** USA Compression Partners USAC.N units down ~9 pct
premarket after MLP's secondary offering
** USAC threatening to erase all of this year's gains and
trade at lowest level since Nov if losses hold
** Co says USA Compression Holdings, LLC sells 5 mln units
for total gross proceeds of approx $81 mln urn:newsml:reuters.com:*:nBw6c51gka
** Sole bookrunner JP Morgan bought the units and reoffered
them at $16.20, a 10 pct discount to USAC's Tues close; block
gets done at bottom of $16.20-$16.70 marketed range
** Offering represents ~6 pct of MLP's total units
outstanding and 25 days of trading volume
** In early Apr, USA Compression completed its previously
announced $1.8 bln deal to acquire Energy Transfer's ETP.N
ETE.N compression business urn:newsml:reuters.com:*:nBw7j2Lbca
** Energy Transfer and Carlyle Group LP CG.O are top two
USAC unitholders, per Thomson Reuters data
** USAC units, which are up 8.7 pct in 2018, hit 1-yr high
of $19.33 in Jan in wake of deal with ETP
((lance.tupper.tr.com@reuters.net
lance.tupper@tr.com 646-223-5017))