1-20 of 86
Keywords: instrument
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0020
... was logged with only the new tool after the benefits of the new technology were proven, but this paper will focus on the results from the wells in which both legacy and new tools were directly compared. The key features of the new instrument include: 1) three Lanthanum Bromide (LaBr3) detectors with high...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0024
... the theoretical work and the subsequent modeling results for a broad set of models define the response characteristics and the probing capabilities of the look-ahead techniques. It is realized that the look-ahead instrument design can be simplified, such as using only the familiar three-coil coaxial configuration...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0115
... ratio and formation elements may seriously reduce the accuracy of the porosity content information from the three-detector pulsed measurement. The multi-detector pulsed neutron logging neutron instrument, which indicated a good accuracy for technique was already used for determining porosity...
Proceedings Papers

Paper presented at the SPWLA 60th Annual Logging Symposium, June 15–19, 2019
Paper Number: SPWLA-2019-W
... June 17-19, 2019. ABSTRACT A new wireline multi-frequency, multi-spacing dielectric logging service has been developed. The service is based on the performance of a new multi- array electromagnetic propagation instrument operating in a frequency range from tens of Megahertz up to one Gigahertz...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-LLL
... ABSTRACT As the depletion of conventional oil and gas reserves, the unconventional resources such as tight or shale gas and oil are increasing important to the energy supplies of our world. Several logging instruments based on pulsed neutron accelerator have been launched to estimate elemental...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-HH
..., the MDPN technology diversified with more instruments being developed and field tested. While all share the same physics principle, the responses can vary due to instrumentation design, characterization and nuclear attributes extraction in the field. We field tested and evaluated the MDPN technologies...
Proceedings Papers

Paper presented at the SPWLA 58th Annual Logging Symposium, June 17–21, 2017
Paper Number: SPWLA-2017-JJJJ
...SPWLA 58th Annual Logging Symposium, June 17-21, 2017 1 EXPANDING APPLICATION OF MULTI-DETECTOR PULSED NEUTRON INSTRUMENTATION FOR QUANTITATIVE GAS SATURATION MONITORING IN GAS-FILLED BOREHOLES Behrooz Raeesi, Gerardo Cedillo, Xiaogang Han, Adrian Zett, BP Sandeep Gade, Qiong Zhang, David Chace...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-CCC
... was driven by the technology offered by the incumbent vendor at the time of logging. Two Detector Pulsed Neutron (2D) technologies have evolved from analogue time-decay instruments thru to digital two detector time and energy spectral instruments and currently into Multidetector Pulsed Neutron Technologies...
Proceedings Papers

Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-VV
... Abstract Slim pulsed-neutron logging instruments are extensively used for fluid saturation monitoring in cased-holes since the discovery of pulsed-neutron radioactive sources in the early 1950s. The sigma method of pulsed-neutron logging was used to determine water saturation in high-salinity...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-QQQQ
... and the developed method is suitable for any commercial logging device with known antennae configurations, including tri-axial instruments. There are two key novel contributions in this work: First, the three-dimensional (3D) transversely isotropic (TI) formation is now approximated by a sequence of various...
Proceedings Papers

Paper presented at the SPWLA 56th Annual Logging Symposium, July 18–22, 2015
Paper Number: SPWLA-2015-MM
... on development of an improved imager providing high-resolution resistivity images in vertical and azimuthal directions for these environments with a target operating resistivity range above 1 ohmm. The instrument employs multi-frequency impedance measurements to overcome dielectric effects due...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-GGG
... amounts of data on site so that the laboratory work can concentrate on specific points which require a higher depth of analysis. So it was crucial that field personnel could learn to utilize the instrumentation after a realistically short training period. Analytical time as the laboratory operations...
Proceedings Papers

Paper presented at the SPWLA 54th Annual Logging Symposium, June 22–26, 2013
Paper Number: SPWLA-2013-PPP
..., sampling, and signal interactions with the formation and with the measuring instrument. Exploration of these six components can provide insight into the tradeoff between speed and the desired measurement. Examples will be provided to show the effects for time-sampled devices, (e.g., nuclear) and point...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-094
... logging environments and is capable of being deployed through a variety of conveyance methods. The measurements are available through logging while drilling (baseline only) and wireline instruments using three or more gamma detectors. This paper will focus on their application behind casing...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-110
... Upstream Oil & Gas complex reservoir Reservoir Characterization organic richness completion spwla 53 formation evaluation brittleness mineralogy wellsite geochemistry application shale gas shale reservoir instrument Symposium Drilling geology Elemental data evaluate...
Proceedings Papers

Paper presented at the SPWLA 53rd Annual Logging Symposium, June 16–20, 2012
Paper Number: SPWLA-2012-184
... of drilling operations. As part of the development process, extensive laboratory tests were performed to validate and compare results of different types of instruments which could be used. In parallel, well site suitable technical operating procedures and appropriate software were developed, to ensure...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-XXX
...). A reliable, portable ED-XRF instrument, robust enough for rig site employment is routinely used for a well site chemostratigraphy service. The instrument produces accurate elemental data, which can, next to its chemostratigraphic applications, be used for mineral and lithology modeling. A methodology has...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-RR
..., but starts to fail when conditions within the borehole being surveyed degrade to the point of falling outside the physical measurement limitations of the instruments. When wellbore conditions reach a point where data degradation occurs the information must be corrected for the environmental and borehole...
Proceedings Papers

Paper presented at the SPWLA 52nd Annual Logging Symposium, May 14–18, 2011
Paper Number: SPWLA-2011-WWW
... and volume of formation fluids. Formation resistivity values are estimated based upon voltages or currents induced in receiver coils or electrodes (depending upon the operational principle, or physics, of an instrument) whose magnitudes depend upon the conductivity of the formation surrounding an instrument...
Proceedings Papers

Paper presented at the SPWLA 50th Annual Logging Symposium, June 21–24, 2009
Paper Number: SPWLA-2009-64467
... real time system Upstream Oil & Gas conductivity contrast log analysis resistivity image instrument Symposium resistive thin bed Artificial Intelligence wellpath boundary well logging thin bed resistive reservoir electrical midpoint conductive bed interface spwla 50 motif...

Product(s) added to cart

Close Modal