...Applications 1. Formation Pressure One of the main applications of LWD formation testing is to evaluate formation pressure while drilling. FTWD tool collar is incorporated within the drilling string. Once at desired depth of formation evaluation, the tool is oriented and a stickiness test...

... strategies while minimizing the survey time reducing additional risk for stationary surveying time. geologist trajectory design geology drilling operation directional drilling lwd measurement while drilling well planning logging while drilling wellbore positioning drilling data acquisition...

... Abstract Logging While Drilling (LWD) measurements are widely utilized in high angle and horizontal wells for real-time petrophysical evaluation and well placement. Although most of the common LWD sensors only investigate a few inches around the wellbore, modern versions of deep and ultra-deep...

... this capability with both synthetic and field examples shows this is now possible, allowing changes in resistivity ahead vertically and to the sides to be identified and proactively used. geologist trajectory design geology geosteering drilling operation reservoir navigation lwd inversion well...

... Abstract This paper highlights the successful application of high-resolution logging-while-drilling (LWD) acoustic imaging in a wildcat exploration well under extreme conditions, including equivalent circulating density (ECD) of 20.6 ppg, static mud density of 19.3 ppg and temperatures reaching...

... Abstract Logging While Drilling (LWD) tools are usually utilized in high angle wells with the purpose of placing the wells in the desired target. Well placement personnel need to interpret LWD log responses while drilling and provide their recommendations to adjust the well paths accordingly...

... other development wells have LWD NMR data, conventional log and LWD density image. To extract more geological information from density image, the multi scale correlation and calibration among the resistivity image, density image and core data are indispensable. Thus, the sedimentary facies can...

... waiting for delayed LWD measurements, minimized footage loss in non-reservoir sections, resulting in greater reservoir exposure and improved productivity. This study highlights the innovative utilization of NBG imaging technology combined with quadrant log analysis as an effective technique...

... logging sensors. Resistivity is a fundamental measurement and represents the biggest challenge for high- inclination and horizontal wells, given the complexity of the measurement and the logging environment. For logging-while-drilling (LWD) applications, electromagnetic (EM) resistivity is commonly used...

... drilling (LWD) has become more commonplace. Assessing the reservoir properties of previously drilled laterals presents a challenge due to hole condition deterioration over time. Even if the borehole is stable and competent while drilling, it might be subject to time-dependent deterioration that could...

.... Advancements in logging-while-drilling (LWD) tool designs including tilted EM transmitter and receiver antennas enabled the acquisition of all nine components of the EM field around an EM tool. Advanced algorithms and real-time transmission systems have been introduced allowing the visualization of the 3D...

... Abstract Logging While Drilling (LWD) Nuclear Magnetic Resonance (NMR), LWD Electrical Imaging along with Conventional Triple Combo LWD services were deployed in Mumbai Offshore field in India. LWD NMR data gives a rock independent porosity measurement which seem to verify the other...

... the associated challenges of steering with UBCTD, different technologies will be outlined based on their applicability and effectiveness in landing the UBCTD laterals in the sweet spot layers. These technologies are going to be in the form of downhole logging while drilling (LWD) tools (gamma ray and resistivity...

... The Jurassic Marrat formation in West Kuwait is a tight and heterogeneous carbonate reservoir in which petrophysical characteristics lead to a limitation in the predictability of reservoir properties. Landing a later well exposes operational risks, therefore LWD triple combo is excluded to avoid...

... a detailed picture of the reservoir requires a combination of measurements and data acquisition processes usually starting with seismic data to build a geological model which is refined during drilling operations with a combination of logging while drilling (LWD) and reservoir mapping sensors. Conventional...

... for improved geosteering and reservoir understanding to develop this offshore field. drilling operation logging while drilling drilling measurement directional drilling well logging stratigraphy geologist lwd log analysis geological subdiscipline boundary mapping inversion mishrif multilayer...

... Abstract Logging while drilling (LWD) technologies have been extensively developed and implemented to evaluate downhole rock and fluid properties. Nevertheless, sparsity of information, indirect measurements, and a challenging downhole environment are critical factors in obtaining accurate...