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US 2022/0178214 A1Published application
Sucker rod couplings and tool joints with polycrystalline diamond elements
AssigneeXR Downhole, LLC
InventorsMichael R. Reese, David P. Miess, Gregory Prevost, Edward C. Spatz, William W. King
Life of this patent
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Abstract
The present disclosure includes sucker rod strings, pipe protectors, and tool joints having polycrystalline diamond elements positioned thereon to interface engagement with other surfaces in downhole applications. The polycrystalline diamond elements can be positioned on sucker rod guides, sucker rod couplers, pipe protectors, and tool joints.
Claims31
A sucker rod assembly, the assembly comprising:
- production tubing positioned within a wellbore, the production tubing having an internal cavity wall defining a cavity of the production tubing, wherein the internal cavity wall comprises a metal surface comprising a metal that includes at least 2 wt. % of a diamond solvent-catalyst based on a total weight of the metal;
- a sucker rod string positioned within the cavity of the production tubing, the sucker rod string comprising a first sucker rod coupled with a second sucker rod via a sucker rod coupler;
- and
- wherein the sucker rod coupler comprises a polycrystalline diamond elements, wherein the polycrystalline diamond element has a polycrystalline diamond engagement surface having a surface finish of at most 20 μin Ra, and wherein the polycrystalline diamond engagement surface is positioned along the sucker rod string to interface engagement between the sucker rod string and the metal surface of the production tubing.
1 more element
(canceled)
(canceled)
A method of interfacing engagement between a sucker rod string and production tubing, the method comprising:
- providing a sucker rod string, the sucker rod string comprising a first sucker rod coupled with a second sucker rod via a sucker rod coupler;
- positioning a polycrystalline diamond element on the sucker rod coupler, wherein the polycrystalline diamond element has a polycrystalline diamond engagement surface having a surface finish of at most 20 μin Ra;
- and
- positioning the sucker rod string within a cavity of a production tubing such that the polycrystalline diamond engagement surface is positioned along the sucker rod string to interface engagement between the sucker rod string and metal surface of the production tubing, wherein the metal surface comprises a metal that includes at least 2 wt. % of a diamond solvent-catalyst based on a total weight of the metal.
1 more element
(canceled)
(canceled)
A downhole tubular assembly, the assembly comprising:
- a tubular comprising a first end, a second end, and a tool joint at the second end;
- a polycrystalline diamond element coupled with the tool joint, wherein the polycrystalline diamond element has a polycrystalline diamond engagement surface having a surface finish of at most 20 μin Ra;
- and
- casing in a wellbore, the casing having an internal wall having a metal surface, the metal surface comprising a metal that includes at least 2 wt. % of a diamond solvent-catalyst based on a total weight of the metal;
- wherein the tubular is positioned within the casing such that the polycrystalline diamond engagement surface is positioned to interface engagement between the tool joint and the metal surface.
2 more elements
(canceled)
A method of interfacing engagement between a tool joint and casing, the method comprising:
- providing a tubular comprising a first end, a second end, and a tool joint at the second end;
- coupling a polycrystalline diamond element with the tool joint, wherein the polycrystalline diamond element has a polycrystalline diamond engagement surface having a surface finish of at most 20 μin Ra;
- and
- positioning the tubular in casing in a wellbore such that the polycrystalline diamond engagement surface is positioned to interface engagement between the tool joint and a metal surface of the casing, wherein the metal surface comprises a metal that includes at least 2 wt. % of a diamond solvent-catalyst based on a total weight of the metal.
1 more element
(canceled)
A tubular assembly, the assembly comprising:
- a first tubular positioned within a wellbore, the first tubular having an internal cavity wall defining a cavity of the first tubular, wherein the internal cavity wall comprises a metal surface comprising a metal that includes at least 2 wt. % of iron, titanium, cobalt, nickel, ruthenium, rhodium, palladium, chromium, manganese, copper, tantalum, or combinations thereof based on a total weight of the metal;
- a second tubular positioned within the cavity of the first tubular;
- and
- a polycrystalline diamond element coupled with the second tubular, wherein the polycrystalline diamond element has a polycrystalline diamond engagement surface having a surface finish of at most 20 μin Ra, and wherein the polycrystalline diamond engagement surface is positioned along the second tubular to interface engagement between the second tubular and the metal surface.
1 more element
Dependencies are inferred from the claim text.