# US 11,905,770 B2 · Latch assembly for torque management

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- Number: US 11,905,770 B2
- Document ID: US11905770B2
- Status: Granted
- Kind: B2
- Application number: 17/973,635
- Filed: 2022-10-26
- Published: 2023-10-19
- Granted: 2024-02-20
- Earliest claimed: 2021-10-26
- Applicants: Larry G. Keast
- Inventors: Larry G. Keast
- Web page: https://patentgrep.com/patent/US11905770B2

## CPC

- E21B 3/022: {Top drives}
- E21B 19/161: {using a wrench or a spinner adapted to engage a circular section of pipe (E21B19/168 takes precedence)}
- E21B 19/00: Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B 19/168: {using a spinner with rollers or a belt adapted to engage a well pipe}
- E21B: EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS

## Abstract

A latch assembly having a first portion movably coupled with a second portion. The first portion has a roller housing, a latch panel, and handle, and the second portion has a respective roller housing, a respective latch panel, and a respective handle. In a closed position, the latch panel engages with the respective roller housing, and the respective latch panel engages with the roller housing.

## Claims

### Claim 1

A latch assembly comprising:
a first portion, the first portion further comprising:
a first roller housing configured with an at least one roller, the first roller housing having a first side with a first latch receptacle and a first wing receptacle, and a second side with a first housing mount;
a first latch panel pivotably coupled with the first roller housing, the first latch panel configured with a first latch panel latch;
a first handle pivotably coupled with the first latch panel, the first handle configured with a first handle wing configured to engage and disengage with the first wing receptacle; and
a second portion movably coupled with the first portion, the second portion further comprising:
a second roller housing configured with another roller, the second roller housing having a respective first side with a second latch receptacle and a second wing receptacle, and a respective second side with a second housing mount;
a second latch panel pivotably coupled with the second roller housing, the second latch panel configured with a second latch panel latch;
a second handle pivotably coupled with the second latch panel, the second handle configured with a second handle wing configured to engage and disengage with the second wing receptacle,
wherein when the latch assembly is in a first position, the first latch panel latch is engaged with the second latch receptacle, and the second latch panel latch is engaged with the first latch receptacle, and wherein when the latch assembly is in a second position, the first latch panel latch is disengaged from the second latch receptacle, and the second latch panel latch is disengaged from the first latch receptacle.

### Claim 2 (depends on 1)

The latch assembly of claim 1, wherein when the latch assembly is in the first position, the first handle wing is engaged with the first wing receptacle, and the second handle wing is engaged with the second wing receptacle.

### Claim 3 (depends on 1)

The latch assembly of claim 1, wherein in the first position, a cable is disposed through the latch assembly.

### Claim 4 (depends on 1)

The latch assembly of claim 1, wherein a power swivel is coupled with the latch assembly.

### Claim 5 (depends on 4)

The latch assembly of claim 4, wherein a torque arm housing configured with a telescoping rod, and the telescoping rod is configured with a telescoping rod end coupled with the latch assembly.

### Claim 6 (depends on 4)

The latch assembly of claim 4, wherein a hinge bolt is disposed through each of the first roller housing, the second roller housing, and the telescoping rod end.

### Claim 7 (depends on 1)

The latch assembly of claim 1, wherein the first roller housing further comprises a first roller receptacle with the at least one roller disposed therein, and wherein a securing member is disposed through each of the first roller housing and the at least one roller in a manner whereby the at least one roller remains rotatable around the securing member.

### Claim 8 (depends on 1)

The latch assembly of claim 1, wherein a lock pin is disposed through at least one of: the first roller housing, the second roller housing, and combinations thereof, and wherein the latch assembly is maintained in the first position by the presence of the lock pin, and wherein the latch assembly is movable to the second position when the lock pin is removed.

### Claim 9

A torque management system for a drilling operation comprising:
a rig having a top end and a bottom end;
a cable having a first cable end connected to the top end and a second cable end connected to the bottom end;
a power swivel operatively connected with the rig;
a latch assembly coupled with the power swivel, the latch assembly configured to have the cable engaged and disengaged therefrom, and further comprising:
a first portion comprising:
a first roller housing configured with an at least one roller, the first roller housing having a first side with a first latch receptacle and a first wing receptacle, and a second side with a first housing mount;
a first latch panel pivotably coupled with the first roller housing, the first latch panel configured with a first latch panel latch; and
a first handle pivotably coupled with the first latch panel, the first handle configured with a first handle wing configured to engage and disengage with the first wing receptacle;
a second portion movably coupled with the first portion,
wherein when the latch assembly is in a first position, the first portion and the second portion couple together in a manner whereby the cable is maintained therein, and wherein when the latch assembly is in a second position, the first portion and the second portion are decoupled in a manner whereby the cable is able to be removed from the latch assembly.

### Claim 10 (depends on 9)

The torque management system of claim 9, wherein the second portion further comprises:
a second roller housing configured with another roller, the second roller housing having a respective first side with a second latch receptacle and a second wing receptacle, and a respective second side with a second housing mount;
a second latch panel pivotably coupled with the second roller housing, the second latch panel configured with a second latch panel latch; and
a second handle pivotably coupled with the second latch panel, the second handle configured with a second handle wing configured to engage and disengage with the second wing receptacle.

### Claim 11 (depends on 10)

The torque management system of claim 10, wherein in the first position, the first latch panel latch is engaged with the second latch receptacle, and the second latch panel latch is engaged with the first latch receptacle, and wherein in the second position, the first latch panel latch is disengaged from the second latch receptacle, and the second latch panel latch is disengaged from the first latch receptacle.

### Claim 12 (depends on 11)

The torque management system of claim 11, wherein when the latch assembly is in the first position, the first handle wing is engaged with the first wing receptacle, and the second handle wing is engaged with the second wing receptacle.

### Claim 13 (depends on 12)

The torque management system of claim 12, wherein the power swivel further comprises a torque arm housing configured with a telescoping rod, and the telescoping rod is configured with a telescoping rod end coupled with the latch assembly.

### Claim 14 (depends on 13)

The torque management system of claim 13, wherein a hinge bolt is disposed through each of the first roller housing, the second roller housing, and the telescoping rod end.

### Claim 15 (depends on 14)

The torque management system of claim 14, wherein the first roller housing further comprises a first roller receptacle with the at least one roller disposed therein, and wherein a securing member is disposed through each of the first roller housing and the at least one roller in a manner whereby the at least one roller remains rotatable around the securing member.

### Claim 16 (depends on 9)

The torque management system of claim 9, wherein a lock pin is disposed through at least one of: the first roller housing, the second roller housing, and combinations thereof, and wherein the latch assembly is maintained in the first position by the presence of the lock pin, and wherein the latch assembly is movable to the second position when the lock pin is removed.

### Claim 17

A latch assembly comprising:
a first portion, the first portion further comprising:
a first roller housing having a first side with a first latch receptacle and a first wing receptacle, and a second side with a first housing mount;
a first latch panel pivotably coupled with the first roller housing, the first latch panel configured with a first latch panel latch;
a first handle pivotably coupled with the first latch panel, the first handle configured with a first handle wing configured to engage and disengage with the first wing receptacle; and
a second portion movably coupled with the first portion, the second portion further comprising:
a second roller housing having a respective first side with a second latch receptacle and a second wing receptacle, and a respective second side with a second housing mount;
a second latch panel pivotably coupled with the second roller housing, the second latch panel configured with a second latch panel latch;
a second handle pivotably coupled with the second latch panel, the second handle configured with a second handle wing configured to engage and disengage with the second wing receptacle,
wherein when the latch assembly is in a first position, the first latch panel latch is engaged with the second latch receptacle, and the second latch panel latch is engaged with the first latch receptacle, and wherein when the latch assembly is in a second position, the first latch panel latch is disengaged from the second latch receptacle, and the second latch panel latch is disengaged from the first latch receptacle.

### Claim 18 (depends on 17)

The latch assembly of claim 17, wherein the first roller housing further comprises a first roller receptacle with the at least one roller disposed therein, and wherein a securing member is disposed through each of the first roller housing and the at least one roller in a manner whereby the at least one roller remains rotatable around the securing member.
