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A record of one or more in-situ measurements that describe the nature and behavior of fluids in or around the borehole during production or injection. Production logs are run for the purpose of analyzing dynamic well performance and the productivity or injectivity of different zones, diagnosing problem wells, or monitoring the results of a stimulation or completion. The term is sometimes extended to include logs run to measure the physical condition of the well, for example cement bond and corrosion logs.
The earliest production logs consisted of temperature logs (1930s) and flowmeters (1940s), to which were soon added fluid-density and capacitance logs (1950s). Flow-rate measurements were gradually improved by the development of tracer logs and improvement to the basic spinner flowmeter.
These techniques were adequate for near-vertical wells with single or biphasic flow, but could be misleading in highly deviated, and especially horizontal, wells. New techniques were developed starting in the 1980s. These techniques focused on local probes to measure holdup at different points in the borehole, nuclear techniques to analyze the total holdup of all three phases, and phase-velocity logs for the analysis of individual fluids. At the same time, complex flow structures and flow regimes have been studied more extensively using flow loops.
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Describe the economic activities in each colonial region,Northern,Middle, Southern?
middle: Logging, shipbuilding, textiles production, and papermaking northern:
The affects logging has on the environment?
Logging has a negative affect on the environment. This is because it releases greenhouse gases and destroys habitats. It also depletes oxygen production.
What is the significance of logging restrictions?
Logging restrictions are a source of particular concern to the industry, as they directly influence the price and availability of millwork establishments' primary production materials.
What has the author Richard R Aubuchon written?
Richard R. Aubuchon has written: 'Compendium of cable yarding production equations' -- subject(s): Logging, Skyline, Skyline Logging
Has logging in the Pacific Northwest been reduced?
The Pacific Northwest has accounted for a shrinking portion of the nation's production.
What does Canada get most of its wealth from?
Oil, Gas and logging are dominant there. Manufacturing and auto production are also important.
What is well logging?
Well logging is the process of acquiring and recording data about the geologic formations and properties of a wellbore. It involves using tools to measure characteristics such as rock density, porosity, permeability, and fluid saturation to evaluate the potential for oil or gas production in a reservoir. Well logging is crucial for understanding the subsurface and making informed decisions during drilling and production operations.
What are the byproducts of logging?
The byproducts of logging include wood chips, sawdust, bark, and tree branches, which can be used for various purposes such as mulch, biomass fuel, or in the production of composite materials. Additionally, logging can lead to environmental byproducts like soil erosion, habitat disruption, and changes in local ecosystems. Sustainable logging practices aim to minimize these negative impacts while maximizing the utility of byproducts.
What are some of the logging companies?
Swan River Logging Company and Malaysian logging companies are examples of the logging countries.
Why is there logging?
There is logging because we need paper and other wood resources. But why exactly do we have logging? If you love logging or hate logging then you should do something about that cause if yo never wanted logging to exist I'm with you. I hate logging. That doesn't mean you have to though. If you love logging then make more logging happen. Have a debate with your class about this. Hope you liked my answer!
What is indiscriminate logging?
indiscriminate logging
What does the term Java logging mean?
Java logging is data logging for the Java platform. Logging is a term in software for recording activity. Therefore Java logging is recording activity for Java.
