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NMR quality control
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Journal Articles
Journal:
Journal of Petroleum Technology
Publisher: Society of Petroleum Engineers (SPE)
J Pet Technol 73 (02): 59–60.
Paper Number: SPE-0221-0059-JPT
Published: 01 February 2021
...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 201358, “Quality Control of NMR Measurements in Unconventional Rocks Using Hilbert Transforms and Semilogarithmic Derivatives,” by Pierre Aérens, SPE, David Medellin, and Carlos Torres...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 26–29, 2020
Paper Number: SPE-201358-MS
... either processing method to the echo train decay of proton magnetization to estimate a pseudo- T 2 distribution that is not affected by inversion artifacts. These two methods are data-driven processes for on-site, continuous quality control of borehole NMR measurements. In the first method, a pseudo- T...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 1–4, 2000
Paper Number: SPE-63212-MS
... importance when NMR is run as a standalone service. NMR applications require proper job planning and acquisition for successful data processing, interpretation and integration with conventional logs. Quality control procedures are particularly important during data acquisition and during the creation...
Images
Published: 07 September 1999
Fig. 3 Quality control of NMR data by single-acquisition analysis for well S. NMR evaluations are indicated by the prefix "M"; the number (i = 1 − 4) indicates the pass. Results from conventional analysis are represented by thin continuous curves. PC: polarization correction; NS: noise. More about this image found in Quality control of NMR data by single-acquisition analysis for well S. NMR ...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Trinidad and Tobago Section Energy Resources Conference, June 25–26, 2018
Paper Number: SPE-191164-MS
... of petrophysical outputs can vary widely. This study assesses the impact of integration methods of NMR/Open-hole data on petrophysical outputs by carrying out an extensive study on log data from five (5) wells offshore Southwest Trinidad. Methodologies for quality control of NMR data and deterministic...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-160022-MS
... or sliding in a range of hole sizes, including large holes previously inaccessible to LWD NMR measurements. Benefits and trade-offs of key tool design features are presented. Emphasis is placed on measurement quality, operational simplicity and log quality control in real time and memory mode through...
Proceedings Papers
Paper presented at the SPWLA 57th Annual Logging Symposium, June 25–29, 2016
Paper Number: SPWLA-2016-HH
..., hydrocarbon properties and producibility of reservoirs at the earliest stages of exploration and development drilling. High resolution LWD NMR data during early exploration is well suited for principal component analysis, which is highlighted in this paper. well logging quality control Engineer...
Journal Articles
Publisher: Society of Petroleum Engineers (SPE)
SPE Res Eval & Eng 25 (02): 163–176.
Paper Number: SPE-201358-PA
Published: 11 May 2022
... and the implementation of regularization (stabilization) methods. In some cases, it is difficult to determine whether the estimated pore-size distributions are reliable or byproducts of the inversion. On-site quality control of NMR inversion results is thus essential to avoid erroneous analyses based on nonphysical...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-203456-MS
... The lateral motion effect on LWD NMR data is proportional to drilling dynamics. Wellbore tortuosity is one of the main factors contributing to the downhole drilling dynamics. Recent studies proved that drilling steering mechanism type controls wellbore tortuosity, hence, applying the proper...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Characterisation and Simulation Conference and Exhibition, January 24–26, 2023
Paper Number: SPE-212650-MS
.... Rock typing process used different technique including Rock Quality Index (RQI) from NMR data and Flow Zone Index (FZI) to provide classifications of the rock based on quality and productivity expectation, The classifications used to create permeability transformation model to be applied on the lateral...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Middle East Oil & Gas Show and Conference, November 28–December 1, 2021
Paper Number: SPE-204781-MS
... during post depositional diagenesis. NMR technology has the ability to reveal the rock quality, in terms of free and bound fluid fractions. A variable bound fluid fraction may explain the observed oil saturations. The control on the Capillary Bound to Free water is the T2 cut off. The NMR logs were...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 9–12, 2020
Paper Number: SPE-202867-MS
... amples were saturated with synthetic brine for the first measurement, then desaturated by centrifuge (air-brine), and later flushed by bulk oil crude for the second measurement. The sample weight was measured before and after the NMR and centrifuge measurements for the purpose of quality control...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Caspian Technical Conference and Exhibition, November 21–23, 2023
Paper Number: SPE-217647-MS
... the conveyance of wireline NMR tools may encounter difficulties. The LWD NMR tool was successfully deployed in a deviated well during drilling operations, followed by a subsequent measurement after drilling (MAD) pass to ensure log quality control. To verify and compare the acquired data, wireline-based NMR...
Proceedings Papers
NMR Fluid Substitution – Pursuing the Fundamental Controlling Parameters of a Low-Mobility Reservoir
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0052
... Pce from PTR calculated from FS T2gm to supplement the standard model for the field which calculates Pce as a function of PHIT. A simple model calculating Pce as a function of PTR is established and considered the optimum solution for calculation of Pce when the NMR data quality is good and the rock...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 12–15, 2018
Paper Number: SPE-193187-MS
... deposits ( Fig. 1 ). The main controls on depositional facies are the local variation in eustatic sea level along with the depositional setting; in this case, a low-angle ramp with overall shallowing upward trend in facies. The oil and gas industry has been using NMR log for more than 20 years. NMR...
Proceedings Papers
Paper presented at the SPWLA 64th Annual Logging Symposium, June 10–14, 2023
Paper Number: SPWLA-2023-0098
... reduces for further improvement in SNR. Multiple passes and slower VL undoubtedly increase logging costs by increasing rig time; however, the value of information from improving NMR data quality toward reducing uncertainty may justify the increase in costs. Table 1 summarizes controls of SNR and VR...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 27–September 1, 2023
Paper Number: SEG-2023-3911374
... and corresponding variation on T2distribution. Figure 2: RT standoff image and drilling features Figure 3: RT resistivity image and NMR T2 Recorded Mode (Memory) Data Interpretation High quality RM data (Figure-4) helped understand the geological variations, with image logs from a newly deployed service of dual...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the Abu Dhabi International Petroleum Exhibition and Conference, November 10–13, 2014
Paper Number: SPE-171932-MS
.... This condition makes standard logging suits inadequate. Therefore, advanced logs interpretation (NMR) with the integration of geological understanding, core and dynamic data are essential to derive a robust flow characterization. A comprehensive evaluation on multi wells that link different aspects controlling...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Annual Technical Conference and Exhibition, October 16–18, 2023
Paper Number: SPE-214926-MS
... the calibration performed for the NMR in the five cored wells out to the remaining fourteen wells, a method known as Class-based Machine Learning is used. Jain et al (2019) , introduces this machine learning methodology and shows how it may be used to automate petrophysical workflows and to quality control...
Proceedings Papers
Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, June 20–22, 2022
Paper Number: URTEC-3723426-MS
... of digital rock physics and nuclear magnetic resonance (eleven core samples used for NMR measurements). This integrated study provides a better understanding of porosity and productivity potential in two formations of interest with quite distinctive characteristics; these formations are considered as primary...
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