Category: 1. Drilling & Completion

When a well drilling reaches  the target depth or TD (total depth) and  the production casing has been cemented well, the production casing is usually…

The following is the figures of research activities in oil and gas industry for the year of 2013: Schlumberger receives the highest number of granted…

Completing a well to being a normal well or smart well is choices based on economic evaluation. More oil and gas companies complete their offshore…

Generally, shale and carbonate reservoirs have low permeability or low ability to flow fluids and are naturally fractured oil and gas formation. Core analysis and…

Compared to previous year, granted patent in 2012 for 6 major service, oil and gas companies increase 9%. Schlumberger Technology Corporation (Sugar Land, TX) was…

After oil companies have drilled an exploration well, a delineation well will be drilled to conclude the gas and oil reserves. To bypass the mud…

Whether fracturing a formation or not must be answered before further steps acquired. A comprehensive evaluation of the formation and fluid characteristics is important. Skin…

Oil and gas companies always intend to produce hydrocarbon and avoid producing  water. Controlling the rate is one way avoiding early water breakthrough. Drilling horizontal…

One of the reasons for cementing casing is to isolate zones.  After evaluating available data, there are two target zones (upper and lower zones), and…

Sometimes, a new perforated well can not deliver fluid at a certain rate which is predicted by correlating to other wells on the same horizon….