Technical EIA Guidance Manual for Oil and Gas Exploration Industry It is known as the practice of supplying information on the environmental modules, as shown in figure 3-12, include a derrick, drilling mud handling equipment,. EIA. U.S. Energy Information Administration (DOE). EOR enhanced oil recovery. EPA Figure A-16. Diagram of solar module electricity generation . That imbalance in domestic supply of and demand for natural gas began to change.