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Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 3:23pm On Aug 11, 2020

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Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 5:59pm On Aug 06, 2020

Thanks God for today work at Elekuru, Ijokodo Ibadan. Oyo State

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 7:18am On Aug 05, 2020

Thanks for viewing our post on nairaland, we are still expecting your call or Whatsapp chat and we are available to serve you better and render our services to you.
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Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 9:01pm On Aug 04, 2020

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Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 6:43am On Jul 24, 2020

ADVANTAGES OF GEOPHYSICAL TEST
Geophysical testing offers some notable advantages and some disadvantages that should be considered before the technique is recommended for a specific application. The advantages are summarized as follows:

Many geophysical tests are non-invasive and thus offer significant benefits in cases where conventional drilling, testing, and sampling are difficult (e.g., deposits of gravel, talus deposits) or where potentially contaminated soils may occur in the subsurface.
In general, geophysical testing covers a relatively large area, thus providing the opportunity to characterize large areas with few tests. It is particularly well-suited to projects that have large longitudinal extent compared to lateral extent (such as for new highway construction).
Geophysical measurement assesses the characteristics of soil and rock at very small strains, typically on the order of 0.001 percent thus providing information on truly elastic properties.
For the purpose of obtaining information on the subsurface, geophysical methods are relatively inexpensive when considering cost relative to the relatively large areas over which information can be obtained.

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 10:48am On Jul 19, 2020

Electrical Properties of Rocks

All materials, including soil and rock, have an intrinsic property, resistivity, that governs the relation between the current density and the gradient of the electrical potential. Variations in the resistivity of earth materials, either vertically or laterally, produce variations in the relations between the applied current and the potential distribution as measured on the surface, and thereby reveal something about the composition, extent, and physical properties of the subsurface materials. The various electrical geophysical techniques distinguish materials through whatever contrast exists in their electrical properties. Materials that differ geologically, such as described in a lithologic log from a drill hole, may or may not differ electrically and, therefore, may or may not be distinguished by an electrical resistivity survey. Properties that affect the resistivity of a soil or rock include porosity, water content, composition (clay mineral and metal content), salinity of the pore water, and grain size distribution.

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 10:45am On Jul 19, 2020

ELECTRICAL METHOD
Electrical geophysical prospecting methods detect the surface effects produced by electric current flow in the ground. Using electrical methods, one may measure potentials, currents, and electromagnetic fields that occur naturally or are introduced artificially in the ground. In addition, the measurements can be made in a variety of ways to determine a variety of results. There is a much greater variety of electrical and electromagnetic techniques available than in the other prospecting methods, where only a single field of force or anomalous property is used. Basically, however, it is the enormous variation in electrical resistivity found in different rocks and minerals that makes these techniques possible.

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 10:31am On Jul 19, 2020

SEISMIC METHOD
The seismic method is an active form of geophysical
surveying that uses elastic waves to investigate the subsurface. The waves are created by a source and propagate through the subsurface before being recorded by detectors that measure deformation of the ground.
Most seismic surveys use sources and detectors located on, or near, the Earth’s surface.

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 10:23am On Jul 19, 2020

GEOPHYSICAL TEST METHODS
Geophysical test is often used as part of the initial site exploration phase of a project and/or to provide supplementary information collected by widely-spaced observations (i.e., borings, test pits, outcrops etc.). Geophysical testing can be used for establishing stratification of subsurface materials, the profile of the top of bedrock, depth to groundwater, limits of types of soil deposits, rippability of hard soil and rock, and the presence of voids, buried pipes, and depths of existing foundations. Data from geophysical testing should always be correlated with information from direct methods of exploration.

There are a number of different geophysical in-situ tests that can be used for stratigraphic information and in the determination of engineering properties. The two most common methods are:

Seismic Methods
Electrical Methods

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 7:21am On Jul 08, 2020

Good morning ladies and gentlemen.
What are the barriers you are having with your bore hole?
Bring or ask all the questions regarded to bore hole, water contamination here and let put you through and everything will be solve. Because an adage says" A problem share is a problem solve"
Contact or Whatsapp 08168560502
This are digital image scanning of the soil and groundwater potential.

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 10:00am On Jun 30, 2020

Good morning followers. This is the pump test after drilling of bore hole.

https://www.youtube.com/watch?v=FnwjwHNVjNA

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 7:55am On Jun 19, 2020

Happy Jumat. TGIF.

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 5:48pm On Jun 18, 2020

https://www.youtube.com/watch?v=CAJ8eJMx0-c

This is 2D and 3D imaging of Magneto - Telluric equipment.

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 5:40pm On Jun 18, 2020

Let handle your Geophysical Investigation /Survey with Digital Geophysical Investigation equipment.
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Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 9:50pm On Jun 08, 2020

Let handle your Geophysical Exploration such geophysical Investigation /Survey for Bore Hole Drilling, Installation of submersible pump, surface pump and maintenance. Contact 08168560502 or Whatsapp

Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 8:13am On May 25, 2020

Good morning, we are available for your Geophysical Exploration.

Properties › Re: General Topic Thread-To Discuss Anything And Everything in Building Construction by Odbas(m): 1:20pm On Mar 16, 2020

Good Day everyone, Let handle your Geophysical Exploration such geophysical Investigation /Survey, Drilling, Installation of submersible pump, surface pump and maintenance. I'm here to inform the engineers, builders, house owners to engage me for your service. Contact 08114178911 or Whatsapp.
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Properties › Re: Discussion About Geophysical Investigation For Borehole Drilling And Others. by Odbas(op): 1:13pm On Mar 16, 2020*

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Properties › Re: General Topic Thread-To Discuss Anything And Everything in Building Construction by Odbas(m): 11:57am On Mar 08, 2020

Properties › Re: General Topic Thread-To Discuss Anything And Everything in Building Construction by Odbas(m): 7:17pm On Mar 02, 2020*

Good evening everyone, Let handle your Geophysical Exploration such geophysical Investigation /Survey, Drilling, Installation of submersible pump, surface pump and maintenance. I'm here to inform the engineers, builder, house owners to engage me for your service. Contact 08168560502 or Whatsapp

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Properties › Re: Lands And Houses In Estates For Sale At Choice Places In Lagos. by Odbas(m): 10:23pm On Mar 01, 2020

chidiogo123:
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Alright

Properties › Re: Welcome To Urban Prime One,abraham Adesanya!!welcome Home!! by Odbas(m): 8:28pm On Mar 01, 2020

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1 2 3 4 5 6 7 8 9 10 11 12 13 (of 13 pages)