Publications

 (1)           Celik, M.S., Shakeel, A., Al-Yousef, H.S. and Al-Hashim, H.S. "Adsorption of Ethoxylated Sulfonates on Limestone," Adsorption Science and Technology,  5, (1988),  pp. 29-41.

 (2)           Al-Hashim, H.S., Celik, M.S., Oskay, M.M. and Al-Yousef, H.Y., "Adsorption and Precipitation Behavior of Petroleum Sulfonates from Saudi Arabian Limestone," Journal of Petroleum Science and Engineering,  1, (1988), pp. 335-344.

 (3)           Al-Yousef , H.Y. and Al-Marhoun, M.A. "Discussion of Correlation of PVT Properties for UAE Crudes",  SPE Formation Evaluation, March 1993, pp. 80-81.

 (4)           Al-Hashim, H.S., Kissami, M. and Al-Yousef, H.Y. "Effect of Multiple Hydraulic Fractures on Gas-Well Performance", Journal of Petroleum  Technology, June 1993, pp. 558-563.

 (5)           Aggour, M.A., Tchelepi, H.A. and Al-Yousef, H.Y., "Effect of Electroosmosis on Relative Permeabilities of Sandstones," Journal of Petroleum Science and Engineering, June 1994, pp. 91-102.

 (6)           Al-Yousef, H.Y. and Al-Marhoun, M.A., "Automated Method for Smoothing Experimental Flash Liberation PVT Data,"  will be published in the Journal of Canadian Petroleum Technology, March 1995.

 (7)          Aggour, M.A., Al-Yousef, H.Y. and Al-Muraikhi, A.J., "Vertical Multiphase Flow Correlations for High Production Rates and Large Tubulars," SPE Production & Facilities, Feb. 1996, pp. 41-48.

(8)          H. S. Al-Hashim, , Al-Yousef, H.Y.,  Arshad, A., Jilani,S.Z.,  Saif-ur-Rahman, Habelreeh, A., and Nofal, W. “Application of X-ray Scanner in Measurement of Gas Condensate Relative Permeability Using Steady – State Method”, Journal of Science and Technology ,Volume 25, Issue 8, August 2007, pages 1081 – 1097.

1. Aggour, M.A., Al-Yousef, H.Y. and Al-Muraikhi, A.J., “Vertical Multiphase Flow Correlations for High Production Rates and Large Tubulars,” paper SPE 28465 presented at the SPE Annual Technical and Exhibition Conference, New Orleans, Sept. 25-29, 1994.

2. Al-Yousef, H.Y., Lichaa, P.M., Al-Kaabi, A.U. and Alpustan, H., “Wettability Evaluation of a Carbonate Reservoir Rock from Core to Pore Level.” paper SPE 29885 presented at the 9^th Middle East Oil Show & Conference, March 11-14, 1995, Manama, Bahrain.

3. Al-Neaim, S.A., Aggour, M.A. and Al-Yousef, H.Y., “Horizontal Multiphase FlowCorrelations for Large Diameter Pipes and High Flow Rates,” SPE paper 29850published in the proceedings of the 9^th Middle East  Oil Show & Conference, March 11-14, 1995, Manama, Bahrain.

4. Al-Hashim, H.S., Obriora, V, Al-Yousef, H.Y., Fernandez, F., and Nofal, W., “Alkaline Surfactant Polymer Formulation for Saudi Arabian Carbonate Reservoir”, SPE paper 35353 presented at the 1996 SPE/DOE Technical Symposium on Improved Oil Recovery, Tulsa, OK, 21-24 April, 1996.

5. Al-Kaabi, A.U., Mimoune, K., and Al-Yousef, H.Y., “Effect of Hysteresis on the Archie Saturation Exponent.” paper SPE 37738 presented at the 10^th Middle East Oil Show & Conference, March 15-18, 1997, Bahrain.

6. Alfonso Rodriguez, Pierre M. Lichaa, and Hasan Y. Al-Yousef, “Surface Charge Behavior of a Carbonate Rock in Presence of Surfactants.” Presented at the second International Symposium on Colloid Chemistry in Oil Production, August 31-Sept. 3, 1997, Rio de Janeiro, Brazil.

7. H. S. Al-Hashim, H. Y. Al-Yousef, A. Arshad, S. Z. Jilani, Saifur Rahman, Wasif Nofal and A. Habelreeh.“Application of X-ray Scanner in Measurement of Gas Condensate Relative Permeability Using Steady - State Method”SPE SA-70 paper presented at the 2004 SPE Technical Symposium of Saudi Arabia Section held in Dhahran, Saudi Arabia, 15-17 May 2004.

8. A. A. Habelreeh, M. A. Mohiuddin, S. Saner, and H. Y. Al-Yousef “Comparison of Basic Core Properties of Carbonate Reservoir Rocks at Ambient and Reservoir Stress Conditions”. SPE SA-58 paper presented at the 2004 SPE Technical Symposium of Saudi Arabia Section held in Dhahran, Saudi Arabia, 15-17 May 2004.

9. A. N. Khan, H. Y. Al-Yousef, "Incorporating the Effects of Gas-Slippage and Non-Darcy Flow in the Measurement of Permeability using Pressure Pulse Decay Technique", Paper presented at the PAPG-SPE ATC-2004, Islamabad, Pakistan, 8-9 October 2004.

10. H.Y. Al-Yousef, "Permeability Anisotropy Measurement on Whole Cores-Analytical Solution and Application”, Paper SPE 93559 presented at the 14thMiddle East Oil Show & Conference, March 12-15, 2005, Bahrain.

11. M. A. Awal, H. D. Zughbi, S. A. Razzak, A. A. Al-Majed, H. Y. Al-Yousef, "Liquids Phase Holdup and Separation Characteristics as a Function of Well Inclination and Flowrate", Paper SPE SA-0520, presented at the 2005 SPE Arabia, Technical Symposium of Saudi Arabia Section held in Dhahran, Saudi 14-16 May 2005.

12. S. M. Al-Mutairi, H. Y. Al-Yousef, F. Al-Ajmi, and H. S. Al-Hashim, “Cyclic Production Scheme: Successful Application to Mature Areas ", 2008 SPE Saudi Arabia Section Technical Symposium held in Alkhobar, Saudi Arabia, 10–12 May 2008.

13. A. A. Awotunde, H. S. Al-Hashim, M. N. Al-Khamis, and H. Y. Al-Yousef, “Interference Testing of Using Finite Conductivity Horizontal Wells of Unequal Lengths", SPE 08049, presented at 2008 SPE Eastern Regional/AAPG Eastern Section Joint Meeting to be held on 13-15 OCT-08 in Pittsburgh, PA.

(1)           Al-Hashim, H.S.,  Celik, M.S., Menouar, H., Al-Yousef, H.Y. and M.M. Oskay, "Surfactant/Polymer Flooding of Saudi Limestone Oil Reservoirs," Final Report, KACST Research Project  AR/6/161, September 1990.

(2)           "Petrophysical Investigation of Zone 3 in the Arab-D Reservoir"  Final Report, KFUPM RI (Div.I) , Project No. 21060, conducted for Saudi Aramco , Co-author (October 1989).

 (3)           "Electrical Parameters for Resistivity Log Interpretation - Part II,"  Final Report, KFUPM RI (Div. I)  Project No. 21089, conducted for Saudi Aramco,  Co-author  (June 1992).

 (4)           "Rock Wettability: Restoration for Core Analysis and Effect on Oil Recovery," Final Report, KFUPM RI  (Div. I), Project No. 21090, conducted for  Saudi Aramco, Co-author (June 1992).

 (5)           "Rock Wettability: Restoration for Core Analysis and Effect on Oil Recovery-II," Final Report, KFUPM RI  (Div. I), Project No. 21109, conducted for Saudi Aramco, Co-author  (September 1994).

 (6)           "Capillary Pressure and Relative Permeability by Layer (Arab-D Reservoir, Ghawar),"  KFUPM RI (Div. I), Project No.21127, conducted for Saudi Aramco, Co-author (1997).

 (7)         “Rock Mechanics Study of the Ghawar Khuff Reservoirs,” KFUPM RI (Div. 1) Project No. 21148, conducted for  Saudi Aramco, Co-author (1997).

 (8)     “Evaluation of Wettability and Its Effects of the Dynamic Flow Properties,” KFUPM RI (CPM) Project No. 21173, funded by KFUPM and JNOC, Co-author (May 2003).

 (9)     "Study of Archie Parameters and CT visualization of Fluid Flow in Arab-D Cores," KFUPM RI (CPM) Project No. 2224, conducted for SCHLUMBERGER, Co-author (Sept. 2003).