Search results
Results from the WOW.Com Content Network
Often the well efficiency is determined from this sort of test, this is a percentage indicating the fraction of total observed drawdown in a pumping well which is due to aquifer losses (as opposed to being due to flow through the well screen and inside the borehole). A perfectly efficient well, with perfect well screen and where the water flows ...
In subsurface hydrogeology, drawdown is the reduction in hydraulic head observed at a well in an aquifer, typically due to pumping a well as part of an aquifer test or well test. In surface water hydrology and civil engineering , drawdown refers to the lowering of the surface elevation of a body of water, the water table, the piezometric ...
Typically this equation is used to find the average T and S values near a pumping well, from drawdown data collected during an aquifer test. This is a simple form of inverse modeling, since the result ( s ) is measured in the well, r , t , and Q are observed, and values of T and S which best reproduce the measured data are put into the equation ...
There may be nearly 30 private deep-water wells within an area projected to be most impacted by the pumping of up to 6.6 million gallons per day from four newly approved utility-scale wells in ...
To obtain individual well flow rates, it is common to use a smaller test separator. This is an isolated and down-scaled processing system in parallel with the normal flows. Regularly, for example once a month per well, the flow from one and only one selected well is led into the test separator for determining well flow rate for the selected ...
Drawdown (economics), decline in the value of an investment, below its all-time high; Drawdown (hydrology), a lowering of a reservoir or a change in hydraulic head in an aquifer, typically due to pumping a well; Drawdown card, used for testing paints and coatings through wet film preparation; Drawdown chart, paper used to test various coating ...
After a 24 hour delay, BP (BP) is proceeding with an all important "integrity test" that will determine whether its damaged well in the Gulf of Mexico can be safely capped and closed prior to the ...
Hydraulic tomography (HT) is a sequential cross-hole hydraulic test followed by inversion of all the data to map the spatial distribution of aquifer hydraulic properties. . Specifically, HT involves installation of multiple wells in an aquifer, which are partitioned into several intervals along the depth using pac