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Keywords: wavelength
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–5, 2022
Paper Number: SPE-210126-MS
... monitoring wlr information wavelength production control north sea flow measurement workshop regime viscosity pipe real time system presented frequency thickness drillstem testing reservoir surveillance measurement application real-time well performance measurement coil emat...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-206316-MS
... signal absorption upstream oil & gas nanoagent operation chemical tracer wavelength nanotracer application nanoparticle contrast agent thermoelastic expansion reservoir characterization photoacoustic nanoparticle illumination nanodroplet gold nanoparticle Introduction Tracer...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187207-MS
... wavelength energy transfer µmols excitation dye nanoparticle fluorescent silica nanoparticle Introduction Tracers help in understanding reservoir characteristics such as interwell connections, heterogeneities, and water movements to improve the oil recovery efforts. Commonly used tracers...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181549-MS
... the importance of obtaining reliable decontaminated formation water properties. drilling fluid chemistry drilling fluid formulation concentration drilling fluids and materials formation tester composition drilling fluid property wavelength flow line mud filtrate real time filtrate drilling...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181343-MS
... a new possibility for long range high resolution saturation mapping using EM means. Reservoir Characterization frequency wavelength high resolution saturation mapping Saturation Mapping enhanced recovery cutoff frequency Transmission Line EM property electric permittivity waterflooding...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181550-MS
... & Gas well logging drillstem/well testing concentration fluid sample real time system PVT measurement formation tester mud filtrate fluid property variation filtrate absorption application Drillstem Testing wavelength composition DFA resistivity reservoir fluid Formation Fluid...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-174928-MS
... approach to understand the failures and guide system improvement developments. Multiple-wavelength optical time domain reflectometer (OTDR) technology was used to diagnose symptoms of the fiber degradation. The importance and usefulness of OTDR technology was recognized, and a program to monitor fiber...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-175047-MS
..., an interrogation method has been developed for measuring the wavelengths of the FBG array. Traditional swept-wavelength interrogation techniques exist to measure FBG arrays, but they are typically limited to approximately 40 gratings. Like the cable, the interrogation method scales up to 1000 gratings at 1 meter...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166464-MS
... fluid type formation testing optical spectra gor pvt measurement wavelength composition database estimation machine learning upstream oil & gas concentration optical density data relative concentration weight fraction algorithm gas condensate mapping matrix Introduction...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-146732-MS
... technical conference real time system frequency yellow formation spe 146732 log analysis compressional wave detection sonic measurement well logging wavelength azimuthal resolution investigation reservoir resistivity sonic tool unconventional reservoir jason pitcher society of petroleum...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-115822-MS
... that the technique might not be reliable in case of a compositional gradient and or compartmentalized reservoirs. wavelength information well logging OBMF fluid information log analysis formation tester NMR measurement hydrocarbon gradient Upstream Oil & Gas oil zone GOR sensor reservoir...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116098-MS
... long periods of time. Therefore, optical spectroscopy data should be monitored at the well site for actual decisions on whether to sample or not. Optical Density Measurements The transmission of light through a fluid, based on Lambert's law, is an intrinsic wavelength-dependent property...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116665-MS
... for a given temperature resolution requirement. A DTS works by measuring the levels of backscattered light at one or more wavelengths and computing from them the temperature at the point of scattering. When properly designed, the only significant source of temperature noise in the DTS measurement...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-120200-STU
... radiation Raman Spectroscopy spectrograph asphaltene Detection Tool reservoir Upstream Oil & Gas wavelength EOR process bypassed zone detection tool bypassed oil detection spectroscopy society of petroleum engineers Introduction After having spent much time and money on a reservoir...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116655-MS
... for several applications such as production allocation, heavy oil thermal recovery (e.g., steam-assisted gravity drainage, SAGD) steam-well management, and well-integrity monitoring. This system is based on measuring scattered light at more than one wavelength from an optical fiber placed along the well...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116075-MS
... The second effect causes short-wavelength edge (SWE) attenuation in the fiber. SWE occurs mainly in germanium-doped fibers at high temperatures. The SWE is due to electronic transitions which are vibrational in nature, as opposed to hydroxyl absorptions, and for this reason it is possible...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116267-MS
... Reservoir Surveillance wavelength deployment wavelength DTS intensity dual laser revolutionize dts deployment fiber optic optical fiber differential attenuation society of petroleum engineers temperature trace Introduction (2) I A S I S = ( λ s λ a s...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116149-MS
... in the fiber and a small fraction of the photons making up the pulse are scattered. Some of the scattered photons are recaptured by the fiber and return back toward the surface. The majority of these "backscattered" photons is at the same wavelength as the laser pulse and is called "Rayleigh" backscatter...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-109941-MS
... (2) Δ λ = λ ( 1 − P e ) K ε f , where Δλ is the Bragg wavelength shift due to the strain, ε f , imposed on the fiber. λ is the average wavelength of the grating, and K the bonding coefficient of the fiber to a substrate or system on which the strain...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-106522-STU
.... Our proposed approach requires transient measurements from (N - 1) laser beams of different wavelengths. The beam deflection technique shows promise of being faster and more accurate than the current techniques to determine molecular diffusion coefficients. (1) | J → 〉 = D | ∇ ω...

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