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Keywords: evaluation
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Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0093
... upstream oil & gas annual logging symposium well logging spatial dynamic response function azimuthal cement density log analysis eccentricity cement density reservoir characterization detector tool eccentricity china university horizontal well evaluation petroleum gamma-ray...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0078
... well logging annual logging symposium neutron reservoir characterization detector inelastic gamma ray fast neutron upstream oil & gas sensitivity porosity thermal neutron log analysis rit 21 pulsed neutron system field distribution cross section evaluation gas saturation...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0087
... reservoirs due to their low porosity and permeability, which differs from conventional reservoirs. In the past few decades, pulsed neutron logging technology is one of the most important means to evaluate gas saturation, especially the ratio of gamma-ray counts from pulsed neutron logging tool with long...
Proceedings Papers

Paper presented at the SPWLA 63rd Annual Logging Symposium, June 11–15, 2022
Paper Number: SPWLA-2022-0122
... 63rd Annual Logging Symposium held in Stavanger, Norway, June 10-15, 2022. ABSTRACT This paper presents a case study from a mature oil field subjected to long term injection of fresh water. Multiple, potential oil horizons are encountered in newly drilled wells, however, formation evaluation is very...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0006
... the reservoir was of importance to the technical economical evaluation of the discovery. The appraisal wells planned for a comprehensive coring and logging program. The main objectives were to reduce the uncertainty of estimated in place volumes by establishing the depth of the hydrocarbon-water contact, prove...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0065
... to evaluate formation density behind casing using a three-detector density tool. Considering that the backscattered gamma is easily affected by the density behind the casing, especially when the casing thickness is small, a designed ratio of high and low energy window counts of the scattered gamma spectrum...
Proceedings Papers

Paper presented at the SPWLA 62nd Annual Logging Symposium, May 17–20, 2021
Paper Number: SPWLA-2021-0099
... SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0099 AN ENHANCED METHOD FOR CRACK EVALUATION UTILIZING NEUTRON GAMMA TRACER IMAGING LOGGING TECHNOLOGY IN CARBONATE RESERVOIR Qian Chena, Feng Zhanga, Lili Tiana, Xiaoyang Zhanga, Xianghui Lib, Qunwei Fanga, Junting Fana...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5001
...ABSTRACT ABSTRACT The appraisal phase is a unique opportunity to evaluate reservoir continuity for reducing key uncertainties required for field development decisions and planning. Consequently, appraisal activities for large offshore reservoirs necessitate optimal fluid and formation data...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5060
...ABSTRACT ABSTRACT Cement bond evaluation is a critical step in the early-life stages of newly drilled wells since it rules the way for obtaining useful information about wellbore integrity. Conventionally, this is carried out by means of a detailed interpretation of cased-hole sonic...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5008
.... There is a large spectrum of casing inspection tools that follow diverse measurement principles. Multi-finger calipers can provide a profile of the inner surface of the tubing at good resolution while ultrasonic tools can evaluate both the inner and outer surfaces of the tubing. Magnetic flux leakage tools...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5029
...ABSTRACT ABSTRACT Logging measurements in high-angle wells are often complicated by various geometric effects and generally require correction before use in accurate petrophysical evaluation. The geometric effects include, but are not limited to, shoulder beds, proximity to beds that may or may...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5078
... well logging upstream oil & gas bittar application halliburton dip measurement resistivity measurement wellbore july 29 spwla 61 symposium resistivity tool performance formation anisotropy june 24 new lwd triaxial tool trajectory design evaluation inversion sensor antenna...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5061
... of the saturation. Present-day PNL tools can perform a quantitative assessment of petrophysical properties of the reservoir including mineralogy, porosity and saturation. The ability to record multiple independent measurements expands the applications of cased-hole evaluation to environments otherwise...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5062
...ABSTRACT ABSTRACT Cased hole logging for formation evaluation and input to determine the re-development potential of an oil producer with a challenging production history was conducted. This included an intelligent assessment of formation gas pressure through casing, which was later confirmed...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5004
...ABSTRACT ABSTRACT Marine carbonate reservoir formation evaluation is typically not concerned about the presence of clays, provided that the deposition of good quality carbonate platform facies is normally limited to clear waters. Conversely, the South Atlantic lacustrine Pre-Salt deposits...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5079
... well logging em log thickness measurement operation log analysis upstream oil & gas inspection tool july 29 casing and cementing thickness corrosion spwla 61 cement evaluation future corrosion thickness log case study production string baseline log casing design cavern...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5005
...) different had Arps made other choices. These discoveries give impetus to a re-examination of the evaluation of this constant, not only to validate Arps' estimate, but also to re-examine the choice of which data to include. For example, the ICT data is weighted toward low salinity (21 samples at 60, 100...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5100
... activity on a tight budget represents an interesting challenge for operators and service companies alike. This review of three case studies shows how cased hole reservoir evaluation can be the key for solving different unfavorable scenarios that arise constantly in the fields in this area by applying...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5049
... of the customized workflow. The application of this customized workflow assisted in providing an enhanced reservoir evaluation of sweet spots, that allows future planning for drilling and completions strategies. Sensitivity analysis improves the integrated workflow and customization, increasing the knowledge...
Proceedings Papers

Paper presented at the SPWLA 61st Annual Logging Symposium, June 24–July 29, 2020
Paper Number: SPWLA-5058
... saturation height model evaluation symposium resistivity springar 2 july 29 water saturation estimation june 24 ABSTRACT ABSTRACT Balderbrå exploration well targeted the Late Cretaceous Maastrichtian Springar Sandstone Formation. The reservoir is a four-way dip closure and expected to have gas...

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