CDR is the name of the Bosch CDR Tool enabling the retrieval of Event Data Recorder (EDR) data from a vehicle that has been involved in a crash. This tool is made up of hardware and software which provides the ability to “image”, “download”, or “retrieve” EDR data that may be stored in the control modules of passenger cars, light. Hubbell Power Systems, Inc. manufactures a wide variety of Quazite FRP, formerly knows as CDR™, polymer concrete and fiber-reinforced polymer enclosures. This hybrid construction, formed from a FRP shell and a polymer concrete ring and cover, delivers a strong and abriasion-resistant product suitable for your underground enclosure needs. Testing - Prior to shipment to the well site, each blowout preventer is thoroughly hydraulically and hydrostatically tested to assure its reliable performance under pressure. Weatherford offers a complete range of annular blowout preventers with bore sizes from 1 9/inches to inches and working pressures to 20, psi.
Gargantua Bank has pooled residential mortgages on houses located across the U. In addition to considering the constant default rate CDRanalysts may also look at the cumulative default rate CDXwhich reflects the total value of defaults within the pool, rather than an annualized monthly rate.
Analysts and market participants are likely to place a higher value on mortgage-backed security that has a low CDR and CDX than on one with a higher rate of defaults. Another method for evaluating losses is the Standard Default Assumption SDA model created by the Bond Market Association, but this calculation is best suited to year fixed-rate mortgages.
During the subprime meltdown ofthe SDA model vastly underestimated the true default rate as foreclosure rates hit multi-decade highs. Tools for Fundamental Analysis. Financial Analysis. Financial Ratios. Fixed Income Essentials. Your Money. Personal Finance. Your Practice. Popular Courses.
Home Ownership Mortgage. The CDR is a measure used to analyze losses within mortgage-backed securities. The oil and gas industry uses wireline logging to obtain a continuous record of a formation's rock properties. Wireline logging can be defined as Datr - Blowout (CDr) "The acquisition and analysis of geophysical data performed as a function of well bore depth, together with the provision of related services.
The measurements are made referenced to "TAH" - True Along Hole depth: these and the associated analysis can then be used to infer further properties, such as hydrocarbon saturation and formation pressureand to make further drilling and production decisions. Wireline logging is performed by lowering a 'logging tool' - or a string of one or more instruments - on the end of a wireline into an oil well or borehole and recording petrophysical properties using a variety of sensors. Logging tools developed over the years measure the natural gamma ray, electrical, acoustic, stimulated radioactive responses, electromagnetic, nuclear magnetic resonance, pressure and other properties of the rocks and their contained fluids.
For this article, they are broadly broken down by the main property that they respond to. The data itself is recorded either at surface real-time modeor in the hole memory mode to an electronic data format and then either a printed Datr - Blowout (CDr) or electronic presentation called a "well log" is provided to the client, along with an electronic copy of the raw data.
Well logging operations can either be performed during the drilling process see Logging While Drillingto provide real-time information about the formations being penetrated by the borehole, or once the well has reached Total Depth and the whole depth of the borehole can be logged. Real-time data is recorded directly against measured cable depth. Memory data is recorded against time, and then depth data is simultaneously measured against time.
The two data sets are then merged using the common time base to create an instrument response versus depth log. Memory recorded depth can also be corrected in exactly the same way as real-time corrections are made, so there should be no difference in the attainable TAH accuracy.
The measured cable depth can be derived from a number of different measurements, but is usually either recorded based on a calibrated wheel counter, or more accurately using magnetic marks which provide calibrated increments of cable length. The measurements made must then be corrected for elastic stretch and temperature. There are many types of wireline logs and they can be categorized either by their function or by the technology that they use.
Conrad and Marcel Schlumbergerwho founded Schlumberger Limited inare considered the inventors of electric well logging. Conrad developed the Schlumberger arraywhich was a technique for prospecting for metal ore deposits, and the brothers adapted that surface technique to subsurface applications.
On September 5,a crew working for Schlumberger lowered an electric sonde or tool down a well in Pechelbronn, Alsace, France creating the first well log. In modern terms, the first log was a resistivity log that could be described as 3. InHenri George Doll and G. Dechatre, working for Schlumberger, discovered that the galvanometer wiggled even when no current was being passed through the logging cables down in the well. This led to the discovery of the spontaneous potential SP which was as important as the ability to measure resistivity.
The SP effect was produced naturally by the borehole mud at the boundaries of permeable beds. By simultaneously recording SP and resistivity, loggers could distinguish between permeable oil-bearing beds and impermeable nonproducing beds. InSchlumberger invented the spontaneous potential dipmeter ; this instrument allowed the calculation of the dip and direction of the dip of a layer.
The basic dipmeter was later enhanced by the resistivity dipmeter and the continuous resistivity dipmeter Normal electric logs require a conductive or water-based mud, but OBMs are nonconductive. The solution to this problem was the induction log, developed in the late s. The introduction of the transistor and integrated circuits in the s made electric logs vastly more reliable.
Computerization allowed much faster log processing, and dramatically expanded log data-gathering capacity. The s brought more logs and computers. These included combo type logs where resistivity logs and porosity logs were recorded in one pass in the borehole. The two types of porosity logs acoustic logs and nuclear logs date originally from the s. Sonic logs grew out of technology developed during World War II. Nuclear logging has supplemented acoustic logging, but acoustic or sonic logs are still run on some combination logging tools.
Nuclear logging was initially developed to measure the natural gamma radiation emitted by underground formations. However, the industry quickly moved to logs that actively bombard rocks with nuclear particles. The gamma ray log, measuring the natural radioactivity, was introduced by Well Surveys Inc. The gamma ray log is particularly useful as shale beds which often provide a relatively low permeability cap over hydrocarbon reservoirs usually display a higher level of gamma radiation.
These logs were important because they can be used in cased wells wells with production casing. WSI quickly became part of Lane-Wells. After the discovery of nuclear magnetic resonance by Bloch and Purcell inthe nuclear magnetic resonance log using the Earth's field was developed in the early s by Chevron and Schlumberger.
More recent engineering developments by NUMAR a subsidiary of Halliburton in the s has resulted in continuous NMR logging technology which is now applied in the oil and gas, water and metal exploration industry. Many modern oil and gas wells are drilled directionally.
At first, loggers had to run their tools somehow attached to the drill pipe if the well was not vertical. Modern techniques now permit continuous information at the surface. MWD logs use mud pulse technology to transmit data from the tools on the bottom of the drillstring to the processors at the surface.
Resistivity logging measures the subsurface electrical resistivity, which is the ability to impede the flow of electric current. This helps to differentiate between formations filled with salty waters good conductors of electricity and those filled with hydrocarbons poor conductors of electricity. Resistivity and porosity measurements are used to calculate water saturation.
The distance from the borehole penetrated by the current varies with the tool, from a few centimeters to one meter. The term "borehole imaging" refers to those logging and data-processing methods that are used to produce centimeter-scale images of the borehole wall and the rocks that make it up. The context is, therefore, that of open hole, but some of the tools are closely related to their cased-hole equivalents.
Borehole imaging has been one of the most rapidly advancing technologies in wireline well logging. The applications range from detailed reservoir description through reservoir performance to enhanced hydrocarbon recovery.
Specific applications are fracture identification analysis Datr - Blowout (CDr) small-scale sedimentological features, evaluation of net pay in thinly bedded formations, and the identification of breakouts irregularities in the borehole wall that are aligned with the minimum horizontal stress and appear where stresses around the wellbore exceed the compressive strength of the rock.
Porosity logs measure the fraction or percentage of pore volume in a volume of rock. Most porosity logs use either acoustic or nuclear technology. Acoustic logs measure characteristics of sound waves propagated through the well-bore environment. Nuclear logs utilize nuclear reactions that take place in the downhole logging instrument or in the formation.
Nuclear logs include density logs and neutron logs, as well as gamma ray logs which are used for correlation. Since there is little difference in the neutrons scattered by hydrocarbons or water, the porosity measured gives a figure close to the true physical porosity whereas the figure obtained from electrical resistivity measurements is that due to the conductive formation fluid.
The difference between neutron porosity and electrical porosity measurements therefore indicates the presence of hydrocarbons in the formation fluid. The density log measures the bulk density of a formation by bombarding it with a radioactive source and measuring the resulting gamma ray count after the effects of Compton Scattering and Photoelectric absorption. This bulk density can then be used to determine porosity, Datr - Blowout (CDr).
The neutron porosity log works by bombarding a formation with high energy epithermal neutrons that lose energy through elastic scattering to near thermal levels before being absorbed by the nuclei of the formation atoms.
Depending on the particular type of neutron logging tool, either the gamma ray of capture, scattered thermal neutrons or scattered, higher energy epithermal neutrons are detected. Boron is known to cause anomalously low neutron tool count rates due to it having a high capture cross section for thermal neutron absorption.
A sonic log provides a formation interval transit time, which typically a function of lithology and rock texture but particularly porosity. The logging tool consists of a piezoelectric transmitter and receiver and Datr - Blowout (CDr) time taken to for the sound wave to travel the fixed distance between the two is recorded as an interval transit time.
A log of the natural radioactivity of the formation along the borehole, measured in API unitsparticularly useful for distinguishing between sands and shales in a siliclastic environment. In some rocks, and in particular in carbonate rocks, the contribution from uranium can be large and erratic, and can cause the carbonate to be mistaken for a shale. In this case, the carbonate gamma ray is a better indicator of shaliness. The carbonate gamma ray log is a gamma ray log from which the uranium contribution has been subtracted.
The Spontaneous Potential SP log measures the natural or spontaneous potential difference between the borehole and the surface, without any applied current. It was one of the first wireline logs to be developed, found when a single potential electrode was lowered into a well and a potential was measured relative to a fixed reference electrode at the surface. The most useful component of this potential difference is the electrochemical potential because it can cause a significant deflection in the SP response opposite permeable beds.
The magnitude of this deflection depends mainly on the salinity contrast between the drilling mud and the formation water, and Datr - Blowout (CDr) clay content of the permeable bed. Therefore, the SP log is commonly used to detect permeable beds and to estimate clay content and formation water salinity. The SP log can be used to distinguish between impermeable shale and permeable shale and porous sands.
Dec 08, · Convert Cisco CDR Date Time in C: You can use the following code in C for converting Cisco CDR date time to human readable format. Example C routine using STRFTIME. STRFTIME converts information from a time structure to a string form, and writes the string into the memory area pointed to by “string”. Oct 04, · Corporate Debt Restructuring (CDR) Meaning. Corporate Debt Restructuring (“CDR”) mechanism is a voluntary non statutory mechanism under which financial institutions and banks come together to restructure the debt of companies facing financial difficulties due to internal or external factors, in order to provide timely support to such companies. Use this tool to calculate your character's total cooldown reduction (CDR) in Diablo 3. Total Cooldown Reduction % Time Between Skill Use. s sec. Max values are only placeholders - feel free to put in whatever values you'd like. Head. Remove % Shoulder. Remove % Hands. Remove % Waist. Remove % Amulet. Remove % Ring 1. Remove % Ring 2. Remove.
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Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a liehageludedownfumetheamegilern.coinfo log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs).Some types of geophysical well logs can be done. Apr 13, · A file with liehageludedownfumetheamegilern.coinfo file extension is most likely a CorelDRAW Image file, which is a vector image created by CorelDRAW to hold text, images, effects, shapes, etc., usually for the purpose of creating letters, envelopes, web pages, banners, and other documents.
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