CA2662440A1 - Method and apparatus for lateral drilling through a subterranean formation - Google Patents
Method and apparatus for lateral drilling through a subterranean formation Download PDFInfo
- Publication number
- CA2662440A1 CA2662440A1 CA002662440A CA2662440A CA2662440A1 CA 2662440 A1 CA2662440 A1 CA 2662440A1 CA 002662440 A CA002662440 A CA 002662440A CA 2662440 A CA2662440 A CA 2662440A CA 2662440 A1 CA2662440 A1 CA 2662440A1
- Authority
- CA
- Canada
- Prior art keywords
- rotor
- housing
- shoe
- casing
- nozzle
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
-
- 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
- E21B10/00—Drill bits
- E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
- E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
-
- 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
- E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
- E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
-
- 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
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0078—Nozzles used in boreholes
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
Abstract
An internally rotating nozzle for facilitating drilling through a subterranean formation is rotatably mounted internally within a housing connected to a hose for receiving high pressure fluid. The rotor includes at least two tangential jets oriented off of center for ejecting fluid to generate torque and rotate the rotor and cut a substantially cylindrical tunnel in the subterranean formation.
Claims (45)
1. An internally rotating nozzle for facilitating drilling through a subterranean formation, comprising:
a housing connectable to a hose for facilitating fluid communication between said hose and an interior portion of said housing; and a rotor rotatably mounted within said housing, said rotor including at least two tangential jets oriented off center to generate torque to rotate said rotor, said rotor further defining passageways for providing fluid communication between said interior of said housing and said jets.
a housing connectable to a hose for facilitating fluid communication between said hose and an interior portion of said housing; and a rotor rotatably mounted within said housing, said rotor including at least two tangential jets oriented off center to generate torque to rotate said rotor, said rotor further defining passageways for providing fluid communication between said interior of said housing and said jets.
2. The nozzle of Claim 1 further comprising at least one bearing mounted between said housing and said rotor for facilitating rotation of said rotor within said housing.
3. The nozzle of Claim 1 further comprising at least one thrust bearing mounted between said housing and said rotor for facilitating rotation of said rotor within said housing.
4. The nozzle of Claim 1 further comprising at least two brake pads mounted on said rotor proximate to said housing for frictionally engaging said housing from centrifugal force induced when said rotor is rotated.
5. The nozzle of Claim 1 further comprising a brake lining positioned within said interior of said housing, and at least two brake pads mounted on said rotor proximate to said brake lining for frictionally engaging said brake lining from centrifugal force induced when said rotor is rotated.
6. The nozzle of Claim 1 further comprising a carbide brake lining positioned within said interior of said housing, and at least two carbide brake pads mounted on said rotor proximate to said brake lining for frictionally engaging said brake lining from centrifugal force induced when said rotor is rotated.
7. The nozzle of Claim 1 wherein said rotor is configured to rotate about an axis, and said jets are not parallel to said axis.
8. The nozzle of Claim 1 wherein said rotor further comprises a center jet interposed between said at least two tangential jets.
9. A method for facilitating horizontal drilling through a well casing, the method comprising the steps of:
positioning in the well casing a shoe defining a passageway extending from an upper opening in the shoe through the shoe to a side opening in the shoe;
inserting a rod and casing mill assembly into the well casing and through the passageway in the shoe until a casing mill end of the casing mill assembly substantially abuts the well casing;
rotating the rod and casing mill assembly until the casing mill end substantially forms a perforation in the well casing;
attaching an internally rotating nozzle to the end of a flexible hose;
extending said internally rotating nozzle attached to the end of said flexible hose through the passageway to the perforation; and ejecting fluid from the nozzle.
positioning in the well casing a shoe defining a passageway extending from an upper opening in the shoe through the shoe to a side opening in the shoe;
inserting a rod and casing mill assembly into the well casing and through the passageway in the shoe until a casing mill end of the casing mill assembly substantially abuts the well casing;
rotating the rod and casing mill assembly until the casing mill end substantially forms a perforation in the well casing;
attaching an internally rotating nozzle to the end of a flexible hose;
extending said internally rotating nozzle attached to the end of said flexible hose through the passageway to the perforation; and ejecting fluid from the nozzle.
10. The method of Claim 9 further comprising the steps of :
connecting a housing to a hose for facilitating fluid communication between said hose and an interior portion of said housing; and mounting a rotor rotatably mounted within said housing, said rotor including at least two tangential jets oriented off center to generate torque to rotate said rotor, said rotor further defining passageways for providing fluid communication between said interior of said housing and said jets.
connecting a housing to a hose for facilitating fluid communication between said hose and an interior portion of said housing; and mounting a rotor rotatably mounted within said housing, said rotor including at least two tangential jets oriented off center to generate torque to rotate said rotor, said rotor further defining passageways for providing fluid communication between said interior of said housing and said jets.
11. The method of Claim 9 further comprising the step of mounting at least one bearing between said housing and said rotor for facilitating rotation of said rotor within said housing.
12. The method of Claim 9 further comprising the step of mounting at least one thrust bearing between said housing and said rotor for facilitating rotation of said rotor within said housing.
13. The method of Claim 9 further comprising the step of mounting at least two brake pads on said rotor proximate to said housing for frictionally engaging said housing from centrifugal force induced when said rotor is rotated.
14. The method of Claim 9 further comprising the steps of positioning a brake lining within said interior of said housing, and mounting at least two brake pads on said rotor proximate to said brake lining for frictionally engaging said brake lining from centrifugal force induced when said rotor is rotated.
15. The method of Claim 9 further comprising the steps of positioning a carbide brake lining within said interior of said housing, and mounting at least two carbide brake pads on said rotor proximate to said brake lining for frictionally engaging said brake lining from centrifugal force induced when said rotor is rotated.
16. The method of Claim 9 wherein said rotor is configured to rotate about an axis, and said jets are directed at an angle skewed from said axis.
17. The method of Claim 9 wherein said rotor further comprises a center jet interposed between said at least two tangential jets.
18. The method of Claim 9 wherein the casing mill assembly comprises at least one block and pin assembly coupled together to substantially form a universal joint connecting the rod to the casing mill end of the casing mill assembly for facilitating the step of inserting the casing mill assembly into and through the passageway of the shoe.
19. The method of Claim 9 wherein the casing mill assembly comprises at least one yoke interconnecting at least two block and pin assemblies coupled together to substantially form at least two universal joints coupling together the rod and the casing mill end of the casing mill assembly for facilitating the step of inserting the casing mill assembly into and through the passageway of the shoe.
20. The method of Claim 9 wherein the casing mill assembly comprises at least one barrel-shaped yoke interconnecting at least two block and pin assemblies coupled together to substantially form at least two universal joints coupling together the rod and the casing mill end of the casing mill assembly for facilitating the step of inserting the casing mill assembly into and through the passageway of the shoe.
21. The method of Claim 9 wherein the upper end of the shoe includes a chamfer and the rod includes a collar configured for seating in the chamfer and positioned on the rod so that the casing mill end of the casing mill assembly is substantially precluded from movement extending through cement surrounding the well casing.
22. The method of Claim 9 wherein the casing mill end comprises a milling portion fabricated from stainless steel with carbide inserts.
23. The method of Claim 9 further comprising the steps of extending the nozzle through the perforation.
24. The method of Claim 9 wherein said fluid further comprises surfactant.
25. The method of Claim 9 wherein the step of ejecting further comprises the step of ejecting the fluid from the nozzle so that the fluid impinges subterranean formation material.
26. The method of Claim 9 wherein the step of positioning further comprises attaching the shoe to tubing, and lowering the shoe into the well casing using the tubing.
27. A method for facilitating horizontal drilling through a perforation in a well casing, the method comprising the steps of:
positioning and anchoring in the well casing a shoe defining a passageway extending from an upper opening in the shoe through the shoe to a side opening in the shoe aligned with the perforation;
extending an internally rotating nozzle attached to the end of a flexible hose through the passageway to the perforation;
ejecting fluid from the nozzle; and extending said internally rotating nozzle through the perforation.
positioning and anchoring in the well casing a shoe defining a passageway extending from an upper opening in the shoe through the shoe to a side opening in the shoe aligned with the perforation;
extending an internally rotating nozzle attached to the end of a flexible hose through the passageway to the perforation;
ejecting fluid from the nozzle; and extending said internally rotating nozzle through the perforation.
28. A system for facilitating horizontal drilling through a well casing, the system comprising:
a shoe positioned at a selected depth in the well casing, the shoe defining a passageway extending from an upper opening in the shoe through the shoe to a side opening in the shoe;
a rod connected to a casing mill assembly for insertion into and through the well casing and through the passageway in the shoe until a casing mill end of the casing mill assembly abuts the well casing;
a motor coupled to the rod for rotating the rod and casing mill assembly until the casing mill end forms a perforation in the well casing;
attaching an internally rotating nozzle to the end of a flexible hose; and extending said internally rotating nozzle attached to the end of said flexible hose through the passageway to the perforation.
a shoe positioned at a selected depth in the well casing, the shoe defining a passageway extending from an upper opening in the shoe through the shoe to a side opening in the shoe;
a rod connected to a casing mill assembly for insertion into and through the well casing and through the passageway in the shoe until a casing mill end of the casing mill assembly abuts the well casing;
a motor coupled to the rod for rotating the rod and casing mill assembly until the casing mill end forms a perforation in the well casing;
attaching an internally rotating nozzle to the end of a flexible hose; and extending said internally rotating nozzle attached to the end of said flexible hose through the passageway to the perforation.
29. The system of Claim 28 wherein said motor is mounted at a wellhead.
30. The system of Claim 28 wherein the casing mill assembly comprises at least one block and pin assembly coupled together to substantially form a universal joint interconnected between the rod and the casing mill end of the casing mill assembly.
31. The system of Claim 28 wherein the casing mill assembly comprises at least one yoke interconnected between at least two block and pin assemblies coupled together to substantially form at least one first universal joint connected to the rod and at least one second universal joint connected to the casing mill end of the casing mill assembly.
32. The system of Claim 28 wherein the casing mill assembly comprises at least one barrel-shaped yoke interconnected between at least two block and pin assemblies coupled together to substantially form at least one first universal joint connected to the rod and at least one second universal joint connected to the casing mill end of the casing mill assembly.
33. The system of Claim 28 wherein the upper end of the shoe includes a chamfer and the rod includes a collar configured for seating in the chamfer and positioned on the rod so that the casing mill end of the casing mill assembly is substantially permitted to enter cement surrounding the well casing but precluded from passing through cement surrounding the well casing.
34. The system of Claim 28 wherein the casing mill end comprises a milling portion fabricated from stainless steel with carbide inserts.
35. The system of Claim 28 further comprising a nozzle attached to the end of a flexible hose positioned in the passageway such that the nozzle is effective for receiving from the hose fluid and for ejecting through the perforation the fluid into subterranean formation material.
36. The system of Claim 28 wherein said nozzle comprises:
a housing connectable to a hose for facilitating fluid communication between said hose and an interior portion of said housing; and a rotor rotatably mounted within said housing, said rotor including at least two tangential jets oriented off center to generate torque to rotate said rotor, said rotor further defining passageways for providing fluid communication between said interior of said housing and said jets.
a housing connectable to a hose for facilitating fluid communication between said hose and an interior portion of said housing; and a rotor rotatably mounted within said housing, said rotor including at least two tangential jets oriented off center to generate torque to rotate said rotor, said rotor further defining passageways for providing fluid communication between said interior of said housing and said jets.
37. The system of Claim 28 wherein said rotating nozzle further comprises at least one bearing mounted between said housing and said rotor for facilitating rotation of said rotor within said housing.
38. The system of Claim 28 wherein said rotating nozzle further comprises at least one thrust bearing mounted between said housing and said rotor for facilitating rotation of said rotor within said housing.
39. The system of Claim 28 wherein said rotating nozzle further comprises at least two brake pads mounted on said rotor proximate to said housing for frictionally engaging said housing from centrifugal force induced when said rotor is rotated.
40. The system of Claim 28 wherein said rotating nozzle further comprises a brake lining positioned within said interior of said housing, and at least two brake pads mounted on said rotor proximate to said brake lining for frictionally engaging said brake lining from centrifugal force induced when said rotor is rotated.
41. The system of Claim 28 wherein said rotating nozzle further comprises a carbide brake lining positioned within said interior of said housing, and at least two carbide brake pads mounted on said rotor proximate to said brake lining for frictionally engaging said brake lining from centrifugal force induced when said rotor is rotated.
42. The system of Claim 28 wherein said rotor is configured to rotate about an axis, and said jets are skewed from said axis.
43. The system of Claim 28 wherein said rotor further comprises a center jet interposed between said at least two tangential jets.
44. The system of Claim 28 wherein said rotating nozzle further comprises wherein the shoe is attached to tubing used to lower the shoe into the well casing.
45. A system for facilitating horizontal drilling through a perforation in a well casing, the system comprising the steps of:
a shoe positioned in the well casing, the shoe defining a passageway extending through the shoe from an upper opening in the shoe to a side opening in the shoe aligned with the perforation; and an internally rotating nozzle attached to the end of a flexible hose positioned in the passageway for ejecting fluid from the nozzle through the perforation into subterranean formation material.
a shoe positioned in the well casing, the shoe defining a passageway extending through the shoe from an upper opening in the shoe to a side opening in the shoe aligned with the perforation; and an internally rotating nozzle attached to the end of a flexible hose positioned in the passageway for ejecting fluid from the nozzle through the perforation into subterranean formation material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/246,896 | 2005-10-07 | ||
| US11/246,896 US7686101B2 (en) | 2001-11-07 | 2005-10-07 | Method and apparatus for laterally drilling through a subterranean formation |
| PCT/US2006/039285 WO2007044603A2 (en) | 2005-10-07 | 2006-10-06 | Internally rotating nozzle for facilitating drilling through a subterranean formation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2662440A1 true CA2662440A1 (en) | 2007-04-19 |
| CA2662440C CA2662440C (en) | 2011-06-07 |
Family
ID=37943430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2662440A Expired - Fee Related CA2662440C (en) | 2005-10-07 | 2006-10-06 | Method and apparatus for lateral drilling through a subterranean formation |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU2006302331B2 (en) |
| CA (1) | CA2662440C (en) |
| WO (1) | WO2007044603A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255425A (en) * | 2018-11-30 | 2020-06-09 | 中国石油化工股份有限公司 | Nozzle for hydraulic jet fracturing |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9976351B2 (en) * | 2011-08-05 | 2018-05-22 | Coiled Tubing Specialties, Llc | Downhole hydraulic Jetting Assembly |
| CN106337666B (en) * | 2015-07-07 | 2018-10-16 | 中国石油大学(北京) | A kind of downhole packing device that achievable radial well drilling tool turns to |
| CN111485826B (en) * | 2020-04-07 | 2021-07-27 | 中煤科工集团西安研究院有限公司 | Coal mine underground directional drilling branch hole sidetracking device and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4007797A (en) * | 1974-06-04 | 1977-02-15 | Texas Dynamatics, Inc. | Device for drilling a hole in the side wall of a bore hole |
| US4175626A (en) * | 1978-09-15 | 1979-11-27 | Harold Tummel | Fluid-jet drill |
| US4534427A (en) * | 1983-07-25 | 1985-08-13 | Wang Fun Den | Abrasive containing fluid jet drilling apparatus and process |
| CA2406663C (en) * | 2000-05-05 | 2006-01-03 | Weatherford/Lamb, Inc. | Apparatus and methods for forming a lateral wellbore |
| EP1689965A2 (en) * | 2003-11-17 | 2006-08-16 | Tempress Technologies, Inc. | Low friction face sealed reaction turbine rotors |
-
2006
- 2006-10-06 WO PCT/US2006/039285 patent/WO2007044603A2/en active Application Filing
- 2006-10-06 CA CA2662440A patent/CA2662440C/en not_active Expired - Fee Related
- 2006-10-06 AU AU2006302331A patent/AU2006302331B2/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255425A (en) * | 2018-11-30 | 2020-06-09 | 中国石油化工股份有限公司 | Nozzle for hydraulic jet fracturing |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007044603A3 (en) | 2007-12-21 |
| WO2007044603A2 (en) | 2007-04-19 |
| AU2006302331A1 (en) | 2007-04-19 |
| CA2662440C (en) | 2011-06-07 |
| AU2006302331B2 (en) | 2011-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |
Effective date: 20201006 |