Unconventional Resources

Tech Paper: Acid Fracturing Tight Gas Carbonates Reservoirs Using CO2 to Assist Stimulation Fluids

An Alternative to Less Water Consumption while Maintaining Productivity Conventional hydraulic fracture stimulation technique has been widely used to enhance the production from tight gas reservoirs. Since the initial use of this method to increase production rates, the industry has seen a continue advancement in fracturing theory, fluids and techniques. The use of carbon dioxide (CO2) since early in the 1960’s has continued to be significant part of these advances. CO2 has...

Tech Paper: Viscosity Predictions of Viscous Oil from a Kuwait Oil Field by Low-field NMR

NMR logging allows indirect yet continuous assessment of viscosity. In-situ viscous oil viscosity estimation is critical for identifying sweet spots, selecting depths to collect samples, designing well completion and recovery strategies, and production predictions. NMR logging is the only technique that allows an indirect yet continuous assessment of viscosity. Accuracy of NMR based viscosity prediction largely depends on the robustness of the correlation.  The existing empirical...

Case Study: First Wireline Tractor Frac Sleeve Shift Saves Time

Collaborative effort results in the first wireline tractor closing of frac sleeves in half the time for three wells in Kazakhstan. CHALLENGE – When Karachaganak Petroleum Operating (KPO) was selecting a completion technology for three of their wells in Kazakhstan, they chose Halliburton solutions that provided interventionless multistage fracturing operation. During the operation, the RapidShift® system sleeves needed to be shifted. Using conventional coiled tubing to shift...

Case Study: New Technology Saves Client Time in the Colorado DJ-Basin

Halliburton used new technology to increase perforating efficiency and optimize stimulation for our client in the Denver-Julesburg (DJ) basin. CHALLENGE – Synergy Resources in Colorado, United States, needed to avoid additional coiled tubing gun runs, increase proppant placement and reduce water consumption while drilling and completing wells in the DJ basin. SOLUTION – In an innovative performance, Halliburton deployed three new technologies: Pump-Down Visualization (PDV) service;...

Case Study: Coring System Without Jamming in Oklahoma

Halliburton’s RockStrong™ Coring system delivered record-setting 693 ft of continuous formation material without jamming, minimizing overall time. CHALLENGE – A major operator in Oklahoma, United States, needed to obtain continuous core lengths without jamming, improve operational efficiency and sample recovery rates, and acquire samples in a cost-effective way, while minimizing overall time in their formation. SOLUTION – In a record-setting performance, Halliburton deployed RockStrong™ coring system...

Case Study: Canadian Client Needed Reliable Zonal Isolation

The time-saving solution saved the operator an estimated $20,000 and allowed them to quickly move forward with stimulating the well. CHALLENGE – A major operator in Canada wanted to use multistage stimulation to optimize production in their 8,800 ft openhole horizontal lateral. Well conditions required a completion system that could withstand well temperatures up to 185°F/85°C, was robust enough to traverse long 90 degree openhole horizontal lengths,...

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