# US 12,180,803 B2 · Methods and systems for a frac plug

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- Number: US 12,180,803 B2
- Document ID: US12180803B2
- Status: Granted
- Kind: B2
- Application number: 18/510,282
- Filed: 2023-11-15
- Published: 2024-03-21
- Granted: 2024-12-31
- Earliest claimed: 2022-06-29
- Assignees: Vertice Oil Tools Inc.
- Applicants: Vertice Oil Tools, Inc.
- Inventors: Mohamed Saraya; Stephen Parks; Mike Lo
- Web page: https://patentgrep.com/patent/US12180803B2

## CPC

- E21B 33/129: with mechanical slips for hooking into the casing (E21B33/122, E21B33/124 take precedence)
- E21B 23/01: for anchoring the tools or the like (E21B23/02 - E21B23/06 take precedence; anchoring of drives in the borehole E21B4/18)
- E21B 33/128: with a member expanded radially by axial pressure (E21B33/122, E21B33/124 take precedence)
- E21B 43/26: by forming crevices or fractures
- E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

## Abstract

A frac plug with lower slips and a lower cone. In embodiments, a lower cone ramp angle is greater than or equal to a cone bevel angle and a slip inner cut angle. This geometry enables the fins of the cone to not interact with the lower slips, which may not break the lower slips as the lower slips move over the cone. Instead, the lower slips may break due to stresses caused by the tendency of the lower slips to expand as they lower slips interact with the ramp of the lower cone.

## Claims

### Claim 1

A downhole tool comprising:
a slip with a plurality of wedges and webbing, the webbing being positioned between the plurality of wedges, wherein after setting the slip at least a fin of a cone is configured to be radially positioned between an inner surface of the webbing and a central axis of the downhole tool without contacting an inner surface of the webbing, the fin extending outward from an outer surface of the cone.

### Claim 2 (depends on 1)

The downhole tool of claim 1, wherein the webbing does not break as the slip radially expands.

### Claim 3 (depends on 1)

The downhole tool of claim 1, wherein the upper surface of the cone does not contact the inner surface of the webbing as the slip and cone move relatively toward each other.

### Claim 4 (depends on 1)

The downhole tool of claim 1, wherein the slip is formed of a single unitary piece.

### Claim 5 (depends on 1)

The downhole tool of claim 1, wherein the webbing and the slip have flushed external surfaces.

### Claim 6 (depends on 1)

The downhole tool of claim 1, wherein the slip includes a distal notch and a proximal notch, the distal notch extending from an inner surface of the slip to an outer surface of the slip in a radial direction, the proximal notch extending from the inner surface of the slip to the outer surface of the slip in the radial direction, wherein the distal notch, the webbing, and the proximal notch are aligned.

### Claim 7 (depends on 6)

The downhole tool of claim 6, wherein the proximal notch is shorter than the distal notch.

### Claim 8 (depends on 6)

The downhole tool of claim 6, wherein before activating the slip the proximal notch is positioned closer to the fin of the cone than the distal notch.

### Claim 9 (depends on 1)

The downhole tool of claim 1, wherein a first distance from an uphole end of the slip to an uphole end of the webbing is shorter than a second distance from a downhole end of the slip to a downhole end of the webbing.

### Claim 10 (depends on 1)

The downhole tool of claim 1, wherein an outer end of the fin does not contact the slip.

### Claim 11 (depends on 10)

The downhole tool of claim 10, sidewalls of the fin contact the inner surface of the webbing as the slip is being activated.

### Claim 12 (depends on 11)

The downhole tool of claim 11, wherein the upper surface of the fin is partially positioned between the inner surface of the webbing and the central axis of the downhole tool before the slip is activated.

### Claim 13 (depends on 11)

The downhole tool of claim 11, wherein a width of the upper surface of a first portion of the fin remains constant.

### Claim 14 (depends on 13)

The downhole tool of claim 13, wherein the first portion of the fin extends to a downhole end of the cone.

### Claim 15 (depends on 14)

The downhole tool of claim 14, wherein a ramp angle of the slip is substantially equal to a fin angle of the fin.

### Claim 16 (depends on 1)

The downhole tool of claim 1, wherein the slip is a first symmetrical object, and the cone is a second symmetrical object.

### Claim 17 (depends on 1)

The downhole tool of claim 1, wherein before setting the slip at least the portion of the cone is not positioned radially between an inner surface of the webbing and a central axis of the downhole tool.

### Claim 18

A downhole tool comprising:
a slip with a plurality of wedges and webbing, the webbing being positioned between the plurality of wedges, wherein after setting the slip at least a portion of a cone is configured to be positioned radially between an inner surface of the webbing and a central axis of the downhole tool without contacting an inner surface of the webbing,
wherein before setting the slip at least the portion of the cone is positioned radially between an inner surface of the webbing and a central axis of the downhole tool without contacting an inner surface of the webbing.

### Claim 19

A downhole tool comprising:
a slip with a plurality of wedges and webbing, the webbing being positioned between the plurality of wedges, wherein after setting the slip at least a portion of a cone is configured to be positioned radially between an inner surface of the webbing and a central axis of the downhole tool without contacting an inner surface of the webbing,
a cap positioned downhole from the slip, wherein the cap and the slip include anti-rotation mechanisms that do not allow the relative rotation between the cap and the slip.
