u.s. oil gas executives bet big 2016 republican presidential candidate jeb bush donate white house run rival combine accord reuters review campaign disclosures last year bush face party strategists donors view make break moment saturday south carolina republican primary early nominate contest poll show trail single digits fail well pressure quit strategists say oil money look new home main beneficiaries republican race would likely ted cruz u.s. senator texas marco rubio u.s. senator florida bush two candidates receive contributions oil gas industry accord reuters review bush enter white house race last year petroleum sector saw natural choice son brother former presidents come west texas family historically close tie oil industry bush part family friendly face oil industry say sarah emerson director energy security analysis inc. boston draw million chief executive officer company like exxon mobil xom.n halliburton hal.n kind morgan kmi.n chief oil gas 2015 make 56 percent industry contributions race far accord review review cover contributions 75 oil gas company employees political action committees presidential candidates campaign ally super pacs count donations republican candidates campaign employees favor cruz among republicans bush second place rubio third click graphic oil gas money u.s. presidential race tmsnrt.rs/24cw28e several bush big oil ceo donors link family richard kind kind morgan example campaign george h.w bush run white house 1992 george w. bush run 2004. halliburton ceo david lesar meanwhile succeed dick cheney george w. bush nominate vice president 2000 people may think support get place bush-world say one washington d.c.-based oil industry lobbyist ask name question money go bush bleed bush run fifth place among seven republicans national reuters/ipsos poll percent support lead saturday primary compare front-runner donald trump 40 percent cruz rubio come second third poll 17 percent 11 percent respectively donations directly oil company political action committees pacs practically nil suggest millions dollars remain sideline race could deploy field candidates narrow year election particularly important oil gas executives steep slump energy price slash profit worry another democratic president could strengthen curb drill carbon emissions introduce president barack obama pronounce partisan agenda energy say robert mcnally founder president washington-based global energy consultancy rapidan group explain two party move farther apart energy policy middle road anymore say group oil gas company ceos doled nearly 3.2 million support presidential candidates far three time oil company employees equivalent period 2012 race one million dollars go texas gov rick perry drop september ceos alone give big families make cash oil industry also major donors like wilks brothers texas give cruz super pac 15 million big oil company ceo donations current candidates come head kind morgan chief oil gas million bush campaign ally right rise usa super pac accord file federal election commission rubio meanwhile take 38,000 chief executives devon energy dvn.n agl agl.ax atmos ato.n cruz receive money energy company ceos individual donations oil company employees ceos appear favor democratic hopeful hillary clinton take 110,000 cruz next nearly 105,000 edit ross colvin article fund part sap independently create reuters editorial staff sap editorial involvement creation production oil industry bet big jeb bush president reuters review show