ConocoPhillips Co. (COP) comprehensively reviewed stimulation techniques and acid fracturing designs in North Sea chalks to improve its stimulation designs. The choice between matrix acidization, acid ...

Pressure, temperature and fluid composition play an important role in the amount of metals and other chemicals found in wastewaters from hydraulically fractured gas reservoirs, according to ...

Halliburton Co. has established a new section of its corporate web site devoted to hydraulic fracturing that includes information about the identity and common uses of additives in its fracing ...

Hydraulic fracturing, a widely used method for extracting oil and gas from otherwise impenetrable shale and rock formations, involves not only underground injections composed mostly of water, but also ...

The California Council on Science & Technology (“CCST”) recently released its Independent Study of well stimulation in California. The report was prepared for the California Natural Resources Agency ...

Assumptions (estimated): onshore vertical or moderately deviated oil/gas well; reservoir depth 2,000–3,000 m; stimulation type selected based on rock type (matrix acid for carbonates, HF/Mud acid for ...

I.1 Objective: Restore or increase well productivity/injectivity by removing near-wellbore damage (matrix stimulation) or creating/propagating conductive fractures ...

Many areas in the United States are currently experiencing rapid development of natural gas production wells employing the method of hydraulic fracturing to extract the gas out of shale formations.