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Title:
TOOL STRING ORIENTATION
Document Type and Number:
WIPO Patent Application WO/2018/227198
Kind Code:
A4
Abstract:
A downhole tool (100,300) and method for orienting a tool string within a passage, such as a wellbore (24) or a tubular disposed in the wellbore. The downhole tool may be operable for detachably connecting with the tool string and orienting the tool string within the passage. The downhole tool may include a frame (210) comprising a first frame portion and a second frame portion, wherein the first and second frame portions may be detachably connectable with each other around the tool string to detachably connect the frame with the tool string. The downhole tool may further include a first orienting feature (154,211) rotatably connected with the first frame portion along a first axis of rotation and a second orienting feature (156,212) rotatably connected with the second frame portion along a second axis of rotation. The first and second axes of rotation may be radially offset (217) from a central axis (102) of the tool string.

Inventors:
MASSEY, James P. (91 Kimball Pl, Breckenridge, Colorado, 80424, US)
Application Number:
US2018/036938
Publication Date:
March 14, 2019
Filing Date:
June 11, 2018
Export Citation:
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Assignee:
IMPACT SELECTOR INTERNATIONAL, LLC (100 Redmond Road, Houma, Louisiana, 70353, US)
International Classes:
E21B23/14; E21B47/01; E21B47/09; E21B49/10; E21B17/10
Attorney, Agent or Firm:
HOFMAN, DAVE R. (Boisbrun Hofman, PLLC1255 W. 15th Street, Suite 40, Plano Texas, 75075, US)
Download PDF:
Claims:
45

AMENDED CLAIMS

received by the International Bureau on 20 December 2018 (20.12.2018)

CLAIMS:

1. An apparatus comprising:

a downhole tool operable for detachably connecting with a tool string and orienting the tool string within a passage, wherein the passage is a wellbore or a tubular member disposed in the wellbore, and wherein the downhole tool comprises:

a frame operable to detachably connect wipth the tool string to detachably connect the downhole tool with the tool string;

a first orienting feature rotatably connected with the frame and comprising a first curved axial profile extending partially around the tool string when the downhole tool is detachably connected with the tool string;

a second orienting feature rotatably connected with the frame and comprising a

second curved axial profile extending partially around the tool string when the downhole tool is detachably connected with the tool string; and

a third orienting feature connected with the frame and comprising a third curved axial profile extending partially around the tool string at least partially between the first and second curved axial profiles when the downhole tool is detachably connected with the tool string. 2. The apparatus of claim 1 wherein the third cured axial profile overlaps with a portion of each of the first and second curved axial profiles thereby forming a substantially continuous curved axial profile extending partially around a circumference of the tool string when the downhole tool is detachably connected with the tool string. 3. The apparatus of claim 1 wherein the third cured axial profile extends over each of a first space located between the first and third orienting features and a second space located between the second and third orienting features thereby forming a substantially continuous curved axial profile extending partially around a circumference of the tool string when the downhole tool is detachably connected with the tool string.

4. The apparatus of claim 1 wherein:

the first orienting feature is rotatable about a first axis of rotation;

the second orienting feature is rotatable about a second axis of rotation;

the third curved axial profile extends beyond at least a portion of the first curved axial profile in a first direction along the first axis of rotation; and

the third curved axial profile extends beyond at least a portion of the second curved axial profile in a second direction along the second axis of rotation.

5. The apparatus of claim 1 wherein:

the first orienting feature is rotatable about a first axis of rotation;

the second orienting feature is rotatable about a second axis of rotation;

a first portion of the third orienting feature projects beyond at least a portion of the first orienting feature in a first direction along the first axis of rotation; and

a second portion of the third orienting feature projects beyond at least a portion of the second orienting feature in a second direction along the second axis of rotation.

6. The apparatus of claim 5 wherein the first and second portions of the third orienting feature are each detachably connectable with a central portion of the third orienting feature on opposing sides of the central portion of the third orienting feature.

7. The apparatus of claim 1 wherein the downhole tool has a geometric centerline radially offset from a central axis of the tool string when the downhole tool is detachably connected with the tool string such that the weight of the tool string facilitates rotation of the downhole tool and tool string within a non- vertical portion of the passage toward a rotational orientation in which the central axis is below the geometric centerline.

8. The apparatus of claim 1 wherein:

the first orienting feature is rotatable about a first axis of rotation;

the second orienting feature is rotatable about a second axis of rotation; and

the first and second axes of rotation each interpose the third orienting feature and a central axis of the tool string when the downhole tool is detachably connected with the tool string.

9. An apparatus comprising:

a downhole tool operable for detachably connecting with a tool string and orienting the tool string within a passage, wherein the passage is a wellbore or a tubular member disposed in the wellbore, and wherein the downhole tool comprises:

a frame operable to detachably connect with the tool string to detachably connect the downhole tool with the tool string, wherein the frame comprises an inner surface defining a void configured to receive the tool string;

a first orienting feature rotatably connected with the frame;

a second orienting feature rotatably connected with the frame; and

a spacer configured to be disposed between the inner surface of the frame and an outer surface of the downhole tool when the downhole tool is detachably connected with the tool string.

10. The apparatus of claim 9 wherein the spacer is configured to reduce an inner diameter of the void to match an outer diameter of the tool string.

11. The apparatus of claim 9 wherein the spacer is configured to change cross-sectional profile of the void to match a cross-sectional profile of the tool string. 12. The apparatus of claim 9 wherein the spacer is configured to extend at least partially around the tool string when the downhole tool is detachably connected with the tool string.

13. The apparatus of claim 9 wherein the spacer is curved to match curvature of the inner surface of the frame and/or an outer surface of the tool string.

14. The apparatus of claim 9 wherein the spacer is detachably connectable with the frame against the inner surface of the frame.

15. The apparatus of claim 9 wherein the frame comprises:

a first frame portion; and

a second frame portion, wherein the first and second frame portions are detachably

connectable with each other around the tool string to detachably connect the downhole tool with the tool string. 48

16. An apparatus comprising:

a downhole tool operable for detachably connecting with a tool string and orienting the tool string within a passage, wherein the passage is a wellbore or a tubular member disposed in the wellbore, and wherein the downhole tool comprises:

a frame operable to detachably connect with the tool string to detachably connect the downhole tool with the tool string, wherein the frame comprises:

a first frame portion; and

a second frame portion, wherein the first and second frame portions are

detachably connectable with each other around the tool string to detachably connect the downhole tool with the tool string, wherein the frame extends around a portion of a circumference of the tool string when the downhole tool is detachably connected with the tool string, and wherein the frame does not extend around the entirety of the

circumference of the tool string when the downhole tool is detachably connected with the tool string;

a first orienting feature rotatably connected with the frame; and

a second orienting feature rotatably connected with the frame. 17. The apparatus of claim 16 wherein the frame extends around a majority of the

circumference of the tool string when the downhole tool is detachably connected with the tool string.

18. The apparatus of claim 16 wherein the first orienting feature is rotatably connected with the first frame portion, and wherein the second orienting feature is rotatably connected with the second frame portion.

19. The apparatus of claim 16 wherein:

the first orienting feature is rotatable about a first axis of rotation;

the second orienting feature is rotatable about a second axis of rotation; and

the first and second axes of rotation are each radially offset from a central axis of the tool string when the downhole tool is detachably connected with the tool string. 49

20. The apparatus of claim 16 wherein the downhole tool further comprises a third orienting feature connected with the frame at least partially between the first and second orienting features, wherein the first, second, and third orienting features collectively form an axial profile having a geometric center that is radially offset from a central axis of the tool string when the downhole tool is detachably connected with the tool string.