Seismic Data Acquisition | 3d Seismic Data Acquisition | Pcmcia Data Acquisition | Naeva Geophysics | Pc104 Data Acquisition | Digatron Data Acquisition | Traqmate Data Acquisition | Paradigm Geophysical Corp



Seismic Data Acquisition




Seismic Data Acquisition System For Design & Implementation Using PC104


The system for seismic data acquisition converting from analog to digital data has been integrated in order to develop an acquisition device. Contrary to digitizers currently used seismic data acquisition using PC-104 or industrial personal computers have been able to produce a more affordable digitizer (i.e. an analog to digital converter) which is proven to be able to overcome issues such as portability, efficiency and durability.

PC104 which was used in the study was Arbor production with Emcore n511 serial number within the operating system and the programming languages were DOS 6.02 and C respectively. This research resulted in the design of a prototype device which was based on PC104 and it created a program to record seismic data.

The program was compiled using Microsoft's Windows XP operating system using Borland C 5.02 software. The input range of the data acquisition system that was tested is ± 10V.

The performance test results showed a resolution of ±0.915 mV, a linearity of 0.2% full-scale reading, instrument work noise was ±1.2 mV with a maximum frequency distortion of 2%.

The instrument performed well at a rate of between 10 Hz to 5000 Hz. but the software had a limited capacity of only 1000 Hz. From the results of a comparative tests with Digitizer Güralp Type CGM-DM16R8, the value of the RMS error was 4.64%.


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Tackling Complex Reservoirs Through Systematic Petrographic Characterization

By Luiz Fernando De Ros
Despite the spectacular advances in seismic and log acquisition and interpretation, and in 3D and 4D modeling, the risks involved in the exploration of new, deeper, depositional, tectonic or diagenetically-complex prospects remain large. This, essentially because these sophisticated methods simply lack information on an essential part of petroleum systems: the reservoir. Most new prospects represent clastic or carbonate rocks with strong diagenesis.
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Documenting Visual Quality Controls on the Evaluation of Petroleum Reservoir-Rocks Through Ontology

By Felipe Ingletto Victoreti
The understanding of these controls is essential for the construction of models for the systematic characterization and prediction of the quality (porosity, permeability) of petroleum reservoirs during their exploration and production. The description and documentation of key petrographic features is an important tool for the evaluation of reservoir quality that try to minimize the uncertainty associated to visual recognition of the features.
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Multifamily Demographics: Big Easy Patterns

By John Wilhoit Jr
Since the turn of the century the U.S. population has grown almost ten percentage points. That's a lot of heads in beds! Recognizing a full one third of the population rents, how do we find these new customers for multifamily property owners? Where are all these new people? Let's find some clues in demographic pattern recognition.
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Partners & Suppliers in the Oil & Gas Services Sector - Part 1

By Hans Bool
There are 16 companies in this (sub) sector, most of them of Norwegian origin, two from the Netherlands and three from Britain, two from France and one from Italy. These companies have been selected from a sector overview of Goldman Sachs, focused on European companies as part of portfolio of a single analyst.
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Seismic Data Acquisition | 3d Seismic Data Acquisition | Pcmcia Data Acquisition | Naeva Geophysics | Pc104 Data Acquisition | Digatron Data Acquisition | Traqmate Data Acquisition | Paradigm Geophysical Corp