... drilled in three sub-fault blocks show poor well correlation and different oil water contact even though the distance among wells is less than 2km. Electricity resistivity image log of two appraisal wells show variable fracture orientation and unclear fracture effectiveness. Vague understanding...

..., and computing the corresponding orientation of the structure. The workflow starts with borehole images and the associated segments provided by the "auto dip picking" algorithm. A convolutional neural network detects bedding features and categorizes them as sinusoidal or non-sinusoidal bedding features...

... has been effectively applied to identify near-well formation fractures and determine their orientation; but the evaluation of the fluid conducting effectiveness of the acoustically-imaged fractures remains a challenging task. To accomplish this task, this paper proposes a method that combines...

... Abstract As additional wells are being drilled worldwide to develop oil and gas reserves, technologies for detecting an existing well and determining its relative distance and azimuthal orientation from a new well being drilled are extremely important. These technologies are essential...

... portion of a well. Near-wellbore natural fracture orientations and clustering were determined from both image and dipole sonic data in a horizontal well on the pad. Far-field natural fracture orientations and clustering were determined from the dipole sonic data and 3D seismic. Frac water resistivity...

... frequency well logging hydraulic fracturing directional drilling borehole imaging orientation drilling fluid chemistry log analysis shale gas complex reservoir spwla-2021-0009 resistivity borehole imager nd annual logging symposium imager structural geology upstream oil & gas spwla 62...

... features in the wellbore images allowed determining the orientation of the local stress acting on the wellbore. The geomechanical model obtained was used to predict the occurrence of mechanical or hydraulic instability along the well and compare the prediction with the events actually observed in the well...

... cable by identifying its information will give customers greater confidence in location behind casing. the execution of oriented perforation procedures, without damaging fiber optic cable flatpack. Circumferential ultrasonic scanning techniques have been used for many years to inspect the casing itself...

... stack and the reservoir beds drape against an E-W oriented salt wall. Consequently, the assessment and removal of the structural dip component is not trivial and the evaluation of paleo-transport directions is considerably more complicated compared to undisturbed deepwater reservoirs. The intention...

... as seen by the Stoneley This paper was prepared for the SPWLA 62nd Annual Logging Symposium held online reflectivity and the sonic-resistivity borehole imagers. Open from May 17-20, 2021. fractures are clearly characterized in terms of orientation and aperture, extension inside the reservoir could...

... ABSTRACT An innovative technique orients and centers wireline toolstrings in the wellbore to ensure high-quality data acquisition. The system comprises wheeled carriages and angled guides and takes a holistic approach to wireline tool conveyance, reducing drag while ensuring optimum sensor...

... operation orientation cohesion log analysis complex reservoir annular pressure drilling wellbore failure july 29 spwla 61 june 24 lateral symposium syncline breakout orientation lateral well breakout image log instability weak bedding plane bedding plane SPWLA 61st Annual Logging...

... to interpret fracture type, fracture orientation & computation of fracture attribute.Core observation was conducted on seven cored wells by using visual inspection, whole core CT scan, dual energy plug CT scan, thin sections and routine core analysis data. The data is depth matched and then integrated...

... distribution of fluids throughout the stratigraphic column. The use of borehole imaging is important for understanding and identifying these dykes and their orientation in the vicinity of the borehole wall. Image interpretation suggests that dyke emplacement tends to follow pre-existing natural fracture trends...

... to provide information obtained in a study involving 188 image logs over the Elk Hills structure. The study was designed to identify variability in fracture type, orientation, aperture and relationship to bedding over the field. We will outline the systematic approach from Scope of Work, project Quality...

... technology can locate proppants placement, but geometrical form or orientation of the fracture cannot be obtained. A new non-radioactive tracer gamma ray image measurement system is proposed to acquire fracture geometry and orientation. For this measurement system, multi-detector array structure is adopted...

... and waveform mode conversion (especially when monopole energy is used). Images can be blurred by ringing that is inherent in the waveform data, and feature orientation can often be uncertain because of the waveform propagation patterns and lack of azimuthal sensitivity of the measurement. Recent developments...

... that estimates fracture presence by using measurements of attenuation of dipole acoustic waveforms as a complement to the established Stoneley fracture analysis. The new approach computes normalized differential energies (NDE's) for the oriented dipole for subsequent integration with the traditional Stoneley...

... drilling measurement logging while drilling orientation log analysis structural geology structural environment drilling data acquisition LWD resistivity image high-dip structural environment resistivity value forward modeling vertical plane target zone Symposium resistivity...

... of the stimulation job and estimate the existence/dimensions/orientation of the fractures after proppant injection. The data before and after the fracture stimulation were assessed with a combination of cross-dipole acoustic azimuthal anisotropy analysis to visualize the nearwellbore environment, and "deep shear...