What is tongs in drilling rig?
Rig tongs are large self-locking wrenches that are used to spin pipe and in some cases apply the final makeup torque. There are a variety of rig tongs available dependent on what application they’ll be used for. Some examples are: chisel tongs, casing tongs, power tongs, rotary tongs and manual tongs.
How much do oil rig tongs weigh?
Its handle and handguard protect hammer blows from falling onto the grip. Straight tong die drivers are lightweight—under eight pounds—and measure in at around 1”.
How is rig Tong length measured?
Handle lengths are measured from the center of the tong to the end of the handle. If this measurement is in inches, it will need to be converted to feet in order to find max torque.
What is a tong die?
While running in or pulling out tubulars at oil rigs the joints (tool joints) are tightened or loosened with the help of manual tongs or power tongs. Dies are the principal element in the Manual Tongs and Power Tongs which carry out the job of gripping the tool joints, before torque application.
What is the uses of Tong?
Tongs are the tool that you use to grip something and lift it. They are usually jointed near the handle, with two grippers at the other end, so that you can one-handedly grasp objects. You might use tongs to move something hot, like food or burning logs, or to serve food such as salad, sugar cubes, or noodles.
What is the most common injury on a rig site?
However, the most common injury was amputation, primarily caused by fingers getting caught in machinery. Fractures were the second most common injury. Legs were the body part most commonly fractured.
What are Tong dies made of?
Many types of rig tongs can also be fitted with dies, which provide a specialized surface on the interior of the eye. They are typically made from extremely durable materials, like alloy steel, designed to resist corrosion and damage.
What is make up torque?
The rotational force used to make up a connection in the string. Drill pipe failure may occur when the make-up torque of a connection is exceeded.
What is a tong operator?
You are a member of the oilfield services team, so you have others to help you do some of the heavy lifting. They help latch the elevators into the casing, pull and replace the slips, and fill the inside of the pipe with drilling fluids and muds.
Is tong a baking tool?
Tongs that are larger in size are generally used for placing or removing foods when grilling, stove top cooking or oven baking where the longer length keeps hands away from heat and the size allows easier grasping of items. …
Which is correct tong or tongs?
is that tongs is ((tong)) an instrument or tool used for picking things up without touching them with the hands or fingers, consisting of two slats or grips hinged at the end or in the middle, and sometimes including a spring to open the grips or tongs can be (tong) while tong is an instrument or tool used for …
How many people died in oil rigs?
Offshore oil and gas rig accident statistics According to the BSEE, there were 6 fatalities and 222 injuries in 2019 on offshore oil rigs. Such figures are the most since 2010 when in that year alone there were 12 fatalities and 220 injuries.
How do you measure torque on a Tong?
The torque being applied can be determined by multiplying the gauge reading by the foot length of the tong handle. A large variety of systems (with up to 30,000 pounds of single line pull) are available in English, Metric, or dual scale systems. All Crown Tong Line Pull Tong Torque Systems are built to meet or exceed API specifcations.
What are rig tongs used for?
Think of a big, self-locking wrench and you’ll start to see what rig tongs are used for. They spin pipe up and, in some instances, apply the final makeup torque. Power tongs are essentially large pneumatically or hydraulically operated rig tongs used for turning when making up or breaking out drill pipe, casing, tubing, or other pipe.
What is the difference between a Tong line pull gauge and torque?
A tong line pull gauge measures true force (force/pounds), so what you see on the gauge is exactly what’s being applied to the pipe. Basically, it’s the what-you-see-is-what-you-get gauge. A tong torque gauge, on the other hand, measures the force that is being applied to the load cell and reads this force in foot/pounds.
What does a power tong do on a pipe?
They spin pipe up and, in some instances, apply the final makeup torque. Power tongs are essentially large pneumatically or hydraulically operated rig tongs used for turning when making up or breaking out drill pipe, casing, tubing, or other pipe.