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A variant of the Volumetric Method, Lubricate and Bleed is employed in situations where the kick is trapped by closed BOPs. It involves injecting mud incrementally and bleeding pressures to maintain control.

The Static Kill method is used to control a well after a blowout has been capped. Mud is pumped into the well at a pressure and rate sufficient to overcome the inflow, but without initiating circulation.

The Dynamic Kill technique involves outpacing the influx with higher pump rates and adequate mud weight to regain control of the wellbore.

The Driller's Method is used to control a well when a kick is detected. This two-stage method first circulates the kick out with the original mud, and then changes to a heavier mud to prevent further influx.

Used when normal circulation is not possible, the Volumetric Method controls a well by maintaining bottom hole pressure while allowing the well to flow in a controlled manner.

A more accurate but time-consuming method as compared to the Driller's, the Wait and Weight Method involves calculating and mixing a kill weight mud before circulation, resulting in a single circulation to control the well.

Bullheading is a technique where fluid is forcefully pumped into the well to push the influx back into the reservoir, possibly overcoming formation pressure.

By estimating the pressure of the formation fluids, pore pressure prediction helps to select proper mud weights and prevent kicks.

An FIT tests the pressure that a formation can withstand without breaking down and is crucial for well design and determining safe drilling margins.

Regular testing of BOP systems ensures their reliability in sealing the wellbore in emergency situations, preventing blowouts.

This test measures the strength of the formation and is used to determine the maximum allowable mud weight to prevent fracturing the formation.

The trip tank is a small tank with precise volume measurement used during well control operations to monitor the fluid level in the wellbore when tripping.

This advanced method uses a dual gradient mud system to maintain well control, which provides better control of bottom hole pressures by using two fluids of different densities.

In the event of detecting shallow gas or an imminent blowout, diverting the flow aims to redirect hazardous fluids away from the rig to a safe location.

A crucial part of well planning, wellbore stability analysis helps predict and manage issues like caving or collapse that could lead to loss of well control.

MPD is a technique to precisely control bottom hole pressure throughout the drilling process, adapting to the well conditions to prevent uncontrolled wellbore influxes.

Circulating out of the hole refers to the process of circulating drilling fluids to clean the wellbore and remove any gas, fluid, or solids that may have entered, thus maintaining well control.

This involves monitoring signs of a well kick, such as changes in drilling parameters or mud flow rates, to ensure quick response and control measures.

Pressure coring is a method to obtain samples of subsurface formations while maintaining the in-situ pressure, which helps in understanding formation behavior for better well control.

In offshore drilling, heave compensation techniques mitigate the effect of sea swells on drill string and wellhead, maintaining control and mitigating risk of wellbore damage.

Choke and kill lines are used to circulate drilling fluid and control wellbore pressures. The choke line controls backpressure, while the kill line allows fluid injection.

UBD is a technique where the formation pressure is intentionally kept higher than the wellbore pressure to minimize formation damage and prevent kicks by allowing fluid to flow into the wellbore.

An RCD is a well control device that contains and diverts flowback while drilling, allowing for Managed Pressure Drilling techniques and safer drilling operations.

Kick tolerance is the maximum volume of gas that can be safely handled in the well without risking a blowout, and it informs decisions on mud weight and casing depth.