petroleum formation evaluation 2 min read
Definition of Well Logging
Did you know that in a lot of areas people get their water from wells? Instead of getting water from…
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petroleum formation evaluation 8 min read
Fluid typing with NMR logging
Hydrocarbon typing and prediction of fluid properties by nuclear magnetic resonance (NMR) logs is predicated on reliable laboratory correlations between…
petroleum formation evaluation 3 min read
Standard interpretation
Standard interpretation is the process of determining volumes of hydrocarbons in place from wireline logs, or log interpretation. This process requires…
petroleum formation evaluation 6 min read
Radioactive tracer logging
The radioactive tracer-logging tool has a reservoir to hold radioactive material and a pump section at the top. For injection-well…
petroleum formation evaluation 6 min read
Nuclear magnetic resonance (NMR) logging
Nuclear magnetic resonance (NMR) has been, and continues to be, widely used in chemistry, physics, and biomedicine and, more recently,…
petroleum formation evaluation 5 min read
Casing inspection logs
Casing failure can be caused by: · Deformation · Physical wear · Corrosion Preventing such failures is critical to maintaining well production. Casing…
petroleum formation evaluation 3 min read
Types of logs
Over time, many different types of logs have been developed to collect data about wellbores and subsurface formations. This article…
petroleum formation evaluation 2 min read
Fundamentals of production logging
Ideally we would like to measure radial inflow rates using a cheap and accurate sensor. Unfortunately no such sensor exists.…
petroleum formation evaluation 2 min read
Production logging
While most types of logs are used to characterize the wellbore, formation, and fluids prior to well completion, a number…
petroleum formation evaluation 2 min read
Petroleum Equipment
CNPC is a global supplier of equipment and products for exploration, well drilling, well completion, acidizing fracturing, pipeline construction, surface…
petroleum formation evaluation 3 min read
Radioactive Waste Material From Oil and Gas Drilling
Rocks in and around certain oil- and gas-bearing formations may contain natural radioactivity. Drilling through these rocks or bringing them…
petroleum formation evaluation 2 min read
Disadvantages of Petroleum
1. Petroleum is a limited resource Like all the other fossil fuels, petroleum represents a limited resource. Being used to…
