Downhole Tools & Bits
Everything below the rotary table has a job, from the drill pipe to the collars, stabilizers, jars, reamers and the bit itself. Get the bottomhole assembly right and the well drills smoothly.
These articles explain what each downhole tool does, where it goes in the string, and how the different bit types are chosen for the rock.
Start Here
What Are Downhole Tools? – Types and What Each One Does
What are downhole tools? Learn the main types, from bits and stabilizers to mud motors, jars, MWD and fishing tools, and exactly what each one does in a well.
Drill Bit Types – Roller Cone, PDC and Diamond Bits Compared
Drill bit types compared: roller cone, PDC, diamond and hybrid oil well drill bits. How each cuts rock, where it works best and how to read IADC bit codes.
All Downhole Tools & Bits Articles
Drilling Jars – How Hydraulic and Mechanical Jars Work
Bottomhole Assembly Design – How Drillers Build a BHA
What Is a PDC Bit?
Drill Collars – What They Do in the Drill String
Drill String Stabilizers – Types and Placement
Drill String Components – Pipe, Collars, HWDP and the BHA
Heavyweight Drill Pipe – What HWDP Is Used For
How Does a Tricone Bit Work?
Crossover, Float and Shock Subs – What Each Sub Does
