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Anisotropy/fr

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The effects of toughness <span class="search-highlight">anisotropy</span> on the growth pattern of a hydraulic <span class="search-highlight">fr</span>...
Published: 29 January 2019
Figure 5 The effects of toughness anisotropy on the growth pattern of a hydraulic fracture. The fracture shape and the aperture distribution after 1800 seconds of injection are shown. The fracturing time is also shown in the right half of each fracture. The fractures in the same column have the sa... More
Images
The effects of toughness <span class="search-highlight">anisotropy</span> on the growth pattern of a hydraulic <span class="search-highlight">fr</span>...
Published: 29 January 2019
Figure 11 The effects of toughness anisotropy on the growth pattern of a hydraulic fracture. The fracture shape and the aperture distribution after 1800 seconds of injection are shown. The fracturing time is also shown in the right half of each fracture. The fractures in the same column have the s... More
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Effect of horizontal stress <span class="search-highlight">anisotropy</span> on fractures created by hydraulic <span class="search-highlight">fr</span>...
Published: 09 October 2017
Figure 1 Effect of horizontal stress anisotropy on fractures created by hydraulic fracturing More
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216606
...-offset and far-offset VSP processing. First-break picks sorted by offset and azimuth confirm the presence of very weak HTI anisotropy at the FRS, as observed on a single offset semi-circular walk-around VSP recorded in the injection well in 2015. Presentation Date: Wednesday, September 18, 2019 Session...
Proceedings Papers

Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-0431
... SUMMARY In this paper we develop a method of 3D inversion of tensor electric and magnetic field data in induction well-logging applications. Our method is based on the integral equation EM field formulation. An efficient Fr´echet derivative computation is achieved by applying the modified Born...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16929-Abstract
... based on pre-stack anisotropy attributes calculated by FRS software is used. By using fracture density logs calculated from image logs, an integrated fracture intensity volume is interpolated with the combined seismic volume as a trend. This fracture intensity volume is used for creating Discrete...
Proceedings Papers

Paper presented at the Latin American & Caribbean Petroleum Engineering Conference, April 15–18, 2007
Paper Number: SPE-107846-MS
... of the mobile oil (FR MO ) and of the Net Present Value (NPV) as control parameters, they will be used the Accumulated Production of Water (W p ) and the Accumulated Injection of Water (W i ). To accomplish a global analysis, it was used an economic scenario for the calculation of NPV. Economic parameters...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-GGGG
....] Swn-sh_con [Fr.] AO90 m] AO10 m] Csh [Fr.] Rsd m] Rh m] Rv m] T2 CUTOFF [ms] 1: Sw 12: S 13: S1 : erme .9: rosity Figure 10: Results obtained from anisotropy analysis in Well . Track 1: depth. Track 2: volumetric shale concentration and formation dip. Track 3: apparent resistivity curves...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0245
... to er- roneous interpretation of MCSEM data. This paper introduces a 3D inversion of MCSEM data for anisotropic distribution of conductivity based on integral formulation of the EM field equations. Simple modification of the Fr´echet derivative ex- pression allows inversion for both horizontal...
Proceedings Papers

Paper presented at the 50th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2016
Paper Number: ARMA-2016-511
... Abstract: The results obtained in the project FR-TI3/325 – Research on a thermally loaded rock - perspectives of underground thermal energy storage are presented in this paper. The project was designed to study thermal energy flow in granitic rock (tonalite), both in terms of efficiency...
Journal Articles
J Pet Technol 40 (06): 729–739.
Paper Number: SPE-15375-PA
Published: 01 June 1988
... of reservoir anisotropy, which was not included in the original work. 10 Appendix D describes the derivation of equations to calculate FR' Eq. D-6 suggests that F R depends on horizontal-well drainage radius, reH' Therefore, FR values were calculated by varying LI(2reH) from 0.1 to 0.9. This resulted in less...
Proceedings Papers

Paper presented at the International Oil Conference and Exhibition in Mexico, August 31–September 2, 2006
Paper Number: SPE-103315-MS
... Sumatera basin 0 5 10 15 20 25 30 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 Kv/Kh Fr eq ue nc y, % mode 0.0 - 0.1 mean 0.60 population 1340 Figure 4 Anisotropy distribution of sandstone core plugs from Kutai basin 0 5 10 15 20 25 30 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, August 1–3, 2016
Paper Number: URTEC-2459699-MS
... of this paper without the written consent of URTeC is prohibited. Summary The permeability anisotropy is related to the electric resistivity anisotropy and the pore throat cross-section anisotropy as, HV VH H V V H V H Fr Fr R R r r k k >< >< = >< >< = 2 2 2 2 , where the subscript H and V indicate...
Proceedings Papers

Paper presented at the Middle East Oil Show, June 9–12, 2003
Paper Number: SPE-81472-MS
... (f t) Fig. 3 Depth versus Anisotropy Ratio (R3) plot for Well-G 10 SPE 81472 Anisotropy Ratio (R1) Fr eq ue nc y 0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 Anisotropy Ratio (R 2) Fr eq ue nc y 0 10 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 90 100 110...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5857500
... to be independent of frequency. We assume that the seismic signal is Gaussian spectrum, the input amplitude spectrum S(f) and received amplitude spectrum R(f) can be give by the equation ) )( exp 2 2 2 s sfffS ) )( exp 2 2 2 R RfffR (3) where fS and fR are the centroid frequency of the input S(f...
Proceedings Papers

Paper presented at the ISRM Regional Symposium - EUROCK 2014, May 27–29, 2014
Paper Number: ISRM-EUROCK-2014-233
... 7,600 5,500 Number of 4 to 6 10 to 18 6 to 19 stages bbl/Stage 17,100 10,600 10,000 lbm 350,000 350,000 400,000 prop/Stage Rate 70 to 80 70 80 (bbl/min) Average psi 3,000 to 10,500 to 6,500 to 5,000 14,000 8,700 Average 0.57 2.5 2.5 lbm/gal Fluid type FR-water FR-water FR-water linear gel linear gel...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583367
... to predict unknown parameters. The anisotropic = M (1 2 ) , f = 1 2 f / fr log f , anelastic impedance vector d and the unknown parameter vec- 1 + ( f / fr)2 fr tor m are related by = (1 4 (1 ) 2 ) , = µ/M, 2 )2 (3 d = G (m) , (7) and MbZN UbZT N = 1 + MbZN , T = 1 + UbZT where G...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 13–16, 2017
Paper Number: SPE-188318-MS
... the lowest average DDR. Figure 7 Pressure change as function of time for different cases Due to the compressibility of the fluid, the DDR will not equal the flow rate coming into the tube from the formation, the so-called formation rate (FR). To obtain the FR, the area integration of flow...
Proceedings Papers

Paper presented at the 1998 SEG Annual Meeting, September 13–18, 1998
Paper Number: SEG-1998-1863
.... Using an appropriate parameterization, the forward prob- lem is solved by a perturbation ray theory (Farra, 1990; Mensch & Farra, 1997), which allows the determination of the traveltime and its Fr echet derivatives analytically to rst order. The traveltimes are inverted by minimizing in term of least...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7500
... value of anisotropy index (AI). Figure 5: Distribution of Anisotropy Index (AI) measurements for plates in the study. 2.01.81.61.41.21.0 16 14 12 10 8 6 4 2 0 AI 100X Fr e q u e n c y Mean 1.351 StDev 0.2581 N 57 Histogram of AI 100X Normal 6 ©2016 by NACE International. Requests for permission...

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