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(1) (International Data Corporation, Framingham, MA, A major market research, analysis and consulting firm in the information field. Founded in 1964, it provides annual briefings and in-depth reports on all aspects of the industry. IDC is a subsidiary of the International Data Group (IDG).

(2) (Internet Database Connector) A component of Microsoft's Internet Information Server (IIS) Web server that is used to access ODBC-compliant databases. IDC uses two file types. The .IDC file contains the query statement that is sent to the database. The results of the query are placed into an HTML extension file (.HTX file) and returned to the user's browser via IIS. IDC is an ISAPI DLL named HTTPODBC.DLL.

(3) (Internet DataCenter) See telecom hotel.

(4) (Insulation Displacement Connector) A type of connector that strips off the insulation of the wire to make contact with it. The wire is pushed into the connector with a punchdown tool. See punch block.

An IDC Block
Note the "V" teeth on this 66 punch block. As the wire is pushed down into the teeth, the insulation is stripped and the wire makes contact with the conductor.
References in periodicals archive ?
incurred in connection with equipment, facilities, or structures that are not incident to or necessary for the drilling of wells (including expenditures for storing and drilling) are not intangible drilling costs.
Earnings and profits are adjusted further for certain purposes such as the treatment of intangible drilling costs, amortization of certain expenses, installment sales, and depletion.
Therefore, the costs incurred to obtain the following items would not be considered intangible drilling costs (although depreciation deductions may be available):
It's not easy to get the capital needed to go out and drill the wells so there are things like percentage depletion and intangible drilling costs, which the Obama Administration has sought to end during the last two years," said Martin Frost, a former Democratic congressman from Texas who works as a lobbyist for Polsinelli Shughart.
The next chapter reveals the story behind changes in oil and gas depletion and intangible drilling costs and how the alternative minimum tax came into being as the way to prevent taxpayers from escaping income tax liability by using "preferences.
Noncorporate independent producers also benefit from the EPA's changes to the intangible drilling costs (IDC) preference.
It should be noted that the company was able to expense its share of the vast majority of intangible drilling costs related to drilling three wells during the first half of 2007 which is reflected in the attached Statement of Revenues and Expenses and Retained Earnings as a deduction against other income.
Incentives include: tax exemptions; a duty-free import allowance for materials not available in Turkey; depreciation on fixed assets; exemption from VAT, limited to purchase of goods and services for exploration; a depletion allowance, though restricted to capitalised exploration costs, intangible drilling costs, and costs of dry-holes; the possibility of creating and/or transferring rights in licences and leases, similar to those exercisable in real property; the right to export 35% of onshore, and 45% of offshore oil production from fields discovered after January 1980; and deduction of some exploration costs from annual licence rentals.
For example, calculations for depreciation, depletion, intangible drilling costs (IDCs), and mineral exploration and development costs would have required (i) computing deductions over a series of years, (ii) present valuing these deduction streams, and (iii) comparing them to present valued book deduction streams prior to including the item into the ACE calculation.
This higher cash tax provision is due to higher oil and gas prices and certain expenses such as intangible drilling costs and net operating losses from prior periods that are not large enough to offset the cash tax liability.