The Experts below are selected from a list of 252 Experts worldwide ranked by ideXlab platform

Twinkle Singh - One of the best experts on this subject based on the ideXlab platform.

  • Approximate solution of imbibition phenomenon arising in heterogeneous porous media by optimal homotopy analysis method
    International Journal of Computational Materials Science and Engineering, 2019
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    This paper deals with approximate homotopy series solution of imbibition phenomenon occurring in multiphase flow during the Secondary Oil Recovery process. In heterogeneous porous media, the geometry of pores is irregular while in homogeneous porous media, the geometry of pores is uniformly same. The comparative study of counter-current imbibition phenomenon in heterogeneous and homogeneous porous medium has been also discussed. The governing partial differential equation obtained by mathematical formation of imbibition phenomenon has been solved by the optimal homotopy analysis method. The numerical as well as graphical interpretation of the solution have been given.

  • Approximate solution of imbibition phenomenon arising in heterogeneous porous media by optimal homotopy analysis method
    International Journal of Computational Materials Science and Engineering, 2019
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    This paper deals with approximate homotopy series solution of imbibition phenomenon occurring in multiphase flow during the Secondary Oil Recovery process. In heterogeneous porous media, the geomet...

  • Study on fingero imbibition phenomena in inclined porous media by optimal homotopy analysis method
    Ain Shams Engineering Journal, 2018
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    Abstract The approximate solution of fingero imbibition phenomena governed by a nonlinear partial differential equation is discussed in the present paper. The primary Oil Recovery process was due to natural sOil pressure, but in the Secondary Oil Recovery process water flooding plays an important role. When water is injected through the injection well for recovering the reaming Oil after primary Oil Recovery process, it comes to contact with the native Oil and at that time the fingero imbibition phenomena occur due to different viscosity. For the mathematical modeling, we consider the homogeneous inclined porous medium and comparative study of without inclination and with inclination has been done, and also optimal homotopy analysis method has been used to solve the partial differential equation governed by the mathematical modeling. The graphical representation of the solution is given by MATHEMATICA and physically interpreted.

  • The combined approach to obtain approximate analytical solution of instability phenomenon arising in Secondary Oil Recovery process
    Computational and Applied Mathematics, 2017
    Co-Authors: Kunjan Shah, Twinkle Singh
    Abstract:

    Instability phenomenon mainly occurs in Secondary Oil Recovery process due to viscosity difference of water and Oil. Mathematical modeling of this phenomenon yields the non-linear partial differential equation. The homotopy perturbation new integral transform method has been proposed to solve this non-linear partial differential equation subject to appropriate initial and boundary conditions. It is concluded that the saturation of injected water $$S_\mathrm{w}(X, T)$$ is increasing during instability phenomenon, when length of fingers(perturbance) and time increases.

  • A mathematical modelling of imbibition phenomenon in inclined homogenous porous media during Oil Recovery process
    Perspectives in Science, 2016
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    Summary The approximate solution of imbibition phenomenon governed by non-linear partial differential equation is discussed in the present paper. Primary Oil Recovery process due to natural sOil pressure, but in the Secondary Oil Recovery process water flooding plays an important role. When water is injected in the injection well for recovering the reaming Oil after primary Oil Recovery process, it comes to contact with the native Oil and at that time the imbibition phenomenon occurs due to different viscosity. For the mathematical modelling, we consider the homogeneous porous medium and optimal homotopy analysis method has been used to solve the partial differential equation governed by it. The graphical representation of the solution is given by MATHEMATICA and physically interpreted.

J.c. Anderson - One of the best experts on this subject based on the ideXlab platform.

  • Secondary Oil Recovery from selected Carter sandstone Oilfields--Black Warrior Basin, Alabama. Final report
    1995
    Co-Authors: J.c. Anderson
    Abstract:

    Producibility problems, such as low reservoir pressure and reservoir heterogeneity, have severely limited Oil production from the Central Bluff and North Fairview fields. Specific objectives for this project were: To successfully apply detailed geologic and engineering studies with conventional waterflood technologies to these fields in an effort to increase the ultimate economic Recovery of Oil from Carter sandstone fields; To extensively model, test and evaluate these technologies; thereby, developing a sound methodology for their use and optimization; and To team with Advanced Resources International and the US DOE to assimilate and transfer the information and results gathered from this study to other Oil companies to encourage the widespread use of these technologies. At Central Bluff, water injection facilities were constructed and water injection into one well began in January 1993. Oil response from the waterflood has been observed at both producing wells. One of the producing wells has experienced early water breakthrough and a concomitant drop in Secondary Oil rate. A reservoir modeling study was initiated to help develop an appropriate operating strategy for Central Bluff. For the North Fairview unit waterflood, a previously abandoned well was converted for water injection which began in late June 1993. The reservoir ismore » being re-pressurized, and unit water production has remained nil since flood start indicating the possible formation of an Oil bank. A reservoir simulation to characterize the Carter sand at North Fairview was undertaken and the modeling results were used to forecast field performance. The project was terminated due to unfavorable economics. The factors contributing to this decision were premature water breakthrough at Central Bluff, delayed flood response at North Fairview and stalled negotiations at the South Bluff site.« less

  • Secondary Oil Recovery from selected Carter sandstone Oilfields -- Black Warrior Basin, Alabama. Quarterly technical progress report, September 1--November 30, 1993
    1994
    Co-Authors: J.c. Anderson
    Abstract:

    Anderman/Smith Operating Co. is operating a Secondary Oil Recovery project involving the Carter sandstone in northwest Alabama. The project objectives are: (1) to increase the ultimate economic Recovery of Oil from the Carter reservoirs, thereby increasing domestic reserves and lessening US dependence on foreign Oil; (2) to extensively model, test, and monitor the reservoirs so their management is optimized; and (3) to assimilate and transfer the information and results gathered to other US Oil companies to encourage them to attempt similar projects. As a result of waterflood operations at the Central Buff unit, Oil production from the Fowler Brasher 7--9 well increased to 40--50 stb/d in late October, and averaged about 45 stb/d in November with no measurable water production. Production at the Fowler Dodson 8--12 was more erratic during the same period. In October, the Oil rate for this well increased to nearly 17 stb/d with no reported water production. However, in November the Oil production rate declined to about 9 stb/d with an associated average water rate of nearly 17 bpd. Water analysis showed that this produced water was significantly fresher than the connate water produced prior to waterflood operations. This provides evidence for early breakthrough of water more » injected at the Jones 7--16 well and will be an important consideration in the reservoir modeling study being performed for the unit. There has been essentially no change in the waterflood response at the North Fairview Unit during the last quarter. Oil production rates from the three producing wells have remained unchanged; that is, 3 stb/d for Smith 33-6, 2 stb/d for Perkins 33--11, and 1 stb/d for the Perkins Young 33--10 well. « less

  • Secondary Oil Recovery from selected Carter sandstone Oilfields, Black Warrior Basin, Alabama
    1993
    Co-Authors: J.c. Anderson
    Abstract:

    The objectives of this Secondary Oil Recovery project involving the Carter sandstone in northwest Alabama are: (1) To increase the ultimate economic Recovery of Oil from the Carter reservoirs, thereby increasing domestic reserves and lessening US dependence on foreign Oil; (2) To extensively model, test, and monitor the reservoirs so their management is optimized; and (3) To assimilate and transfer the information and results gathered to other US Oil companies to encourage them to attempt similar projects. Start-up water injection began on 0 1/12/93 at the Central Bluff Field, and daily operations began on 01/13/93. These operations include monitoring wellhead pressures at the injector and two producers, and injection water treatment. Water injection was running 200-300 bbl/day at the end of February. Once the unit is pressured-up well testing will be performed. Unitization was approved on 03/01/93.b. For the North Fairview Field correlations and log analyses were used to determine the fluid and rock properties. A summary of these properties is included in Table 1. The results of the log analysis were used to construct the hydrocarbon pore volume map shown on Figure 1. The map was planimetered to determine original Oil-in-place (OOIP) values and the hydrocarbon pore volume bymore » tract. The OOIP summed over an tracts by this method is 824.7 Mbbl (Figure 2). Original Oil-in-place was also calculated directly: two such independent calculations gave 829.4 Mbbl (Table 1) and 835.6 Mbbl (Table 2). Thus, the three estimates of OOIP are within one percent. The approximately 88% of OOIP remaining provides an attractive target for Secondary Recovery. Injection start-up is planned for mid-June.« less

Twinkle R. Patel - One of the best experts on this subject based on the ideXlab platform.

  • A mathematical model of imbibition phenomenon in heterogeneous porous media during Secondary Oil Recovery process
    Applied Mathematical Modelling, 2013
    Co-Authors: Kinjal R. Patel, M. N. Mehta, Twinkle R. Patel
    Abstract:

    Abstract The present paper discuses the solution of one-dimensional mathematical model for counter-current water imbibition phenomenon occurring into an Oil-saturated cylindrical heterogeneous porous matrix. During Secondary Oil Recovery process when water is injected in Oil formatted heterogeneous porous matrix then at common interface the counter current imbibition phenomenon occurs due to the difference of viscosity of water and Oil which satisfies imbibition condition V i = - V n . The governing differential equation of this phenomenon is in the form of non-linear partial differential equation which has been converted into non-linear ordinary differential by using similarity transformation. The solution of this problem has been obtained in term of power series by using appropriate boundary condition at common interface. The graphical presentation is obtained by using MATLAB and final solution physically interpreted.

Shreekant Pathak - One of the best experts on this subject based on the ideXlab platform.

  • Approximate solution of imbibition phenomenon arising in heterogeneous porous media by optimal homotopy analysis method
    International Journal of Computational Materials Science and Engineering, 2019
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    This paper deals with approximate homotopy series solution of imbibition phenomenon occurring in multiphase flow during the Secondary Oil Recovery process. In heterogeneous porous media, the geomet...

  • Approximate solution of imbibition phenomenon arising in heterogeneous porous media by optimal homotopy analysis method
    International Journal of Computational Materials Science and Engineering, 2019
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    This paper deals with approximate homotopy series solution of imbibition phenomenon occurring in multiphase flow during the Secondary Oil Recovery process. In heterogeneous porous media, the geometry of pores is irregular while in homogeneous porous media, the geometry of pores is uniformly same. The comparative study of counter-current imbibition phenomenon in heterogeneous and homogeneous porous medium has been also discussed. The governing partial differential equation obtained by mathematical formation of imbibition phenomenon has been solved by the optimal homotopy analysis method. The numerical as well as graphical interpretation of the solution have been given.

  • Study on fingero imbibition phenomena in inclined porous media by optimal homotopy analysis method
    Ain Shams Engineering Journal, 2018
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    Abstract The approximate solution of fingero imbibition phenomena governed by a nonlinear partial differential equation is discussed in the present paper. The primary Oil Recovery process was due to natural sOil pressure, but in the Secondary Oil Recovery process water flooding plays an important role. When water is injected through the injection well for recovering the reaming Oil after primary Oil Recovery process, it comes to contact with the native Oil and at that time the fingero imbibition phenomena occur due to different viscosity. For the mathematical modeling, we consider the homogeneous inclined porous medium and comparative study of without inclination and with inclination has been done, and also optimal homotopy analysis method has been used to solve the partial differential equation governed by the mathematical modeling. The graphical representation of the solution is given by MATHEMATICA and physically interpreted.

  • A mathematical modelling of imbibition phenomenon in inclined homogenous porous media during Oil Recovery process
    Perspectives in Science, 2016
    Co-Authors: Shreekant Pathak, Twinkle Singh
    Abstract:

    Summary The approximate solution of imbibition phenomenon governed by non-linear partial differential equation is discussed in the present paper. Primary Oil Recovery process due to natural sOil pressure, but in the Secondary Oil Recovery process water flooding plays an important role. When water is injected in the injection well for recovering the reaming Oil after primary Oil Recovery process, it comes to contact with the native Oil and at that time the imbibition phenomenon occurs due to different viscosity. For the mathematical modelling, we consider the homogeneous porous medium and optimal homotopy analysis method has been used to solve the partial differential equation governed by it. The graphical representation of the solution is given by MATHEMATICA and physically interpreted.

Ahmed M. Al-sabagh - One of the best experts on this subject based on the ideXlab platform.

  • Hydrophobically associated polymers for wettability alteration and enhanced Oil Recovery – Article review
    Egyptian Journal of Petroleum, 2017
    Co-Authors: A.n. El-hoshoudy, Ahmed M. Al-sabagh, S.e.m. Desouky, Mohamed Y. Elkady, Mohamed A. Betiha, Sawsan A. Mahmoud
    Abstract:

    Abstract Crude Oil and other petroleum products are crucial to the global economy today due to increasing energy demand approximately (∼1.5%) per year and significant Oil remaining after primary and Secondary Oil Recovery (∼45–55% of original Oil in place, OOIP), which accelerates the development of enhanced Oil Recovery (EOR) technologies to maximize the recovered Oil amount by non-conventional methods as polymer flooding. This review discusses enhanced Oil Recovery methods specially polymer flooding techniques and their effects on rock wettability alteration.

  • Synergistic inhibition effect between Cu2+ and cationic gemini surfactant on the corrosion of downhole tubing steel during Secondary Oil Recovery of old wells
    Corrosion Science, 2012
    Co-Authors: M.a. Migahed, M.a. Hegazy, Ahmed M. Al-sabagh
    Abstract:

    Abstract The synergistic inhibition effect between Cu 2+ and cationic gemini surfactant namely; 1,2-ethane bis(N,N-dimethylhexadecylammonium bromide); on the corrosion behavior of downhole tubing steel during Secondary Oil Recovery of old wells was investigated by weight loss, potentiodynamic polarization and electrochemical impedance spectroscopy (EIS) techniques. The results revealed that Cu 2+ and cationic gemini surfactant mixture had a good inhibitive effect on the corrosion of carbon steel in produced water from the Oil well. The surface parameters of surfactant were calculated from surface tension measurements at the air–water interface. The nature of protective film formed on steel surface was studied using EDX and SEM.