...Chris Carpenter _ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 222993, “Multilayer Reservoir Mapping in Low-Resistivity, Low-Contrast Clastic Reservoir Using Integration of Ultradeep Azimuthal Resistivity 1D and 3D Inversions,” by Ayman El-Khamry...

... mudrock well control geological subdiscipline log analysis fracture gradient depletion reservoir characterization nigerian case study explore drilling resistivity shale shale below depleted sand niger delta clastic rock complex reservoir well logging mudstone intrareservoir shale...

... different well-acquisition technologies such as ultradeep resistivity (UDAR) inversion and anisotropic inversion and interpretation methodologies such as petrophysical analysis, correlation with spectral decomposition volumes, and 4D seismic can help initially for well placement and subsequently for well...

... spectroscopy tool is used to estimate the formation salinity at the depth of investigation of the device. The second methodology uses a new downhole induction resistivity cell in the formation-tester tool. The chlorine measurement, along with the flowline-induction-resistivity measurement, helps enhance...

...Chris Carpenter _ This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 207385, “Ultradeep LWD Electromagnetic Directional Resistivity for Waterflood Mapping: A Game Changer,” by Parmanand Thakur, SPE, Maniesh Singh, SPE, and Saif Al Arfi, ADNOC, et al...

... feature resistivity Deep Directional Electromagnetic Technique Improves Well-Drilling Efficiency The structure in the Matindok block of setting 9 -in. casing approximately formation features ahead of the bit by in Central Sulawesi operated by 5 m above the top of M to acquire full- inverting for a 1D...

...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper OTC 30644, “Discovery of New Oil Reserves by Combining Production Logging With Openhole-Log Interpretation in Low-Resistivity Pay,” by Xinlei Shi, Peichun Wang, and Jinxiu Xu, CNOOC, et al...

...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper IPTC 19854, “Modeling and Prediction of Resistivity, Capillary Pressure, and Relative Permeability Using Artificial Neural Network,” by Mustafa Ba alawi, SPE, King Fahd University...

... through an integrated software platform that combines 3D and 4D geophysical data inversion with a machine-learning (ML) platform. The complete paper clarifies the details of the ML work flow applied to electrical resistivity tomography (ERT) models using an example based on synthetic data. Introduction...

...Judy Feder This article, written by JPT Technology Editor Judy Feder, contains highlights of paper SPE 191476, “As-Received Core Electrical-Properties Tests for Determining Formation Factor (FF) and Resistivity Index (RI),” by Kent Newsham, SPE, and Roland Chemali, SPE, Occidental Oil and Gas...

... in resistivity between injected water and oil to derive 3D resistivity distributions, proportional to saturations, in the reservoir. Introduction CSEM techniques for reservoir-fluid characterization and monitoring are applied on a commercial basis for cross-well configurations. The method is based...

... for wireline was driven by the requirement to identify hydrocarbons, measure reservoir properties, and book reserves in high-temperature wells; this was accomplished by using a wireline string consisting of gamma ray (GR), resistivity, formation- density, and neutron-porosity sensors. Because of the 175°C...

... amplitude borehole geonavigation model Directional Drilling well logging Upstream Oil & Gas seismic data fault description well-log data inversion resistivity horizontal well structural map ac 3 interpretation wellbore formation model 60 JPT JANUARY 2019 This paper presents...

... to prove umbilical avoidance by use of resistivity logging and revised procedures; further details are contained in the ERC Well Construction subsection of this synopsis. Well Trial 5 was a reduced-scale trial. Well Trial 6 was a full-scale installation similar to that previously attempted in Well Trial 3...

...Chris Carpenter This article, written by JPT Technology Editor Chris Carpenter, contains highlights of paper SPE 181414, “Monitoring of Matrix Acidizing by Use of Resistivity Measurements,” by Mehdi Ghommem, American University of Sharjah, and Xiangdong Qiu, Dominic Brady, Firas Al-Tajar, Steve...

... to demonstrate the concept of real-time monitoring of the flow of drilling mud and smart cement and the hardening of the cement in place. A new method has been developed to measure the electrical resistivity of the materials with the two-probe method. Using the new concept, it has been proved that resistivity...

... lateral changes and large velocity contrasts are unfavorable to seismic refraction. 1 3 2016 1 3 2016 1 3 2016 1 3 2016 2015. International Petroleum Technology Conference Simsima sabkha Reservoir Characterization velocity model pilot area resistivity Imaging enhance...

...Kirill Kuptsov; Roger Griffiths; David Maggs Technology Update Reservoirs consisting of heterogeneous carbonates and shaly sands pose formation evaluation challenges for conventional logging-while-drilling (LWD) measurements. Widely used resistivity, density, neutron porosity, and sonic...

... November. The paper has not been peer reviewed. This paper discusses ultradeep directional-resistivity (DDR) logging-while-drilling (LWD) measurements for high-angle and horizontal wells that have been applied recently with success on the Norwegian continental shelf (NCS). The main benefits from the DDR...

... is to improve oil production in productive layers subjected to water-coning problems by increasing reservoir exposure with Level-4 multilateral technology. The drilling process used a full suite of logging-while-drilling (LWD) tools, including azimuthal-deep-resistivity (ADR) technologies, to ensure the well...