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Keywords: breakdown pressure
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Proceedings Papers
A Review of Preliminary Out-Of-Sequence Pinpoint Fracturing Field Trials in North America
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kuwait Oil & Gas Show and Conference, October 13–16, 2019
Paper Number: SPE-198023-MS
... are generally higher than that of either Outside Fracs. Breakdown pressures for Centre Fracs exhibit a mixed trend, confirming that reducing stress anisotropy could lower the breakdown gradient (based on Kirsch Equation) if rock fabric permits. Well performance and treatment pressures appear to be more...
Proceedings Papers
Geomechanical Impacts of the In-Situ Stresses in the Application of Out-of-Sequence Pinpoint Fracturing
Available to PurchasePublisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Kuwait Oil & Gas Show and Conference, October 13–16, 2019
Paper Number: SPE-198120-MS
... and Discussion Solution to 3D Kirsch Equations for High and Low Stress Anisotropy Figures 2 through 5 shows the breakdown pressure gradient in kPa/m assuming a 22.6 kPa/m overburden gradient (left) and tensile fracture initiation angles (right) for 14 to 2 MPa horizontal stress anisotropy (Δσ), so...
