# US 10,865,617 B2 · One-way energy retention device, method and system

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 10,865,617 B2
- Document ID: US10865617B2
- Status: Granted
- Kind: B2
- Application number: 16/393,622
- Filed: 2019-04-24
- Published: 2019-08-15
- Granted: 2020-12-15
- Earliest claimed: 2016-12-20
- Assignees: Baker Hughes, A Ge Company, LLC
- Applicants: Guijun Deng; Lei Zhao; Zhihui Zhang; Zhiyue Xu
- Inventors: Guijun Deng; Lei Zhao; Zhihui Zhang; Zhiyue Xu
- Web page: https://patentgrep.com/patent/US10865617B2

## CPC

- E21B 33/1208: {characterised by the construction of the sealing or packing means (E21B33/1277 takes precedence)}
- E21B 33/128: with a member expanded radially by axial pressure (E21B33/122, E21B33/124 take precedence)
- E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

## Abstract

A one-way energy retaining device including a body, at least a portion of which comprises a degradable material; a protrusion extending radially from the body that allows movement of the device along a separate structure in a first direction and prevents movement along the separate structure in the opposite direction.

## Claims

### Claim 1

A one-way energy retaining device comprising:
a body, at least a portion of which comprises a degradable material that when degraded leaves the body in two separate annular pieces wherein one of the two separate annular pieces is radically inwardly disposed of the other of the two separate annular pieces;
a protrusion extending radially from the body that allows movement of the device along a separate structure in a first direction and prevents movement along the separate structure in the opposite direction.

### Claim 2 (depends on 1)

The device as claimed in claim 1 wherein the body is annular in shape.

### Claim 3 (depends on 1)

The device as claimed in claim 1 wherein the at least a portion is an annular portion.

### Claim 4 (depends on 1)

The device as claimed in claim 1 wherein the protrusion is a plurality of protrusions distributed about the body.

### Claim 5 (depends on 1)

The device as claimed in claim 1 wherein protrusion is on an outside diameter surface of the body.

### Claim 6 (depends on 1)

The device as claimed in claim 1 wherein the protrusion is on an inside diameter surface of the body.

### Claim 7 (depends on 4)

The device as claimed in claim 4 wherein the plurality of protrusions are on both an inside diameter surface of the body and an outside surface of the body.

### Claim 8 (depends on 1)

The device as claimed in claim 1 wherein the protrusion is a tooth.

### Claim 9 (depends on 1)

The device as claimed in claim 1 wherein the degradable material is an energetic reactive composite material.

### Claim 10 (depends on 1)

The device as claimed in claim 1 wherein the portion is the entire body.

### Claim 11 (depends on 1)

The device as claimed in claim 1 wherein the device is a body lock ring.

### Claim 12 (depends on 1)

A resource recovery system comprising:
a borehole; and
a tool disposed in the borehole, the tool including a device as claimed in claim 1.

### Claim 13 (depends on 1)

A method of storing energy and releasing stored energy in a borehole tool comprising:
urging a device as claimed in claim 1 in a first direction relative to the tool in a borehole;
storing in the tool, the energy that was employed during the urging;
signaling the at least a portion of the body to degrade.

### Claim 14 (depends on 13)

The method as claimed in claim 13 further including releasing the stored energy.

### Claim 15 (depends on 14)

The method as claimed in claim 14 wherein the releasing is by separating the body into two annular portions thereby removing the ability of the body to store energy.