RADIOACTIVE TRACERS OFFER A CLOSER LOOK AT HORIZONTAL COMPLETIONS
Radioactive Tracers Offer a Closer Look at Horizontal Completions, David Holcomb World Oil, November 1991.
Completion techniques can be analyzed using gamma ray emitting isotopes and spectral gamma ray logging. Examples of Austin Chalk and Bakken Shale evaluations show how operators can qualitatively compare stimulation and diversion effectiveness, and completion methods by using tracer technology.
Radioactive tracer tagging during stimulation treatments on vertical wells has been in use for many years and applications have been discussed in literature. More recently, multiple radioactive tracers have been employed to help evaluate various aspects of well stimulation. They have become standard industry practice for evaluation of treatment containment, fracture height growth, channeling behind casing, fracture initiation from perforations, diversion, and acid or proppant distribution.
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