drilling a wellbore using a drillstring;

casing the wellbore;

fracture stimulating a reservoir via the wellbore;

after fracture stimulating, drilling the wellbore to a plug back total depth using the drillstring; and

after drilling the wellbore to the plug back total depth, converting the drillstring from a drilling mode to a production mode without removing the entirety of the drillstring from the wellbore,

wherein when the drillstring is in the drilling mode, the drillstring includes one or more of a drillout bottomhole assembly, first and second gas injection control nipples, first and second profile nipples, a backpressure valve, a workstring, and first and second crossovers, and wherein converting the drillstring includes: disconnecting the drillout bottomhole assembly; deploying a reverse flow check and orifice valve to the first gas injection control nipple; and removing a portion of the drillstring from the wellbore.