112 |
Service activities incidental to oil and gas extraction excluding surveying [ This class includes oil and gas field service activities provided on a fee or contract basis, including: directional drilling; “spudding in”; derrick building; repairing and dismantling; cementing oil and gas well casings; pumping wells; and other service activities. Oil and gas field exploration and geo-physical, geological and seismic surveying are classified in class 7421(Architectural and engineering activities and related technical consultancy)] |
India National Industrial Classification 2004 (MCA 2009) |
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