Stimulate Naturally Fractured Reservoirs
MaxCO3 Acid degradable diversion acid is an effective single-step, self-diverting stimulation system that incorporates dissolvable fiber and nondamaging acid. The hydrochloric acid (HCl)-based system offers stimulation and then flow restriction for diversion. The interlocking fiber network blocks fluid during the stimulation job, yet dissolves completely with time, allowing poststimulated production contribution from diverted areas. Able to be bullheaded or deployed with coiled tubing (CT), the MaxCO3 Acid system can be used in openhole or cased hole completions for many applications.
Damage-prone formation in North Dakota
To stimulate a 4,800-ft lateral in the Bluell formation (prone to damage from drilling mud leakoff), the MaxCO3 Acid system was implemented for superior diversion. It improved leakoff control such that after-treatment production increased 500%—to more than 300 bbl/d from just 50. Read case study
Thick carbonate in Qatar
Uniformly stimulating the thick, heterogenic Khuff formation proved challenging for an operator. The company used MaxCO3 Acid degradable diversion for 11 treatments in the North field and consistently stimulated each zone. Treatment volumes were reduced by up to 50%, and rig and operational time were reduced by 30%. Read case study
Naturally fractured carbonate in the Caspian region
The MaxCO3 Acid system was used to optimize stimulation for a horizontal openhole lateral. The technique created and diverted multiple fractures and controlled fluid loss, resulting in a production increase twice what the operator anticipated. Read case study
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