to be positioned subsea above a subsea well a pressure control head adapted to be positioned above the lubricator tube at least one pressure sensor adapted for sensing at least one of a pressure in the subsea well or an ambient seawater pressure proximate the pressure control head and at least one pump that is adapted to be positioned subsea to inject a lubricant into the pressure control head at a pressure that is greater than the sensed pressure a method of operating a subsea lubricator system positioned above a subsea well the lubricator system including a pressure control head is also disclosed which includes monitoring at least one of a pressure within the well and an ambient seawater pressure proximate the lubricator system and injecting a lubricant into the pressure control head at a pressure that is greater than the monitored pressure application_number US 95491907 A description illustrative embodiments of the present subject matter are described below in the interest of clarity not all features of an actual implementation are described in this specification it will of course be appreciated that in the development of any such actual embodiment numerous implementation specific decisions must be made to achieve the developers 39 specific goals such as compliance with system related and business related constraints which will vary from one implementation to another moreover it will be appreciated that such a development effort might be complex and time consuming but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure the present subject matter will now be described with reference to the.