CECAEN Rev 3
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Division 09

Service activities incidental to oil and gas extraction (excluding surveying)

This macro-category includes all specialized services supporting crude oil and natural gas extraction operations, from drilling and well maintenance to related services such as testing and reservoir stimulation. Essentially, these are activities that help oil companies extract hydrocarbons safely and efficiently.

Included Activities & Applicability

  • ✅ Directional and directional drilling services
  • ✅ Well repair and maintenance
  • ✅ Installation and operation of drilling platforms
  • ✅ Well cementing and acidizing services
  • ✅ Pumping and hydraulic fracturing
  • ✅ Logging and well testing services
  • ✅ Assembly and disassembly of drilling equipment
  • ✅ Technical assistance for oil and gas extraction

Excluded Activities & Restrictions

  • ❌ Mining of oil and gas (CAEN 06)
  • ❌ Service activities incidental to coal extraction (CAEN 09)
  • ❌ Geological and geophysical prospecting (CAEN 71)
  • ❌ Manufacture of machinery for extraction (CAEN 28)
  • ❌ Transport of crude oil and gas via pipelines (CAEN 49)

Subordinate Structure

091 Service activities incidental to oil and gas extraction
→
0910 Activities of support services for the extraction of crude petroleum and natural gas
→
099 Activities of ancillary services for mineral extraction
→
0990 Activities of support services for mineral extraction
→

Detailed Analysis & Commercial Insights

CAEN Division 09 – Essential Support for Oil & Gas Industry in Romania

CAEN Division 09 represents a key pillar of Romania's oil and gas industry, encompassing a wide range of specialized services that enable efficient hydrocarbon extraction. From directional drilling and well cementing to hydraulic fracturing and reservoir testing, these activities are vital for maintaining oil and gas production at optimal parameters.

In the macroeconomic context, this division significantly contributes to the country's energy security, generating high-value-added and highly skilled jobs. Its evolution has been dynamic, moving from classic technologies to modern solutions like horizontal drilling and fracturing that revitalized mature deposits.

Entrepreneurs operating here face challenges related to oil price volatility, strict environmental regulations, and the need for constant investment in high-performance equipment. Nevertheless, demand for quality services remains high, especially amid the energy transition and exploration of new resources in the Black Sea.

This macro-category includes both small specialized service companies and large multinational corporations; collaboration among them is key to success in responsible natural resource exploitation.