The utility model belongs to the technical field of oil gas well borehole operation device, concretely relates to snubbing serving machine oiling water injection pump, its characterized in that: the oiling water injection pump include five cylinder pump power ends, five jar reciprocating pumps, business turn over oil pipe way, business turn over water pipe way, five jar reciprocating pumps provide power by five cylinder pump power ends, and this five jars reciprocating pump includes two jar water injection pumps that communicate with three jar filling pumps of business turn over oil pipe way intercommunication and business turn over water pipe way, the utility model discloses pressing well workover function, area operation, well liquid reinjection technology to combine, forming a high efficiency snubbing serving machine, this equipment need not consigned, lifting device in operation, migration process, has saved manpower, material resources, financial resources greatly, and the convenience, and is swift, novel.