AMENDED AND RESTATED TERM LOAN AGREEMENT Dated as of April 28, 2006 among VENOCO, INC., as Borrower, and BMC, LTD., WHITTIER PIPELINE CORPORATION, TEXCAL ENERGY (LP) LLC, TEXCAL ENERGY (GP) LLC, TEXCAL ENERGY NORTH CAL L.P., TEXCAL ENERGY SOUTH CAL...