... identification to optimize fluid sampling in exploration wells and support production drilling. Here, quantitative information about reservoir fluids will support the teams to take wellinformed decisions with respect to well placement, petrophysical log interpretation, and optimizing production by improving...

... installation and operations detector identification spwla 63 compton ratio horizontal drain acquisition asphaltene deposition perforation rd annual logging symposium interpretation spwla-2022-0060 SPWLA 63rd Annual Logging Symposium, June 10-15, 2022 DOI: 10.30632/SPWLA-2022-0060 EXPLORING...

... as gas and water breakthrough can be very common and therefore the need to have an accurate fluid type identification is crucial for the subsequent completion. In this field, pressure depletion and wellbore instability posed serious concerns about the effectiveness of the traditional density-neutron tool...

... The accuracy of lithofacies identification directly affects the evaluation of shale oil reservoirs and the formulation of development plans. (Liu et al., 2020; Raeesi et al., 2012). The task of lithofacies identification is usually performed by professionals identifying expensive core picture samples...

... interpretation method of log data is based on petrophysical mechanisms and models, many assumptions are needed, which may lead to deviations in practical application. Therefore, it is of great significance to achieve reservoir fluid identification when using machine learning processing and interpreting log data...

... use pulse-echo modes where the computed. The Impedance or signal amplitude is used to analysis of the amplitude of the echo enables the differentiate between mud signal and formation signal, identification of the acoustic impedance differences on such information can be used to analyze fractures...

...SPWLA 62nd Annual Logging Symposium, May 17-20, 2021 DOI: 10.30632/SPWLA-2021-0046 IDENTIFICATION OF BREAKOUT BEHIND CASING: METHODOLOGY TO OBTAIN OPENHOLE EQUIVALENT CALIPER MEASUREMENTS THROUGH SLOTTED LINER USING THE DENSITY TOOL Laurent Mosse, Schlumberger, Stephen Pell, Santos Ltd and Thomas J...

... reservoir quality. The wells were successful in their initial objectives and a project to develop these resources is currently in the selection phase. The challenges of formation evaluation, including distribution of pore geometries, permeability, reservoir quality, and hydrocarbon identification, could...

...SPWLA 60th Annual Logging Symposium, June 15-19, 2019 DOI: 10.30632/T60ALS-2019_LL 1 TURNING A NEGATIVE INTO A POSITIVE: SHALE ANNULAR BARRIER IDENTIFICATION FOR PLUG AND ABANDONMENT David Lavery and Venkat Jambunathan, Halliburton; Gulnara M. Shafikova, Vår Energi AS Copyright 2019, held jointly...

...SPWLA 60th Annual Logging Symposium, June 17-19, 2019 DOI: 10.30632/T60ALS-2019_YYY 1 IDENTIFICATION OF BITUMEN IN NAJMAH SOURCE ROCK, UTILIZING ORGANIC AND INORGANIC ANALYSIS: A CASE STUDY Jalal Dashti1, Ahmad Shoeibi2, Javad Estarabadi2, and Antonio Bonetti2 1Kuwait Oil Company, 2Geolog...

... is preferred; whereas, at high salinity, the sigma value is used. These logs may be upscaled and used to constrain the 3D inversion. The workflow of this interpretation methodology is presented with synthetic examples of bypassed pay identification. Reservoir Characterization log analysis modeling...

... quality and pay identification. A previously unknown hydrocarbon zone was identified with the help of LWD NMR. This unknown pay zone turns out to be the best of all other known pay zones, adding considerable new reserves to the field. Both carbonate and sandstone formations were present, and core analysis...

... Abstract The accurate identification of the different components of unconventional tight oil reservoirs is fundamental to determining reservoir quality (RQ). It is important to determine these components because, whereas some components, such as movable light oil, are positive RQ indicators...

... analysis. Although the current standard 2D and 3D inversion methods can resolve many straightforward pore size and fluid identification scenarios well, it is challenging for more complicated scenarios. One such scenario involves formations that contain iron-rich minerals, which cause NMR relaxation time...

.... Identification of Heavy Oil and Tar. In the case of heavy oil hydrocarbon components are found also in the bound water range of the NMR T2 distribution (compare Fig. 1, right). The resulting excess bound water can be determined in comparison to the resistivity-based water volume and used as an indicator...

..., simultaneous measurements, and finally data processing and interpretation. The integration of the data into specific diagrams in near-real-time makes lithofacies identification and primary geochemical analysis readily available, as soon as the measurements are made. WORKFLOW AND SAMPLE PREPARATION At the shale...

... Abstract Ordovician G. prisca kukersites provide a potential source for the Red River oil in the Williston basin of North Dakota; consequently, the identification of these intervals can be critical when planning completions. Although kukersites are very organic-rich [total organic content (TOC...

... values, which increases the uncertainty in oil/water contact identification (Figure 2). Fig.2 Jurassic reservoir logs and lithological interpretation. The textural complexity in the Cretaceous carbonates is due to a high fracture density, breccia deposits, and dolomitization. These conditions restrict...

... the sample which provides spectral fingerprint identification (qualitative) and the concentration level is determined by an area under the curve calculation (quantitative). These are depicted in the charts below. The first chart below reflects the comparison of five aromatics at the same concentration level...

... pressure testing, leading to high-confidence gradient calculations. The pump-outs were optimized for confident fluid identification and single-phase reservoir fluid sampling. In total, data was acquired with 87 pressure tests. Six pump-outs for reservoir fluid identification were performed from which three...