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Keywords: net pressureClose
SPE Prod & Oper 37 (02): 346–361.
Paper Number: SPE-205990-PA
Published: 11 May 2022
... pressures (BHPs) during acid fracturing treatment to separate these individual effects and determine the effectiveness of the treatment. Unlike propped fracturing treatments where most fracturing treatments result in net pressure gain, acid fracturing treatments seldom result in net pressure increase...
SPE Prod & Oper 35 (04): 0756–0774.
Paper Number: SPE-201104-PA
Published: 12 November 2020
... effectively inhibit HF height growth. Analyzing pressure and aperture responses during fracture/interface interaction, it is revealed that the injection net pressure in the case where an offset exists along the interface is larger than that required if the HF could propagate continuously across the interface...
SPE Prod & Oper 35 (04): 0719–0729.
Paper Number: SPE-195193-PA
Published: 12 November 2020
... petroleum engineering net pressure Simulation asymmetric fracture growth Engineering spe annual technical conference Upstream Oil & Gas Exhibition fracture propagation fracture stress barrier proppant University pressure transient analysis USA hydraulic fracture asymmetric fracture...
SPE Prod & Oper 35 (04): 0910–0928.
Paper Number: SPE-194351-PA
Published: 12 November 2020
... SPE Production acid-fracturing treatment net pressure gauge perforation job data diameter Injection Rate fracture reservoir geomechanics drilling fluid chemistry reservoir characterization drilling fluid management & disposal drilling fluid selection and formulation wellbore...
SPE Prod & Oper 33 (02): 214–234.
Paper Number: SPE-173335-PA
Published: 04 August 2017
... of the “net pressure,” and the solving of the nonlinear equations of SIF as well. In the normally stressed case, they are both acceptable, although MShale is more reliable. The discrepancy is much larger when there is abnormally high or low stress in the adjacent layers of the perforated interval. The effects...
SPE Prod & Oper 32 (04): 404–422.
Paper Number: SPE-173378-PA
Published: 13 February 2017
... fracturing fracture height pressure-history match fracture net pressure SPE Production fracture geometry hydraulic fracture Surat Basin injection test stress regime Contrasting permeabilities in coals appear to be related to the drape of the Walloons sequence over the underlying Triassic...
SPE Prod & Oper 31 (01): 47–59.
Paper Number: SPE-168600-PA
Published: 23 February 2016
... study. The results indicate that plastic and highly deforming formations exhibit greater breakdown and propagation pressure. The more plastic the formation (lower cohesion strength), the higher the net pressure required to propagate the fracture. Also, lower cohesion strength leads to shorter and wider...
SPE Prod & Oper 30 (03): 179–194.
Paper Number: SPE-168636-PA
Published: 18 August 2015
... are designed generally to achieve tip screenout, with the objective of generating high net pressures and large fracture widths that result in enhanced near-wellbore fracture conductivity. Net pressure is defined as the difference between fracture pressure and formation closure pressure. Wider fractures also...
SPE Prod & Oper 30 (02): 84–98.
Paper Number: SPE-169539-PA
Published: 01 December 2014
... rate-increase period, the wellbore is still experiencing breakdown episodes and changes in the overall net pressure and fracture-extension period. In many cases, the number of perforations open to injection changes with each increase in pump rate. The stepdown period does a better job of measuring...
SPE Prod & Oper 28 (04): 427–436.
Paper Number: SPE-163821-PA
Published: 05 November 2013
...Kan Wu; Jon E. Olson Summary Using a fully coupled (flow and mechanics) hydraulic-fracture propagation model, we investigate the critical in-situ and treatment factors controlling geometry in multiple-fracture horizontal wells. Fracture net pressure is calculated by considering continuity of flow...
SPE Prod & Oper 27 (02): 145–157.
Paper Number: SPE-142751-PA
Published: 12 April 2012
...-zone DFIT. Once the closure stress was determined, it was possible to analyze the pressure-decline data using two different methods. The first method is to match the net pressure decline (closure time) using a fracture-propagation model. This was done by adjusting the permeability...
SPE Prod & Oper 26 (04): 368–380.
Paper Number: SPE-140253-PA
Published: 22 November 2011
... Copyright 2011, Society of Petroleum Engineers Upstream Oil & Gas fracture network criterion stress anisotropy hydraulic fracturing net pressure november 2011 geometry fracture SPE Production Texas complexity Modeling & Simulation natural fracture coefficient hydraulic fracture...
SPE Prod & Oper 26 (01): 88–97.
Paper Number: SPE-128715-PA
Published: 19 January 2011
...: HF approaching, contact, and subsequent infiltration of the fault. Fracture interaction at the contact is shown to depend on four dimensionless parameters: net pressure in the HF, in-situ differential stress, relative angle between the natural fault and the HF, and friction angle of the natural fault...
SPE Prod & Oper 25 (04): 461–471.
Paper Number: SPE-119350-PA
Published: 21 October 2010
... waterfrac calculation amplification arch region pressure profile fracturing materials Upstream Oil & Gas stress Amplification closure stress SPE Production fracture hydraulic fracturing Fill Height stress condition net pressure dune dimension pressure distribution november 2010...
SPE Prod & Oper 22 (02): 216–222.
Paper Number: SPE-98171-PA
Published: 19 May 2007
... of jobs pumped in the Gulf of Mexico (GOM). With a consistent analysis procedure in place, the database, populated with numerous treatments by engineers working throughout the GOM, can be analyzed objectively. The data contained in this database include rock mechanics, net pressures, pumping trend data...
SPE Prod & Oper 17 (03): 149–159.
Paper Number: SPE-78812-PA
Published: 01 August 2002
... measured rock properties. The simulations aided in interpreting the measurements and extrapolating the results to field scale. Compared with elastic rock, plasticity induces a larger width for a given net pressure. However, the pressure to propagate fractures is only marginally increased and, in the case...
SPE Prod & Oper 17 (02): 110–121.
Paper Number: SPE-78149-PA
Published: 01 May 2002
.... Consequently, if the injection rate is greater than the leakoff rate, the fracture volume and net pressure (constant compliance) must increase. If the injection rate falls below the leakoff rate, the fracture net pressure must decrease. Although analytical equations will not replace 3D fracturing simulators...
SPE Prod & Oper 16 (04): 210–218.
Paper Number: SPE-74632-PA
Published: 01 November 2001
... geometry drillstem testing net pressure postfracture pbu test proppant drillstem/well testing reservoir pressure permeability fracture treatment pbu test well oc-1 hydraulic fracturing fracturing fluid proppant fracturing materials postfracture pbu fracture conductivity fracture...
SPE Prod & Oper 16 (03): 189–196.
Paper Number: SPE-72995-PA
Published: 01 August 2001
... is presented to investigate effects of fracturing fluids, reservoir mobility, and Young's modulus on the fluid leakoff, net pressure, and fracture propagation. Field treatment data are analyzed with the provided model, and several factors that have significant influence on treatment results are discussed...
SPE Prod & Oper 16 (01): 58–64.
Paper Number: SPE-69213-PA
Published: 01 February 2001
... 2001, Society of Petroleum Engineers surface pressure expansion crosslinked gel lt 2 net pressure injection hydrostatic head plug pressure transient testing upstream oil & gas fracture minifrac pressure decline water hammer pressure transient analysis minifrac hydrostatic...
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