Recent advances in slim-hole drilling techniques are being used to drill shallow steam injectors in the San Joaquin Valley area near Bakersfield, California. The use of 2-3/8″ tubing as the casing string along with using a workover rig to drill the injectors has resulted in significant savings in required capital. Results from the latest work shows that a 50% reduction in total well cost can occur when drilling a multiple injector package.

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