Kick Penetration For Stripping Operation

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Kick penetration is one of the most critical concerns for stripping operation because a kick height will change due to change of hole geometry. In this this article, we will describe about this situation.

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This is will be happened when the string penetrates the kick.Height of influx will increase when the drillstring penetrates a kick; therefore, hydrostatic pressure decreases and casing pressure increases in order to compensate this situation.

If the casing is maintained constant while penetrating the kick, you will have high chance to take more influx because of underbalance situation (Figure 1). This article will teach you about how to determine pressure increment while penetrating into the kick, what to look for, etc. Continue reading →

Offshore Deepwater Drilling and Completion in 5 Minutes

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This is excellent oilfield footage about the overall process of offshore deepwater drilling and completion. It has about 5 minutes with good animation that will give you clearer picture of how the deepwater operation works from the beginning.

We also add VDO transcription for anybody who cannot catch all the content of the VDO. Continue reading →

Shallow Gas Hazard in Well Control – Sedco 700 Shallow Gas Incident

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Shallow gas is one of the most dangerous incidents in well control because you don’t have the BOP set to be able to control the well. Additionally, shallow gas always happens at the shallow depth as surface hole section where you will have a difficulty to control the well. This footage below show you how serious of the shallow gas in an offshore environment.

Sedco 700 Shallow Gas Blow Out 6 June 2009

Additional details about shallow hazards that you need to know.

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Pressure Drop through Surface Equipment

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Pressure drop through surface equipment is one of the components in drilling hydraulics that must be considered. When we talk about surface equipment, we usually refer to those following equipment as a stand pipe, surface hoses, a swivel, a gooseneck and a Kelly.

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Surface equipment on the rig – more detail here http://en.wikipedia.org/wiki/List_of_components_of_oil_drilling_rigs Continue reading →