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Fluid identification logging in high angle wells

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Proceedings Papers

Paper presented at the International Oil and Gas Conference and Exhibition in China, June 8–10, 2010
Paper Number: SPE-130965-MS
... fracture high angle fracture 0 erect fracture upstream oil & gas reservoir society of petroleum engineers probability igneous rock reservoir log analysis fmi fracture difference well logging spe 130965 fracture identification fracture conventional well fracture 0 log unit...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5761311
... Synthesizing the research and analysis above, we conclude that the whole process of fluid identification using nonlinear elastic impedance inversion based on the optimized MCMC method proposed in this paper is as follows: (1) Pretreatment of pre-stack seismic data and well log data; (2) Accurate extraction...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2991136
... identification based on frequency-dependent viscoelastic fluid factor can be realized. This article illustrates the extraction of the fluid factor of frequency-dependent in the viscoelastic medium ,applies this method on shengli oilfield data and verifies this method with log interpretation results. Introduction...
Proceedings Papers

Paper presented at the SPWLA 31st Annual Logging Symposium, June 24–27, 1990
Paper Number: SPWLA-1990-D
... production rates and reserves. Identification of lithologic and fluid boundaries through the utilization of real-time and recorded Measurement-While-Drilling (MWD) technology enables optimum placement and completion of high angle, horizontal and inverted high angle wells. The use of MWD formation evaluation...
Proceedings Papers

Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-0439
... 1. Introduction Summary Integrated the geological background with well logs, an AVO forward model was implemented by fluid substitution, and simulation result showed that AVO corresponded to class I. This AVO forward model could be used to guide analysis and interpretation of AVO...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-208207-MS
... in the carbonates, which might cause mud losses. Therefore, it has been well established that logging-while-drilling (LWD) conveyance is the primary choice for data acquisition in these high-angle development wells. Abrar et al. (2018) also presented the options for methods of fluid identification...
Proceedings Papers

Paper presented at the 18th World Petroleum Congress, September 25–29, 2005
Paper Number: WPC-18-0868
... Proterozoic in Damintun Depression, Liaohe Basin. Obvious geological effect was obtained, and the conformity of identification reaches 88%. INTRODUCTION Fluid type identification in fractured reservoir has always been a tough problem in an urgent need to be solved in international well logging industry...
Proceedings Papers

Paper presented at the SPE Latin American and Caribbean Petroleum Engineering Conference, June 20–23, 2005
Paper Number: SPE-94962-MS
... column is shown in Fig 14 . In 2003 a pilot vertical well was drilled to make a high-angle cuasi- horizontal well whose objective was to develop areas with remaining oil and to avoid production problems due to high water volumes of previous hydraulically fractured vertical wells. From the log...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5895680
... factor. This inversion method takes the viscoelastic impedance inversion algorithm as the basic framework which is informative and has high fidelity. Synthesizing geological, well logging and seismic data, we can calculate the parameters reflecting lithology and fluid properties by this method. We take...
Proceedings Papers

Paper presented at the IADC/SPE Asia Pacific Drilling Technology Conference and Exhibition, August 9–10, 2022
Paper Number: SPE-209925-MS
... fractures. Tectonic fractures are mainly high-angle fractures and intersect with bed fractures. The identification of the imaging logging data in the study area shows that the bed fractures are significantly higher than tectonic fractures. Structural fractures are mainly high-angle fractures and intersect...
Proceedings Papers

Paper presented at the SPWLA 2nd Asia Pacific Technical Symposium, November 7–8, 2018
Paper Number: SPWLA-2018-1840
... for the fluid identification in the 12 ¼ section because of the risk of the hole stability and high angle well mentioned. The option on the logging while drilling conveyance on identification fluid lies on the measurements below: 1. Resistivity based for saturation 2. Fluid sampling or pump out 3. Formation...
Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 15–18, 2021
Paper Number: SPE-207883-MS
... characterization and fluid typing in the MMR. This paper will provide details of the logging program and insight into the data processing and integration needed for sweet spot identification and proposed perforation intervals. Geological Background and Reservoir Information The Marrat reservoir is divided...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5801459
... Effective fluid bulk modulus can reflect reservoir fluid content more exactly. Therefore, we applied joint inversion of PP and PS wave in synthetic model of well logging. From real log data, we used equation (5) and (6) to calculate ppR and PSR of angle 0 to 30. Then, ppR and PSR SEG New Orleans Annual...
Proceedings Papers

Paper presented at the SPWLA 19th Formation Evaluation Symposium of Japan, September 26–27, 2013
Paper Number: SPWLA-JFES-2013-S
... from oil. When the apparent resistivity changes with well inclination with the presence of thin beds, it is very difficult to define a fluid identification guideline that can be applied in all situations. Recognize the characteristic and log response from different measurements can assist us...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 24–25, 2015
Paper Number: SPE-173663-MS
... fluid contacts using multidetector pulse neutron logging (MDPNL) technology is a crucial component in the overall strategy to maximize production from each well and identify future drilling targets. This technology has been widely used in the industry for reservoir evaluation and surveillance in open...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594223
..., and improving the seismic resolution. On this basis, pre-stack frequency division Fine reservoir characterization and fluid identification are inversion technology is applied to obtain the elastic the keys to Neogene lithologic exploration. However, the impedances of different frequencies and angles. Meantime...
Proceedings Papers

Paper presented at the Offshore Mediterranean Conference and Exhibition, March 27–29, 2019
Paper Number: OMC-2019-1097
... the uncertainty on FE logs in high-angle wells allows better and more accurate decision making leading to a reduction in time and costs. We present different case studies for pay zone identification, and hydrocarbon volume correction based on petrophysics applied on a formation response model. Resistivity...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2013
Paper Number: IPTC-16735-MS
.... The attenuation factor is extracted from three angle stacks respectively,whose results from the near- and the mid-angle stacks are more reliable for high S/N ratio. Fluid properties in 11 of the 12 wells are consistent with positive significant multiplied attenuation factor quantitatively. It is useful to predict...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3702216-MS
... surfaces, which are caused by regional tectonic movements, have been identified as low-angle thrust faults on borehole images and are characterized by ultra-high gamma ray readings and low resistivity because of the fluid migration in this zone. Detachment Surface 2 separates the sandstone reservoir...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428250
... will reveal subtle features not easily identified in the PSTM volume, as each angle range contains different information. Near angles generally contain more high-frequencies in addition to lithological information, while far angles generally provide more information regarding fluid type. By isolating clusters...

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