Suggestions please for pain after enema. Perhaps air?

I wondered if you could answer this question. I gave myself my first enema yesterday. I used a Fleet mineral oil. Then a Fleet saline solution. While using the mineral oil, I pulled the nozzle out of me, thinking the oil was all in me. There was still a fair amount. I pumped up the partially collapsed bottle so it was full of air, thinking it would be easier to get the rest of the oil in me. It turned out the oil didn't go in easier. I withdrew the nozzle again from me, collapsed the bottle, reinserted, and got most the oil out of the bottle and into me.

Shortly thereafter, I felt a bit of pain on my left side, under my ribs. Since then, over the last day, I've felt small pains elsewhere in my stomach area. Not always, but often.

Could it be that I introduced air? And that's what's hurting? There's no blood in my stool.

Thanks so much,