Drill Collar Specifications - Drilling Manual
WEBGenerally, drill collars are identified by the following parameters: Size (OD) ID. Nominal WT. Connection (Thread) Length. Drill Collar Sizes. The hole size and bit program will determine the best drill collar size, but the collars selected usually have the largest OD and maximum permissible wall thickness that can be safely run in the hole.
Drill Collar Spec Sheets | Workstrings International
WEBDrill Collar Availablility and Description. Open PDF OD (in) Connection Collar ID (in) Adjusted Weight (lb/ft) MUT Min (ft-lbs)
Determine collar elevation and target depth - Seequent
WEBCopy across the X,Y, and Z values from the Planned_Collar_RL.csv into the drill planning template. Name the drillholes with a unique hole ID (if not already named). Add Azimuth and Dip information as well as Lift Rate, Drift Rate, and …
Drill Collar - Drilling Equipment - Rig Worker
WEBJan 31, 2024 · Square drill collars are used to increase the stiffness of the drill string and are used mainly for drilling in crooked hole areas. Square drill collars are rarely used. Spiral drill collars are used for drilling formations in which the differential pressure can cause sticking of drill collars.
WEBThe standard non-mag drill collar is 31’ and IDs range from 1 1/4” – 4”. For corrosive resistance shot peening is available, and for OD or ID protection, hard-banding can be applied. Collars are machined on one of Drilling Tools’ manual or CNC machines with premium cutting tools. Drill Collar API connections are regularly inspected during
What is a Drill Collar? - Petro Shine
WEBDrill collars are available in both API and non-API sizes. Length ranges for API collars are Range 2 (30, 31 ft) and Range 3 (42, 43 1/2ft). Below is listed a range of drill collar outside diameters and bores.
Drill Collar Sizes & Make up torque Tables & Charts
WEBJul 7, 2023 · This article about Drill Collar Size, make up torque tables & how to select Drill Collar diameter and lengths in the drill string design.
WEBThe DRILCO drill collar stands out as not just the most prevalent component within the Bottom Hole Assembly (BHA), but also as the most crucial for its overall eficiency. The meticulous attention given to material selection, heat treatment, machining, and inspection underscores why DRILCO drill collars consistently outperform others.
Drill Collars - Drilling Tools Products
WEBUsed to add weight to the bit and stiffness to bottom hole assembly, our Drill Collars are an invaluable downhole tool. To keep you drilling in the right direction, run our Drill Collars in combination with our Stabilizers to resist bucking.
What Is Drill Collar In Oil & Gas Industry - Drilling Manual
WEBA Drill Collar (DC) is a heavy, thick-walled steel tube with threaded connections cut (NB not welded) on both ends that we use in oilfield drilling rigs. They are designed to withstand downhole conditions while under compression and tension.