Arkose

A raw, coarse-grained sandstone, deposited very near the rocks that create its sediments. Arkose consists of quartz along with a significant proportion of feldspar, a mineral that usually degrades quickly into clay. Its mineral grains are generally angular rather than smooth and rounded, a sign that they were transported only a short distance from their …

Ampal American Israel Corp

Ampal-American Israel Corporation has over 60 years of experience in managing investments in Israel. Since 2002, Mr. Yosef A. Maiman has been the controlling shareholder. East Mediterranean Gas Company (EMG), an Egyptian joint stock company, organized in accordance with the Egyptian Special Free Zones system, has been granted the right to export natural gas from …

Aquifer (gas storage)

Aquifers are underground porous, permeable rock formations that act as natural water reservoirs. However, in certain situations, these water containing formations may be reconditioned and used as natural gas storage facilities. As they are more expensive to develop than depleted reservoirs, these types of storage facilities are usually used only in areas where there are …

Acreage

An area, measured in acres, that is subject to ownership or control by those holding total or fractional shares of working interests. In a well balanced portfolio of a mature O&G company acreage will represent between 10-20% of its overall portfolio value. The value of the acreage is based on such matters as location, water …