Independent lube systems for reciprocating pump
According to one aspect, a power end of a high pressure reciprocating pump includes a first area and a second area. The first area includes at least a first component, and the second area includes at least a second component. The power end of the pump also includes a first lube arrangement configured to provide a first lube to the first area, and a second lube arrangement configured to provide a second lube to the second area. In one embodiment, the first lube has a higher viscosity than the second lube.
1 . A power end of a high pressure reciprocating pump, comprising:
a first area, the first area including at least a first component;
a second area, the second area including at least a second component, wherein the first area and the second area are separated by a seal arrangement;
a first lube arrangement, the first lube arrangement being configured to provide a first lube to the first area, wherein the first lube has a first viscosity; and
a second lube arrangement, the second lube arrangement being configured to provide a second lube to the second area, wherein the second lube has a second viscosity, the first viscosity being higher than the second viscosity.
2 . The power end of the high pressure reciprocating pump of claim 1 , wherein the power end includes a gearbox and a crankcase, the first area is in the gearbox, and the second area is in the crankcase.
3 . The power end of the high pressure reciprocating pump of claim 2 wherein the second component is a crankshaft.
4 . The power end of the high pressure reciprocating pump of claim 3 wherein the second area further includes at least one connecting rod.
5 . The power end of the high pressure reciprocating pump of claim 1 wherein the first lube arrangement and the first area form a first lube system, and wherein the second lube arrangement and the second lube area form a second lube system, the first lube system being isolated from the second lube system.
6 . The power end of the high pressure reciprocating pump of claim 5 further including:
a first drain arrangement, wherein the first drain arrangement is included in the first lube system, wherein the first drain arrangement is configured to drain the first lube.
7 . A power end of the high pressure reciprocating pump, of comprising:
a first area, the first area including at least a first component;
a second area, the second area including at least a second component, wherein the first area and the second area are separated by a seal arrangement;
a first lube arrangement, the first lube arrangement being configured to provide a first lube to the first area from a first lube source and a first lube pump; and
a second lube arrangement, the second lube arrangement being configured to provide a second lube to the second area from a second lube source and a second lube pump.
8 . The power end of the high pressure reciprocating pump of claim 7 , wherein the power end includes a gearbox and a crankcase, the first area is in the gearbox, and the second area is in the crankcase.
9 . The power end of the high pressure reciprocating pump of claim 7 , wherein the first lube arrangement and the first area form a first lube system, and wherein the second lube arrangement and the second lube area form a second lube system, the first lube system being isolated from the second lube system.
10 . A high pressure reciprocating pump, comprising:
a fluid end; and
a power end coupled to the fluid end and configured to provide pumping power to the fluid end, wherein the power end includes a plurality of independent lube systems including a first lube system and a second lube system, the first lube system providing lube to a first area and the second lube system providing lube to a second area, the first lube system including a first lube contained in the first area and the second lube system including a second lube contained in the second area, separate from the first area, wherein the first lube has a first viscosity, and the second lube has a second viscosity, the first viscosity being higher than the second viscosity.
11 . The high pressure reciprocating pump of claim 10 wherein the first area includes at least a portion of a power train, and the second area includes at least a portion of a crankcase, and wherein the second area includes a crankshaft.
12 . The high pressure reciprocating pump of claim 11 wherein the second area further includes at least one connecting rod.
13 . The high pressure reciprocating pump of claim 10 wherein the first area is separated from the second area by a seal.
14 . The high pressure reciprocating pump of claim 10 wherein the power end comprises a gearbox and a crankcase, the first area being defined in the gearbox and the second area being defined in the crankcase.
15 . An assembly for use with a pump, comprising:
a first lube system, the first lube system including a first area and a first lube pump arranged to pump a first lube into the first area, wherein the first lube has a first viscosity; and
a second lube system, the second lube system including a second area and a second lube pump arranged to pump a second lube into the second area; the second lube system being isolated from the first lube system, wherein, the second lube has a second viscosity, the first viscosity being higher than the second viscosity, wherein the first lube has at least one additional characteristic that differs from the second lube.
16 . The assembly of claim 15 wherein the second area includes a crankshaft and at least one connecting rod.
17 . The assembly of claim 16 wherein the first area includes a planetary dam of a planetary carrier.
18 . The assembly of claim 15 wherein the first lube includes at least one extreme pressure additive.
19 . The assembly of claim 15 wherein the pump is a frac pump.
20 . The assembly of claim 15 wherein the pump is a high pressure reciprocating including a bull gear and pinion style power end that is operatively connected to a fluid end.