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  2. Electrical resistivity measurement of concrete - Wikipedia

    en.wikipedia.org/wiki/Electrical_resistivity...

    These values have to be used cautiously as there is strong evidence that chloride diffusion and surface electrical resistivity is dependent on other factors such as mix composition and age. [6] The electrical resistivity of the concrete cover layer decreases due to: [7] Increasing concrete water content; Increasing concrete porosity; Increasing ...

  3. Baker Hughes - Wikipedia

    en.wikipedia.org/wiki/Baker_Hughes

    Baker Hughes Company is an American global energy technology company co-headquartered in Houston, Texas and London, UK.As one of the world's largest oil field services, industrial and energy technology companies, it provides products and services to the oil and gas industry for exploration and production, as well as other energy and industrial applications.

  4. BJ Energy Solutions - Wikipedia

    en.wikipedia.org/wiki/BJ_Energy_Solutions

    BJ Services in 2017 began operating as an independent joint venture after Baker Hughes sold a 53.3 percent stake in the hydraulic fracturing and cementing business to private equity firm CSL Capital Management and Goldman Sachs’ West Street Energy Partners for $325 million. [6] On 20 July 2020, BJ Services filed Chapter 11 bankruptcy. [7]

  5. Hughes Tool Company - Wikipedia

    en.wikipedia.org/wiki/Hughes_Tool_Company

    Hughes Tool's majority stake in TWA was sold off in 1966. Two years later, in 1968, Hughes Tool Company purchased the North Las Vegas Air Terminal. In the late-1960s, Hughes Tool ventured into the hotel and casino business with the acquisition of the Sands, Castaways, Landmark, Frontier, Silver Slipper, and Desert Inn, all in Las Vegas.

  6. Is Baker Hughes' Growth for Real? - AOL

    www.aol.com/news/2011-08-11-is-baker-hughes...

    Baker Hughes has an intangible assets ratio of 32%. This is well above Heiserman's threshold, and you should keep a close eye on just how the company is fueling its growth.

  7. Resistivity logging - Wikipedia

    en.wikipedia.org/wiki/Resistivity_logging

    For this reason, several resistivity tools with different investigation lengths are used to measure the formation resistivity. If water based mud is used and oil is displaced, "deeper" resistivity logs (or those of the "intact zone" sufficiently away from the borehole disturbed zone) will show lower conductivity than the invaded zone. If oil ...

  8. Measurement while drilling - Wikipedia

    en.wikipedia.org/wiki/Measurement_while_drilling

    For example, if the tool fails at 1,500 ft (460 m) while drilling with a triple rig (able to trip 3 joints of pipe, or about 90 ft (30 m) feet, at a time), then it would generally be faster to pull the tool out of the hole than it would be to rig up wireline and retrieve the tool, especially if the wireline unit must be transported to the rig.

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