Browsing by Subject "well testing"
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Item Evaluation of the J. Friemel #1 Vertical Well Tests, Deaf Smith County, Palo Duro Basin, Texas Panhandle(1984) Smith, D. AndersonThis report describes the vertical well test in the Wolfcamp interval of the J. Friemel #1 hydrologic test well. Included are (1) purpose of the test, (2) test approach, (3) "what went right with the test," (4) "what went wrong with the test," and (5) what should be done differently next time. Purpose of the Test The overall purpose of performing the vertical well test was to begin to estimate the importance of fracture permeability in the regional flow system. This aspect of the regional flow system has not been tested in either field tests or modeling exercises. It is probable that there is vertical fluid movement through the various hydrologic units of the Palo Duro Basin. Within each of the hydrologic units as well as across formation boundaries vertical flow may be through fractures. The purpose of this test was to assess the importance of fracture permeability between two porous Wolfcamp carbonate intervals.Item Hyrdologic Test Data, J. Friemel #1 Well, Deaf Smith County, Palo Duro Basin, Texas Panhandle(1984) Smith, D. AndersonThe following report provides the hydraulic conductivity and head values of eight zones in the DOE-SWEC J. Friemel #1 well, as determined from pump test and drill-stem test data. The results are presented in tabulated form first, followed by the calculations performed to obtain the results.Item Recommendations on Testing Procedures at the Gladys McCall and Pleasant Bayou GeoPressured Test Wells(1987) Light, M. P. R.Nine possible testing procedures for the Gladys McCall and Pleasant Bayou geopressured fields are listed. Evidence is presented that shows that reduction in salinity due to shale water addition to Gladys McCall formation waters can be measured over a 2-year period, but water analyses will need to be done under strictly controlled laboratory conditions. Sidetrack coring of geopressured reservoirs after production appears to be the most effective way of estimating total volumes of compaction and shale water recharge of geopressured formations. Sidetrack coring of the Andrau ('C') sandstone in the Pleasant Bayou No. 2 well will provide the maximum amount of information on post-production changes in shales and sandstones. Three preferred testing procedures are suggested in order of decreasing scientific payback and cost. The best testing procedure is to continue testing the Gladys McCall well for 2 years, then to cut a sidetrack core and plug and abandon the well. At the same time, a sidetrack core must be cut in the Pleasant Bayou well and then plugged and abandoned. The total cost of these tests will be several million dollars. The next best testing procedure that will provide a large scientific payback is to cut sidetrack cores and then plug and abandon both the Gladys McCall and Pleasant Bayou wells at a cost of about $1.1 million. The last testing procedure, which will also provide a large scientific payback, is to cut a sidetrack core and plug and abandon Pleasant Bayou, and then plug and abandon Gladys McCall at a cost of about $600,000.