Method of forming and securing a rod guide on a sucker rod

1. A method of forming and securing a rod guide on a sucker rod, comprising:

injection molding a guide body on the sucker rod to secure the rod guide on the sucker rod, the guide body including a sleeve-shaped plastic guide body, and the rod guide including two or more plastic material vanes each extending radially outward from the sleeve-shaped guide body, each vane spiraling about the guide body and defining a flow path between circumferentially spaced vanes;

each vane having a forward portion spiraling in a forward direction, and a backward portion spiraling in a backward direction rotatably opposite the forward direction; and

each vane extending circumferentially about the guide body from 130° to 220° within a plane perpendicular to a central axis of the guide body.

2. A method as defined in claim 1 , wherein each vane has a circumferential width of from 30 to 60°.

3. A method as defined in claim 1 , further comprising:

forming a rounded transition region between the forward directed portion and the backward directed portion of each vane.

4. A method as defined in claim 1 , wherein an end of each vane is tapered radially inward toward the sleeve-shaped guide body.

5. A method as defined in claim 1 , wherein each of a left side, a right side, and a radially exterior surfaces of each vane form a substantially curved planar surface.

6. A method as defined in claim 1 , wherein the guide body circumferentially surrounds the sucker rod within a plane perpendicular to a central axis of the rod guide.

7. A method of forming and securing a rod guide on a sucker rod, comprising:

injection molding a guide body on the sucker rod to secure the rod guide on the sucker rod, the guide body including a sleeve-shaped plastic guide body, and the rod guide including two or more plastic material vanes each extending radially outward from the sleeve-shaped guide body, each vane spiraling about the guide body and defining a flow path between circumferentially spaced vanes, the guide body circumferentially surrounding the sucker rod within a plane perpendicular to a central axis of the rod guide;

each vane having a forward portion spiraling in a forward direction, and a backward portion spiraling in a backward direction rotatably opposite the forward direction; and

each vane extending circumferentially about the guide body from 130° to 220° within a plane perpendicular to a central axis of the guide body, and having a circumferential width of from 30 to 60°.

8. A method as defined in claim 7 , further comprising:

forming a rounded transition region between the forward directed portion and the backward directed portion of each vane.

9. A method as defined in claim 7 , wherein an end of each vane is tapered radially inward toward the sleeve-shaped guide body.

10. A method as defined in claim 7 , wherein each of a left side, a right side, and a radially exterior surfaces of each vane form a substantially curved planar surface.

11. A method of forming and securing a rod guide on a sucker rod, comprising:

injection molding a guide body on the sucker rod to secure the rod guide on the sucker rod, the guide body including a sleeve-shaped plastic guide body, and the rod guide including two or more plastic material vanes each extending radially outward from the sleeve-shaped guide body, each vane spiraling about the guide body and defining a flow path between circumferentially spaced vanes, the guide body circumferentially surrounding the sucker rod within a plane perpendicular to a central axis of the rod guide;

each vane having a forward portion spiraling in a forward direction, and a backward portion spiraling in a backward direction rotatably opposite the forward direction; and

each vane extending circumferentially about the guide body from 130° to 220° within a plane perpendicular to a central axis of the guide body, and an end of each vane being tapered radially inward toward the sleeve-shaped guide body.

12. A method as defined in claim 11 , wherein each vane has a circumferential width of from 30 to 60°.

13. A method as defined in claim 11 , further comprising:

forming a rounded transition region between the forward directed portion and the backward directed portion of each vane.

14. A method as defined in claim 11 , wherein each of a left side, a right side, and a radially exterior surfaces of each vane form a substantially curved planar surface.