the vapor extraction (vapex) process, a solvent-based enhanced oil recovery process has been found promising for some heavy oil reservoirs. in this work, the vapex process is studied using a compositional simulator on a number of single-block and multiple block fractured systems. pvt data of one of an iranian heavy oil reservoir are used to tune the equation of state. effects of fracture spacin...

1Division of Plastic Surgery, Ottawa Hospital-Civic Campus, 2University of Ottawa, Faculty of Medicine Correspondence and reprints: Dr Michael Bell, The Ottawa Hospital, 402 – 1919 Riverside Drive, Ottawa, Ontario K1H 1A2. Telephone 613-739-5424, fax 613-739-7168, e-mail [email protected] Skin contact of breast prostheses is considered by many to be a significant cause of ongoing subclinical i...

In regions where water resources are scarce and in high demand, it is important to safeguard against contamination of groundwater aquifers by oil-field fluids (water, gas, oil). this context, the geochemical characterisation these critical so that anthropogenic contaminants can be readily identified. The first step characterising pre-development fluid signatures (i.e., those unmodified hydrocar...

Near-wellbore rock fracture is a key subject in subsurface energy extraction. Casing perforation completion perhaps the most used type of well design mainly comparison to open hole completion. However, effects combined casing-cementing-rock structure on pressure transmission fracturing have not been sufficiently addressed, but understanding some important phenomena hydraulic fracturing, such as...

During the development of oilfields, casings in long-term service tend to be damaged different degrees, leading poor ineffective water circulation, and wasted resources. In this paper, we propose a data-based method for predicting casing failure risk at both well well-layer granularity illustrate application GX Block an eastern oilfield China. We first quantify main control factors damage by ad...

A description of a new design vibrating machine for strengthening the surface plastic deformation cylindrical long parts, in particular stabilizers wheeled carriages railway cars, is given. The main and technological parameters process vibration – centrifugal these parts are outlined. influence this hardening on such basic indicator processing as depth experimentally investigated samples from 4...