Rig Operation
Drilling Fluids
General Questions
Petroleum Basics
100

This vertical steel structure is used to support the crown block and the drillstring.

derrick (or mast)

100

One of the primary functions of drilling fluid is to do this to the drill bit during operation

cooling and lubricating

100

...uses when natural flow of the oil and  gas stops 

Artifitial Lifting

100

These are the two chemical elements that make up 100% of a pure hydrocarbon molecule

Hydrogen and Carbon

200

The modern mechanical device used to rotate the drill string from the top, replacing the older "Kelly" system

Top Drive

200

This property of mud, often measured in ppg (pounds per gallon)

Mud Density 

200

......is a well drilled specifically to intersect a blowing or out-of-control well (wild well) underground. Its sole purpose is to pump heavy fluids (kill fluid) directly into the original wellbore to permanently kill the blowout and bring it under control.

Relief well

200

Benzene is composed of how many Carbon molecules

6+

300

These extremely heavy, thick-walled pipes are placed at the bottom of the drill string to provide the necessary "Weight on Bit" (WOB) to break the rock

Drill collars

300

Till four functions for drilling fluids 

Weight , operating DH equipment , Removing cuttings , control well bore stability 

300

On land, this sensitive instrument is placed on the ground to detect seismic vibrations

Geophone

300

What is Permeability

This property measures the ability of a rock to allow fluids to flow through its connected pores

400

This small hole in the rig floor is used to store the next joint of drill pipe so it can be quickly attached to the drill string

Mouse Hole

400

filter cake is the layer of solids deposited on the borehole wall by the mud , it must be .... and .....

thin, low-permeability

400

In offshore exploration, these devices are towed behind ships to detect sound reflections in the water

Hydrophones

400

This property defines the percentage of void space within a rock where oil can be stored.

Porosity

500

What are the primary and secondary barriers in drilling fluids 

Drilling fluids and BOP

500

Viscosity measured by March funnel is counted in which unit ? 

Sec/Quart

500

A rock layer that is impermeable and prevents hydrocarbons from leaking to the surface.

Cap Rock

500

The process of heating and producing the oil and gas products 

Refining