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achtung: exploration 101

according to Mr. Wiki;

Hydrocarbon exploration (or oil and gas exploration) is the search by petroleum geologists and geophysicists for hydrocarbondeposits beneath the Earth’s surface, such as oil and natural gas. Oil and gas exploration are grouped under the science of petroleum geology.

Visible surface features such as oil seeps, natural gas seeps, pockmarks (underwater craters caused by escaping gas) provide basic evidence of hydrocarbon generation (be it shallow or deep in the Earth). However, most exploration depends on highly sophisticated technology to detect and determine the extent of these deposits using exploration geophysics. Areas thought to contain hydrocarbons are initially subjected to a gravity survey, magnetic survey, passive seismic or regional seismic reflection surveys to detect large scale features of the sub-surface geology. Features of interest (known as leads) are subjected to more detailed seismic surveys which work on the principle of the time it takes for reflected sound waves to travel through matter (rock) of varying densities and using the process of depth conversion to create a profile of the substructure. Finally, when a prospect has been identified and evaluated and passes the oil company’s selection criteria, an exploration well is drilled in an attempt to conclusively determine the presence or absence of oil or gas.

Oil exploration is an expensive, high-risk operation. Offshore and remote area exploration is generally only undertaken by very large corporations or national governments. Typical Shallow shelf oil wells (e.g. North sea) cost USD$10 – 30 Million, while deep water wells can cost up to USD$100 million plus. Hundreds of smaller companies search for onshore hydrocarbon deposits worldwide, with some wells costing as little as USD$100,000.

back to school. gotta have that beg sekola ben 10 beroda. complete w/ sailormoon pencil case & fancy sharpener. kui kui kui.

3 thoughts on “dummy

  1. azra says:

    pomss.. asal tukar? susah dowh carik blog baru ko.

  2. tyiara says:

    poop.

    i just pooped at your blog.

  3. ein asari says:

    azra: so that i look and sound more mature. bahahahahah. not. semi mid-life crisis.

    tyiara: i love poopers like you. you made my life somewhat stinks. hail to the poopers.🙂 xxOXooX

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