Embodiments of the disclosure pertain to a downhole tool useable for isolating sections of a wellbore that includes a mandrel and a slip comprising a one-piece configuration disposed around the mandrel. The mandrel further includes a body comprising an external surface, and an inner bore formed ther
Embodiments of the disclosure pertain to a downhole tool useable for isolating sections of a wellbore that includes a mandrel and a slip comprising a one-piece configuration disposed around the mandrel. The mandrel further includes a body comprising an external surface, and an inner bore formed therein; a distal end; and a proximate end; wherein the mandrel is made of composite material, wherein a set of shear threads are disposed along a surface of the inner bore at the proximate end.
대표청구항▼
1. A downhole tool useable for isolating sections of a wellbore, the downhole tool comprising: a mandrel, the mandrel further comprising: a body comprising an external surface, and an inner bore formed therein;a distal end;a proximate end;a slip comprising a one-piece configuration disposed around t
1. A downhole tool useable for isolating sections of a wellbore, the downhole tool comprising: a mandrel, the mandrel further comprising: a body comprising an external surface, and an inner bore formed therein;a distal end;a proximate end;a slip comprising a one-piece configuration disposed around the mandrel; anda bearing plate disposed around the mandrel; wherein the mandrel is made of composite material, wherein the mandrel further comprises a transition portion configured with an angled transition surface in engagement with the bearing plate, and wherein a set of shear threads are disposed along a surface of the inner bore at the proximate end. 2. The downhole tool of claim 1, the downhole tool further comprising a composite member made of composite material disposed about the mandrel and in engagement with a seal element also disposed about the mandrel, wherein the composite member further comprises a first portion and a second portion, wherein the first portion comprises an at least one groove, an outer surface, an inner surface, a thickness between the outer surface and the inner surface, wherein a depth of the at least one groove extends through the thickness from the outer surface to the inner surface, and wherein a second material is bonded to the first portion and at least partially fills into the at least one groove. 3. The downhole tool of claim 1, wherein the mandrel is configured to couple with an adapter configured with corresponding threads that mate with the set of shear threads, and wherein the set of shear threads are configured to shear upon sufficient application of a load to the mandrel. 4. The downhole tool of claim 1, wherein the downhole tool comprises an axis, wherein the distal end comprises a set of rounded threads, and wherein the mandrel is coupled with a sleeve configured with corresponding threads that mate with the set of rounded threads. 5. The downhole tool of claim 1, wherein the slip comprises one or more non-metallic inserts disposed therein. 6. The downhole tool of claim 1, wherein the slip comprises one or more inserts disposed therein. 7. A downhole tool for isolating zones in a well comprising: a mandrel comprising composite material, the mandrel further comprising: a body comprising an external surface, and an inner bore formed therein;a first set of shear threads for mating with a setting tool, the first set disposed on an inner bore surface;a second set of threads for coupling to a lower sleeve, the second set disposed on the external surface; anda transition portion configured with an angled transition surface; anda bearing plate disposed around the mandrel and proximate to the transition portion. 8. The downhole tool of claim 7, the downhole tool further comprising: a cylindrical member made of composite material disposed about the mandrel and in engagement with a seal element, the cylindrical member comprising a deformable portion having one or more grooves disposed therein. 9. The downhole tool of claim 7, the tool further comprising a slip configured with a one-piece configuration disposed around the mandrel, wherein the transition portion is configured to withstand radial forces upon compression of the tool components. 10. The downhole tool of claim 7, wherein the shear threads are configured to shear upon sufficient application of a predetermined amount of load. 11. The downhole tool of claim 10, the tool further comprising: a first cone disposed around the mandrel and proximate a seal element;a metal slip disposed around the mandrel and engaged with an angled surface of the first cone; anda lower sleeve disposed around the mandrel and proximate a tapered end of the metal slip. 12. The downhole tool of claim 10, wherein the mandrel is configured with a seal surface to receive a ball that restricts fluid flow in at least one direction through the flow passage. 13. The downhole tool of claim 7, the downhole tool further comprising a slip disposed around the mandrel, the slip being configured with one or more inserts disposed therein. 14. A downhole tool useable for isolating sections of a wellbore, the downhole tool comprising: a mandrel, the mandrel comprising: a body having a proximate end comprising a set of threads and a first outer diameter, a distal end comprising a second outer diameter, and an inner bore disposed between the proximate end and the distal end; anda transition region formed on the body between the proximate end and the distal end,wherein the mandrel is made from composite filament wound material,wherein the set of threads are formed on the inner surface; anda bearing plate disposed around the mandrel and proximate to the transition portion. 15. The downhole tool of claim 14, wherein a taper is formed on the outer surface near the proximate end. 16. The downhole tool of claim 14, wherein the transition region comprises a taper surface, and wherein bearing plate is engaged with the taper surface. 17. The downhole tool of claim 16, the downhole tool further comprising: a composite member disposed about the mandrel, wherein the composite member is made of a composite material and comprises a first portion and a second portion; anda slip also disposed around the mandrel. 18. The downhole tool of claim 17, wherein the slip comprises at least one insert. 19. The downhole tool of claim 14, wherein the mandrel further comprises a ball check valve configured therewith.
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