reservoir engg 3 min read
OIL RECOVERY: RECOVERY FACTOR
Equation (1.2), for the STOIIP, can be converted into an equation for calculating the ultimate oil recovery simply by multiplying…
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reservoir engg 2 min read
FLUID PRESSURE REGIMES
The total pressure at any depth, resulting from the combined weight of the formation rock and fluids, whether water, oil…
reservoir engg 3 min read
BASIC CONCEPTS IN RESERVOIR ENGINEERING
In the process of illustrating the primary functions of a reservoir engineer, namely, the estimation of hydrocarbons in place, the…
petroleum production 8 min read
Formation damage
Producing formation damage has been defined as the impairment of the unseen by the inevitable, causing an unknown reduction in…
petroleum production 10 min read
Formation damage from paraffins and asphaltenes
Perhaps the most common formation damage problem reported in the mature oil-producing regions of the world is organic deposits forming…
petroleum production 8 min read
Scale problems in production
Wells producing water are likely to develop deposits of inorganic scales. Scales can and do coat perforations, casing, production tubulars,…
petroleum production 8 min read
Nodal analysis
Systems analysis has been used for many years to analyze the performance of systems composed of multiple interacting components. Gilbert[1] was…
petroleum production 2 min read
Flow through chokes
A wellhead choke controls the surface pressure and production rate from a well. Chokes usually are selected so that fluctuations…
petroleum production 2 min read
Tubing Selection, Design, and Installation
IntroductionTubing is the normal flow conduit used to transport produced fluids to the surface or fluids to the formation. Its…
petroleum production 5 min read
Multiphase Flow Properties Pressure Gradient Calculation
For oil wells, the main component of pressure loss is the gravity or hydrostatic term. Calculation of the hydrostatic pressure…
