone in a wellbore formation with cement, comprising:
(a) providing a concentric drill string comprising an inner string having an inner conduit and situated within an outer string to form an annular conduit therebetween;
(b) pumping cement down one of the inner or annular conduits of the concentric drill string to the zone to be cemented;
(c) sealing off an outside annulus formed between a wall of said wellbore and an outer surface of said concentric drill string at a position above the zone desired to be cemented to prevent the flow of cement therethrough from the zone; and (d) sealing off the other of the inner or annular conduits of the concentric drill string to prevent the flow of cement therethrough from the zone.
(a) providing a concentric drill string comprising an inner string having an inner conduit and situated within an outer string to form an annular conduit therebetween;
(b) pumping cement down one of the inner or annular conduits of the concentric drill string to the zone to be cemented;
(c) sealing off an outside annulus formed between a wall of said wellbore and an outer surface of said concentric drill string at a position above the zone desired to be cemented to prevent the flow of cement therethrough from the zone; and (d) sealing off the other of the inner or annular conduits of the concentric drill string to prevent the flow of cement therethrough from the zone.
20. The method of claim 19 further comprising adding a cementing plug to the unsealed conduit after all the cement has been pumped therein.
21. The method of claim 20 further comprising pumping a first fluid through the unsealed conduit after the addition of the cementing plug to assist in pushing the cement through the unsealed conduit and into the zone in the wellbore formation.
22. The method of claim 21 further comprising preventing the cementing plug from exiting into the wellbore.
23. The method of claim 22 further comprising opening the sealed conduit and pumping a second fluid therethrough such that the second fluid is reverse circulated back up the unsealed conduit thereby removing the cementing plug and first fluid from the unsealed conduit to the surface of the wellbore.
24. The method of claim 19 further comprising:
(e) opening the sealed conduit after pumping the cement and pumping a cement curing composition therethrough.
(e) opening the sealed conduit after pumping the cement and pumping a cement curing composition therethrough.
25. The method of claim 24 wherein the cement curing composition comprises a gas.
26. The method of claim 19 further comprising: ~
(e) unsealing the outer annulus when pumping of the cement into the zone is completed;
(f) lifting the concentric drill string to a distance above the cemented zone and resealing the outer annulus; and (g) opening the sealed conduit of the concentric drill string and pumping a gas therethrough to cure the cement.
(e) unsealing the outer annulus when pumping of the cement into the zone is completed;
(f) lifting the concentric drill string to a distance above the cemented zone and resealing the outer annulus; and (g) opening the sealed conduit of the concentric drill string and pumping a gas therethrough to cure the cement.
27. The method of claim 19 wherein the outside annulus is sealed off by means of an expandable and contractible packer means.
28. The method of claim 27 wherein said packer means is expanded and contracted by means of an electrical current.
29. The method of claim 27 wherein said packer means is expanded and contracted by the addition of fluid into or the removal of fluid out of the packer means.
30. The method of claim 19 wherein the other of the inner or annular conduits of the concentric drill string are sealed off by means of at least one valve means.
31. The method of claim 19 wherein said concentric drill string comprises joints of concentric drill pipe.
32. The method of claim 19 wherein said concentric drill string comprises concentric coiled tubing.
33. The method of claim 19 further comprising providing a downhole flow control means positioned at or near the bottom of the concentric drill string for preventing flow of hydrocarbons from the inner conduit, the annular conduit or both to the surface of the wellbore.
34. The method of claim 19 further comprising providing a surface flow control means positioned at or near the surface of the wellbore for preventing flow of hydrocarbons from the outside annulus.
35. A concentric drill string for use in cementing a zone in a wellbore, the concentric drill string having an inner string having an inner conduit and situated within an outer string to form an annular conduit therebetween, comprising:
(a) an expandable packer means surrounding the outer string at or near a bottom end of the concentric drill string; and (b) a means for stopping or regulating flow positioned at or near the bottom end of the concentric drill string in either the annular conduit or the inner conduit.
(a) an expandable packer means surrounding the outer string at or near a bottom end of the concentric drill string; and (b) a means for stopping or regulating flow positioned at or near the bottom end of the concentric drill string in either the annular conduit or the inner conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2541318A CA2541318C (en) | 2006-03-14 | 2006-03-27 | Well cementing apparatus and method |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA2,539,511 | 2006-03-14 | ||
| CA002539511A CA2539511A1 (en) | 2005-03-14 | 2006-03-14 | Method and apparatus for cementing a well using concentric tubing or drill pipe |
| CA2541318A CA2541318C (en) | 2006-03-14 | 2006-03-27 | Well cementing apparatus and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2541318A1 true CA2541318A1 (en) | 2007-09-14 |
| CA2541318C CA2541318C (en) | 2011-01-11 |
Family
ID=38481179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2541318A Active CA2541318C (en) | 2006-03-14 | 2006-03-27 | Well cementing apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2541318C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120093A (en) * | 2017-01-11 | 2017-09-01 | 中石化重庆涪陵页岩气勘探开发有限公司 | With coiled tubing is integrated to the interim capping operation device of horizontal well and application method |
| US11959357B2 (en) | 2020-07-09 | 2024-04-16 | Saudi Arabian Oil Company | Cementing across loss circulation zones utilizing a smart drillable cement stinger |
-
2006
- 2006-03-27 CA CA2541318A patent/CA2541318C/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107120093A (en) * | 2017-01-11 | 2017-09-01 | 中石化重庆涪陵页岩气勘探开发有限公司 | With coiled tubing is integrated to the interim capping operation device of horizontal well and application method |
| US11959357B2 (en) | 2020-07-09 | 2024-04-16 | Saudi Arabian Oil Company | Cementing across loss circulation zones utilizing a smart drillable cement stinger |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2541318C (en) | 2011-01-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |