Number | Name | Date | Kind |
---|---|---|---|
4507055 | Fair et al. | Mar 1985 | |
5547029 | Rubbo et al. | Aug 1996 | |
5699246 | Plasek et al. | Dec 1997 |
Entry |
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L. G. Alexander, "Determination of the Gas-Free Liquid Level and the Annular Gas Flow Rate For a Pumping Well", Apr.-Jun., 1976, The Journal of Canadian Petroleum, pp. 66-70. |
James N. McCoy, "Analyzing well performance X", Apr.-Jun., 1978, The Journal of Canadian Petroleum, pp. 80-91. |
E. R. Brownscombe, "Afterflows and Buildup Interpretation on Pumping Wells", Feb, 1982, Society of Petroleum Engineers, pp. 397-405. |