Core Lab welcomes Guardian Global Technologies as part of the Core Lab Team!
Click here to learn about Guardian
and their complementary next generation Production Enhancement technologies.
All too often we hear, "I can't afford to use your completion diagnostics on
this job," or "the cost of the information is too high." While our
technologies are some of the lowest-cost oilfield services available, in many cases
they are still compared to the cost of the stimulation treatment rather than to
the value they add to the reservoir.
The well at opposite illustrates an acid treatment on a well in west Texas. The
"before" image shows an initial 6,000-gal acid treatment pumped in three
equal stages with diverter between each stage. All three acid stages are in yellow
with the diverters in red (first) and blue (last). Clearly very little diversion
took place and the lower interval was not acidized.
The November-March production data indicate fairly constant production of 200 Mcf/D
and 90 BOPD. Based on the lack of acid diversion into the lower zone identified
by the tracers, a packer was then set at X890 ft and the lower interval was targeted
and reacidized in March. As you can see, the gas production was tripled and the
oil production nearly doubled with this small 3,500-gal acid treatment.\
At what cost? The tracer and SpectraScanTM image cost was nearly equal to the acid
job cost, but without the technology, how much of the reservoir's value would have
remained unrealized? The cost of technology must be applied against the incremental
reservoir value gained as a result of using the technology.
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