string shot


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string shot

[′striŋ ‚shät]
(petroleum engineering)
An oil-well stimulation technique in which a string of explosive (for example, Prima Cord) is hung opposite to the producing zone down a wellbore and detonated; used to remove deposits (gypsum, mud, or paraffin) from the formation face.
References in periodicals archive ?
Fran Garrott struck gold in the A string javelin with a throw of 37.86m and won the B string shot (8.07m).
Garrott repeated her success in the javelein (34.63m) and won the B string shot (8.09m).
Dowson made it four wins out of four in the A string shot, discus and hammer as well as a personal best of 46.96 metres in the B javelin.
Steve Birse made a fine return to competition winning the javelin with a distance of 45.21m, and the B string shot putt.
BIRMINGHAM will make a pounds 4m move for Manchester United second string shot stopper Ben Foster.
Bajwa also came second in the A string shot, while Glen Blenkinsopp maintained his unbeaten run in the pole vault and finished third in the javelin.
Passive seismic monitoring relies on calibration from perforations or string shots at known positions to orient downhole 3C receivers (e.g., Maxwell et al., 2010) and calibrate the velocity model for surface (Duncan and Eisner, 2010) or downhole (Bulant et al., 2007 or Bardainne and Gaucher, 2010) monitoring.
In borehole monitoring perforations or string shots usually have higher P-wave amplitudes compared to microseismic events.
Aiken struggled to string shots together but proved no match for the Walker represrentative's consistent drawing play.
That rifle showed a tendency to string shots vertically, and everything I read said glass bedding the action would likely cure that.
Everything else I tested averaged two inches or more and had the frustrating tendency to string shots horizontally or vertically, indicating a bedding problem: an easy fix if you are so inclined.