05.07.2009

Pertaining to a sedimentary rock, such as sandstone or limestone, that contains only minimal amounts of clay minerals. Clean reservoir rocks typically have better porosity and permeability than dirty rocks whose pores are clogged with fine clay particles

An exploration project is commercial if the degree of commitment is such that the accumulation is expected to be developed and placed on production within a reasonable time frame. A reasonable time frame for the initiation of development depends on the specific circumstances but, in general, should be limited to around 5 years.

Refined products such as kerosene, gasoline, home heating oil, and jet fuel carried by tankers, barges, and tank cars. All refined products except bunker fuels, residual fuel oil, asphalt, and coke.

An oil or gas field which is deemed can be produced commercially, namely that the hydrocarbons can be produced and brought to market at a price which will make the project commercially interesting.

A commercial well according to the Israeli MNI is defined as a well in which the total investment required to produce the energy is lower than the value of the oil or gas that can be actually sold.

Costs incurred in order to retain exploration and property rights after acquisition but before production has occurred. Such costs include legal costs for title defense, ad valorem taxes on non producing mineral properties, shut-in royalties, and delay rentals

Chevron is one of the world’s largest (fourth largest non government company) integrated energy companies. Headquartered in San Ramon, California, they conduct business in more than 100 countries. Chevron is engaged in every aspect of the oil and natural gas industry, including exploration and production, manufacturing, marketing and transportation, chemicals manufacturing and sales, geothermal, and power generation. We’re also investing in renewables and advanced technologies. Chevron was originally known as the Standard oil of California or Socal

Gas produced with oil from an oil well as distinguished from gas from a gas well. The casinghead gas is taken off at the top of the well or at the separator

This is an assistant vessel used during seismic survey operations to provide services to the survey vessel. Services include providing provisions, evacuating crew from the vessel to the nearest port, keeping fishing boats and other boats away from the survey vessel’s cable towed behind the boat, and any other maritime service that can be carried out more quickly and more cheaply by a small motor boat than by a large survey vessel