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Heterogeneous Carbonate Rock Diverting Acidizing
Enhancing production in heterogeneous carbonate rock reservoirs with severe heterogeneity and well-developed natural fractures is a highly challenging operation. These challenges stem from the need to meet the acid formulation requirements for deep-buried, high-temperature carbonate rock reservoirs, the associated drilling techniques, and well-completion requirements that satisfy isolation and acidizing demands. The Heterogeneous Carbonate Rock Diverting Acidizing Technology can meet these operational requirements, and our company has developed mature diverting acidizing product formulations, with over 100 successful operations to date.
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Technical Details
Recommended Formulation
Hydrochloric Acid 20% Diverting agent 4.5%~8% High-Temperature Corrosion Inhibitor 4% Iron Ion Stabilizer 1%

Heterogeneous Carbonate Rock Diverting Acidizing Technology
Fresh Acid Apparent Viscosity ≥ 3mPa·s
Peak Viscosity
 ≥ 210mPa·s
Surface Tension of Gel-Breaker Fluid for Residual Acid ≤ 33mN/m
Dynamic Viscosity of Gel-Breaker Fluid for Residual Acid ≤ 5mm 2/s
Corrosion Meets industry-standard corrosion requirements


Technology Overview



Enhancing production in heterogeneous carbonate rock reservoirs with severe heterogeneity and well-developed natural fractures is a highly challenging operation. These challenges stem from the need to meet the acid formulation requirements for deep-buried, high-temperature carbonate rock reservoirs, the associated drilling techniques, and well-completion requirements that satisfy isolation and acidizing demands. The Heterogeneous Carbonate Rock Diverting Acidizing Technology can meet these operational requirements, and our company has developed mature diverting acidizing product formulations, with over 100 successful operations to date.

Case Studies
Diverting Acid Performance
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Y257R-103-70 Dissolvable Bridge Plug
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Deep High-Pressure Acidizing
Fracturing Composite Temporary Plugging
Slickwater Fracturing
Acidizing Composite Temporary Plugging
Formation Damage Nano Repair
Heterogeneous Carbonate Rock Diverting Acidizing
Dissolvable Bridge Plug
Low Friction Acidizing
Anti-Sedimentation Fibers
Intelligent Perforation and Segment Fracturing
Conventional Wellbore Fracturing
Soluble Plug Staging Technology
Permanent Wellbore Completion
Instant-Soluble, Delayed-Crosslinking Guanidine-Based Fracturing Fluid
Gelled Acid Fracturing Technology
Variable Viscosity Fracturing Fluid System
Deep-Erosion Subterranean Acid
Quantum Dot Tracer
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