Due to the increasing need to oil, it seems necessary to increase production of oil wells. On the other hand, due to the reservoir pressure and closing of microscopic cracks and pores in the reservoir rock, oil production reduces in the course of time. Therefore, in order to achieve higher production, we need to drill new wells in the reservoir .Considering the high costs of drilling, it is not sensible to increase production from reservoirs. Consequently it is more economical to stimulation the reservoir, in order to increase permeability and enhance the production from wells, in comparison with drilling new deep wells. Ahwaz- Bangestan oil reservoir is located below a part of Ahvaz with approximately 75 km length and 8 km width. Thi reservoir consists of a sinus anticline with a mild dips that are oriented approximately north west-south east. Formations in the Ahwaz area from the surface to the depth include Aghajari, Mishan, Gachsaran, Asmari, Pabdeh, Gurpi, Ilam and Sarvak respectively. The target reservoir is located in Ilam and Sarvak formation.Different stimulation methods such as injection of acid have been done in this reservoir. Hydraulic fracturing treatment is a very practical method with high performance that has been used widely in oil and gas reservoirs in other countries. Since this work has not done In Iran, this project is defined in this regard. To perform a successful hydraulic fracturing treatment, geomechanical data of ahvaz-bangestan reservoir is needed. Consequently considering the information of driven well logs in Ahvaz-Bangestan reservoir, and data of rock mechanics tests on the samples of this reservoir rock, physical and mechanical parameters of Ahvaz-Bangestan reservoir rock is determined. Logs used in this project include, DSI, FMI and UBI logs that are driven in the Ahvaz-Bangestan reservoir by Schlumberger Company. Mechanical tests performed on rock samples considering the limited number of samples include uniaxial compressive strength test, triaxial test, Brazilian test, T-P coupling test and true triaxial test. In addition to these tests, in order to do microscopic study of reservoir rock, thin sections have been prepared and studied microscopicly. Furthermore, measuring the velocity of longitudinal and shear waves in samples, SEM Images and X ray diffraction analysis (XRD) were done on samples. Mechanical parameters measured for the Ahvaz-Bangestan reservoir rock include uniaxial compressive strength determined between 20 and 40 MPa, yang’s modulus determined between 2 to 17 GPa, and Poisson's ratio determined between 0.3 to 0.4. According to these tests,it has been observed that hydraulic fracturing can perform successfully in this reservoir. The results of T-P coupling tests show a decrease in reservoir rock strength, due to the pore pressure caused by gases in the samples.