Abstract: Methods of sealing tubulars are disclosed herein, which methods may include: providing a patch plug assembly that includes: a shaft; a wedge coupled to the shaft; a slip coupled to the shaft; a plug slidably coupled to the wedge; and a ferrule disposed between the wedge and the plug; pushing the slip against the tubular; pushing the plug against the ferrule after the slip is pushed against the tubular; pushing the ferrule against the wedge after the plug is pushed against the ferrule; and pushing a plug portion of the plug against an inner surface of the tubular.

Abstract: Methods of sealing tubulars are disclosed herein, which methods may include: providing a patch plug assembly that includes: a shaft; a wedge coupled to the shaft; a slip coupled to the shaft; a plug slidably coupled to the wedge; and a ferrule disposed between the wedge and the plug; pushing the slip against the tubular; pushing the plug against the ferrule after the slip is pushed against the tubular; pushing the ferrule against the wedge after the plug is pushed against the ferrule; and pushing a plug portion of the plug against an inner surface of the tubular.

Abstract: Disclosed herein are downhole landing assemblies including a downhole landing assembly for an oil or gas well, downhole landing assembly may include: an upper seat cylinder capable of being coupled to an upper portion of a tubular string; a lower seat cylinder capable of being coupled to a lower portion of the tubular string, wherein the lower seat cylinder may be coupled to the upper seat cylinder; a landing seat coupled to the lower seat cylinder, the landing seat may have two inner surfaces; and a landing mandrel having two outer surfaces, wherein one outer surface of the two outer surfaces may be capable of being abutted against one inner surface of the two inner surfaces.

Abstract: Disclosed herein are downhole landing assemblies including a downhole landing assembly for an oil or gas well, downhole landing assembly may include: an upper seat cylinder capable of being coupled to an upper portion of a tubular string; a lower seat cylinder capable of being coupled to a lower portion of the tubular string, wherein the lower seat cylinder may be coupled to the upper seat cylinder; a landing seat coupled to the lower seat cylinder, the landing seat may have two inner surfaces; and a landing mandrel having two outer surfaces, wherein one outer surface of the two outer surfaces may be capable of being abutted against one inner surface of the two inner surfaces.

Abstract: Methods of sealing tubulars are disclosed herein, which methods may include: providing a patch plug assembly that includes: a shaft; a wedge coupled to the shaft; a slip coupled to the shaft; a plug slidably coupled to the wedge; and a ferrule disposed between the wedge and the plug; pushing the slip against the tubular; pushing the plug against the ferrule after the slip is pushed against the tubular; pushing the ferrule against the wedge after the plug is pushed against the ferrule; and pushing a plug portion of the plug against an inner surface of the tubular.

Abstract: Methods of sealing tubulars are disclosed herein, which methods may include: providing a patch plug assembly that includes: a shaft; a wedge coupled to the shaft; a slip coupled to the shaft; a plug slidably coupled to the wedge; and a ferrule disposed between the wedge and the plug; pushing the slip against the tubular; pushing the plug against the ferrule after the slip is pushed against the tubular; pushing the ferrule against the wedge after the plug is pushed against the ferrule; and pushing a plug portion of the plug against an inner surface of the tubular.

Abstract: Disclosed herein are downhole landing assemblies including a downhole landing assembly for an oil or gas well, downhole landing assembly may include: an upper seat cylinder capable of being coupled to an upper portion of a tubular string; a lower seat cylinder capable of being coupled to a lower portion of the tubular string, wherein the lower seat cylinder may be coupled to the upper seat cylinder; a landing seat coupled to the lower seat cylinder, the landing seat may have two inner surfaces; and a landing mandrel having two outer surfaces, wherein one outer surface of the two outer surfaces may be capable of being abutted against one inner surface of the two inner surfaces.

Abstract: Disclosed herein are downhole disconnect assemblies for disconnecting downhole tubulars. Those disconnect assemblies may each include: 1) a housing having an inner surface and a groove disposed in the inner surface; 2) a sub disposed in the housing, the sub having a window aligned with the groove; 3) a locking lug extending through the window and having a projection removably disposed in the groove; 4) a prop sleeve disposed in the sub and releasably coupled to the locking lug; and 5) a load transfer sleeve pushing the housing.

Abstract: Disclosed herein are downhole landing assemblies including a downhole landing assembly for an oil or gas well, downhole landing assembly may include: an upper seat cylinder capable of being coupled to an upper portion of a tubular string; a lower seat cylinder capable of being coupled to a lower portion of the tubular string, wherein the lower seat cylinder may be coupled to the upper seat cylinder; a landing seat coupled to the lower seat cylinder, the landing seat may have two inner surfaces; and a landing mandrel having two outer surfaces, wherein one outer surface of the two outer surfaces may be capable of being abutted against one inner surface of the two inner surfaces.

Abstract: The disclosure herein includes a tubular cutting assembly for cutting a downhole tubular string, which tubular cutting assembly may include: a landing seat capable of being disposed on the downhole tubular string; and a tubular cutting assembly including: a landing mandrel capable of being coupled to the landing seat; a motor disposed below the landing mandrel; and a cutter assembly coupled to the motor.

Abstract: The disclosure herein includes a tubular cutting assembly for cutting a downhole tubular string, which tubular cutting assembly may include: a landing seat capable of being disposed on the downhole tubular string; and a tubular cutting assembly including: a landing mandrel capable of being coupled to the landing seat; a motor disposed below the landing mandrel; and a cutter assembly coupled to the motor.