Journal of
Petroleum and Gas Engineering

  • Abbreviation: J. Petroleum Gas Eng.
  • Language: English
  • ISSN: 2141-2677
  • DOI: 10.5897/JPGE
  • Start Year: 2010

JPGE Articles in press

Article in Press

To What Extent Could Methanol, Toluene and Gas Condensate affect Heavy Crude oil Viscosity, Sheikhan Oil Field, Kurdistan, Iraq?

Sheikhan crude oil faces obstacles during transportation from production wellsite to processing facilities due to high viscosity. To enhance the flowability, reducing the sheikhan crude oil viscosity is a promising approach. For this purpose, a heavy crude oil sample from Sheikhan oilfield was blended with various rate of industrial polar solvents such as (Toluene, methanol) and gas condensate at different...

Author(s):Hawbash Mahmood, Ahmed AlBajalan

Article in Press

Predicting the impact of high capillary pressure on the performance of hydraulic fracturing

The hydraulic fracturing of gas reservoirs with little or no mobile water is problematic because capillary pressure is high. Capillary forces are directed against the flow of the injection fluid and act to imbibe the fluid into the reservoir. This results into relatively low fracture lengths and relative high net pressures (injection pressure minus minimum horizontal stress). Capillary pressure up to 10 MPa have been...

Author(s):Schwartz Michael Otto

Article in Press

Crude Oil Yields Prediction: A Case Study of Tema Oil Refinery - A Software Approach

Yield prediction is an integral part of every refinery process due to the intricacy of the process and composition of crude oil. Inability to sufficiently predict the yields before refinery process creates challenges such as inadequacy in planning the operating conditions to meet product target, product optimisation failure and inability to meet product market specification. Predicting yields using a yield pattern model...

Author(s):Solomon Adjei Marfo, Prince Opoku Appau, Daniel Tettegah

Article in Press

Effect Of Improved Water And Gas Injection Schemes On Synthetic Oil Rim Models

Oil recovery in oil rim reservoirs are usually affected by reservoir and operational parameters. Placket Burman design of experiment was used to develop various models of oil rims with a broader range of uncertainties. Mensuration analysis was used to create the basic grid designs while the Eclipse software was used to incorporate PVT (pressure, volume and temperature) and solution properties to create a black oil model...

Author(s):Olabode O. A

Article in Press

Testing and Analysis Rheological Properties of Water Based Mud Using New Organic Additives

Polymers which are used as fluid loss control agents are commonly organic and are used in both circulating as well as non-circulating phases of drilling operations. Drilling costs associated with these types of agents are very high contributing to 5 – 15% of total drilling costs and hence it is very important to find a substitute for these additives that can be used for same purpose but at lower drilling cost and at better...

Author(s):Biltayib Misbah Biltayib

Article in Press


The sulphur content in refined petroleum products namely diesel (AGO), kerosene (DPK) and gasoline (PMS) obtained from a commercial Filling Station in Abakaliki, Ebonyi State were determined before and after desulphurization with aqueous ionic solutions of NaOH, BaCl2, Ca(OH)2 and HCl using a single beam UV-Vis spectrophotometer (Genesys 1OS, Thermo-Scientific). Results obtained showed that the amount of sulphur contained...

Author(s):UDE OBINI, Joseph Afiukwa

Article in Press

Laboratory study of rheological properties of novel drilling fluid

Rheological specifications of drilling mud which contains nano zinc oxide ( 1 gr) in high temperature – high pressure viscometer are considered in this work to simulate the drilling conditions occurred in deep wells. Shear stress, shear rate, effective viscosity, plastic viscosity and gel strength are measured versus temperature (30, 40, 50, 60, 70 and 80 C) and working time (0, 1, 3, 5, 7, 10, 12 and 15 days). Also,...

Author(s):FARSHAD FARAHBOD, Amin Shafie, Ghassem Zargar

Article in Press

Enhanced Oil Recovery Practices: Global Trend, Nigeria’s Present Status, Prospects and Challenges

Unimpressive oil recovery characterized by declining oil rates and increasing water cut and gas-oil ratio trend necessitates the need for enhanced oil recovery (EOR). However, at present, EOR is yet to be applied in Nigeria, though it was reported that by December 2008 approximately 52 billion barrels of crude oil were potential targets for EOR in Nigeria. It is against this background that this paper reviews the global...

Author(s):Alawode Adeolu Julius

Article in Press

Numerical Investigation of Rock and Fluid Properties on Water-Oil Relative Permeability Curves by Design of Experiment Method

Relative permeability curves crucially control fluids displacement and reservoir performance in any fluid injection process and EOR projects. Unsteady state core flood test, considered in this study, is the most common method to calculate relative permeability curves. Ignoring capillary pressure and core heterogeneity, the well-known Johnson, Bossler and Neumann (JBN) method is usually used to calculate kr curves in these...


Article in Press

High resolution infill drilling modeling: A viable tool for effective field development and optimization

The drive for infill drilling is capacitated by the sudden quest for oil and gas development and optimization particularly in the Niger Delta has critical geotechnical constraints such as the favourable position, number of wells and even to know when the well should come on stream. The aim of this study is to apply the above statement with the view of determining the reasonable maximum cumulative gas to be produced and to...


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