Oil tank sealing device with optional cable greaser and related methods

An adjustable oil tank seal device, comprising a pipe tee comprising three threaded holes including a top hole, a bottom hole and side hole, said pipe tee filled with solid epoxy comprising a first channel drilled between the centers of the top and bottom holes and a second channel drilled from the center of the side hole to the first channel, further comprising a cable running through the first channel, an o-ring overlaying the epoxy at each of the three holes, pipe nipples screwed into each side hole, and a refillable greaser component screwed into the side hole, such greaser component comprising a cylinder with a hollow grease reservoir, a spring-loaded plunger seated inside the reservoir, a funnel base located between the reservoir and the tee and a connector between the funnel base and the tee, wherein one pipe nipple is attached to a corresponding oil tank hole.