Lubrication system for a reciprocating apparatus

A system for servicing a wellbore with a positive displacement pump comprising:

• a source of a wellbore servicing fluid;
• and
• a first positive displacement pump comprising:
• a lubricant manifold comprising a first fluid pathway therein;
• a housing comprising a second fluid pathway therein, wherein the second fluid pathway is in fluid communication with the first fluid pathway;
• at least one crosshead slide arranged within the housing, wherein the crosshead slide comprises a third fluid pathway, and wherein the third fluid pathway is in fluid communication with the second fluid pathway;
• a crosshead configured to reciprocate within the at least one crosshead slide, wherein the crosshead comprises a fourth fluid pathway therein, wherein the fourth fluid pathway is in fluid communication with the third fluid pathway, wherein the crosshead comprises a wrist-pin having a fifth fluid pathway therein, and wherein the fifth fluid pathway is in fluid communication with the fourth fluid pathway;
• a crankshaft contained within the housing;
• and
• a connecting rod disposed between the crosshead and the crankshaft and connected thereto, wherein the connecting rod comprises a sixth fluid pathway therein, wherein the sixth fluid pathway is displaced from a centerline of the connecting rod, wherein the sixth fluid pathway is in fluid communication with the fifth fluid pathway, and wherein the crankshaft end of the connecting rod comprises a seventh fluid pathway in fluid communication with the sixth fluid pathway;
• and
• a wellbore, wherein the wellbore servicing fluid is communicated from the source into the wellbore via the first positive displacement pump.

A method of servicing a wellbore with a positive displacement pump comprising:

• providing a source of a wellbore servicing fluid at the wellbore;
• and
• transporting a positive displacement pump to the wellbore, the positive displacement pump comprising:
• a lubricant manifold comprising a first fluid pathway therein;
• a housing comprising a second fluid pathway therein, wherein the second fluid pathway is in fluid communication with the first fluid pathway;
• at least one crosshead slide arranged within the housing, wherein the crosshead slide comprises a third fluid pathway, and wherein the third fluid pathway is in fluid communication with the second fluid pathway;
• a crosshead configured to reciprocate within the at least one crosshead slide, wherein the crosshead comprises a fourth fluid pathway therein, wherein the fourth fluid pathway is in fluid communication with the third fluid pathway, wherein the crosshead comprises a wrist-pin having a fifth fluid pathway therein, and wherein the fifth fluid pathway is in fluid communication with the fourth fluid pathway;
• a crankshaft contained within the housing;
• and
• a connecting rod disposed between the crosshead and the crankshaft and connected thereto, wherein the connecting rod comprises a sixth fluid pathway therein, wherein the sixth fluid pathway is displaced from a centerline of the connecting rod, wherein the sixth fluid pathway is in fluid communication with the fifth fluid pathway, and wherein the crankshaft end of the connecting rod comprises a seventh fluid pathway in fluid communication with the sixth fluid pathway;
• fluidly coupling the positive displacement pump to the source of the wellbore servicing fluid and to the wellbore;
• and
• communicating the wellbore servicing fluid to the wellbore via the pump.