1986
DOI: 10.2118/13894-pa
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A Comprehensive Fracture Diagnostics Experiment: Part 2— Comparison of Fracture Azimuth Measuring Procedures

Abstract: Summary A great deal of effort has been devoted to finding geophysical techniques for measuring the hydraulic fracture azimuth. This paper discusses a comparison of seven different measurements to determine the azimuth in a sandstone formation at a depth of 1,050 ft [320 m]. The azimuth was determined as N95E, but significant differences existed between some of the results. This is of fundamental importance because in developing new measurements, the limits of these must be found and honored.… Show more

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Cited by 16 publications
(7 citation statements)
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“…This fluid had a hydroxypropyl guar polymer loading of 50 Ibm/1,000 gal [5991 g/m 3 ] with a borate crosslinking system. 3 The tiltmeters also showed the breakout of a horizontal fracture centered around the vertical fracture, coinciding with the high BHP response to the arrival of the crosslinked gel. time is given in Fig.…”
Section: Moundsmentioning
confidence: 79%
See 3 more Smart Citations
“…This fluid had a hydroxypropyl guar polymer loading of 50 Ibm/1,000 gal [5991 g/m 3 ] with a borate crosslinking system. 3 The tiltmeters also showed the breakout of a horizontal fracture centered around the vertical fracture, coinciding with the high BHP response to the arrival of the crosslinked gel. time is given in Fig.…”
Section: Moundsmentioning
confidence: 79%
“…3 (This was the only real-time diagnostic method used for this test). Twelve biaxial tiltmeters were installed in a circle 760 ft [232 m] in diameter about the 414 treatment well.…”
Section: Moundsmentioning
confidence: 99%
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“…Determination of the orientation of the stress field is calculated from the principal strain orientations measured during relaxation of the core (Teufel, 1982;Teufel and Warpinski, 1984;Smith et al, 1986;Warpinski and Teufel, 1989b). Determination of the stress magnitudes is more complicated and relies on one of two models.…”
Section: Asr Test Layoutrrheorymentioning
confidence: 99%