A leading geologist has warned that plans for lower-volume fracking in northern England could cause earthquakes as large and unpredictable as high volume operations.

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 ...

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 ...

Concerns are growing that the government’s pledge to ‘ban fracking for good’ won’t live up to local communities’ expectations says climate action group Friends of the Earth.