Defining Perforating. Date: 08/30/2013. Perforatingâthe act of blasting holes through steel casing, cement, and formation rockâlasts only an instant, but the long-term viability of most oil and gas assets depends upon it. The technique involves carrying explosive charges downhole, where they are detonated to create tunnels that act as conduits through which reservoir fluids flow from the formation into the wellbore and up to the surface.
According to recent data compiled by the Insurance Information Institute, the average cost of comprehensive insurance in the U.S. runs around $136 per year, with a high of $266 per year in the District of Columbia, and a low of $97 per annum in Oregon.
Premiums range from around $400 to $600 a year. If you have precious artwork or other collectibles in your condo, you can take out more than $100,000 in coverage, he says. The liability portion of the condo insurance is the cheapest, according to Schuam, and can cost around $20 a year for $300,000 in liability coverage.Consider loss-assessment insurance. In addition to buying standard homeowners insurance, consider loss-assessment coverage.he liability portion of the condo insurance is the cheapest, according to Schuam, and can cost around $20 a year for $300,000 in liability coverage.