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DFP

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Dual frequency curves of survey line number 9 (a: <span class="search-highlight">DFP</span>, b: DFA) relative to ...
Published: 30 October 2011
Figure 9 Dual frequency curves of survey line number 9 (a: DFP, b: DFA) relative to two transmitting locations in the borehole (A1=AB1, A2=AB2). More
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Difference of dual frequency phase (D-<span class="search-highlight">DFP</span>) at frequency of 0.5Hz for the A1...
Published: 30 October 2011
Figure 11 Difference of dual frequency phase (D-DFP) at frequency of 0.5Hz for the A1-A2 reservoir layer. More
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Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2901283-MS
... 1. Abstract Dissolvable frac plugs (DFPs) can eliminate milling out, enable longer lateral wellbores, and reduce operational risks. Although DFPs have been successfully used in many cases, uncertainty about their degradation has also been known. For example, some DFPs have not degraded under...
Proceedings Papers

Paper presented at the SNAME Maritime Convention, October 17–18, 2008
Paper Number: SNAME-SMC-2008-P02
... In February 2007, NSRP awarded the project entitled “Design for Producibility (DFP) for Mid-Tiered Shipyards,” a collaborative research project which included Bollinger, Atlantic Marine, and Todd Pacific Shipyards. The purpose of the project was to incorporate DFP methodologies into the ship...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-146348-MS
...Figure 9 Dual frequency curves of survey line number 9 (a: DFP, b: DFA) relative to two transmitting locations in the borehole (A1=AB1, A2=AB2). ...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5817817
... that the known reservoir exhibits high-chargeability and dual-frequency-phase (DFP) anomalies, and that the inversion data constrained by seismic and logging data show regular, lateral changes in both resistivity and polarization. These data describe the oil distribution within the known reservoir. The test...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1958
... ABSTRACT: UT-Austin's Devine Fracture Pilot Site (DFPS), 50 miles southwest of San Antonio, Texas, has been targeted for a comprehensive, multidisciplinary development of fracture diagnostics techniques cross-validated by ground-truth data acquisition near a recently created, 175-ft-deep...
Proceedings Papers

Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0153
... of conventional Quasi-Newton algorithm, and then exploit a new modified Quasi-Newton equation to modify the conventional Davidon-Fletcher-Powell (DFP) and Broyden-Fletcher-Goldfarb-Shanno (BFGS) algorithm (Zhang et al, 2001). Furthermore, we take BFGS for instance to implement a comparison between modified method...
Journal Articles
J Ship Res (2022)
Paper Number: SNAME-JSR-04210009
Published: 23 March 2022
...-squares method. We employed the Davidon Fletcher Powell method (DFP) and Genetic Algorithm (GA) for the calculation of the MLE, and we developed the method to make the calculation to speed up, because the calculation speed is very slow in the case of the DFP. The results shows that the methods explained...
Journal Articles
J Ship Res 45 (03): 197–204.
Paper Number: SNAME-JSR-2001-45-3-197
Published: 01 September 2001
.... An unconstrained Davidson-Fletcher-Powell (DFP) optimization procedure controls the changes. The wave resistance is evaluated by a higher-order Rankine source panel method. The numerical results, shown for Series 60 and the Hamburg Test Case (HTC) containership, prove that the method is appropriate for preliminary...
Proceedings Papers

Paper presented at the SPE Health, Safety and Environment in Oil and Gas Exploration and Production Conference, January 25–27, 1994
Paper Number: SPE-27112-MS
... be that the date of 1 January 1997 a brought forward. to 1997. These figures include not only oil bound up with cuttings but also other surface losses associated with the use of OBM. Water-Based Mud/Chemicals MEETING THE TARGETS The key to the DFPS is the standardisation of problem descriptions or 'degrees...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, November 2–4, 1993
Paper Number: SPE-26930-MS
... such the site which is "opened" for the Displacing Fluid Percolation (DFP) since the displaced fluid has already been removed from this site. The spinor functions Xjm(J)(t) with three possible values for the index mj correspond to the spin-algebra with weight S = 1. (1 ) N 1p(t) = II® xj (J)(t ). 1=1 2. KINETIC...
Journal Articles
J Pet Technol 34 (12): 2763–2775.
Paper Number: SPE-9337-PA
Published: 01 December 1982
... measurement (Program Height), (2) downhole fracturing pressures (Program DFP), (3) postfracturing pressure decline (Program Decline), (4) minifracture calibration tests (Program Mini-Frac), (5) in-situ stress and rock property measurement (Program Insitu), and (6) fracture mapping methods (Program Mapping...
Proceedings Papers

Paper presented at the The Fourth International Offshore and Polar Engineering Conference, April 10–15, 1994
Paper Number: ISOPE-I-94-017
... the major factors affecting the analysis will be considered. Much more detailed considerations will be required in the final design, reflecting environmental forces in action, stresses during erection, and the fabrication details. KEY WORDS: Modular float, Deep sea component, DFP platform, Dodecahedrous...
Journal Articles
J Ship Prod Des 16 (03): 160–172.
Paper Number: SNAME-JSP-2000-16-3-160
Published: 01 August 2000
... VSEA Professor of Ship Production Science, and give examples of its use as a Design for Production tool. Manuscript received by JSP Committee June 2000. 1. INTRODUCTION Researchers and practitioners in the design and construction of ships, and in particular those applying Design for Production (DFP...
Proceedings Papers

Paper presented at the The Thirteenth International Offshore and Polar Engineering Conference, May 25–30, 2003
Paper Number: ISOPE-I-03-098
... of . In case of Fig. 2, for example, and m take 0.01, 1.50, respectively. Moreover, DFP method (Davidon-Fletcher-Powel method), which is one of the Quasi-Newton methods, is applied to the system to determine the optimal combination of design parameters, p , which minimizes the vibration amplitude...
Journal Articles
J Ship Prod Des 33 (04): 317–326.
Paper Number: SNAME-JSPD-2017-33-4-317
Published: 01 November 2017
... facilities in order to maintain and also increase its competitiveness. According to the SNAME Design for Production (DFP) Manual (1999), it is necessary to analyze the product mix of vessels and determine where improvements can bemade. DFP principles can be adhered to make significant improvements (Kolich et...
Journal Articles
J Ship Prod Des 35 (03): 273–280.
Paper Number: SNAME-JSPD-2019-35-3-273
Published: 01 August 2019
... of this article is to demonstrate and explain how by shifting the outfitting works to an earlier construction phase, the required man-hours decrease while constructing the same interim product. Table 1 Man-hour correlations to shipbuilding stage (DFP 1999) Building stage Man-hours Subassembly 1 Unit assembly 2...
Journal Articles
J Ship Prod Des 19 (04): 230–245.
Paper Number: SNAME-JSP-2003-19-4-230
Published: 01 November 2003
... = common object request brokerage architecture ISO = DARPA= Defence Advanced Research Projects Agency JMSA = DFP= design for production EJB = Enterprise Java Beans NIAM = EMSA= European Marine STEP Association N 1 DDESC = Nomenclature ESPRIT = European Strategic Programme for Research and Development...

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