BOP Accumulator Requirements & Inspections

The system used for closing the BOP’s is a high-pressure hydraulic fluid accumulator unit. Hydraulic fluid is stored under pressure, the pressure being provided by stored nitrogen. When hydraulic oil is forced into the accumulator by a small volume, high-pressure pump, the nitrogen is compressed, storing potential energy. When the BOP’s are activated the pressured …

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BOP Control System Components & Recommendations

A Blowout Preventer (BOP) Control System as one of the drilling rig components, is a high-pressure hydraulic power unit fitted with directional control valves to safely control well kicks and prevent blowouts during drilling operations. A typical system offers a wide variety of equipment to meet the customer’s specific operational and economic criteria. The following …

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Well Control Problems & Solution While Operations

Always Be Prepared for Complications & Problems During Well Control Operations Note: If a problem develops while killing a well, “NOTE and RECORD” the drill pipe and casing pressure, stop the pump, shut in the well, and then, evaluate the situation. Well-controlling pressure is provided by using the horsepower of the mud pumps and the …

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Bullheading In Drilling Oil & Gas Wells Full Guide

Bullheading is a technique that may be used in certain circumstances during drilling operations to pump an influx back into the formation. In other words, it is a term to denote pumping into a closed-in well without returns. A major concern with this technique is that it may result in fracturing any exposed formation. Bullheading …

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Trip Tank in Drilling Applications & Tips

We usually use a calibrated trip tank in drilling to measure mud volumes accurately and change mud volumes while tripping. It must be available on all rigs & must have a level indicator easily readable from the driller’s position. Such an indicator must be accurate to within one-half barrel volume. It is unsafe to trip …

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Flow Check | What, When, How-To & Recommendations

Unexplained changes in the readings on the Flow Show and PVT recorders should be investigated promptly. This usually takes the form of a flow check. In other words, They are implemented to guarantee that the well is stable. it should be carried out with the mud pumps off to check the well with Drilling ECD …

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Choke Manifold Full Guide & IADC Recommendations

The choke manifold is an arrangement of valves, fittings, lines, and chokes that provide several flow routes to control the flow of mud, gas, and oil from the annulus during a kick ( Kick warning signs – Causes of kick in drilling). Here you shall learn choke manifold parts, function & IADC recommendations in drilling. …

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Inside BOP (IBOP), Kelly Valves Full Guide

The Inside BOP (IBOP) as gray valve is a back-pressure type valve (or float valve) that allows stripping operation using drilling kelly / top drive or running drill pipe into the hole without mudflow upward through the valve. It can be stabbed and made up on the drill pipe only at very low flow rates. …

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Annular BOP Preventer | Hydril, Shaffer & Cameron Guide

The annular preventer (also called bag type, spherical, or universal preventer) is the most versatile piece of equipment on the BOP stack since it can close around the casing, drill pipe, drill collars, wireline, and even close an open hole. The rubber packing elements of the annular preventers, which allow this flexibility, are also subject …

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