Oil is abiotic and continually created via natural magmatic processes within the earth primarily from alkylhalides.
Methodology;
CH3Cl + Zn / HCl CH4 ( Methane )
Zn +2HCl ZnCl2 + 2[ H]
CH3Cl + n-Bu3SnH / AIBN CH4.
CH3Cl + 2Na + ClCH3 CH3-CH3 + 2 NaCl
RCOONa + NaOH (+CaO) R-H + Na2CO3.
CH3MgCl + H2O CH4 + Mg(OH)Cl.
RMgX + H2O R-H + Mg(OH)X.
• From Carbonyl compounds :
RCHO + Zn( Hg) / Conc.HCl R-CH3
R—(C=O)-R + Zn(Hg)/ Conc.HCl R-CH2-R.
RCHO + NH2-NH2 / KOH / C2H5OH RCH3.
R-(C=O)-R + NH2–NH2/KOH / C2H5OH R-CH2-R.
• 2CH3COONa + 2H2O / CH3–CH3 + 2CO2 + 2NaOH + H2.
2RCOONa +2H2O / R-R + 2CO2 + 2NaOH + H2.