This past April in Texas, Schlumberger was asked by a client to do something it had never done before: hydraulically fracture two multistage horizontal wells at the same time using only a single pressure-pumping fleet.
When the experiment was over, Schlumberger had completed the wells 10 days earlier than it would have by using a standard zipper fracture approach. For the client—a pure-play Eagle Ford Shale producer named Sundance Energy—the approach removed about $500,000 from the total project cost.
The industry’s largest provider of well stimulation services by total horsepower calls the tactic simultaneous fracturing. Other service companies are touting the approach too, sometimes using less formal names that include “dual-stim,” “simul-stim,” and “double-barrel fracturing.”
For shale producers, the ability to pump two wells using roughly the same equipment spread it takes to stimulate one offers a clear route to achieving savings at scale on rental and personnel costs.
For the North American service companies, the emerged method represents a new way to win work amidst a historically tight pressure-pumping market.
https://pubs.spe.org/en/jpt/jpt-article-detail/?art=7338
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