Jassim M Thabit

• Prof.Dr.
• Professor (Full) at Baghdad University College of Science

This experimental study presents a comparison between two-dimensional azimuthal and threedimensional electrical resistivity imaging techniques at a given location within the Abu-Jir Fault Zone, Central Iraq. The aim is to examine which one is a better technique in one order to study the subsurface fracture zones and to use it within and outside the...

The 2D azimuthal resistivity imaging is a new technique used to determine the subsurface fracture characteristics in Dammam aquifer within and out of Abu-Jir fault zone, southwest of Karbala City, central Iraq. This technique was carried out by Wenner–Schlumberger array through 11 stations distributed within and out of Abu-Jir fault zone. Each 2D a...

This research is an attempt to accomplish a 3-D resistivity imaging survey, which was carried out near a water well contaminated with hydrocarbon materials in Karbala governorate. Two-dimensional resistivity imaging measurements were collected along four parallel profiles, using a Wenner array with electrode spacing of 1 m. The RES3DINV program was...

Uruk archaeological site, which located in Al-Muthanna Governorate southern Iraq, was investigated by integrated geophysical methods, ground penetration radar (GPR) and electric resistivity tomography (ERT) to image the historical buried structures. The GPR images show large radar attributes characterized by its continuous reflections having differ...

The vertical electrical sounding (VES) survey was carried out by using Schlumberger array in (12) points distributed along two profiles, except VES 6 was not located within any profile. The 2D imaging survey was carried out using Wenner array in four stations. The VES results revealed the presence of two groundwater aquifers. The first is Euphrates...

Received: 27 November 2022 The current study aims to utilize the Direct Hydrocarbon Indicators technique to identify the presence of hydrocarbons in the Carbonaceous Mishrif Formation (Late Cretaceous) from the 3D seismic data (post-stack) integrated with available information of two wells (Du-1 and Du-2). The 3D-seismic survey was carried out in 2...

Three seismic instantaneous attributes (phase, frequency, and variance) had been utilized on 3D-seismic post-stack migrated data, integrated with data of two wells (Du-1 and Du-2) in Dujaila oil field, SE of Iraq. They were given good results in the detection of the presence of reef buildups and enhanced the verifying the existence of the stratigra...

A survey was conducted to investigate buried archaeological walls near the Ishtar temple in the ancient Babylon city using electrical resistivity tomography and ground‐penetrating radar methods. The survey includes applying 12 electrical resistivity tomography profiles using Dipole‐dipole array and a ground‐penetrating radar grid of 55 m × 50 m usi...

Electrical resistivity tomography (ERT) and ground-penetrating radar (GPR) were collected on the eastern side of the northern Ishtar gate in ancient Babylon, Iraq, to locate the palace wall and other surrounding walls. Due to the presence of a low resistivity (highly conductive) top layer associated with brick rubble and other debris, the GPR refle...

Electrical resistivity tomography was conducted in nine locations within ancient Babylon city, using the Wenner-Schlumberger array, to map groundwater-bearing layers. The inverted models were integrated and correlated with the geological information extracted from six boreholes drilled during the 1970s. The interpreted inverse models of the Wenner-...

This research is an attempt to solve the ambiguity associated with the stratigraphic setting of the main reservoir (late Cretaceous) of Mishrif Formation in the Dujaila oil field. This was achieved by studying a 3D seismic reflection post-stack data for an area of 602.62 Km2 in the Maysan Governorate, southeast of Iraq. Seismic analysis of the true...

In this paper, we attempt to predict the depositional environments with associated lithofacies of the main reservoir of the late Cretaceous Mishrif carbonate Formation, depending on the analysis of the created seismic isopach map by integrating seismic and well data. The isopach map was created from a 3D-seismic reflection survey carried out at the...

This research is an attempt to solve the ambiguity associated with the stratigraphic setting of the main reservoir (late Cretaceous) of Mishrif Formation in Dujaila oil field. This was achieved by studying a 3D seismic reflection post-stack data for an area of 602.62 Km 2 in Maysan Governorate, southeast of Iraq. Seismic analysis of the true amplit...

In this paper, we try to predict the depositional environments with associated lithofacies of the main reservoir late Cretaceous Mishrif carbonate Formation depending on the analysis of the created seismic isopach map by integrating seismic and well data. The isopach map had been created from a 3D-seismic reflection survey carried out at the Dujail...

We investigate three types of inhomogeneity and their effect on the measured apparent resistivity and the inverse models of the electrical resistivity tomography (ERT). The inhomogeneity types are produced by the near-surface inhomogeneity (NSI), the very low resistivity (VLR) upper layer, and the High-Low-High (HLH) resistivity upper layer. The ef...

Ukhaidir palace is an outstanding example of Mesopotamian architecture and of great interest to many researchers and archaeologists. However, the builder of this palace and the time of construction remain controversial. During recent decades, several archaeological sites and cultural heritage around it have vanished as a result of neglect, degradat...

Salinity increase in groundwater was investigated in the area between Al-Zubair and Safwan, and close to the Khor Al-Zubair Channel of southern Iraq. Thirty-nine groundwater samples from the shallow aquifer and one sample from the Khor Al-Zubair Channel were analyzed. The mean total dissolved solids are 7556 mg/L. The δ²H and δ¹⁸O plot in two group...

Um El-Adam cavity is one of the well-known cavities inside gypsum rocks in the Hit region, western Iraq, where this was chosen as a case study to evaluate 3D resistivity imaging technique detection and imaging of this type of cavity in complicated lithology. 3D view fulfilled by collating four 2D resistivity-imaging lines. The 2D resistivity imagin...

This study compares three conventional electrode arrays in 2D electrical resistivity imaging surveys by applying them to study the sedimentary layers and the hydrological situation in three coastal locations close to the Khor Al-Zubair, southern Iraq. At each location, a 2D imaging line of 1200 m length was implemented columnar the Khor Channel, us...

The 2D resistivity imaging technique was applied in an engineering study for the investigation of subsurface weakness zones within University of Anbar, western Iraq. The survey was carried out using Dipole-dipole array with an n-factor of 6 and a-spacing values of 2 m and 5 m. The inverse models of the 2D electrical imaging clearly show the resisti...

The presence of natural voids and fractures (weak zones) in subsurface gypsiferous soil and gypsum, within the University of Al-Anbar, western Iraq. It causes a harsher problem for civil engineering projects. Electrical resistivity technique is applied as an economic decipher for investigation underground weak zones. The inverse models of the Dipol...

Many archeological sites and cultural heritage in Iraq have suffered from disappearance as a result of climate factors and human interventions. In this study, principal component analysis (PCA) was used to interpret the dual-polarimetric ALOS image for the purpose of identifying the archeological remnants in the site of Tulul al-Ukhaidir. The resul...

The study area intendes for agricultural investment and establishment stations of water pumping for human use to the nearby areas, southwest of Samawah city. Twelve Two-Dimension (2-D) survey points were performed by using Wenner-Schlumberger array configuration to take the measurements. The inverse models of two survey point appear the effect of t...

The 2-D Resistivity imaging survey conducted within the desert area to meet the region's need of groundwater, due to the absence of any surface water, in addition, there are no any geophysical studies carried out previously. Ten point survey was performed to study the ground water aquifers in the southwest of Samawah city, Iraq. The length of the s...

The 2-D Resistivity imaging survey conducted within the desert area to meet the region's need of groundwater, due to the absence of any surface water, in addition, there are no any geophysical studies carried out previously. Ten point survey was performed to study the ground water aquifers in the southwest of Samawah city, Iraq. The length of the s...

Ground Penetrating Radar (GPR) survey was conducted along 31 profiles in the ancient city of Ur. The results revealed a considerable number of anomalies interpreted as walls, both intact and demolished. These walls have a range of dimensions, varying from 0.75–7 m, and begin approximately 0.2 to 0.5 m below surface and continue down to various dept...

Iraq is one of the countries that contain many important archaeological sites and manifestations of varied cultural heritage belonging to ancient civilizations, and several archaeological sites and cultural heritage are disappeared as a result of neglect. In this study, Synthetic Aperture Radar data was used to extract information regarding potenti...

Ground Penetrating Radar (GPR) method has been used in the province of Babylon, the ancient city (constituted mounts zoona) archeological site. The study area is located South of the city of Hilla by 40 km between longitudes 44˚ 24΄ 40˝ E to 44˚ 27΄ 00˝ E, and latitudes 32˚ 31΄ 10 ˝ N to32˚ 33΄ 00˝ N. The type of GPR that used in the survey fieldwo...

Groundwater represents a major water source in Bahr Al-Najaf basin. So, the knowledge of the aquifer parameters is an essential goal to assess and manage groundwater resources. A comprehensive view of the fractured and karstified aquifers within Dammam Formation at Bahr Al-Najaf basin is very important, because the karstified environments are very...

Electrical resistivity surveying for delineating seawater intrusion was performed in the Dibdibba aquifer in the area between the cities of Al-Zubair–Safwan and Al-Zubair–Umm Qasr in the vicinity of Khor AL-Zubair Channel, Basrah governorate, southern Iraq. Fourteen 2D resistivity profiles with a total length of 14 km were collected in the study ar...

Shallow vertical electrical sounding (VES) technique with Schlumberger electrode array (maximum distance between current electrodes was 50 m) through 25 VES points distributed on five traverses. Two 2D imaging lines with Wenner electrode array 30 m each corresponding to two VES traverses were conducted near well water contaminated with hydrocarbon...

A resistivity survey is performed in the northern Badra area, eastern Iraq, using a two-dimensional (2D) imaging technique. The mean goal is to compare four electrode arrays (Dipole–Dipole, Wenner–Schlumberger, Schlumberger reciprocal, and Wenner) to examine their resolution and ability in delineating the layers in complex sedimentary deposits. Six...

2D imaging technique was applied in (8) transects near a pit of contaminated water near contaminated well southeast of Karbala city, Iraq. Each transect was 30 m long with 1 m electrode spacing. Data acquisition was fulfilled by using Wenner electrode array. The resistivity of water-contaminated zone is found less than 3Ω.m and the top dry zone rec...

The relative dielectric permittivity (dielectric constant) values for various materials are measured on site. The calculated values that are derived from measuring the ratio of the electrical capacitance of a cell when the sample of the material is placed. Parallel plate technique that consists of two parallel circular metallic plates is used. The...

The survey compares the three common arrays using 2D imaging surveys, Wenner, Wenner-Schlumberger, and Dipoledipole electrode arrays, and the most suitable array is chosen in Uruk archaeological site. The Comparison consists of the resolution and efficiency of the 2D resistivity imaging survey with these arrays. Three survey tests on a selected pro...

A non-symmetrical azimuthal resistivity survey was applied with three different types of electrode arrays (Wenner, Schlumberger and polar dipole–dipole arrays) at two sites near water wells contaminated with hydrocarbon materials in order to determine the flow direction of movement of a hydrocarbon mass in the unsaturated zone. A subsurface plume o...

A 2D resistivity imaging survey was used to confirm the presences of hydraulic connection between Dammam and Umm Er Radhuma aquifers within Abu-Jir fault zone, central Iraq. This survey was carried out by Wenner-Schlumberger array through (4) 2D imaging stations. Each 2D station consists of survey line with 120 electrodes at (10m) spacing. The resu...

The researchers have tried to focus on how to determine the number of pipes that are present in one obtained hyperbola in radargram profile. Ground Penetration Radar (GPR) survey was performed to distinguish between two zero-spaced iron pipes in radargram. The field work was carried out by constructing artificial rectangular models with dimensions...

The 2D imaging survey was conducted across an unknown K-3 cavity that is located in Haditha area-Western Iraq.2D measurements are collected along two intercrossing traverses above the cavity with 105m length of each one. Dipole-dipole array is performed with n-factor of 6 and a-spacing equals to 5m. The inverse models of 2D imaging technique showed...

Abstract Vertical Electrical sounding is used for engineering purposes at Al-Jadiriya area, within Baghdad university site .Two different electrical resistivity techniques were applied using Schlumberger array. These are the Vertical electrical sounding (VES), and cross vertical electrical sounding(CVES) technique. The measurements of VES were carr...

The 3D resistivity imaging survey was carried out over Um El-Githoaa cavity in Hit area, western Iraq. Resistivity data were collected along four parallel traverses using Dipole-dipole array with electrode spacing of 2m and (n) factor equal to 6. Inversion 3D models of standard least-squares method and robust constrain method for Um El-Githoaa cavi...

ABSTRACT This study includes application of (VES) Vertical Electrical Sounding for delineation of aquifers in the area located south and southwest of Samawa City, southern Iraq. The VES was carried out by using Schlumberger array in the (16) sounding points distributed along three profiles trending (NW – SE), except one point that is not located wi...

The 2D imaging survey was carried out using Wenner-Schlumberger array through (11) 2D survey lines distributed within and out of Abu-Jir fault zone, Southwest of Karbala City, central Iraq. The aim is to delineate subsurface fractures density. The total length of each 2D survey line is (600m.) with the unit electrode spacing (a) equals to (10m.).Th...

Abstract An electrical survey was carried out by using 2D imaging technique at (15) station. The study area is located southern Al-Shihaby area, south-east of Wasit governorate, Eastern Iraq. The numbers of the employed electrodes were (120) and the (a) spacing equal to 10m, and the total length of survey line is 1200m. The inverse models of 2D ima...

Abstract The 2D imaging survey was carried out using Wenner-Schlumberger array through (11) 2D survey lines distributed within and out of Abu-Jir fault zone, Southwest of Karbala City, central Iraq. The aim is to delineate subsurface fractures density. The total length of each 2D survey line is (600m.) with the unit electrode spacing (a) equals to...

Three important electrode arrays in 2D imaging surveys were tested in this study through synthetic model to determine which array is the most successful in defining the vertical and horizontal geological structures. These arrays are Wenner-Schlumberger, Wenner and Dipole-dipole. The numerical modeling was created through vertical fracture zone and...

Buried structures of Babylonian houses district are investigated using 2D resistivity imaging techniques. 2D resistivity imaging results show upper zone , near the surface with a high resistivity value which can often be found throughout the whole area and is characterized by dried clayed and sandy soil with broken and weathered different archaeolo...

The resistivity survey was carried out by using vertical electrical sounding (VES) and 2D imaging techniques in the northern Badra area, Eastern Iraq. Eleven VES points distributed on two parallel profiles and six 2D imaging stations were applied using long survey lines. In general, two types of aquifers are recognized in the study area. The first...

This study tries to examine the correlation between the hydraulic and geoelectrical parameters in an appropriate way, to construct empirical relationship at sites in Bahr Al-Najaf basin in the middle part of Iraq. It is a first attempt of estimating mathematically the effective porosity, hydraulic conductivity, and transmissivity of a confined and...

Buried structures of Babylonian houses district are investigated using 2D resistivity imaging techniques. 2D resistivity imaging results show upper zone, near the surface with a high resistivity value which can often be found throughout the whole area and is characterized by dried clayed and sandy soil with broken and weathered different archaeolog...

The study area is located within the Hit area, western Iraq. The measurements of Graphical Bristow's method were carried out by using Pole-dipole array, to delineate the anomaly of apparent resistivity caused by a known cavity target. The survey was applied along two traverses: traverse in W-E direction and traverse in S-N direction above Um El-Git...

Abstract: The 2D imaging survey was conducted across a known cavity, called the Um El-Githoaa cavity, and it is located in (Hit area-Western Iraq). The synthetic sequences of electrodes of various electrode arrays were generated to select the suitable array parameters such as a- spacing and n- factor to survey. 2D measurements are collected along t...

Some important references of the resistivity method published in Ph.D. Thesis of Al-Ani Jassim M. Thabit(1998)

Table of measurements of vertical electrical sounding (VES) of Schlumberger array modified after (Bhatt. and Patra, 1968), published in Ph.D. Thesis of Jassim M. Thabit (1998).

The purpose of this study is to determine the vertical and horizontal Lithological variations, thicknesses, and sedimentary sequence, using the vertical electrical sounding technique (Schlumberger arrangement). Twenty five measuring points were established and their interpreted data were tied to two local wells. After constructing the geoelectrical...

This study comprises a detailed survey of a Hill in the northeast corner of the ancient city of Nineveh. Electrical resistivity measurements were taken along 25 parallel traverses, oriented N42°W direction, each with a length of 75m, measurements were taken at 5m interval along each profile using Wenner array. Expanding of electrodes is normal to t...

An electrical survey has been carried out in an area A primary survey using located south-west of Hamam Al-Alil. A primary survey using the VES technique, Schlumberger arrangement, at two measuring stations was conducted to evaluate the depth of possible cavity containing zones. The VES results was a1so used to determine the suitable current electr...

An electrical resistivity survey has in the Northern part of archaeological Nineveh town. Wenner array "was used to obtain the measurements along four traverses, in order to locate buried archaeological structures. Also, depths and thicknesses for these structures were determined from the VES results which were taken over anomaly centers appearing...

An electrical sounding survey has been carried out in area near Mosul City. The Schlumberger arrangement technique was used in (23) measuring stations, which were distributed along three traverses. The separation between successive stations ranged from 500 to 1000 meters whereas, the maximum distance separating current electrodes were between 1020-...

A geophysical electrical resistivity survey was carried out at the Jolak river basin (Alton Kupri), for the area A geophysical electrical resistivity survey was carried out at the Jolak river basin (Alton Kupri), for the area which is located between latitudes (35 40'-35 42') and longitudes (44 13'-44 17'), covering about 177 Km2.Vertical electrica...

البحث الحالي يشكل متابعة وتحقيق لبحث اجري على المنطقة نفسها بأستخدام التحري المغناطيسي(الداؤد،1984) .فقد تم التوصل من خلال التحري المغناطيسي الى تثبيت ممقع سور قديم مربع الشكل يقع في الزاوية الجنوبية من المدينة ألأثرية خورسباد. كذلك تم تخمين سمك وعمق هذا السور. وألأسشكشاف الكهربائي الحالي يهدف الى تقييم النتائج السابقة وكذلك تقييم الطريقة نفسها في...

The quantitative interpretation of vertical electrical sounding(VES) data has been used to determine the resistivity and thicknesses with depths of different electrical horizons (Layers) from the apparent resistivity field curves. There are many methods used in the quantitative interpretation, but two of them are widely used. Both methods are based...